from ChanEnum import Chan_MACD_STATE, Chan_MACDUNITTF_DIR, Chan_MACDHISTSET_DIR, Chan_MACDUNITTF_DIV


class ChanMACDUnitTF():
    def __init__(self, index, start_time, start_klu, pre_unittf, dir, start_type, start_histset):
        self.index = index
        self.start_time = start_time
        self.end_time = None
        self.start_klu = start_klu
        self.end_klu = None
        self.klu_list = []
        self.klu_list.append(start_klu)
        self.histset_list = []
        self.histset_list.append(start_histset)
        self.div_count = 0
        start_histset.set_middle_klu(start_klu)
        self.next = None
        self.pre = pre_unittf
        self.unittf_dir = dir
        self.start_type = start_type
        self.end_type = None
        self.peak_klu = None
        self.div_type = Chan_MACDUNITTF_DIV.UNDIV
        self.div_peak_list = []
        self.div_low_list = []
        self.rev_low_klu = None
    def set_next(self, next_unittf):
        self.next = next_unittf
    def add_histset(self, histset):
        self.histset_list.append(histset)
    def add_klu(self, klu):
        self.klu_list.append(klu)
        self.cal_peak_div()
    def cal_peak_div(self):
        self.div_count = 0
        self.div_peak_list = []
        self.div_low_list = []
        self.rev_low_klu = None
        self.peak_klu = None
        if len(self.histset_list) == 0:
            return
        if len(self.histset_list) == 1:
            self.div_type = self.histset_list[0].unittf_div
            self.peak_klu = self.histset_list[0].peak_klu
        else:
            for index in range(0, len(self.histset_list)):
                histset = self.histset_list[index]
                if self.same_dir(histset):
                    if self.peak_klu:
                        if histset.peak_klu and histset.end_time:
                            if abs(histset.peak_klu.macdhist) >= abs(self.peak_klu.macdhist):
                                self.peak_klu = histset.peak_klu
                                self.div_type = Chan_MACDUNITTF_DIV.UNDIV
                                self.div_count = 0
                            else:
                                self.div_type = Chan_MACDUNITTF_DIV.DISCRETE
                                self.div_count += 1
                                self.div_peak_list.append(histset.peak_klu)
                    else:
                        if histset.peak_klu:
                            self.peak_klu = histset.peak_klu
                else:
                    if self.rev_low_klu:
                        if histset.low_klu:
                           if abs(histset.low_klu.macdhist) < abs(self.rev_low_klu.macdhist):
                               self.rev_low_klu = histset.low_klu
                               self.div_low_list.append(histset.low_klu)
                    else:
                        if histset.low_klu:
                            self.rev_low_klu = histset.low_klu
                            self.div_low_list.append(histset.low_klu)
    def same_dir(self, histset):
        if self.unittf_dir == Chan_MACDUNITTF_DIR.ABOVE:
            return histset.histset_dir == Chan_MACDHISTSET_DIR.ABOVE
        else:
            return histset.histset_dir == Chan_MACDHISTSET_DIR.UNDER
    def set_end_klu(self, end_klu, end_type):
        self.add_klu(end_klu)
        self.end_type = end_type
        self.end_klu = end_klu
        self.end_time = end_klu.time
        div_time = ""
        for div in self.div_peak_list:
            div_time += f"{div.time}, "
        histset_time = ""
        for histset in self.histset_list:
            histset_time += f"{histset.start_time}, "
        
        if self.peak_klu:
            print(self.index, self.start_klu.time, self.peak_klu.time, self.div_count, self.div_type, div_time, len(self.histset_list))
        else:
            print(self.index, "None", len(self.histset_list))