from __future__ import annotations

import sys
import os
from collections import OrderedDict
import logging

import ccxt

_ROOT = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
if _ROOT not in sys.path:
	sys.path.append(_ROOT)

from config import MACD_FAST, MACD_SLOW, MACD_SIGNAL, ccxt_proxies
from services.cn_stock import ChinaStockData

logger = logging.getLogger(__name__)

class TRADE_POINT_TYPE:
	BUY1 = 1   # 一类买点
	BUY2 = 2   # 二类买点
	BUY3 = 3   # 三类买点
	SELL1 = -1  # 一类卖点
	SELL2 = -2  # 二类卖点
	SELL3 = -3  # 三类卖点



# mutable runtime state
macd_fast_period = MACD_FAST
macd_slow_period = MACD_SLOW
macd_signal_period = MACD_SIGNAL

_proxies = ccxt_proxies()
_exchange_kwargs = {"enableRateLimit": True}
if _proxies:
    _exchange_kwargs["proxies"] = _proxies
exchange = ccxt.binance(_exchange_kwargs)

china_stock = ChinaStockData()
_zone_cache = {}

DEFAULT_TIMEFRAME_LABELS = OrderedDict([
    ("1m", "1分钟"),
    ("3m", "3分钟"),
    ("5m", "5分钟"),
    ("15m", "15分钟"),
    ("30m", "30分钟"),
    ("45m", "45分钟"),
    ("1h", "1小时"),
    ("2h", "2小时"),
    ("4h", "4小时"),
    ("6h", "6小时"),
    ("8h", "8小时"),
    ("12h", "12小时"),
    ("1d", "日线"),
    ("3d", "3日线"),
    ("1w", "周线"),
    ("1M", "月线"),
])

DEFAULT_SYMBOLS = [
    'SOL/USDT:USDT', 'BTC/USDT:USDT', 'ETH/USDT:USDT', 'BNB/USDT:USDT', 'XRP/USDT:USDT', 'WIF/USDT:USDT',
    'ADA/USDT:USDT', 'DOGE/USDT:USDT', 'AVAX/USDT:USDT', 'DOT/USDT:USDT', 'MATIC/USDT:USDT'
]

TIMEFRAMES = DEFAULT_TIMEFRAME_LABELS.copy()
SYMBOLS = DEFAULT_SYMBOLS.copy()
DATA_SERVICE_AVAILABLE = False
SERVICE_METADATA_LAST_REFRESH = 0