Chan/TF_DF.py

from datetime import timedelta
from pandas import DataFrame
from ChanEnum import Chan_FX_TYPE, Chan_KLINE_DIR, Chan_BI_DIR, Chan_SEG_DIR, Chan_ZS_DIR, Chan_BSP_DIR, Chan_BSP_TYPE, Chan_KLC_FX, Chan_PRICE_TREND, Chan_KLU_PATTERN, Chan_K_DIR, Chan_KLC_STATE
from ChanKLU import ChanKLU
from ChanKLC import ChanKLC
from ChanBI import ChanBI
from ChanSBI import ChanSBI
from ChanSEG import ChanSEG
from ChanZS import ChanZS, ChanZS_Big
from ChanBIZS import ChanBIZS
from ChanBSP import ChanBSP
import talib.abstract as ta
import pandas as pd
from technical.util import resample_to_interval
from decimal import Decimal
import numpy as np
from ChanMACD import ChanMACD

class TF_DF():
	def __init__(self, df=None, interval=0, timeframe=None):
		if df is not None:
			self.init_TF_DF(df, interval, timeframe)
	def init_TF_DF(self, df, interval, timeframe):
		self.timeframe = timeframe
		self.interval = interval
		# 检查 DataFrame 是否为空或没有 date 列
		if df is None or df.empty:
			raise ValueError(f"DataFrame for {timeframe} is empty. Please download data first.")
		if 'date' not in df.columns:
			raise ValueError(f"DataFrame for {timeframe} missing 'date' column. Columns: {df.columns.tolist()}")
		# interval=1 时不需要重采样
		if interval == 1:
			self.dataframe = df.copy()
		else:
			self.dataframe = resample_to_interval(df, interval)
		#print(self.timeframe, len(self.dataframe))
		self.dataframe = self.add_indicators(self.dataframe)
		self.klu_list = []
		self.klc_list = []
		self.bi_list = []
		self.zs_list = []
		self.bsp_list = []
		self.seg_list = []
		self.klc_fx_list = []
		self.klu_list = self.cal_kl_data(self.dataframe)
		self.klc_list = self.get_klc_list(self.klu_list)
		self.bi_list = self.cal_bi_list(self.klc_list)
		self.seg_list = self.get_seg_list(self.bi_list)
		self.zs_list = self.get_zs_list(self.bi_list, self.seg_list)
		self.big_zs_list = self.get_big_zs_list(self.zs_list)
		self.chanmacd = ChanMACD(self.klu_list)
		self.klu_list = self.chanmacd.cal_macd_state()
	
						
	def get_ema52(self, index=-1):
		if self.klu_list:
			ema52_value = self.klu_list[index].ema52
			# 处理NaN值
			if pd.isna(ema52_value) or ema52_value is None:
				return None
			return float(ema52_value)
		return None
	def get_ema24(self, index=-1):
		if self.klu_list:
			ema24_value = self.klu_list[index].ema24
			# 处理NaN值
			if pd.isna(ema24_value) or ema24_value is None:
				return None
			return float(ema24_value)
		return None
	def get_current_klc(self):
		if len(self.klc_list) > 0:
			return self.klc_list[-2]
		return None
	def add_indicators(self, df):
		fast = 26
		slow = 52
		period = 9
		macd = ta.MACD(df, fastperiod=fast, slowperiod=slow, signalperiod=period)
		bb365 = ta.BBANDS(df, timeperiod=365, nbdevup=3.0, nbdevdn=3.0, matype=0)
		bb120 = ta.BBANDS(df, timeperiod=120, nbdevup=3.0, nbdevdn=3.0, matype=0)
		bb30 = ta.BBANDS(df, timeperiod=41, nbdevup=2.3, nbdevdn=2.3, matype=0)
		bb302 = ta.BBANDS(df, timeperiod=41, nbdevup=2.0, nbdevdn=2.0, matype=0)
		bb30 = ta.BBANDS(df, timeperiod=20, nbdevup=2.0, nbdevdn=2.0, matype=0)
		bb302 = ta.BBANDS(df, timeperiod=20, nbdevup=2.0, nbdevdn=2.0, matype=0)
		bb2633 = ta.BBANDS(df, timeperiod=26, nbdevup=3.0, nbdevdn=3.0, matype=0)
		# 计算布林带中轨（移动平均线）
		bb30_middle = ta.SMA(df, timeperiod=90)
		
		# 手动计算布林带 %B 指标 (BBP)
		# %B = (Price - Lower Band) / (Upper Band - Lower Band)
		bbp365 = (df['close'] - bb365['lowerband']) / (bb365['upperband'] - bb365['lowerband'])
		bbp120 = (df['close'] - bb120['lowerband']) / (bb120['upperband'] - bb120['lowerband'])
		bbp30 = (df['close'] - bb30['lowerband']) / (bb30['upperband'] - bb30['lowerband'])
		bbp302 = (df['close'] - bb302['lowerband']) / (bb302['upperband'] - bb302['lowerband'])
		bbp2633 = (df['close'] - bb2633['lowerband']) / (bb2633['upperband'] - bb2633['lowerband'])
		df['bb2633upper'] = bb2633['upperband']
		df['bb2633lower'] = bb2633['lowerband']
		df['bbp2633'] = bbp2633
		df['bb2633middle'] = bb2633['middleband']
		df['atr'] = ta.ATR(df, timeperiod=14)
		df['bbup365'] = bb365['upperband']
		df['bblow365'] = bb365['lowerband']
		df['bbp365'] = bbp365
		df['bbup120'] = bb120['upperband']
		df['bblow120'] = bb120['lowerband']
		df['bbp120'] = bbp120
		df['bbup30'] = bb30['upperband']
		df['bblow30'] = bb30['lowerband']
		df['bbmiddle30'] = bb30_middle  # 添加bb30中轨
		df['bbp30'] = bbp30
		df['bbup302'] = bb302['upperband']
		df['bblow302'] = bb302['lowerband']
		df['bbp302'] = bbp302
		df['macd'] = macd['macd']
		df['macdsignal'] = macd['macdsignal']
		df['macdhist'] = macd['macdhist']
		df['ema5'] = ta.EMA(df, timeperiod=5)
		df['ema10'] = ta.EMA(df, timeperiod=10)
		df['ema24'] = ta.EMA(df, timeperiod=24)
		df['ema52'] = ta.EMA(df, timeperiod=52)
		df['ema104'] = ta.EMA(df, timeperiod=104)
		df['ema156'] = ta.EMA(df, timeperiod=156)
		df['ema208'] = ta.EMA(df, timeperiod=208)
		df['ema26'] = ta.EMA(df, timeperiod=26)
		df['ema13'] = ta.EMA(df, timeperiod=13)
		df['ema7'] = ta.EMA(df, timeperiod=7)
		df['rsi'] = ta.RSI(df, timeperiod=14)
		df['volume_ratio'] = self.cal_volume_ratio(df)
		return df
	def get_klu_state(self, dataframe):
		klc_list = self.get_klc_list(self.get_klu_list(dataframe))
		bi_list = self.cal_bi_list(klc_list)
		klu_state_list = []
		klc_index = 0
		for index in range(0, len(dataframe)):
			if klc_index == len(klc_list):
				klc_index = len(klc_list) - 1
			klc = klc_list[klc_index]
			if klc.end_klu and klc.end_klu.idx == index:
				if klc.klc_state == Chan_KLC_STATE.S10:
					klu_state_list.append("10")
					#print(klc.end_time, klc.klc_fx_type)
				elif klc.klc_state == Chan_KLC_STATE.S_10:
					klu_state_list.append("-10")
					#print(klc.end_time, klc.klc_fx_type)
				elif klc.klc_state == Chan_KLC_STATE.S11:
					klu_state_list.append("11")
					#print(klc.end_time, klc.klc_fx_type)
				elif klc.klc_state == Chan_KLC_STATE.S_11:
					klu_state_list.append("-11")
					#print(klc.end_time, klc.klc_fx_type)
				else:
					klu_state_list.append("00")
				klc_index += 1
			else:
				klu_state_list.append("00")
		print(klu_state_list[:20])
		return klu_state_list

	def get_bsp_state(self, dataframe):
		klu_list = self.get_klu_list(dataframe)
		klc_list = self.get_klc_list(klu_list)
		bi_list = self.cal_bi_list(klc_list)
		seg_list = self.get_seg_list(bi_list)
		bi_zs_list = self.cal_bi_zs(seg_list)
		bsp_list = self.find_all_bsp(bi_list, bi_zs_list)
		bsp_state_list = [0] * len(dataframe)
		klc_index = 0
		for index in range(0, len(dataframe)):
			if klc_index == len(klc_list):
				klc_index = len(klc_list) - 1
			klc = klc_list[klc_index]
			if klc.end_klu and klc.end_klu.idx == index:
				if klc.klc_fx_type == Chan_KLC_FX.TOP2:
					bi = klc.bi.pre
					if bi and bi.is_sure and bi.end_klc.bsp_type == Chan_BSP_TYPE.B3:
						# 第三类买点
						bsp_state_list[index] = -1
						#print(klc.end_time, "B3")
					else:
						bsp_state_list[index] = 0
				elif klc.klc_fx_type == Chan_KLC_FX.BOTTOM2:
					bi = klc.bi.pre
					if bi and bi.is_sure and bi.end_klc.bsp_type == Chan_BSP_TYPE.S3:
						# 第三类卖点
						bsp_state_list[index] = 1
						#print(klc.end_time, "S3")
					else:
						bsp_state_list[index] = 0
				klc_index += 1
			else:
				bsp_state_list[index] = 0
		return bsp_state_list
	def get_ema_state(self, dataframe):
		klu_list = self.get_klu_list(dataframe)
		klc_list = self.get_klc_list(klu_list)
		bi_list = self.cal_bi_list(klc_list)
		klu_state_list = []
		for klu in klu_list:
			if klu.near0_return == 1:
				klu_state_list.append("1")
			elif klu.near0_return == 9:
				klu_state_list.append("-1")
			elif klu.candle_dir == Chan_K_DIR.BULL:
				klu_state_list.append("2")
			elif klu.candle_dir == Chan_K_DIR.BEAR:
				klu_state_list.append("-2")
			else:
				klu_state_list.append("0")
		return klu_state_list
	def check_fx1(self, klc):
		if klc.pre and klc.next:
			if klc.high > klc.pre.high and klc.high > klc.next.high and klc.low > klc.pre.low and klc.low > klc.next.low:
				if klc.pre.pre and klc.next.next:
					if klc.high > klc.pre.pre.high and klc.high > klc.next.next.high:
						#if (klc.close > klc.ema52 or klc.next.close > klc.next.ema52) and klc.macd > 0:
						klc.set_fx(Chan_FX_TYPE.TOP)
						#print(klc.start_time, klc.end_time,klc.next.start_time, klc.next.end_time, klc.macd, klc.state, klc.fx, "TOP")
						return Chan_FX_TYPE.TOP
			elif klc.low < klc.pre.low and klc.low < klc.next.low and klc.high < klc.pre.high and klc.high < klc.next.high:
				#if (klc.close < klc.ema52 or klc.next.close < klc.next.ema52) and klc.macd < 0:
				if klc.pre.pre and klc.next.next:
					if klc.low < klc.pre.pre.low and klc.low < klc.next.next.low:
						klc.set_fx(Chan_FX_TYPE.BOTTOM)
						#print(klc.start_time, klc.end_time,klc.next.start_time, klc.next.end_time, klc.macd, klc.state, klc.fx, "BOTTOM")
						return Chan_FX_TYPE.BOTTOM
		return Chan_FX_TYPE.UNKNOWN
	def check_fx(self, klc):
		if klc.pre and klc.next:
			if klc.high > klc.pre.high and klc.high > klc.next.high and klc.low > klc.pre.low and klc.low > klc.next.low:
				#if (klc.close > klc.ema52 or klc.next.close > klc.next.ema52) and klc.macd > 0:
				klc.set_fx(Chan_FX_TYPE.TOP)
				#print(klc.start_time, klc.end_time,klc.next.start_time, klc.next.end_time, klc.macd, klc.state, klc.fx, "TOP")
				return Chan_FX_TYPE.TOP
			elif klc.low < klc.pre.low and klc.low < klc.next.low and klc.high < klc.pre.high and klc.high < klc.next.high:
				#if (klc.close < klc.ema52 or klc.next.close < klc.next.ema52) and klc.macd < 0:
				klc.set_fx(Chan_FX_TYPE.BOTTOM)
				#print(klc.start_time, klc.end_time,klc.next.start_time, klc.next.end_time, klc.macd, klc.state, klc.fx, "BOTTOM")
				return Chan_FX_TYPE.BOTTOM
		return Chan_FX_TYPE.UNKNOWN
	def check_fx2(self, klc):
		if klc.pre and klc.next:
			if klc.high > klc.pre.close and klc.close > klc.next.close and klc.close > klc.pre.close and klc.close > klc.next.close:
				#if (klc.close > klc.ema52 or klc.next.close > klc.next.ema52) and klc.macd > 0:
				klc.set_fx(Chan_FX_TYPE.TOP)
				#print(klc.start_time, klc.end_time,klc.next.start_time, klc.next.end_time, klc.macd, klc.state, klc.fx, "TOP")
				return Chan_FX_TYPE.TOP
			elif klc.low < klc.pre.close and klc.close < klc.next.close and klc.close < klc.pre.close and klc.close < klc.next.close:
				#if (klc.close < klc.ema52 or klc.next.close < klc.next.ema52) and klc.macd < 0:
				klc.set_fx(Chan_FX_TYPE.BOTTOM)
				#print(klc.start_time, klc.end_time,klc.next.start_time, klc.next.end_time, klc.macd, klc.state, klc.fx, "BOTTOM")
				return Chan_FX_TYPE.BOTTOM
		return Chan_FX_TYPE.UNKNOWN
	def check_fx_pattern(self, klc):
		klu_list = klc.pre.klu_list + klc.klu_list + klc.next.klu_list
		
		self.cal_klu_pattern(klu_list)
		p = ""
		for klu in klu_list:
			p += klu.to_string()
		#print(p)
	def cal_volume_ratio(self, dataframe, window=10):
		df = dataframe.copy()
		# 计算过去N根K线的平均成交量
		df['avg_volume'] = df['volume'].rolling(window=window).mean()
		# 计算量比
		df['volume_ratio'] = df['volume'] / df['avg_volume']
		# 填充缺失值（前N根K线）
		df['volume_ratio'] = df['volume_ratio'].fillna(1.0)
		return df['volume_ratio']
	def cal_trend(self, klc_list):
		"""
		基于价格与EMA24/EMA52的位置关系、以及MACD/Signal/Hist的方向，
		为每个KLC打上趋势标签：'UP' / 'DOWN' / 'FLAT'。
		仅设置 klc.trend，不影响其它字段。
		"""
		if not klc_list:
			return klc_list
		last_trend = Chan_PRICE_TREND.UNKNOWN
		# 趋势延续性：参考近 N 根已完成的KLC
		lookback_n = 5
		prev_klcs = []
		for klc in klc_list:
			price = getattr(klc, 'close', None)
			ema24 = getattr(klc, 'ema24', None)
			ema52 = getattr(klc, 'ema52', None)
			macd_raw = getattr(klc, 'macd', None)
			signal_raw = getattr(klc, 'signal', None)
			hist_raw = getattr(klc, 'macdhist', None)
			macd = macd_raw if macd_raw is not None else 0
			signal = signal_raw if signal_raw is not None else 0
			hist = hist_raw if hist_raw is not None else 0
			rsi = getattr(klc, 'rsi', None)
			macd_ready = macd_raw is not None and signal_raw is not None
			hist_ready = hist_raw is not None
			trend = Chan_PRICE_TREND.UNKNOWN
			score = 0
			try:
				# 有效性
				price_valid = price is not None and price != 0
				ema24_valid = ema24 is not None and ema24 != 0
				ema52_valid = ema52 is not None and ema52 != 0
				# 多因子投票
				
