from ChanEnum import Chan_MACDHISTSET_DIR, Chan_MACDUNITTF_DIV

class ChanMACDHistSet():
    def __init__(self, index, start_time, start_klu, pre_histset, dir):
        self.index = index
        self.start_time = start_time
        self.end_time = None
        self.klu_list = []
        self.klu_list.append(start_klu)
        self.histset_dir = dir
        self.next = None
        self.pre = pre_histset
        self.peak_klu = None
        self.area = start_klu.macdhist
        self.unittf_div = Chan_MACDUNITTF_DIV.UNDIV
        self.middle_klu = None
        self.div_count = 0
        self.last_klu = start_klu
        self.start_klu = start_klu
        self.peak_div_list = []
        self.middle_area = 0
    def set_next(self, next_histset):
        self.next = next_histset
    def set_pre(self, pre_histset):
        self.pre = pre_histset
    def set_middle_klu(self, middle_klu):
        #self.middle_klu = middle_klu
        #self.middle_area = abs(middle_klu.macdhist)
        self.middle_klu = None
    def set_unittf_div(self, unittf_div):
        self.unittf_div = unittf_div
    def add_klu(self, klu):
        klu.set_histset(self)
        self.klu_list.append(klu)
        self.area += abs(klu.macdhist)
        if self.middle_klu:
            self.middle_area += abs(klu.macdhist)
        if self.middle_klu and self.middle_klu.index + 1 == klu.index:
            self.low_klu = None
            self.peak_klu = None
            self.div_count = 0
            self.peak_div_list = []
        else:
            if self.last_klu:
                self.cal_macdhist_klu(klu)
        self.last_klu = klu
    def cal_macdhist_klu(self, klu):
        if self.middle_klu:
            if klu.index >= self.middle_klu.index + 2:
                if klu.pre.pre:
                    if abs(klu.pre.macdhist) > abs(klu.pre.pre.macdhist) and abs(klu.pre.macdhist) > abs(klu.macdhist):
                        if self.peak_klu:
                            if abs(klu.pre.macdhist) > abs(self.peak_klu.macdhist):
                                self.peak_klu = klu.pre
                                self.div_count = 0
                                self.peak_div_list = []
                            else:
                                self.peak_div_list.append(klu.pre)
                                self.div_count += 1
                        else:
                            self.peak_klu = klu.pre
        else:
            if len(self.klu_list) >= 3:
                if klu.pre.pre:
                    if abs(klu.pre.macdhist) > abs(klu.pre.pre.macdhist) and abs(klu.pre.macdhist) > abs(klu.macdhist):
                        if self.peak_klu:
                            if abs(klu.pre.macdhist) > abs(self.peak_klu.macdhist):
                                self.peak_klu = klu.pre
                                self.div_count = 0
                                self.peak_div_list = []
                            else:
                                self.peak_div_list.append(klu.pre)
                                self.div_count += 1
                        else:
                            self.peak_klu = klu.pre
    def set_end_klu(self, end_klu):
        self.end_klu = end_klu
        self.end_time = end_klu.time
        if len(self.peak_div_list) > 0:
            klu = self.peak_div_list[-1]
            if klu.macd * klu.macdhist > 0:
                klu.continue_div = True
        if self.start_klu.index == end_klu.index:
            self.peak_klu = self.start_klu
        if self.start_klu.index + 1 == end_klu.index:
            if abs(self.start_klu.macdhist) > abs(end_klu.macdhist):
                self.peak_klu = self.start_klu
            else:
                self.peak_klu = end_klu
        if self.start_klu.index + 2 == end_klu.index:
            peak = self.klu_list[0]
            for klu in self.klu_list:
                if abs(klu.macdhist) > abs(peak.macdhist):
                    peak = klu
            self.peak_klu = peak
        peak_str = ""
        for peak_div in self.peak_div_list:
            peak_str += f"{peak_div.time}, "
        #if self.peak_klu and len(self.peak_div_list) > 0:
            #print("Continue Div: ",self.start_time, "Peak:", self.peak_klu.time, "Div: ", peak_str, self.histset_dir, self.div_count)