				# 1) 均线结构 + 价位
				if ema24_valid or ema52_valid:
					ma_votes = 0
					if ema24_valid and ema52_valid:
						ma_votes += 1 if ema24 > ema52 else -1
					if price_valid and ema24_valid:
						ma_votes += 1 if price > ema24 else 0
					if price_valid and ema52_valid:
						ma_votes += 1 if price > ema52 else -1
					# 限幅，避免相关因子重复计分
					score += max(-2, min(2, ma_votes))
				# 2) MACD结构
				if macd_ready:
					score += 1 if macd >= signal else -1
					if hist_ready and hist != 0:
						score += 1 if hist > 0 else -1
				# 3) 动量与均线差分斜率
				pre = getattr(klc, 'pre', None)
				pre_hist = getattr(pre, 'macdhist', None) if pre else None
				if pre:
					pre_close = getattr(pre, 'close', None)
					if price_valid and pre_close is not None:
						score += 1 if price >= pre_close else -1
					pre_ema24 = getattr(pre, 'ema24', None)
					pre_ema52 = getattr(pre, 'ema52', None)
					if ema24_valid and ema52_valid and pre_ema24 not in (None, 0) and pre_ema52 not in (None, 0):
						spread_now = ema24 - ema52
						spread_pre = pre_ema24 - pre_ema52
						score += 1 if spread_now >= spread_pre else -1
					# 3.1) MACD柱体动量趋势：考虑 macdhist 的斜率与过零
					if hist_ready and pre_hist is not None:
						# 柱体斜率：上升加分，下降减分
						if hist > pre_hist:
							score += 1
						elif hist < pre_hist:
							score -= 1
						# 过零加权：负转正更偏多，正转负更偏空
						if pre_hist < 0 and hist > 0:
							score += 1
						elif pre_hist > 0 and hist < 0:
							score -= 1
					# 3.2) EMA52 突破/跌破加权
					if ema52_valid and price_valid and pre_close is not None and pre_ema52 not in (None, 0):
						# 看多突破：从均线下方上破且动量配合
						if pre_close <= pre_ema52 and price > ema52 and (hist is None or pre_hist is None or hist >= pre_hist):
							score += 1
						# 看空跌破：从均线上方下破且动量配合
						if pre_close >= pre_ema52 and price < ema52 and (hist is None or pre_hist is None or hist <= pre_hist):
							score -= 1
				# 3.3) EMA52 支撑/阻力触碰（非强穿越）
				if ema52_valid and price_valid:
					low_v = getattr(klc, 'low', None)
					high_v = getattr(klc, 'high', None)
					if low_v is not None and high_v is not None and ema52 not in (None, 0):
						# 触碰容差（相对EMA52的0.15%）
						touch_tol = 0.0015
						# 作为支撑：收盘在上，最低靠近EMA52
						near_support_touch = (price > ema52) and (abs(low_v - ema52) / abs(ema52) <= touch_tol)
						# 作为阻力：收盘在下，最高靠近EMA52
						near_resistance_touch = (price < ema52) and (abs(high_v - ema52) / abs(ema52) <= touch_tol)
						if near_support_touch:
							# 若动量不弱，则更偏多
							score += 1 if (hist is None or pre_hist is None or hist >= pre_hist) else 0
						if near_resistance_touch:
							# 若动量不强，则更偏空
							score -= 1 if (hist is None or pre_hist is None or hist <= pre_hist) else 0
				# 3.4) 多次对 EMA52 的"拒绝"配合 MACD 逆向：易形成压/支并反向
				# 统计近窗口内的上/下拒绝次数：
				# - 上拒绝：价格位于 EMA52 下方，最高触及/越过 EMA52 但收盘仍在下方
				# - 下拒绝：价格位于 EMA52 上方，最低触及/跌破 EMA52 但收盘仍在上方
				recent_up_rejects = 0
				recent_down_rejects = 0
				if ema52_valid:
					window_rej = prev_klcs[-lookback_n:] if len(prev_klcs) > 0 else []
					rej_tol = 0.0015
					for wk in window_rej:
						wk_close = getattr(wk, 'close', None)
						wk_ema52 = getattr(wk, 'ema52', None)
						wk_high = getattr(wk, 'high', None)
						wk_low = getattr(wk, 'low', None)
						if wk_close is None or wk_ema52 in (None, 0):
							continue
						# 上拒绝（阻力）：下方多次试图上破但未站上
						if wk_close < wk_ema52 and wk_high is not None:
							if wk_high >= wk_ema52 or abs(wk_high - wk_ema52) / abs(wk_ema52) <= rej_tol:
								recent_up_rejects += 1
						# 下拒绝（支撑）：上方多次试图下破但未跌破
						if wk_close > wk_ema52 and wk_low is not None:
							if wk_low <= wk_ema52 or abs(wk_low - wk_ema52) / abs(wk_ema52) <= rej_tol:
								recent_down_rejects += 1
				# 定义 MACD 的方向偏好
				macd_bias_up = macd_ready and (macd >= signal) and (not hist_ready or pre_hist is None or hist >= pre_hist)
				macd_bias_down = macd_ready and (macd <= signal) and (not hist_ready or pre_hist is None or hist <= pre_hist)
				# 若多次上拒绝且 MACD 偏空，则更偏向下行；若多次下拒绝且 MACD 偏多，则更偏向上行
				if recent_up_rejects >= 2 and macd_bias_down:
					score -= 2
				if recent_down_rejects >= 2 and macd_bias_up:
					score += 2
				# 4) RSI 辅助
				if rsi is not None:
					if rsi >= 55:
						score += 1
					elif rsi <= 45:
						score -= 1
				# 5) 指标未就绪回退（EMA/MACD缺失时，用动量与RSI辅助，延续趋势）
				has_full_ind = ema24_valid and ema52_valid and not (macd == 0 and signal == 0 and hist == 0)
				if not has_full_ind:
					# 仅根据价动量/RSI做轻量判断，默认延续 last_trend，除非出现强反向
					strong_up = False
					strong_down = False
					pre = getattr(klc, 'pre', None)
					if pre:
						pre_close = getattr(pre, 'close', None)
						if price_valid and pre_close is not None:
							strong_up = (price >= pre_close)
							strong_down = (price < pre_close)
					if rsi is not None:
						if rsi >= 60:
							strong_up = True
						elif rsi <= 40:
							strong_down = True
					if last_trend == Chan_PRICE_TREND.UP and not strong_down:
						trend = Chan_PRICE_TREND.UP
					elif last_trend == Chan_PRICE_TREND.DOWN and not strong_up:
						trend = Chan_PRICE_TREND.DOWN
					else:
						trend = Chan_PRICE_TREND.UP if strong_up and not strong_down else (Chan_PRICE_TREND.DOWN if strong_down and not strong_up else Chan_PRICE_TREND.FLAT)
				else:
					# 6) 震荡过滤（仅当极近EMA52且MACD贴合时判作震荡）
					near_flat = False
					if price_valid and ema52_valid:
						near_ema52 = abs(price - ema52) / abs(ema52) <= 0.0005  # 0.05%
						if macd_ready:
							macd_scale = max(abs(macd), abs(signal), 1e-6)
							near_macd = abs(macd - signal) / macd_scale <= 0.05
						else:
							near_macd = False
						near_flat = near_ema52 and near_macd
					# 7) 动态阈值 + 趋势记忆（更强粘滞：趋势中容忍小幅反分）
					# 引入过去 N 根KLC 的趋势延续性来动态调整翻转阈值，并结合 EMA52 支撑/阻力触碰强化门槛
					force_flip_down = False
					force_flip_up = False
					if near_flat:
						trend = Chan_PRICE_TREND.FLAT
					else:
						# 计算过去窗口的趋势一致性
						window = prev_klcs[-lookback_n:] if len(prev_klcs) > 0 else []
						persist_up = 0
						persist_down = 0
						for wk in window:
							if getattr(wk, 'trend', None) == Chan_PRICE_TREND.UP:
								persist_up += 1
							elif getattr(wk, 'trend', None) == Chan_PRICE_TREND.DOWN:
								persist_down += 1
						persist_ratio_up = (persist_up / len(window)) if len(window) > 0 else 0
						persist_ratio_down = (persist_down / len(window)) if len(window) > 0 else 0
						# 基准阈值
						down_flip_threshold = -2
						up_flip_threshold = 2
						# 若最近多为UP，则从UP翻转需更强反向信号；同理对DOWN
						if last_trend == Chan_PRICE_TREND.UP and persist_ratio_up >= 0.6:
							down_flip_threshold = -3
						elif last_trend == Chan_PRICE_TREND.DOWN and persist_ratio_down >= 0.6:
							up_flip_threshold = 3
						# EMA52 触碰强化门槛：UP时若出现支撑触碰，下翻更难；DOWN时若出现阻力触碰，上翻更难
						if ema52_valid and price_valid:
							low_v = getattr(klc, 'low', None)
							high_v = getattr(klc, 'high', None)
							if low_v is not None and high_v is not None and ema52 not in (None, 0):
								touch_tol = 0.0015
								near_support_touch = (price > ema52) and (abs(low_v - ema52) / abs(ema52) <= touch_tol)
								near_resistance_touch = (price < ema52) and (abs(high_v - ema52) / abs(ema52) <= touch_tol)
								if last_trend == Chan_PRICE_TREND.UP and near_support_touch:
									# 强化维持UP：进一步降低向下翻转阈值
									down_flip_threshold = min(down_flip_threshold - 1, -3)
								if last_trend == Chan_PRICE_TREND.DOWN and near_resistance_touch:
									# 强化维持DOWN：进一步提高向上翻转阈值
									up_flip_threshold = max(up_flip_threshold + 1, 3)
						# 7.1) 复合拐头信号：MACD/Signal 同向拐头 + hist 连续减弱 + 多次未能越过 EMA52
						pre_macd = getattr(pre, 'macd', None) if pre else None
						pre_signal = getattr(pre, 'signal', None) if pre else None
						macd_slope = (macd - pre_macd) if (macd_ready and pre_macd is not None) else 0
						signal_slope = (signal - pre_signal) if (macd_ready and pre_signal is not None) else 0
						# hist 连续减弱（绝对值缩小）
						hist_seq = []
						for wk in prev_klcs[-2:]:
							val = getattr(wk, 'macdhist', None)
							if val is not None:
								hist_seq.append(val)
						if hist is not None:
							hist_seq.append(hist)
						weaken_steps = 0
						for i in range(1, len(hist_seq)):
							if abs(hist_seq[i]) < abs(hist_seq[i-1]):
								weaken_steps += 1
						# 近窗口对 EMA52 的"未能站上/跌破"统计（放宽窗口与条件）
						window_ema = prev_klcs[-4:] if len(prev_klcs) > 0 else []
						no_up_break = False
						no_down_break = False
						if ema52_valid:
							# 未能有效上破：最近若干根收盘大多数不在 EMA52 上方，且高点多次触及/接近
							cnt_touch_up = 0
							cnt_close_above = 0
							for wk in window_ema:
								wk_close = getattr(wk, 'close', None)
								wk_high = getattr(wk, 'high', None)
								wk_ema = getattr(wk, 'ema52', None)
								if wk_close is not None and wk_ema not in (None, 0):
									if wk_close > wk_ema:
										cnt_close_above += 1
									if wk_high is not None and (wk_high >= wk_ema or abs(wk_high - wk_ema) / abs(wk_ema) <= 0.0015):
										cnt_touch_up += 1
							no_up_break = (cnt_close_above <= 1 and cnt_touch_up >= 1 and price <= ema52)
							# 未能有效下破：最近若干根收盘大多数不在 EMA52 下方，且低点多次触及/接近
							cnt_touch_down = 0
							cnt_close_below = 0
							for wk in window_ema:
								wk_close = getattr(wk, 'close', None)
								wk_low = getattr(wk, 'low', None)
								wk_ema = getattr(wk, 'ema52', None)
								if wk_close is not None and wk_ema not in (None, 0):
									if wk_close < wk_ema:
										cnt_close_below += 1
									if wk_low is not None and (wk_low <= wk_ema or abs(wk_low - wk_ema) / abs(wk_ema) <= 0.0015):
										cnt_touch_down += 1
							no_down_break = (cnt_close_below <= 1 and cnt_touch_down >= 1 and price >= ema52)
						# 若当前为UP趋势，出现明显拐头+hist减弱+未能上破EMA52，则加速看空
						if last_trend == Chan_PRICE_TREND.UP and macd_slope < 0 and signal_slope < 0 and weaken_steps >= 1 and no_up_break and macd_bias_down:
							score -= 3
							down_flip_threshold = max(down_flip_threshold, 0)
							force_flip_down = True
						# 若当前为DOWN趋势，出现明显拐头+hist减弱+未能下破EMA52，则加速看多
						if last_trend == Chan_PRICE_TREND.DOWN and macd_slope > 0 and signal_slope > 0 and weaken_steps >= 1 and no_down_break and macd_bias_up:
							score += 3
							up_flip_threshold = min(up_flip_threshold, 0)
							force_flip_up = True
						# 多次对 EMA52 的拒绝配合 MACD 逆向：加速反向翻转（降低相反方向阈值）
						if recent_up_rejects >= 2 and macd_bias_down:
							# 从 UP 向 DOWN 的翻转更容易
							down_flip_threshold = max(down_flip_threshold, -1)
						if recent_down_rejects >= 2 and macd_bias_up:
							# 从 DOWN 向 UP 的翻转更容易
							up_flip_threshold = min(up_flip_threshold, 1)
						if force_flip_down:
							trend = Chan_PRICE_TREND.DOWN
						elif force_flip_up:
							trend = Chan_PRICE_TREND.UP
						elif last_trend == Chan_PRICE_TREND.UP:
							if score <= down_flip_threshold:
								trend = Chan_PRICE_TREND.DOWN
							else:
								trend = Chan_PRICE_TREND.UP
						elif last_trend == Chan_PRICE_TREND.DOWN:
							if score >= up_flip_threshold:
								trend = Chan_PRICE_TREND.UP
							else:
								trend = Chan_PRICE_TREND.DOWN
						else:
							# 初始无记忆时，降低进入门槛
							if score >= 1:
								trend = Chan_PRICE_TREND.UP
							elif score <= -1:
								trend = Chan_PRICE_TREND.DOWN
							else:
								trend = Chan_PRICE_TREND.FLAT
			except Exception:
				trend = Chan_PRICE_TREND.UNKNOWN
			# 写回趋势
			if klc.end_time is None:
				trend = Chan_PRICE_TREND.FLAT
			if hasattr(klc, 'set_trend'):
				klc.set_trend(trend)
			else:
				setattr(klc, 'trend', trend)
			last_trend = trend
			# 更新滑窗：仅向后看
			prev_klcs.append(klc)
			price_diff = klc.close - klc.pre.close if klc.pre else 0
			#if klc.index > len(klc_list) - 10:
				#print(klc.start_time, klc.end_time, klc.close, klc.ema24, klc.ema52, klc.macd, klc.signal, klc.macdhist, klc.trend, price_diff, score)
				#print(klc.start_time, klc.end_time, klc.trend, price_diff, score)
		return klc_list
	def cal_kl_data(self, dataframe:DataFrame):
		fields = "time,open,high,low,close,volume"
		klu_list = []
		last_klu = None
		for i in range(0, len(dataframe)):
			item = dataframe.iloc[i]
			date = item['date']
			o = item['open']
			h = item['high']
			l = item['low']
			c = item['close']
			v = item['volume']
			# time_obj = date.fromtimestamp(date)
			# date = date + timedelta(hours=8)
			time_str = date.strftime('%Y-%m-%d %H:%M:%S')
			item_data = [
				time_str,
				o,
				h,
				l,
				c,
				v
			]
			# klu =  KLU(self.create_item_dict(item_data, GetColumnNameFromFieldList(fields)))
			klu = ChanKLU(time_str, o, h, l, c, v)
			# print(klu.time, klu.open, klu.high, klu.low, klu.close, klu.volume)	
			klu.set_idx(i)
			klu_list.append(klu)
			if last_klu:
				last_klu.set_next(klu)
				klu.set_pre(last_klu)
			last_klu = klu
			if 'macd' in item:
				klu.set_indicators(item)
		return klu_list
	def get_bi_list(self, dataframe):
		bi_list = self.cal_bi_list(self.get_klc_list(dataframe))
		#bi_list = self.cal_bi_list_chanlun(self.get_klc_list(dataframe))
		return bi_list
	def get_kl_data(self, dataframe:DataFrame):
		return self.cal_kl_data(dataframe)
	def get_klc_list(self, klu_list):
		klc_list = []
		last_klu = None
		macd = ChanMACD(klu_list)
		klu_list = macd.cal_macd_state()
		ema_up_list = []
		ema_down_list = []
		ema_up_count = 0
		ema_down_count = 0
		last_klu = None
		for klu in klu_list:
			ema = klu.ema52
			last_ema = last_klu.ema52 if last_klu else 0
			if klu.close >= ema:
				ema_up_count += 1
			elif klu.close < ema:
				ema_down_count += 1
			if last_klu and last_klu.close >= last_ema and klu.close < ema:
				ema_up_list.append(ema_up_count)
				#print(last_klu.time, ema_up_count, "UP END")
				ema_up_count = 0
			elif last_klu and last_klu.close < last_ema and klu.close >= ema:
				ema_down_list.append(ema_down_count)
				#print(last_klu.time, ema_down_count, "DOWN END")
				ema_down_count = 0
			if len(klc_list) > 0:
				last_klc = klc_list[-1]
				if klu.exception:
					ddir = Chan_KLINE_DIR.DOWN
					if last_klc.high < klu.high:
						ddir = Chan_KLINE_DIR.UP
					klc = ChanKLC(klu, index=len(klc_list), ddir=ddir)
					klc.high = klu.close if klu.close > klu.open else klu.open
					klc.low = klu.open if klu.close > klu.open else klu.close
					klc_list.append(klc)
					last_klc.set_next(klc)
					klc.set_pre(last_klc)
					last_klc.set_end_klu(last_klu)
					klc.set_pre_fx()
					#print(klu.time, klu.high, klu.low, klu.close, klu.open, klu.exception)
				else:
					included = last_klc.check_klu_included(klu)
					if not included:
						ddir = Chan_KLINE_DIR.DOWN
						if last_klc.high < klu.high:
							ddir = Chan_KLINE_DIR.UP
						klc = ChanKLC(klu, index=len(klc_list), ddir=ddir)
						klc_list.append(klc)
						last_klc.set_next(klc)
						klc.set_pre(last_klc)
						last_klc.set_end_klu(last_klu)
						klc.set_pre_fx()
					else:
						last_klc.add_klu(klu)
			else:
				ddir = Chan_KLINE_DIR.UP
				if klu.open > klu.close:
					ddir = Chan_KLINE_DIR.DOWN     
				klc = ChanKLC(klu, 0, ddir)
				klc_list.append(klc)
			last_klu = klu
		klc_list = self.cal_trend(klc_list)
		#print(ema52_up_list, ema52_down_list)
		return klc_list

	def get_seg_list(self, bi_list):
		seg_list = []
		up_bi_list = []
		down_bi_list = []
		last_up_bi = None
		last_down_bi = None
		last_up_sbi = None
		last_down_sbi = None
		last_seg = None
		up_sbi_list = []
		down_sbi_list = []
		look_for_bottom = False
		look_for_top = False
		for bi in bi_list:
			#print(len(up_sbi_list), len(down_sbi_list))
			if len(seg_list) > 0:
				# Last seg is up
				if last_seg.dir == Chan_SEG_DIR.UP:
					if bi.dir == Chan_BI_DIR.DOWN:
						if len(down_sbi_list) > 1:
							# Check down sbi inclusion
							included = last_down_sbi.check_bi_included(bi)
							if not included:
								down_sbi = ChanSBI(bi, len(down_sbi_list), bi.dir)
								last_down_sbi.set_next(down_sbi)
								last_down_sbi.set_end_bi(last_down_bi)
								down_sbi.set_pre(last_down_sbi)
								down_sbi_list.append(down_sbi)
								fx = last_down_sbi.check_fx()
								# Found top
								if fx == Chan_FX_TYPE.TOP:
									if look_for_top:
										seg_list[-2].set_sure(bi)
										look_for_top = False
										#print(bi.start_time, look_for_top, "UP 1")
									# Has gap and search for bottom fx
									if last_down_sbi.has_fx_gap:
										look_for_bottom = True
										last_seg.pre_set_end_bi(bi_list[last_down_sbi.start_bi.index - 1])
										seg = ChanSEG(last_down_sbi.start_bi, len(seg_list), Chan_SEG_DIR.DOWN, bi)
										seg_list.append(seg)
										last_seg.set_next(seg)
										seg.set_pre(last_seg)
										last_seg = seg
										up_sbi_list = []
										last_up_sbi = ChanSBI(last_up_bi, len(up_sbi_list), last_up_bi.dir)
										up_sbi_list.append(last_up_sbi)
										#up_sbi_list.append(last_up_sbi)
										#print(last_up_bi.start_time, last_up_sbi.start_bi.start_time, "Reset up sbi list 1")
										#print(bi.start_time, look_for_top, "UP 2")
									# No gap end SEG
									else:
										if look_for_bottom:
											look_for_bottom = False
											last_seg.set_start_bi(last_down_sbi.start_bi)
											seg_list[-2].set_end_bi(bi_list[last_down_sbi.start_bi.index - 1], bi)
											up_sbi_list = []
											last_up_sbi = ChanSBI(last_up_bi, len(up_sbi_list), last_up_bi.dir)
											up_sbi_list.append(last_up_sbi)
											last_seg.add_bi(bi)
											#up_sbi_list.append(last_up_sbi)
											#print(last_up_bi.start_time, last_up_sbi.start_bi.start_time, "Reset up sbi list 2")
											#print(bi.start_time, look_for_top, "UP 3")
										else:
											last_seg.set_end_bi(bi_list[last_down_sbi.start_bi.index - 1], bi)
											seg = ChanSEG(last_down_sbi.start_bi, len(seg_list), Chan_SEG_DIR.DOWN, bi)
											seg_list.append(seg)
											last_seg.set_next(seg)
											seg.set_pre(last_seg)
											last_seg = seg
											#print(last_down_sbi.end_bi.start_time, "Normal UP SEG", last_up_sbi.start_bi.start_time, bi.start_time)
											#l_up_sbi = up_sbi_list[-1]
											up_sbi_list = []
											last_up_sbi = ChanSBI(last_up_bi, len(up_sbi_list), last_up_bi.dir)
											up_sbi_list.append(last_up_sbi)
											#up_sbi_list.append(last_up_sbi)
											#print(last_up_bi.start_time, last_up_sbi.start_bi.start_time, "Reset up sbi list 3")
								last_down_sbi = down_sbi
							last_seg.add_bi(bi)
						else:
							if len(down_sbi_list) == 1:
								included = last_down_sbi.check_bi_included(bi)
								if not included:
									down_sbi = ChanSBI(bi, len(down_sbi_list), bi.dir)
									last_down_sbi.set_next(down_sbi)
									last_down_sbi.set_end_bi(last_down_bi)
									down_sbi.set_pre(last_down_sbi)
									down_sbi_list.append(down_sbi)
									last_down_sbi = down_sbi
									#print(bi.start_time, look_for_top, "UP 4")
								last_seg.add_bi(bi)
									
							else:
								last_down_sbi = ChanSBI(bi, len(down_sbi_list), bi.dir)
								down_sbi_list.append(last_down_sbi)
								last_seg.add_bi(bi)
								#print(bi.start_time, look_for_top, "UP 5")
					else:
						if last_up_sbi:
							included = last_up_sbi.check_bi_included(bi)
							if not included:
								up_sbi = ChanSBI(bi, len(up_sbi_list), bi.dir)
								last_up_sbi.set_next(up_sbi)
								last_up_sbi.set_end_bi(last_up_bi)
								up_sbi.set_pre(last_up_sbi)
								up_sbi_list.append(up_sbi)
								last_up_sbi = up_sbi
								#print(bi.start_time, look_for_top, "UP 6")
							last_seg.add_bi(bi)
								
				# Last seg is down
				else:
					if bi.dir == Chan_BI_DIR.UP:
						if len(up_sbi_list) > 1:
							# Check down sbi inclusion
							included = last_up_sbi.check_bi_included(bi)
							if not included:
								up_sbi = ChanSBI(bi, len(up_sbi_list), bi.dir)
								last_up_sbi.set_next(up_sbi)
								last_up_sbi.set_end_bi(last_up_bi)
								up_sbi.set_pre(last_up_sbi)
								up_sbi_list.append(up_sbi)
								fx = last_up_sbi.check_fx()
								# Found bottom
								if fx == Chan_FX_TYPE.BOTTOM:
									if look_for_bottom:
										seg_list[-2].set_sure(bi)
										look_for_bottom = False
										#print(bi.start_time, look_for_top, "DOWN 1")
									# Has gap and search for bottom fx
									if last_up_sbi.has_fx_gap:
										look_for_top = True
										last_seg.pre_set_end_bi(bi_list[last_up_sbi.start_bi.index - 1])
										seg = ChanSEG(last_up_sbi.start_bi, len(seg_list), Chan_SEG_DIR.UP, bi)
										seg_list.append(seg)
										last_seg.set_next(seg)
										seg.set_pre(last_seg)
										last_seg = seg
										down_sbi_list = []
										last_down_sbi = ChanSBI(last_down_bi, len(down_sbi_list), last_down_bi.dir)
										down_sbi_list.append(last_down_sbi)
										#down_sbi_list.append(last_down_sbi)
										#print(last_down_bi.start_time, last_down_sbi.start_bi.start_time, "Reset down sbi list 1")
										#print(bi.start_time, look_for_top, "DOWN 2")
									# No gap end SEG
									else:
										if look_for_top:
											look_for_top = False
											last_seg.set_start_bi(last_up_sbi.start_bi)
											seg_list[-2].set_end_bi(bi_list[last_up_sbi.start_bi.index - 1], bi)
											down_sbi_list = []
											last_down_sbi = ChanSBI(last_down_bi, len(down_sbi_list), last_down_bi.dir)
											down_sbi_list.append(last_down_sbi)
											last_seg.add_bi(bi)
											#down_sbi_list.append(last_down_sbi)
											#print(last_down_bi.start_time, last_down_sbi.start_bi.start_time, "Reset down sbi list 2")
											#print(bi.start_time, look_for_top, "DOWN 3")
										else:
											last_seg.set_end_bi(bi_list[last_up_sbi.start_bi.index - 1], bi)
											seg = ChanSEG(last_up_sbi.start_bi, len(seg_list), Chan_SEG_DIR.UP, bi)
											#print(last_up_sbi.start_bi.start_time)
											last_seg.set_next(seg)
											seg.set_pre(last_seg)
											seg_list.append(seg)
											last_seg = seg
											#print(last_up_sbi.end_bi.start_time, "Normal DOWN SEG", last_down_sbi.start_bi.start_time, bi.start_time)
											down_sbi_list = []
											last_down_sbi = ChanSBI(last_down_bi, len(down_sbi_list), last_down_bi.dir)
											down_sbi_list.append(last_down_sbi)
											#down_sbi_list.append(last_down_sbi)
											#print(last_down_bi.start_time, last_down_sbi.start_bi.start_time, "Reset down sbi list 3")
								last_up_sbi = up_sbi
							last_seg.add_bi(bi)	
						else:
							if len(up_sbi_list) == 1:
								#last_up_sbi = up_sbi_list[-1]
								included = last_up_sbi.check_bi_included(bi)
								if not included:
									up_sbi = ChanSBI(bi, len(up_sbi_list), bi.dir)
									last_up_sbi.set_next(up_sbi)
									last_up_sbi.set_end_bi(last_up_bi)
									up_sbi.set_pre(last_up_sbi)
									up_sbi_list.append(up_sbi)
									last_up_sbi = up_sbi
								last_seg.add_bi(bi)
									#print(bi.start_time, look_for_top, "DOWN 4")
							else:
								last_up_sbi = ChanSBI(bi, len(up_sbi_list), bi.dir)
								up_sbi_list.append(last_up_sbi)
								last_seg.add_bi(bi)
								#print(bi.start_time, look_for_top, "DOWN 5")
					else:
						if last_down_sbi:
							included = last_down_sbi.check_bi_included(bi)
							if not included:
								down_sbi = ChanSBI(bi, len(down_sbi_list), bi.dir)
								last_down_sbi.set_next(down_sbi)
								last_down_sbi.set_end_bi(last_down_bi)
								down_sbi.set_pre(last_down_sbi)
								down_sbi_list.append(down_sbi)
								last_down_sbi = down_sbi
							last_seg.add_bi(bi)
								#print(bi.start_time, look_for_top, look_for_bottom, "DOWN 6")
			# len(seg_list) = 0
			else:
				if bi.check_overlap():
					if bi.dir == Chan_BI_DIR.UP:
						seg = ChanSEG(bi, len(seg_list), Chan_SEG_DIR.UP, bi)
						last_up_bi = bi
						last_up_sbi = ChanSBI(bi, len(up_sbi_list), bi.dir)
						seg_list.append(seg)
						last_seg = seg
						#print(bi.start_time, 'Create first UP SEG')
					else:
						seg = ChanSEG(bi, len(seg_list), Chan_SEG_DIR.DOWN, bi)
						last_down_bi = bi
						last_down_sbi = ChanSBI(bi, len(down_sbi_list), bi.dir)
						seg_list.append(seg)
						last_seg = seg
						#print(bi.start_time, 'Create first DOWN SEG')
			if bi.dir == Chan_BI_DIR.UP:
				last_up_bi = bi
				up_bi_list.append(bi)
			else:
				last_down_bi = bi
				down_bi_list.append(bi)
		"""
		if len(seg_list) > 1:
			seg = seg_list[-1]
			last_seg = seg_list[-2]
			last_seg_bi = last_seg.bi_list[-3]
			bi_index = seg.start_bi.index
			for i in range(bi_index, len(bi_list) - 1):
				# last seg is down
				if seg.dir == Chan_SEG_DIR.UP:
					if bi_list[i].dir == Chan_BI_DIR.UP:
						last_seg_peak = last_seg_bi.high
						if bi_list[i].high > last_seg_peak:
							# The confirmed
							print("Last UP seg is broken, create a new seg. 1")
							seg.pre_set_end_bi(bi_list[i])
							seg = ChanSEG(bi_list[i+1], len(seg_list), Chan_SEG_DIR.DOWN, bi)
							seg_list.append(seg)
							last_seg = seg_list[-2]
							if len(last_seg.bi_list) > 3:
								last_seg_bi = last_seg.bi_list[-3]

				else:
					if bi_list[i].dir == Chan_BI_DIR.DOWN:
						last_seg_peak = last_seg_bi.low
						if bi_list[i].low < last_seg_peak:
							print("Last DOWN seg is broken, create a new seg. 1")
							seg.pre_set_end_bi(bi_list[i])
							seg = ChanSEG(bi_list[i+1], len(seg_list), Chan_SEG_DIR.UP, bi)
							seg_list.append(seg)
							last_seg = seg_list[-2]
							if len(last_seg.bi_list) > 3:
								last_seg_bi = last_seg.bi_list[-3]
		else:
			if len(seg_list) == 1:
				last_seg = seg_list[-1]
				bi_index = last_seg.bi_list[0].index
				for i in range(bi_index, len(bi_list) - 1):
					if i > bi_index + 2:
						last_seg_peak = bi_list[i-2].high
						# last seg is down
						if last_seg.dir == Chan_SEG_DIR.DOWN:
							if bi_list[i].dir == Chan_BI_DIR.UP:
								if bi_list[i].high > last_seg_peak:
									print("Last seg is broken, create a new seg. 2")
									last_seg.pre_set_end_bi(bi_list[i-1])
									seg = ChanSEG(bi_list[i], len(seg_list), Chan_SEG_DIR.UP, bi)
									seg_list.append(seg)
									last_seg = seg
									last_seg_bi = bi_list[i]
									break
		"""
		#self.cal_bi_zs(seg_list)
		return seg_list
	def get_zs_state(self, df):
		bi_list = self.cal_bi_list(self.get_klc_list(self.get_kl_data(df)))
		seg_list = self.get_seg_list(bi_list)
		zs_list = self.calculate_zs(seg_list)
		for zs in zs_list:
			last_zs = zs
		return zs_list
	def cal_bi_list(self, klc_list):
		bi_list = []
		last_top = None
		last_bottom = None
		bi_klc_min = 4
		last_fx_klc = None
		for klc in klc_list:
			if last_fx_klc:
				klc.check_klc_state(last_fx_klc)
			klc.check_fx_confirmed(last_top, last_bottom)
			fx = self.check_fx(klc)
			if fx == Chan_FX_TYPE.TOP:
				if last_bottom:
					if self.check_top_fx(last_bottom, klc) == False:
						fx = Chan_FX_TYPE.UNKNOWN
			if fx == Chan_FX_TYPE.BOTTOM:
				if last_top:
					if self.check_bottom_fx(last_top, klc) == False:
						#print(klc.end_time, last_top.end_time, "---")
						fx = Chan_FX_TYPE.UNKNOWN
			# Do nothing
			if fx == Chan_FX_TYPE.UNKNOWN:
				if len(bi_list) > 0:
					bi_list[-1].add_klc(klc)
					klc.set_bi(bi_list[-1])
				#continue
				if len(bi_list) > 0 and klc.end_klu:
					last_bi = bi_list[-1]
					#print(klc.start_time, last_bi.start_time, last_bi.end_time, last_bi.dir, last_bi.high, last_bi.low, last_bottom.end_time,  "last bi")
					if last_top and last_bi.dir == Chan_BI_DIR.DOWN:
						if last_bottom and klc.high > last_bi.high:
							#print(klc.end_time, "Top 7, 1", last_bi.start_time, klc.high, last_bi.high)
							#klc.klc_fx_type = Chan_KLC_FX.TOP7
							#klc.fx = Chan_FX_TYPE.TOP
							"""
							last_bi.set_end_klc(last_bottom, klc)
							bi = ChanBI(last_bottom, len(bi_list), Chan_BI_DIR.UP)
							#klc.set_klc_fx_type(Chan_KLC_FX.BOTTOM7)
							#klc.bb_out = True
							last_bi.set_next(bi)
							bi.set_pre(last_bi)
							for klc_index in range(last_bi.end_klc.index, len(klc_list)):
								bi.add_klc(klc_list[klc_index])
							bi_list.append(bi)
							last_top = klc
							klc.set_bi(bi)
							#print(klc.start_time, bi.start_time, bi.end_time, bi.dir, bi.high, bi.low, bi.is_sure)
							"""
					else:
						if last_bottom and last_bi.dir == Chan_BI_DIR.UP:
							if last_top and klc.low < last_bi.low:
								#print(klc.end_time, "Bottom 8, 2", last_bi.start_time)
								#klc.klc_fx_type = Chan_KLC_FX.BOTTOM8
								#klc.fx = Chan_FX_TYPE.BOTTOM
								"""
								last_bi.set_end_klc(last_top, klc)
								bi = ChanBI(last_top, len(bi_list), Chan_BI_DIR.DOWN)
								#klc.set_klc_fx_type(Chan_KLC_FX.TOP6)
								#klc.bb_out = True
								last_bi.set_next(bi)
								bi.set_pre(last_bi)
								for klc_index in range(last_bi.end_klc.index, len(klc_list)):
									bi.add_klc(klc_list[klc_index])
								bi_list.append(bi)
								last_bottom = klc
								klc.set_bi(bi)
								#print(klc.start_time, bi.start_time, bi.end_time, bi.dir, bi.high, bi.low, bi.is_sure)
								"""
			else:
				last_fx_klc = klc
				if fx == Chan_FX_TYPE.TOP:
					#print(klc.end_time, fx, klc.pre.high, klc.high, klc.pre.start_time, klc.pre.end_time)
					if last_top:
						if last_bottom:
							#print(klc.start_time, last_bottom.start_time, last_top.start_time)
							if last_bottom.index < last_top.index:
								# Second top lower to be second sell point
								if last_top.high > klc.high:
									bi_list[-1].add_klc(klc)
									klc.set_bi(bi_list[-1])
									#klc.set_klc_fx_type(Chan_KLC_FX.TOP3)
									#print(klc.end_time, klc.fx, "二类卖点Sell 1")
								else:
									# A new top found
									#last_top.set_fx(Chan_FX_TYPE.UNKNOWN)
									last_top = klc
									#print(klc.start_time, klc.fx, bi_list[-1].dir, "Last Top Change 1")
									klc.set_klc_fx_type(Chan_KLC_FX.TOP1)
									self.check_fx_pattern(klc)
									#print(klc.end_time, klc.fx, "一类卖点Sell 1")
									bi_list[-1].add_klc(klc)
									klc.set_bi(bi_list[-1])
							# 不满足结合律的分型
							else:
								#klc.set_klc_fx_type(Chan_KLC_FX.TOP0)
								#print(klc.end_time, klc.klc_fx_type)
								if last_bottom.index + bi_klc_min > klc.index:
									if last_top.high > klc.high:
										#print(klc.start_time, klc.fx, "二类卖点Sell 1")
										#klc.set_klc_fx_type(Chan_KLC_FX.TOP8)
										bi_list[-1].add_klc(klc)
										klc.set_bi(bi_list[-1])
									# New TOP Found前面的UKNOWN可能出现TOP7，但是这里的也可能出现TOP8分型
									else:
										# 顶分型在出现2之前超过前一个笔的顶 TOP8
										if last_top.index + bi_klc_min < klc.index and len(bi_list) > 1:
											pre_last_bi = bi_list[-2]
											last_bi = bi_list[-1]
											if pre_last_bi.is_sure and not last_bi.is_sure and pre_last_bi.dir == Chan_BI_DIR.UP and False:
												pre_last_bi.update_bi(klc)
												bi_list.remove(last_bi)
												pre_last_bi.set_next(None)
												#last_top.set_fx(Chan_FX_TYPE.PTOP)
												last_top = klc
												last_bottom = pre_last_bi.start_klc
												#print(klc.start_time, klc.fx, bi_list[-1].dir, "Last Top Bottom Change 1")
												klc.set_klc_fx_type(Chan_KLC_FX.TOP2)
												#print(klc.start_time, last_bi.start_klc.start_time, "New TOP Found reset last bi")
												#klc.set_state("10")
												#print(klc.start_time, klc.fx, "笔卖点Sell 1")
											###klc.set_klc_fx_type(Chan_KLC_FX.TOP2) # when bi is down but the fx is top
											bi_list[-1].add_klc(klc)
											klc.set_bi(bi_list[-1])
											#klc.set_klc_fx_type(Chan_KLC_FX.TOP8)
											#print(klc.start_time, last_bi.start_klc.start_time, "New TOP Found reset last bi")
										else:
											#klc.set_fx(Chan_FX_TYPE.PTOP)
											bi_list[-1].add_klc(klc)
											klc.set_bi(bi_list[-1])
											#print(klc.end_time, klc.fx, "无效顶分型")
								# 满足结合律
								else:
									# New Temp TOP and last bottom confirmed ***** confirm last down bi(last bottom and last top)
									last_bi = bi_list[-1]
									if not last_bi.is_sure:
										last_bi.set_end_klc(last_bottom, klc)
									bi = ChanBI(last_bottom, len(bi_list), Chan_BI_DIR.UP)
									last_bi.set_next(bi)
									bi.set_pre(last_bi)
									bi.add_klc(klc)
									bi_list.append(bi)
									last_top = klc
									#print(klc.end_time, klc.fx, bi_list[-1].dir, "Last Top Change 2")
									klc.set_klc_fx_type(Chan_KLC_FX.TOP2)
									self.check_fx_pattern(klc)
									#bi_list[-1].add_klc(klc)
									klc.set_bi(bi_list[-1])
									#print(klc.start_time, last_bottom.start_time, "Normal TOP Found, Confirm down bi 4")
						# last bottom = None 初始化的时候用，其他时间不用
						else:
							# 初始化的时候用，其他时间不用
							if last_top.high < klc.high:
								last_bi = bi_list[-1]
								last_bi.set_start_klc(klc, Chan_BI_DIR.DOWN)
								last_top = klc
								#print(klc.start_time, klc.fx, bi_list[-1].dir, "Last Top Change 3")
								bi_list[-1].add_klc(klc)
								klc.set_bi(bi_list[-1])
							# 初始化的时候用，其他时间不用
							else:
								#klc.set_fx(Chan_FX_TYPE.TT)
								#print(klc.start_time, klc.fx, "二类卖点Sell 2")
								bi_list[-1].add_klc(klc)
								klc.set_bi(bi_list[-1])
					# last_top == None 初始化的时候用，其他时间不用
					else:
						if last_bottom:
							# 不满足结合律的分型
							if last_bottom.index + bi_klc_min > klc.index:
								#klc.set_fx(Chan_FX_TYPE.PTOP)
								bi_list[-1].add_klc(klc)
								klc.set_bi(bi_list[-1])
								#print(klc.start_time, klc.fx, "中枢卖点Sell 1")
							else:
								# First temp top and last bottom confirmed
								last_top = klc
								#print(klc.start_time, klc.fx, bi_list[-1].dir,  "Last Top Change 4")
								bi_list[-1].add_klc(klc)
								klc.set_bi(bi_list[-1])
						# Last top = None, last bottom = None, create first down bi 初始化的时候用，其他时间不用
						else:
							# First temp top
							last_top = klc
							bi = ChanBI(klc, len(bi_list), Chan_BI_DIR.DOWN)
							bi_list.append(bi)
							bi.add_klc(klc)
							klc.set_bi(bi_list[-1])
							#print(klc.start_time, klc.fx, bi_list[-1].dir, "Last Top Change 5")
				#klc.fx = Bottom ========================
				else:
					if last_bottom:
						if last_top:
							# Bottom after top and find a new bottom
							if last_top.index < last_bottom.index:
								# Second bottom uppper to be second buy point and confirm last bi
								if last_bottom.low < klc.low:
									bi_list[-1].add_klc(klc)
									klc.set_bi(bi_list[-1])
									#klc.set_klc_fx_type(Chan_KLC_FX.BOTTOM3)
									#print(last_bottom.start_time, last_bottom.end_time, "--------------------------------1")
									#print(klc.end_time, klc.fx, "二类买点Buy 1")
								else:
									# A new bottom found
									last_bottom = klc
									#print(klc.end_time, klc.fx, bi_list[-1].dir, "Last Bottom Change 1")
									klc.set_klc_fx_type(Chan_KLC_FX.BOTTOM1)
									self.check_fx_pattern(klc)
									#print(klc.end_time, klc.fx, "一类买点Buy 1")
									bi_list[-1].add_klc(klc)
									klc.set_bi(bi_list[-1])
							# 不满足结合律的分型
							else:
								#klc.set_klc_fx_type(Chan_KLC_FX.BOTTOM0)
								#print(klc.end_time, klc.klc_fx_type)
								if last_top.index + bi_klc_min > klc.index:
									if last_bottom.low < klc.low:
										#print(klc.end_time, klc.fx, "中枢买点Buy 1")
										bi_list[-1].add_klc(klc)
										klc.set_bi(bi_list[-1])
										#klc.set_klc_fx_type(Chan_KLC_FX.BOTTOM8)
									# Found new bottom没有意义，上面UNKNOWN的时候已经是笔破坏了
									else:
										#print(klc.end_time, last_bottom.end_time, "Found a new bottom")
										if last_bottom.index + bi_klc_min < klc.index and len(bi_list) > 1:
											pre_last_bi = bi_list[-2]
											last_bi = bi_list[-1]
											if pre_last_bi.is_sure and not last_bi.is_sure and pre_last_bi.dir == Chan_BI_DIR.DOWN and False: 
												pre_last_bi.update_bi(klc)
												bi_list.remove(last_bi)
												pre_last_bi.set_next(None)
												last_bottom = klc
												last_top = pre_last_bi.start_klc
												#print(klc.start_time, klc.fx, bi_list[-1].dir, "Last Top Bottom Change 2")
												klc.set_klc_fx_type(Chan_KLC_FX.BOTTOM2)
												#print(klc.start_time, last_bi.start_klc.start_time, "New BOTTOM Found reset last bi")
												#print(klc.start_time, klc.fx, "笔买点Buy 1")
											###klc.set_klc_fx_type(Chan_KLC_FX.BOTTOM2) # when bi is up but the fx is bottom
											bi_list[-1].add_klc(klc)
											klc.set_bi(bi_list[-1])
											#klc.set_klc_fx_type(Chan_KLC_FX.BOTTOM8)
										else:
											#klc.set_fx(Chan_FX_TYPE.UNKNOWN)
											bi_list[-1].add_klc(klc)
											klc.set_bi(bi_list[-1])
											print(klc.end_time, klc.fx, "无效底分型")
								# 满足结合律的分型
								else:
									# New Temp Bottom and last top confirmed ***** confirm last up bi(last bottom and last top)
									last_bi = bi_list[-1]
									if not last_bi.is_sure:
										last_bi.set_end_klc(last_top, klc)
									bi = ChanBI(last_top, len(bi_list), Chan_BI_DIR.DOWN)
									last_bi.set_next(bi)
									bi.set_pre(last_bi)
									bi.add_klc(klc)
									bi_list.append(bi)
									last_bottom = klc
									#print(klc.start_time, klc.fx, bi_list[-1].dir, "Last Bottom Change 2")
									klc.set_klc_fx_type(Chan_KLC_FX.BOTTOM2)
									self.check_fx_pattern(klc)
									#bi_list[-1].add_klc(klc)
									klc.set_bi(bi_list[-1])
									#print(klc.start_time, last_top.start_time, "Normal Bottom Found, Confirm up bi 6")
						# last_top = None 初始化的时候用，其他时间不用
						else:
							if last_bottom.low > klc.low:
								last_bi = bi_list[-1]
								last_bi.set_start_klc(klc, Chan_BI_DIR.UP)
								#last_bottom.set_fx(Chan_FX_TYPE.UNKNOWN)
								last_bottom = klc
								#print(klc.start_time, klc.fx, bi_list[-1].dir, "Last Bottom Change 3")
								bi_list[-1].add_klc(klc)
								klc.set_bi(bi_list[-1])
								#print(klc.start_time, klc.fx, "笔买点Buy 3")
							else:
								#klc.set_fx(Chan_FX_TYPE.BB)
								#klc.set_state('-20')
								#print(klc.start_time, klc.fx, "二类买点Buy 2")
								bi_list[-1].add_klc(klc)
								klc.set_bi(bi_list[-1])
					# last_bottom = None 初始化的时候用，其他时间不用
					else:
						if last_top:
							# 不满足结合律的分型
							if last_top.index + bi_klc_min > klc.index:
								#klc.set_fx(Chan_FX_TYPE.PBOTTOM)
								bi_list[-1].add_klc(klc)
								klc.set_bi(bi_list[-1])
								#print(klc.start_time, klc.fx, "中枢买点Buy 1")
							else:
								# First temp bottom and last top confirmed
								last_bottom = klc
								#print(klc.start_time, klc.fx, bi_list[-1].dir, "Last Bottom Change 4")
								bi_list[-1].add_klc(klc)
								klc.set_bi(bi_list[-1])
								#print(klc.start_time, klc.fx, "一类买点Buy 1")
						# Last top = None, last bottom = None, create first up bi
						else:
							# First temp bottom and no top yet
							last_bottom = klc
							bi = ChanBI(klc, len(bi_list), Chan_BI_DIR.UP)
							#klc.set_klc_fx_type(Chan_KLC_FX.BOTTOM7)
							bi_list.append(bi)
							bi_list[-1].add_klc(klc)
							klc.set_bi(bi_list[-1])
							#print(klc.start_time, klc.fx, bi_list[-1].dir, "Last Bottom Change 5")
							#print(klc.start_time, klc.fx, "笔买点Buy 4")
		self.get_above_zero_bsp(klc_list)
		#print(bi_list[-1].start_time, bi_list[-1].end_time, len(bi_list[-1].klc_list))
		return bi_list
	def get_above_zero_bsp(self, klc_list):
		buy_bsp_list = []
		sell_bsp_list = []
		above_zero = False
		buy_bsp = None
		sell_bsp = None
		for klc in klc_list:
			if klc.pre and klc.pre.signal < 0 and klc.signal > 0:
				above_zero = True
			if klc.pre and klc.pre.signal > 0 and klc.signal < 0:
				above_zero = False
			if above_zero and klc.klc_fx_type == Chan_KLC_FX.BOTTOM2 and klc.macd > 0:
				buy_bsp = klc
				buy_bsp_list.append(klc)
				#print(klc.end_time, "MACD 0轴上穿，回调笔底分型做多")
			if buy_bsp and klc.pre and klc.pre.macdhist > 0 and klc.macdhist < 0:
				sell_bsp = klc
				sell_bsp_list.append(klc)
				buy_bsp = None
				#print(klc.end_time, "Sell BSP Found")
		return buy_bsp_list
	def check_top_fx(self, last_bottom, klc):
		if (last_bottom.high > klc.pre.low or last_bottom.high > klc.next.low) and (klc.index - last_bottom.index < 100):
			return False
		return True
	
	def check_bottom_fx(self, last_top, klc):
		if (last_top.low < klc.pre.high or last_top.low < klc.next.high) and (klc.index - last_top.index < 100):
			return False
		return True
	# 线段内的中枢
	def cal_bi_zs(self, seg_list):
		bi_zs_list = []
		for seg in seg_list:
			zs_list = seg.cal_bi_zs()
			if len(zs_list) > 0:
				bi_zs_list = list(bi_zs_list) + list(zs_list)
		return bi_zs_list
	# 跨段不相连的中枢
	def cal_bi_zs_list(self, bi_list):
		"""
		根据缠论笔中枢定义计算中枢（参照 get_zs_list 线段中枢判断规则）
		从第4根笔开始（索引3），每3根笔为一组检查
		上涨中枢：后中枢 zd > 前中枢 zg（不重叠上移）
		下跌中枢：后中枢 zg < 前中枢 zd（不重叠下移）
		中枢可按两笔一组继续扩展到5根、7根...
		"""
		bi_zs_list = []
		if len(bi_list) < 3:
			return bi_zs_list

		last_zs = None
		start_idx = 3

		while start_idx < len(bi_list):
			if start_idx + 2 >= len(bi_list):
				break

			bi1 = bi_list[start_idx]
			bi2 = bi_list[start_idx + 1]
			bi3 = bi_list[start_idx + 2]

			if not (bi1.is_sure and bi2.is_sure and bi3.is_sure):
				start_idx += 1
				continue

			zg = min(bi1.high, bi2.high, bi3.high)
			zd = max(bi1.low, bi2.low, bi3.low)

			if zg <= zd:
				start_idx += 1
				continue

			valid = False
			if last_zs is None:
				if bi1.dir == Chan_BI_DIR.DOWN:
					zs_dir = Chan_ZS_DIR.UP
					valid = (bi2.dir == Chan_BI_DIR.UP and bi3.dir == Chan_BI_DIR.DOWN)
				else:
					zs_dir = Chan_ZS_DIR.DOWN
					valid = (bi2.dir == Chan_BI_DIR.DOWN and bi3.dir == Chan_BI_DIR.UP)
			else:
				is_up_zs = zg > last_zs.zg
				is_down_zs = zd < last_zs.zd

				if is_up_zs:
					zs_dir = Chan_ZS_DIR.UP
					valid = (bi1.dir == Chan_BI_DIR.DOWN and bi2.dir == Chan_BI_DIR.UP and bi3.dir == Chan_BI_DIR.DOWN)
				elif is_down_zs:
					zs_dir = Chan_ZS_DIR.DOWN
					valid = (bi1.dir == Chan_BI_DIR.UP and bi2.dir == Chan_BI_DIR.DOWN and bi3.dir == Chan_BI_DIR.UP)

			if not valid:
				start_idx += 1
				continue
			gg = max(bi1.high, bi2.high, bi3.high)
			dd = min(bi1.low, bi2.low, bi3.low)
			zs = ChanBIZS(bi1, len(bi_zs_list), zs_dir)
			zs.set_zg(zg)
			zs.set_zd(zd)
			zs.set_gg(gg)
			zs.set_dd(dd)
			zs.is_sure = False
			zs.bi_list = [bi1, bi2, bi3]

			added_after_leave = []
			leave_index = start_idx + 4
			while leave_index < len(bi_list):
				b = bi_list[leave_index]
				if not b.is_sure:
					break
				if b.high >= zs.zd and b.low <= zs.zg:
					added_after_leave.append(b.pre)
					added_after_leave.append(b)
				else:
					break
				leave_index += 2

			if added_after_leave:
				bis_for_zs = list(zs.bi_list) + list(added_after_leave)
				bi_highs = [bi.high for bi in bis_for_zs]
				bi_lows = [bi.low for bi in bis_for_zs]
				zs.set_gg(max(bi_highs))
				zs.set_dd(min(bi_lows))
				zs.bi_list = bis_for_zs
				bi = bis_for_zs[-1]
				if bi.is_sure:
					zs.set_end_bi(bi, bi.sure_time)

				start_idx = start_idx + len(added_after_leave)
			else:
				zs.set_end_bi(bi3, bi3.sure_time)

			if last_zs:
				last_zs.set_next(zs)
				zs.set_pre(last_zs)

			bi_zs_list.append(zs)
			last_zs = zs

			start_idx += 4

		if last_zs:
			last_zs.is_sure = bi_list[-1].is_sure

		if last_zs and not last_zs.is_sure:
			if last_zs.bi_list and len(last_zs.bi_list) > 0:
				last_bi_of_zs = last_zs.bi_list[-1]
				last_bi_idx = -1
				for i, bi in enumerate(bi_list):
					if bi == last_bi_of_zs:
						last_bi_idx = i
						break

				has_leave = False
				if last_bi_idx >= 0 and last_bi_idx + 1 < len(bi_list):
					for i in range(last_bi_idx + 1, len(bi_list)):
						bi = bi_list[i]
						if bi.is_sure:
							leave = (bi.low > last_zs.zg and bi.high > last_zs.zg) or \
									(bi.high < last_zs.zd and bi.low < last_zs.zd)
							if leave:
								has_leave = True
								break

				if has_leave:
					if last_bi_of_zs.is_sure:
						last_zs.set_end_bi(last_bi_of_zs, last_bi_of_zs.sure_time)
		return bi_zs_list
	def get_bi_zs_list(self, bi_list):
		"""
		根据缠论笔中枢定义计算中枢（完全参照 get_seg_zs_list 线段中枢判断规则）
		从第4根笔开始（索引3），每3根笔为一组检查
		上涨中枢：后中枢 zd > 前中枢 zg（不重叠上移）
		下跌中枢：后中枢 zg < 前中枢 zd（不重叠下移）
		盘整/扩张：后中枢与前中枢整体区间有交集 → 合并扩展
		中枢可按两笔一组继续扩展到5根、7根...
		"""
		bi_zs_list = []
		if len(bi_list) < 3:
			return bi_zs_list

		last_zs = None
		start_idx = 3

		while start_idx < len(bi_list):
			if start_idx + 2 >= len(bi_list):
				break

			bi1 = bi_list[start_idx]
			bi2 = bi_list[start_idx + 1]
			bi3 = bi_list[start_idx + 2]

			if not (bi1.is_sure and bi2.is_sure and bi3.is_sure):
				start_idx += 1
				continue

			zg = min(bi1.high, bi2.high, bi3.high)
			zd = max(bi1.low, bi2.low, bi3.low)

			if zg <= zd:
				start_idx += 1
				continue

			valid = False
			if last_zs is None:
				if bi1.dir == Chan_BI_DIR.DOWN:
					zs_dir = Chan_ZS_DIR.UP
					valid = (bi2.dir == Chan_BI_DIR.UP and bi3.dir == Chan_BI_DIR.DOWN)
				else:
					zs_dir = Chan_ZS_DIR.DOWN
					valid = (bi2.dir == Chan_BI_DIR.DOWN and bi3.dir == Chan_BI_DIR.UP)
			else:
				is_up_zs = zd > last_zs.zg
				is_down_zs = zg < last_zs.zd

				if is_up_zs:
					zs_dir = Chan_ZS_DIR.UP
					valid = (bi1.dir == Chan_BI_DIR.DOWN and bi2.dir == Chan_BI_DIR.UP and bi3.dir == Chan_BI_DIR.DOWN)
				elif is_down_zs:
					zs_dir = Chan_ZS_DIR.DOWN
					valid = (bi1.dir == Chan_BI_DIR.UP and bi2.dir == Chan_BI_DIR.DOWN and bi3.dir == Chan_BI_DIR.UP)

			create_new_zs = False
			if not valid:
				# 如果新中枢和前一个中枢的中枢区间有重叠，不形成新中枢，合并扩展
				if last_zs is not None:
					is_in_last_zs = (zd > last_zs.zd and zd < last_zs.zg) or \
									(zg < last_zs.zg and zg > last_zs.zd) or \
									(zg > last_zs.zg and zd < last_zs.zd) or \
									(zg < last_zs.zg and zd > last_zs.zd)
					if is_in_last_zs:
						# 扩展当前中枢：将 bi1-bi3 加入 last_zs
						for bi in [bi1, bi2, bi3]:
							if bi not in last_zs.bi_list:
								last_zs.add_bi(bi)
						create_new_zs = False
					else:
						start_idx += 1
						continue
				else:
					start_idx += 1
					continue
			else:
				create_new_zs = True

			# 新中枢形成时确认前一个中枢
			if last_zs and create_new_zs:
				last_bi = last_zs.bi_list[-1]
				if last_bi and last_bi.is_sure:
					last_zs.is_sure = True
					last_zs.set_end_bi(last_bi, last_bi.sure_time)

			zs = last_zs
			if create_new_zs:
				gg = max(bi1.high, bi2.high, bi3.high)
				dd = min(bi1.low, bi2.low, bi3.low)
				zs = ChanBIZS(bi1, len(bi_zs_list), zs_dir)
				zs.set_zg(zg)
				zs.set_zd(zd)
				zs.set_gg(gg)
				zs.set_dd(dd)
				zs.is_sure = False
				zs.bi_list = [bi1, bi2, bi3]

			# 离开后回抽扩展检查
			added_after_leave = []
			leave_index = start_idx + 4
			while leave_index < len(bi_list):
				b = bi_list[leave_index]
				if not b.is_sure:
					break
				if b.high >= zs.zd and b.low <= zs.zg:
					added_after_leave.append(b.pre)
					added_after_leave.append(b)
				else:
					break
				leave_index += 2

			if added_after_leave:
				bis_for_zs = list(zs.bi_list) + list(added_after_leave)
				bi_highs = [bi.high for bi in bis_for_zs]
				bi_lows = [bi.low for bi in bis_for_zs]
				zs.set_gg(max(bi_highs))
				zs.set_dd(min(bi_lows))
				zs.bi_list = bis_for_zs
				bi = bis_for_zs[-1]
				if bi.is_sure:
					zs.set_end_bi(bi, bi.sure_time)
				start_idx = start_idx + len(added_after_leave)
			else:
				if create_new_zs:
					zs.set_end_bi(bi3, bi3.sure_time)

			if create_new_zs:
				if last_zs:
					last_zs.set_next(zs)
					zs.set_pre(last_zs)
				bi_zs_list.append(zs)
				last_zs = zs

			start_idx += 4

		# 最后一个中枢：根据 bi_list 最后一笔确认状态
		if last_zs:
			last_zs.is_sure = bi_list[-1].is_sure

		if last_zs and not last_zs.is_sure:
			if last_zs.bi_list and len(last_zs.bi_list) > 0:
				last_bi_of_zs = last_zs.bi_list[-1]
				last_bi_idx = -1
				for i, bi in enumerate(bi_list):
					if bi == last_bi_of_zs:
						last_bi_idx = i
						break

				has_leave = False
				if last_bi_idx >= 0 and last_bi_idx + 1 < len(bi_list):
					for i in range(last_bi_idx + 1, len(bi_list)):
						bi = bi_list[i]
						if bi.is_sure:
							leave = (bi.low > last_zs.zg and bi.high > last_zs.zg) or \
									(bi.high < last_zs.zd and bi.low < last_zs.zd)
							if leave:
								has_leave = True
								break

				if has_leave:
					if last_bi_of_zs.is_sure:
						last_zs.set_end_bi(last_bi_of_zs, last_bi_of_zs.sure_time)

		return bi_zs_list

	def cal_bi_zs_list_pure(self, bi_list):
		bi_zs_list = []
		if len(bi_list) < 3:
			return bi_zs_list

		def get_zs_range(bis):
			zg = min(bi.high for bi in bis)
			zd = max(bi.low for bi in bis)
			return zg, zd

		def is_bi_overlap_range(bi, zg, zd):
			return bi.high >= zd and bi.low <= zg

		def check_zs_position_filter(last_zs, zg, zd, bis):
			if last_zs is None:
				return True
			if zg <= last_zs.zd:
				return bis[0].dir == Chan_BI_DIR.UP and bis[-1].dir == Chan_BI_DIR.UP
			if zd >= last_zs.zg:
				return bis[0].dir == Chan_BI_DIR.DOWN and bis[-1].dir == Chan_BI_DIR.DOWN
			return True

		def set_zs_bi_list(zs, bis):
			zs.bi_list = list(bis)
			for bi in zs.bi_list:
				bi.set_bi_zs(zs)
			zs.set_gg(max(bi.high for bi in zs.bi_list))
			zs.set_dd(min(bi.low for bi in zs.bi_list))
			zs.classify_zs()

		last_zs = None
		start_idx = 0
		while start_idx + 2 < len(bi_list):
			bi1 = bi_list[start_idx]
			bi2 = bi_list[start_idx + 1]
			bi3 = bi_list[start_idx + 2]

			if not (bi1.is_sure and bi2.is_sure and bi3.is_sure):
				start_idx += 1
				continue

			if not (bi1.dir != bi2.dir and bi1.dir == bi3.dir):
				start_idx += 1
				continue

			zg, zd = get_zs_range([bi1, bi2, bi3])
			if zg <= zd:
				start_idx += 1
				continue

			bis_for_zs = [bi1, bi2, bi3]
			extend_idx = start_idx + 3
			while extend_idx + 1 < len(bi_list):
				leave_bi = bi_list[extend_idx]
				back_bi = bi_list[extend_idx + 1]
				if not (leave_bi.is_sure and back_bi.is_sure):
					break
				if not is_bi_overlap_range(back_bi, zg, zd):
					break
				bis_for_zs.append(leave_bi)
				bis_for_zs.append(back_bi)
				extend_idx += 2

			if not check_zs_position_filter(last_zs, zg, zd, bis_for_zs):
				start_idx += 1
				continue

			zs_dir = Chan_ZS_DIR.UP if bi1.dir == Chan_BI_DIR.DOWN else Chan_ZS_DIR.DOWN
			zs = ChanBIZS(bi1, len(bi_zs_list), zs_dir)
			zs.set_zg(zg)
			zs.set_zd(zd)

			set_zs_bi_list(zs, bis_for_zs)
			zs.set_end_bi(bis_for_zs[-1], bis_for_zs[-1].sure_time)

			if last_zs:
				last_zs.set_next(zs)
				zs.set_pre(last_zs)

			bi_zs_list.append(zs)
			last_zs = zs
			start_idx = start_idx + len(bis_for_zs)

		# 与 cal_bi_zs_list 一致：最后一笔未确认时末中枢标为未完成；若其后已出现确认的离开笔，仍按离开前最后一笔确认中枢结束
		if last_zs:
			last_zs.is_sure = bi_list[-1].is_sure

		if last_zs and not last_zs.is_sure:
			if last_zs.bi_list and len(last_zs.bi_list) > 0:
				last_bi_of_zs = last_zs.bi_list[-1]
				last_bi_idx = -1
				for i, bi in enumerate(bi_list):
					if bi == last_bi_of_zs:
						last_bi_idx = i
						break

				has_leave = False
				if last_bi_idx >= 0 and last_bi_idx + 1 < len(bi_list):
					for i in range(last_bi_idx + 1, len(bi_list)):
						bi = bi_list[i]
						if bi.is_sure:
							leave = (bi.low > last_zs.zg and bi.high > last_zs.zg) or \
									(bi.high < last_zs.zd and bi.low < last_zs.zd)
							if leave:
								has_leave = True
								break

				if has_leave:
					if last_bi_of_zs.is_sure:
						last_zs.set_end_bi(last_bi_of_zs, last_bi_of_zs.sure_time)

		return bi_zs_list
	def find_all_bsp(self, bi_list, bi_zs_list):
		"""
		笔中枢的三类买卖点识别

		三类买点：中枢形成后，一笔向上离开中枢（低点 > zg），
				 随后回拉的一笔低点不跌回中枢（低点 >= zg），确认支撑有效。
		三类卖点：中枢形成后，一笔向下离开中枢（高点 < zd），
				 随后反弹的一笔高点不回到中枢（高点 <= zd），确认压力有效。

		参数:
			bi_list: 笔列表
			bi_zs_list: 笔中枢列表（二维列表，每个seg内的中枢列表）

		返回:
			bsp_list: ChanBSP 列表，包含所有识别到的三类买卖点
		"""
		bsp_list = []
		if len(bi_list) < 4 or len(bi_zs_list) == 0:
			return bsp_list

		for zs in bi_zs_list:
			if not zs.is_sure or len(zs.bi_list) < 3:
				continue
			#print(zs.start_time, zs.end_time, zs.dir, zs.is_sure, len(zs.bi_list))
			# 中枢结束后的第一笔（离开笔）
			last_zs_bi = zs.bi_list[-1]
			if last_zs_bi.dir == Chan_BI_DIR.UP:
				if last_zs_bi.is_sure and last_zs_bi.end_klc.high <= zs.zg or (last_zs_bi.next and last_zs_bi.next.is_sure and last_zs_bi.next.end_klc.low < zs.zd):
					leave_bi = last_zs_bi.next
				else:
					leave_bi = last_zs_bi
			else:
				if last_zs_bi.is_sure and last_zs_bi.end_klc.low >= zs.zd or (last_zs_bi.next and last_zs_bi.next.is_sure and last_zs_bi.next.end_klc.high > zs.zg):
					leave_bi = last_zs_bi.next
				else:
					leave_bi = last_zs_bi
			#print(zs.zg, zs.zd)
			if leave_bi is None or not leave_bi.is_sure:
				continue
			if (zs.dir == Chan_ZS_DIR.UP and leave_bi.dir == Chan_BI_DIR.UP and leave_bi.end_klc.high < zs.zg and leave_bi.end_klc.high > zs.zd) or (zs.dir == Chan_ZS_DIR.DOWN and leave_bi.dir == Chan_BI_DIR.DOWN and leave_bi.end_klc.low < zs.zg and leave_bi.end_klc.low > zs.zd):
				#print("--------------------", leave_bi.dir, leave_bi.end_klc.high, leave_bi.end_klc.low, zs.zg, zs.zd)
				leave_bi = leave_bi.next
			# 三类买点：向上离开中枢后回拉不破 zg
			#print("Leave bi:", leave_bi.start_time, leave_bi.end_time, leave_bi.dir, leave_bi.is_sure, leave_bi.low, leave_bi.high)
			if leave_bi.dir == Chan_BI_DIR.UP:
				first_bsp_bi_div = self.check_bi_div(zs, leave_bi)
				# 确认一类卖点：离开断能量小于进入段能量
				if first_bsp_bi_div:
					bsp = ChanBSP(
						leave_bi, len(bsp_list),
						Chan_BSP_TYPE.S1,
						Chan_BSP_DIR.SELL,
						leave_bi.sure_time,
						zs.index+1, zs, None
					)
					leave_bi.end_klc.set_bsp_type(Chan_BSP_TYPE.S1)
					bsp_list.append(bsp)
				# 回拉笔
				pullback_bi = leave_bi.next
				#print(pullback_bi.start_klc.start_time, pullback_bi.dir, pullback_bi.is_sure, pullback_bi.low, pullback_bi.high)
				if pullback_bi and pullback_bi.is_sure and pullback_bi.dir == Chan_BI_DIR.DOWN:
					if pullback_bi.low >= zs.zg:
						# 确认三类买点：回拉笔的低点不跌回中枢
						bsp = ChanBSP(
							pullback_bi, len(bsp_list),
							Chan_BSP_TYPE.B3,
							Chan_BSP_DIR.BUY,
							pullback_bi.sure_time,
							zs.index+1, zs, None
						)
						pullback_bi.end_klc.set_bsp_type(Chan_BSP_TYPE.B3)
						bsp_list.append(bsp)
				# 二类卖点
				if first_bsp_bi_div:
					second_bsp_bi = pullback_bi.next
					if second_bsp_bi and second_bsp_bi.is_sure and second_bsp_bi.end_klc.high < leave_bi.end_klc.high:
						# 确认二类卖点：一类卖点后回拉不超过一类卖点高点
						bsp = ChanBSP(
							second_bsp_bi, len(bsp_list),
							Chan_BSP_TYPE.S2,
							Chan_BSP_DIR.SELL,
							second_bsp_bi.sure_time,
							zs.index+1, zs, None
						)
						second_bsp_bi.end_klc.set_bsp_type(Chan_BSP_TYPE.B2)
						bsp_list.append(bsp)
			# 三类卖点：向下离开中枢后反弹不破 zd
			elif leave_bi.dir == Chan_BI_DIR.DOWN:
				first_bsp_bi_div = self.check_bi_div(zs, leave_bi)
				# 确认一类买点：离开段能量小于进入段
				if first_bsp_bi_div:
					bsp = ChanBSP(
						leave_bi, len(bsp_list),
						Chan_BSP_TYPE.B1,
						Chan_BSP_DIR.BUY,
						leave_bi.sure_time,
						zs.index+1, zs, None
					)
					leave_bi.end_klc.set_bsp_type(Chan_BSP_TYPE.B1)
					bsp_list.append(bsp)
				# 反弹笔
				bounce_bi = leave_bi.next
				#print(bounce_bi.start_klc.start_time, bounce_bi.dir, bounce_bi.is_sure, bounce_bi.low, bounce_bi.high)
				if bounce_bi and bounce_bi.is_sure and bounce_bi.dir == Chan_BI_DIR.UP:
					if bounce_bi.high <= zs.zd:
						# 确认三类卖点：反弹笔的高点不回到中枢
						bsp = ChanBSP(
							bounce_bi, len(bsp_list),
							Chan_BSP_TYPE.S3,
							Chan_BSP_DIR.SELL,
							bounce_bi.sure_time,
							zs.index+1, zs, None
						)
						bounce_bi.end_klc.set_bsp_type(Chan_BSP_TYPE.S3)
						bsp_list.append(bsp)
				# 二类卖点
				if first_bsp_bi_div:
					second_bsp_bi = bounce_bi.next
					if second_bsp_bi and second_bsp_bi.is_sure and second_bsp_bi.end_klc.low > leave_bi.end_klc.low:
						# 确认二类买点：一类买点后回拉不超过一类卖点高点
						bsp = ChanBSP(
							second_bsp_bi, len(bsp_list),
							Chan_BSP_TYPE.B2,
							Chan_BSP_DIR.BUY,
							second_bsp_bi.sure_time,
							zs.index+1, zs, None
						)
						second_bsp_bi.end_klc.set_bsp_type(Chan_BSP_TYPE.B2)
						bsp_list.append(bsp)
		return bsp_list
	def check_bi_div(self, zs, leave_bi):
		enter_bi = zs.bi_list[0].pre
		macdhist_div = 0
		if enter_bi and enter_bi.dir == leave_bi.dir:
			macdhist_div = abs(leave_bi.macd_hist) - abs(enter_bi.macd_hist)
		#print(enter_bi.end_time, leave_bi.end_time, macdhist_div < 0)
		return macdhist_div < 0
	def find_first_bsp(self, bi_list, bi_zs_list):
		"""
		笔中枢的一类买卖点识别

		一类买点：下跌趋势中，最后一个中枢完成后，向下离开中枢的笔创新低，
				 但该笔与进入中枢前的最后一笔下跌形成底背驰（力度减弱），
				 即趋势力竭的转折点。
		一类卖点：上涨趋势中，最后一个中枢完成后，向上离开中枢的笔创新高，
				 但该笔与进入中枢前的最后一笔上涨形成顶背驰（力度减弱），
				 即趋势力竭的转折点。

		简化判断：中枢形成后，离开中枢的笔（突破笔）本身即为一类买卖点的触发笔。

		参数:
			bi_list: 笔列表
			bi_zs_list: 笔中枢列表（扁平列表，每个元素是一个中枢对象）

		返回:
			bsp_list: ChanBSP 列表，包含所有识别到的一类买卖点
		"""
		bsp_list = []
		if len(bi_list) < 4 or len(bi_zs_list) == 0:
			return bsp_list

		for zs in bi_zs_list:
			if not zs.is_sure or len(zs.bi_list) < 3:
				continue

			# 找到中枢的最后一笔
			last_zs_bi = zs.bi_list[-1]

			# 确定离开笔：中枢最后一笔之后的第一笔
			if last_zs_bi.dir == Chan_BI_DIR.UP:
				# 中枢最后一笔向上，如果没有真正离开中枢，取下一笔
				if last_zs_bi.is_sure and last_zs_bi.end_klc.high <= zs.zg:
					leave_bi = last_zs_bi.next
				else:
					leave_bi = last_zs_bi
			else:
				# 中枢最后一笔向下，如果没有真正离开中枢，取下一笔
				if last_zs_bi.is_sure and last_zs_bi.end_klc.low >= zs.zd:
					leave_bi = last_zs_bi.next
				else:
					leave_bi = last_zs_bi

			if leave_bi is None or not leave_bi.is_sure:
				continue

			# 一类买点：向下离开中枢（leave_bi向下，低点 < zd），趋势力竭
			if leave_bi.dir == Chan_BI_DIR.DOWN and leave_bi.low < zs.zd:
				# 背驰判断：比较离开笔与中枢内最后一笔同向笔的MACD柱状累积面积
				# 缠论原文：两段同向走势的MACD柱状面积比较，面积缩小即为背驰
				compare_bi = None
				for bi in reversed(zs.bi_list):
					if bi.dir == Chan_BI_DIR.DOWN and bi is not leave_bi:
						compare_bi = bi
						break

				is_divergence = False
				if compare_bi:
					# 笔的macd_hist是该笔内所有KLU的macdhist累积面积
					leave_macd_area = abs(leave_bi.macd_hist)
					compare_macd_area = abs(compare_bi.macd_hist)

					# 价格创新低但MACD面积缩小 = 底背驰
					if leave_bi.low <= compare_bi.low and leave_macd_area < compare_macd_area:
						is_divergence = True
					# 即使没创新低，MACD面积明显缩小也算背驰
					elif leave_macd_area < compare_macd_area * 0.5:
						is_divergence = True
				else:
					# 没有对比笔时，只要离开中枢就算一类买点
					is_divergence = True

				if is_divergence:
					bsp = ChanBSP(
						leave_bi, len(bsp_list),
						Chan_BSP_TYPE.T1,
						Chan_BSP_DIR.BUY,
						leave_bi.sure_time,
						1, zs, None
					)
					bsp_list.append(bsp)

			# 一类卖点：向上离开中枢（leave_bi向上，高点 > zg），趋势力竭
			elif leave_bi.dir == Chan_BI_DIR.UP and leave_bi.high > zs.zg:
				# 背驰判断：比较离开笔与中枢内最后一笔同向笔的MACD柱状累积面积
				compare_bi = None
				for bi in reversed(zs.bi_list):
					if bi.dir == Chan_BI_DIR.UP and bi is not leave_bi:
						compare_bi = bi
						break

				is_divergence = False
				if compare_bi:
					leave_macd_area = abs(leave_bi.macd_hist)
					compare_macd_area = abs(compare_bi.macd_hist)

					# 价格创新高但MACD面积缩小 = 顶背驰
					if leave_bi.high >= compare_bi.high and leave_macd_area < compare_macd_area:
						is_divergence = True
					# 即使没创新高，MACD面积明显缩小也算背驰
					elif leave_macd_area < compare_macd_area * 0.5:
						is_divergence = True
				else:
					is_divergence = True

				if is_divergence:
					bsp = ChanBSP(
						leave_bi, len(bsp_list),
						Chan_BSP_TYPE.T1,
						Chan_BSP_DIR.SELL,
						leave_bi.sure_time,
						1, zs, None
					)
					bsp_list.append(bsp)

		return bsp_list

	def find_second_bsp(self, bi_list, first_bsp_list):
		"""
		笔中枢的二类买卖点识别

		二类买点：一类买点出现后，价格向上反弹一笔，再回落一笔，
				 回落笔的低点不跌破一类买点的低点，确认底部成立。
		二类卖点：一类卖点出现后，价格向下回落一笔，再反弹一笔，
				 反弹笔的高点不超过一类卖点的高点，确认顶部成立。

		参数:
			bi_list: 笔列表
			first_bsp_list: 一类买卖点列表（find_first_bsp 的返回值）

		返回:
			bsp_list: ChanBSP 列表，包含所有识别到的二类买卖点
		"""
		bsp_list = []
		if not first_bsp_list or len(bi_list) < 4:
			return bsp_list

		for first_bsp in first_bsp_list:
			trigger_bi = first_bsp.bi  # 一类买卖点的触发笔

			if first_bsp.dir == Chan_BSP_DIR.BUY:
				# 一买之后：trigger_bi 向下 -> 反弹笔(向上) -> 回落笔(向下)
				# 回落笔的低点 > trigger_bi 的低点 => 二类买点
				bounce_bi = trigger_bi.next  # 反弹笔（向上）
				if bounce_bi and bounce_bi.is_sure and bounce_bi.dir == Chan_BI_DIR.UP:
					pullback_bi = bounce_bi.next  # 回落笔（向下）
					if pullback_bi and pullback_bi.is_sure and pullback_bi.dir == Chan_BI_DIR.DOWN:
						if pullback_bi.low > trigger_bi.low:
							bsp = ChanBSP(
								pullback_bi, len(bsp_list),
								Chan_BSP_TYPE.T2,
								Chan_BSP_DIR.BUY,
								pullback_bi.sure_time,
								1, first_bsp.zs, None
							)
							bsp_list.append(bsp)

			elif first_bsp.dir == Chan_BSP_DIR.SELL:
				# 一卖之后：trigger_bi 向上 -> 回落笔(向下) -> 反弹笔(向上)
				# 反弹笔的高点 < trigger_bi 的高点 => 二类卖点
				drop_bi = trigger_bi.next  # 回落笔（向下）
				if drop_bi and drop_bi.is_sure and drop_bi.dir == Chan_BI_DIR.DOWN:
					bounce_bi = drop_bi.next  # 反弹笔（向上）
					if bounce_bi and bounce_bi.is_sure and bounce_bi.dir == Chan_BI_DIR.UP:
						if bounce_bi.high < trigger_bi.high:
							bsp = ChanBSP(
								bounce_bi, len(bsp_list),
								Chan_BSP_TYPE.T2,
								Chan_BSP_DIR.SELL,
								bounce_bi.sure_time,
								1, first_bsp.zs, None
							)
							bsp_list.append(bsp)

		return bsp_list
	def calculate_seg_zs(self, seg_list):
		return self.get_seg_zs_list(seg_list)
	def get_seg_zs_list(self, seg_list):
		"""
		根据缠论线段中枢定义计算中枢
		从第4根线段开始（索引3），每3根线段为一组检查
		上涨中枢：后中枢 zd > 前中枢 zg（不重叠上移）
		下跌中枢：后中枢 zg < 前中枢 zd（不重叠下移）
		盘整/扩张：后中枢与前中枢整体区间（GG/DD）有交集
		中枢可按两段一组继续扩展到5根、7根...
		"""
		zs_list = []
		if len(seg_list) < 3:
			return zs_list

		last_zs = None

		# 从第4根线段开始（索引3），每3根为一组
		start_idx = 3

		while start_idx < len(seg_list):
			# 取连续3个线段
			if start_idx + 2 >= len(seg_list):
				break

			seg1 = seg_list[start_idx]
			seg2 = seg_list[start_idx + 1]
			seg3 = seg_list[start_idx + 2]

			# 三个线段都必须是已确认的
			if not (seg1.is_sure and seg2.is_sure and seg3.is_sure):
				start_idx += 1
				continue

			# 计算这3个线段的中枢区间
			zg = min(seg1.high, seg2.high, seg3.high)
			zd = max(seg1.low, seg2.low, seg3.low)

			if zg <= zd:
				start_idx += 1
				#print(seg1.start_bi.start_klc.end_time, "not valid", zg, zd)
				continue

			# 判断中枢类型（按注释定义）
			# 上涨中枢：后中枢 zd > 前中枢 zg（不重叠上移）
			# 下跌中枢：后中枢 zg < 前中枢 zd（不重叠下移）
			# 盘整/扩张：后中枢与前中枢区间有交集
			if last_zs is None:
				# 第一个中枢仅按线段形态判定方向
				if seg1.dir == Chan_SEG_DIR.DOWN:
					# 下跌+上涨+下跌，对应上涨中枢
					zs_dir = Chan_ZS_DIR.UP
					valid = (seg2.dir == Chan_SEG_DIR.UP and seg3.dir == Chan_SEG_DIR.DOWN)
				else:
					# 上涨+下跌+上涨，对应下跌中枢
					zs_dir = Chan_ZS_DIR.DOWN
					valid = (seg2.dir == Chan_SEG_DIR.DOWN and seg3.dir == Chan_SEG_DIR.UP)
			else:
				is_up_zs = zd > last_zs.zg
				is_down_zs = zg < last_zs.zd

				if is_up_zs:
					# 不重叠上移
					zs_dir = Chan_ZS_DIR.UP
					valid = (seg1.dir == Chan_SEG_DIR.DOWN and seg2.dir == Chan_SEG_DIR.UP and seg3.dir == Chan_SEG_DIR.DOWN)
				elif is_down_zs:
					# 不重叠下移
					zs_dir = Chan_ZS_DIR.DOWN
					valid = (seg1.dir == Chan_SEG_DIR.UP and seg2.dir == Chan_SEG_DIR.DOWN and seg3.dir == Chan_SEG_DIR.UP)
			create_new_zs = False
			# 验证是否有效
			if not valid:
				# 如果新中枢和前一个中枢的中枢区间有重叠，不行成新中枢需要合并两个中枢
				is_in_last_zs = (zd > last_zs.zd and zd < last_zs.zg) or (zg < last_zs.zg and zg > last_zs.zd) or (zg > last_zs.zg and zd < last_zs.zd) or (zg < last_zs.zg and zd > last_zs.zd)
				if is_in_last_zs:
					#print(seg1.start_time, "New zs is in last zs, not valid")
					last_zs.extend_zs(seg_list[last_zs.seg_list[-1].index:(seg3.index + 1)])
					create_new_zs = False
				else:
					start_idx += 1
					continue
			else:
				create_new_zs = True
			if last_zs and create_new_zs:
				last_seg = last_zs.seg_list[-1]
				last_bi = last_seg.end_bi
				if last_bi:
					last_zs.is_sure = True
					last_zs.set_end_klc(last_bi.end_klc, last_bi.sure_time, 0, last_seg)
					last_zs.set_end_seg(last_seg)
			zs = last_zs
			if create_new_zs:
				# 创建新中枢
				gg = max(seg1.high, seg2.high, seg3.high)
				dd = min(seg1.low, seg2.low, seg3.low)

				zs = ChanZS(seg1, len(zs_list), zs_dir)
				zs.set_zg(zg)
				zs.set_zd(zd)
				zs.set_gg(gg)
				zs.set_dd(dd)
				zs.is_sure = False
				zs.seg_list = [seg1, seg2, seg3]
			# 若第二线段与 [zd,zg] 重叠（如离开后回抽回到前中枢）则并入扩展
			added_after_leave = []
			leave_index = start_idx + 4
			is_break = False
			while leave_index < len(seg_list):
				s = seg_list[leave_index]
				if not s.is_sure:
					break
				sh = max(s.start_bi.high, s.end_bi.high) if s.end_bi else s.start_bi.high
				sl = min(s.start_bi.low, s.end_bi.low) if s.end_bi else s.start_bi.low
				if sh >= zs.zd and sl <= zs.zg:
					added_after_leave.append(s.pre)
					added_after_leave.append(s)
					leave_index += 2
				else:
					next_seg = s.next
					if next_seg and next_seg.is_sure:
						if next_seg.dir == Chan_SEG_DIR.UP:
							if next_seg.high <= zs.zg and next_seg.low >= zs.zd:
								leave_index += 2
								continue
							else:
								is_break = True
						else:
							if next_seg.low >= zs.zd and next_seg.low <= zs.zg:
								leave_index += 2
								continue
							else:
								is_break = True
					else:
						break
				if is_break:
					break
			if added_after_leave:
				#print(len(added_after_leave))
				segs_for_zs = list(zs.seg_list) + list(added_after_leave)
				seg_highs = [s.high for s in segs_for_zs]
				seg_lows = [s.low for s in segs_for_zs]
				zs.set_gg(max(seg_highs))
				zs.set_dd(min(seg_lows))
				zs.seg_list = segs_for_zs
				seg = segs_for_zs[-1]
				#if seg.end_bi:
					#zs.set_end_klc(seg.end_bi.end_klc, seg.sure_time, 0, seg)
					#zs.set_end_seg(seg)
					#zs.is_sure = True
				start_idx = start_idx + len(added_after_leave)
			if last_zs and last_zs.index != zs.index:
				last_zs.set_next(zs)
				zs.set_pre(last_zs)

			zs_list.append(zs)
			last_zs = zs

			# 移动到下一组
			start_idx += 4
		if last_zs:
			last_zs.is_sure = seg_list[-1].is_sure
		"""
		# 处理最后一个未确认的中枢 - 不自动扩展，保持未完成状态
		if last_zs and not last_zs.is_sure:
			# 获取中枢最后一个线段的索引
			if last_zs.seg_list and len(last_zs.seg_list) > 0:
				last_seg_of_zs = last_zs.seg_list[-1]
				# 找到这个线段在seg_list中的索引
				last_seg_idx = -1
				for i, seg in enumerate(seg_list):
					if seg == last_seg_of_zs:
						last_seg_idx = i
						break

				# 从中枢最后一个线段之后检查是否有离开
				has_leave = False
				if last_seg_idx >= 0 and last_seg_idx + 1 < len(seg_list):
					for i in range(last_seg_idx + 1, len(seg_list)):
						seg = seg_list[i]
						if seg.is_sure:
							# 检查是否离开中枢
							leave = (seg.low > last_zs.zg and seg.high > last_zs.zg) or \
									(seg.high < last_zs.zd and seg.low < last_zs.zd)
							if leave:
								has_leave = True
								break

				if not has_leave:
					# 没有离开，保持未完成状态
					pass
				else:
					# 有离开，确认中枢
					if last_seg_of_zs.end_bi:
						#print(last_seg_of_zs.start_time, "last_seg_of_zs.end_time", last_seg_of_zs.end_time)
						last_zs.set_end_klc(last_seg_of_zs.end_bi.end_klc, last_seg_of_zs.sure_time, 0, last_seg_of_zs)
						last_zs.set_end_seg(last_seg_of_zs)
						last_zs.is_sure = True
		"""
		return zs_list

	def get_big_zs_list(self, zs_list):
		"""
		中枢扩张：将区间重叠的连续中枢合并为大级别中枢，便于显示更大级别的震荡区间。
		重叠定义：两中枢 [zd,zg] 有交集，即 (zs_i.zg >= zs_j.zd and zs_i.zd <= zs_j.zg)。
		"""
		big_list = []
		if len(zs_list) < 2:
			return big_list
		i = 0
		while i < len(zs_list):
			group = [zs_list[i]]
			j = i + 1
			while j < len(zs_list):
				cur = zs_list[j]
				# 与当前组内任一中枢有重叠即算扩张（通常只需与组内最后一个比）
				last_in_group = group[-1]
				overlap = (last_in_group.zg >= cur.zd and last_in_group.zd <= cur.zg)
				if overlap:
					group.append(cur)
					j += 1
				else:
					break
			if len(group) >= 2:
				big = ChanZS_Big(group)
				big.index = len(big_list)
				big_list.append(big)
			i = j if len(group) >= 2 else i + 1
		return big_list

	def get_klu_list(self, dataframe):
		klu_list = self.get_kl_data(dataframe)
		#klu_list = self.cal_klu_pattern(klu_list)
		return klu_list
	def cal_klu_pattern(self, klu_list):
		"""
		计算裸K的pattern - 识别反转形态
		"""
		if not klu_list or len(klu_list) < 3:
			return klu_list
			
		for i, klu in enumerate(klu_list):
			# 单根K线反转模式识别
			self._detect_single_reversal_pattern(klu)
			
			# 双根K线形态识别
			if i >= 1:
				self._detect_double_pattern(klu_list[i-1], klu)
			
			# 三根K线形态识别
			if i >= 2:
				self._detect_triple_pattern(klu_list[i-2], klu_list[i-1], klu)
			
			#if klu.pattern != Chan_KLU_PATTERN.UNKNOWN:
				#print(klu.time, klu.pattern, klu.lower_shadow_ratio, klu.upper_shadow_ratio, klu.body_ratio, klu.lower_shadow_ratio/klu.body_ratio, klu.upper_shadow_ratio/klu.body_ratio)
		return klu_list
	
	def _detect_single_reversal_pattern(self, klu):
		"""检测单根K线反转模式"""
		body = abs(klu.close - klu.open)
		upper_shadow = klu.high - max(klu.close, klu.open)
		lower_shadow = min(klu.close, klu.open) - klu.low
		total_range = klu.high - klu.low
		
		# 避免除零
		if total_range == 0:
			return
		
		body_ratio = body / total_range
		upper_ratio = upper_shadow / total_range
		lower_ratio = lower_shadow / total_range
		#print(klu.time, upper_ratio, lower_ratio, body_ratio, upper_ratio/body_ratio, lower_ratio/body_ratio)
		# 避免body_ratio为0时的除零错误
		if body_ratio == 0:
			return
		# 锤子线/上吊线 - 反转信号
		if lower_ratio / body_ratio >= 2:
			# 锤子线：底部反转，需要前面一段
			if klu.close > klu.open and klu.pre:
				klu.set_pattern(Chan_KLU_PATTERN.HAMMER)  # 底部反转
			# 上吊线：顶部反转，需要前一根是上涨趋势
			elif klu.close < klu.open and klu.pre:
				klu.set_pattern(Chan_KLU_PATTERN.HANGING_MAN)  # 顶部反转
		
		# 倒锤子线/射击之星 - 反转信号
		elif upper_ratio / body_ratio >= 2:
			# 倒锤子线：底部反转，需要前一根是下跌趋势
			if klu.close > klu.open and klu.pre:
				klu.set_pattern(Chan_KLU_PATTERN.INVERTED_HAMMER)  # 底部反转
			# 射击之星：顶部反转，需要前一根是上涨趋势
			elif klu.close < klu.open and klu.pre:
				klu.set_pattern(Chan_KLU_PATTERN.SHOOTING_STAR)  # 顶部反转
		
		# 十字星 - 反转信号
		elif body_ratio <= 0.1:
			if upper_ratio > 0.4 and lower_ratio > 0.4:
				klu.set_pattern(Chan_KLU_PATTERN.LONG_LEGGED_DOJI)  # 强烈反转信号
			elif upper_ratio > 0.4 and lower_ratio <= 0.1:
				# 墓碑十字星：顶部反转，需要前一根是上涨趋势
				if klu.pre and klu.pre.close > klu.pre.open:
					klu.set_pattern(Chan_KLU_PATTERN.GRAVESTONE_DOJI)  # 顶部反转
			elif lower_ratio > 0.4 and upper_ratio <= 0.1:
				# 蜻蜓十字星：底部反转，需要前一根是下跌趋势
				if klu.pre and klu.pre.close < klu.pre.open:
					klu.set_pattern(Chan_KLU_PATTERN.DRAGONFLY_DOJI)  # 底部反转
			else:
				klu.set_pattern(Chan_KLU_PATTERN.DOJI)  # 一般反转信号
	
	def _detect_double_pattern(self, prev_klu, curr_klu):
		"""检测两根K线形成的形态
		包括：吞没形态(看涨/看跌)、乌云盖顶、曙光初现
		"""
		# 如果前一根K线已经有形态，不再识别双K线形态
		if prev_klu.pattern != Chan_KLU_PATTERN.UNKNOWN:
			return
		
		# 计算K线实体
		prev_body = abs(prev_klu.close - prev_klu.open)
		curr_body = abs(curr_klu.close - curr_klu.open)
		
		# 判断K线颜色（阴阳）
		prev_bullish = prev_klu.close > prev_klu.open
		curr_bullish = curr_klu.close > curr_klu.open
		
		# 检查是否存在长期趋势（至少需要5根K线的趋势）
		def check_long_trend(klu, bullish_trend=True, min_bars=5):
			"""检查是否存在长期趋势
			bullish_trend=True: 检查上涨趋势
			bullish_trend=False: 检查下跌趋势
			min_bars: 最少需要多少根K线形成趋势
			"""
			if not klu or not klu.pre:
				return False
			return True
				
			# 使用EMA指标判断长期趋势
			if klu.ema52 > 0:
				if bullish_trend and klu.close < klu.ema52:
					return False
				if not bullish_trend and klu.close > klu.ema52:
					return False
			
			# 检查连续的K线方向
			count = 0
			current = klu.pre
			
			while current and count < min_bars:
				if not current.pre:
					break
					
				if bullish_trend:
					# 上涨趋势：当前收盘价高于前一根收盘价
					if current.close <= current.pre.close:
						break
				else:
					# 下跌趋势：当前收盘价低于前一根收盘价
					if current.close >= current.pre.close:
						break
						
				count += 1
				current = current.pre
				
			return count >= min_bars
		
		# 1. 看涨吞没形态：前阴后阳，后者完全吞没前者
		# 要求前面有明显的下跌趋势
		if not prev_bullish and curr_bullish and \
		   abs(curr_klu.open - prev_klu.close) < 10 and \
		   curr_klu.close > prev_klu.open and \
		   check_long_trend(prev_klu, bullish_trend=False, min_bars=5):
			curr_klu.set_pattern(Chan_KLU_PATTERN.BULLISH_ENGULFING)
			return
		
		# 2. 看跌吞没形态：前阳后阴，后者完全吞没前者
		# 要求前面有明显的上涨趋势
		if prev_bullish and not curr_bullish and \
		   abs(curr_klu.open - prev_klu.close) < 10 and \
		   curr_klu.close < prev_klu.open and \
		   check_long_trend(prev_klu, bullish_trend=True, min_bars=5):
			curr_klu.set_pattern(Chan_KLU_PATTERN.BEARISH_ENGULFING)
			return
		
		# 3. 乌云盖顶：前阳后阴，后者开盘价高于前者最高价，收盘价在前者实体中部以下
		# 要求前面有明显的上涨趋势
		if prev_bullish and not curr_bullish and \
		   curr_klu.open > prev_klu.high and \
		   curr_klu.close < (prev_klu.open + prev_klu.close) / 2 and \
		   curr_klu.close > prev_klu.open and \
		   check_long_trend(prev_klu, bullish_trend=True, min_bars=5):
			curr_klu.set_pattern(Chan_KLU_PATTERN.DARK_CLOUD_COVER)
			return
		
		# 4. 曙光初现：前阴后阳，后者开盘价低于前者最低价，收盘价在前者实体中部以上
		# 要求前面有明显的下跌趋势
		if not prev_bullish and curr_bullish and \
		   curr_klu.open < prev_klu.low and \
		   curr_klu.close > (prev_klu.open + prev_klu.close) / 2 and \
		   curr_klu.close < prev_klu.open and \
		   check_long_trend(prev_klu, bullish_trend=False, min_bars=5):
			curr_klu.set_pattern(Chan_KLU_PATTERN.PIERCING_LINE)
			return
		
		# 平顶和平底移至三根K线形态中判断

	def _detect_triple_pattern(self, first_klu, second_klu, third_klu):
		"""检测三根K线形成的形态
		包括：早晨之星、黄昏之星、平顶、平底
		"""
		# 如果前两根K线已经有形态，不再识别三K线形态
		if first_klu.pattern != Chan_KLU_PATTERN.UNKNOWN or \
		   second_klu.pattern != Chan_KLU_PATTERN.UNKNOWN:
			return
		
		# 判断K线颜色（阴阳）
		first_bullish = first_klu.close > first_klu.open
		second_bullish = second_klu.close > second_klu.open
		third_bullish = third_klu.close > third_klu.open
		
		# 计算实体大小
		first_body = abs(first_klu.close - first_klu.open)
		second_body = abs(second_klu.close - second_klu.open)
		third_body = abs(third_klu.close - third_klu.open)
		
		# 检查是否存在长期趋势（至少需要5根K线的趋势）
		def check_long_trend(klu, bullish_trend=True, min_bars=5):
			"""检查是否存在长期趋势
			bullish_trend=True: 检查上涨趋势
			bullish_trend=False: 检查下跌趋势
			min_bars: 最少需要多少根K线形成趋势
			"""
			if not klu or not klu.pre:
				return False
				
			# 使用EMA指标判断长期趋势
			if klu.ema52 > 0:
				if bullish_trend and klu.close < klu.ema52:
					return False
				if not bullish_trend and klu.close > klu.ema52:
					return False
			
			# 检查连续的K线方向
			count = 0
			current = klu.pre
			
			while current and count < min_bars:
				if not current.pre:
					break
					
				if bullish_trend:
					# 上涨趋势：当前收盘价高于前一根收盘价
					if current.close <= current.pre.close:
						break
				else:
					# 下跌趋势：当前收盘价低于前一根收盘价
					if current.close >= current.pre.close:
						break
						
				count += 1
				current = current.pre
				
			return count >= min_bars
		
		# 1. 早晨之星：第一根阴线，第二根十字星或小实体，第三根阳线
		# 要求前面有明显的下跌趋势
		if not first_bullish and third_bullish and \
		   second_body < first_body * 0.3 and \
		   third_body > first_body * 0.5 and \
		   max(second_klu.open, second_klu.close) < first_klu.close and \
		   min(second_klu.open, second_klu.close) < third_klu.open and \
		   third_klu.close > (first_klu.open + first_klu.close) / 2 and \
		   check_long_trend(first_klu, bullish_trend=False, min_bars=7):
			third_klu.set_pattern(Chan_KLU_PATTERN.MORNING_STAR)
			return
		
		# 2. 黄昏之星：第一根阳线，第二根十字星或小实体，第三根阴线
		# 要求前面有明显的上涨趋势
		if first_bullish and not third_bullish and \
		   second_body < first_body * 0.3 and \
		   third_body > first_body * 0.5 and \
		   min(second_klu.open, second_klu.close) > first_klu.close and \
		   max(second_klu.open, second_klu.close) > third_klu.open and \
		   third_klu.close < (first_klu.open + first_klu.close) / 2 and \
		   check_long_trend(first_klu, bullish_trend=True, min_bars=7):
			third_klu.set_pattern(Chan_KLU_PATTERN.EVENING_STAR)
			return
			
		# 3. 平顶：三根K线的最高点几乎相同（上升趋势中更有意义）
		# 要求前面有明显的上涨趋势
		if (abs(first_klu.high - second_klu.high) / first_klu.high < 0.0002 and 
			abs(second_klu.high - third_klu.high) / second_klu.high < 0.0002 and
			check_long_trend(first_klu, bullish_trend=True, min_bars=7)):
			# 额外确认：价格接近阻力位或关键技术指标
			is_near_resistance = False
			
			# 检查是否接近EMA52阻力位
			if first_klu.ema52 > 0:
				resistance_level = first_klu.ema52
				if abs(first_klu.high - resistance_level) / resistance_level < 0.01:
					is_near_resistance = True
			
			# 检查是否有成交量确认（成交量减少表示上涨动能减弱）
			volume_confirmation = False
			if (first_klu.volume > 0 and second_klu.volume > 0 and third_klu.volume > 0 and
				third_klu.volume < second_klu.volume and second_klu.volume < first_klu.volume):
				volume_confirmation = True
				
			if is_near_resistance or volume_confirmation:
				third_klu.set_pattern(Chan_KLU_PATTERN.TWEEZER_TOP)
				return
		
		# 4. 平底：三根K线的最低点几乎相同（下降趋势中更有意义）
		# 要求前面有明显的下跌趋势
		if (abs(first_klu.low - second_klu.low) / first_klu.low < 0.0002 and 
			abs(second_klu.low - third_klu.low) / second_klu.low < 0.0002 and
			check_long_trend(first_klu, bullish_trend=False, min_bars=7)):
			# 额外确认：价格接近支撑位或关键技术指标
			is_near_support = False
			
			# 检查是否接近EMA52支撑位
			if first_klu.ema52 > 0:
				support_level = first_klu.ema52
				if abs(first_klu.low - support_level) / support_level < 0.01:
					is_near_support = True
			
			# 检查是否有成交量确认（成交量减少表示下跌动能减弱）
			volume_confirmation = False
			if (first_klu.volume > 0 and second_klu.volume > 0 and third_klu.volume > 0 and
				third_klu.volume < second_klu.volume and second_klu.volume < first_klu.volume):
				volume_confirmation = True
				
			if is_near_support or volume_confirmation:
				third_klu.set_pattern(Chan_KLU_PATTERN.TWEEZER_BOTTOM)
				return
	
	def get_decimal(self, value):
		return Decimal("{:.2f}".format(value))