'''
成交进度
'''

# 买入队列
import itertools
import json

import constant
from db import redis_manager
import tool
import l2.l2_data_util
from log import logger_l2_trade_buy_queue


class TradeBuyQueue:
    __redis_manager = redis_manager.RedisManager(0)

    def __init__(self):
        self.last_buy_queue_data = {}

    def __getRedis(self):
        return self.__redis_manager.getRedis()

    def __save_buy_queue_data(self, code, num_list):
        key = "trade_buy_queue_data-{}".format(code)
        self.__getRedis().setex(key, tool.get_expire(), json.dumps((num_list, tool.get_now_time_str())))

    # 返回数据与更新时间
    def __get_buy_queue_data(self, code):
        key = "trade_buy_queue_data-{}".format(code)
        val = self.__getRedis().get(key)
        if val is None:
            return None, None
        val = json.loads(val)
        return val[0], [1]

    def __save_buy_progress_index(self, code, index, is_default):
        key = "trade_buy_progress_index-{}".format(code)
        self.__getRedis().setex(key, tool.get_expire(), json.dumps((index, is_default)))
        # 返回数据与更新时间

    def __get_buy_progress_index(self, code):
        key = "trade_buy_progress_index-{}".format(code)
        val = self.__getRedis().get(key)
        if val is None:
            return None, True
        val = json.loads(val)
        return int(val[0]), bool(val[1])

    # 最近的非涨停买1的时间
    def __save_latest_not_limit_up_time(self, code, time_str):
        key = "latest_not_limit_up_time-{}".format(code)
        self.__getRedis().setex(key, tool.get_expire(), time_str)

    def __get_latest_not_limit_up_time(self, code):
        key = "latest_not_limit_up_time-{}".format(code)
        self.__getRedis().get(key)

    # 保存数据,返回保存数据的条数
    def save(self, code, limit_up_price, buy_1_price, buy_1_time, queues):
        # 如果买1不为涨停价就不需要保存
        if queues == self.last_buy_queue_data.get(code):
            return None
        if abs(float(buy_1_price) - float(limit_up_price)) >= 0.01:
            # 保存最近的涨停起始时间
            self.__save_latest_not_limit_up_time(code, buy_1_time)
            return None

        self.last_buy_queue_data[code] = queues
        min_num = round(constant.L2_MIN_MONEY / (limit_up_price * 100))
        num_list = []
        # 忽略第一条数据
        for i in range(1, len(queues)):
            num = queues[i]
            if num > min_num:
                num_list.append(num)
        # 保存列表
        self.__save_buy_queue_data(code, num_list)
        return num_list

    # 保存成交索引
    def compute_traded_index(self, code, buy1_price, buyQueueBig):
        total_datas = l2.l2_data_util.local_today_datas.get(code)
        today_num_operate_map = l2.l2_data_util.local_today_num_operate_map.get(code)
        index = None
        for i in range(0, len(buyQueueBig)):
            buyQueueBigTemp = buyQueueBig[i:]
            if i > 0 and len(buyQueueBigTemp) < 2:
                # 已经执行过一次，且数据量小于2条就终止计算
                break

            last_index, is_default = self.get_traded_index(code)

            c_last_index = 0
            if not is_default and last_index is not None:
                c_last_index = last_index
            # 如果是3个/4个数据找不到就调整顺序
            fbuyQueueBigTempList = []
            if 3 <= len(buyQueueBigTemp) <= 4:
                buyQueueBigTempList = itertools.permutations(buyQueueBigTemp, len(buyQueueBigTemp))
                for tempQueue in buyQueueBigTempList:
                    if list(tempQueue) != buyQueueBigTemp:
                        fbuyQueueBigTempList.append(tempQueue)
            fbuyQueueBigTempList.insert(0, buyQueueBigTemp)
            for temp in fbuyQueueBigTempList:
                try:
                    index = l2.l2_data_util.L2TradeQueueUtils.find_traded_progress_index(buy1_price, total_datas,
                                                                                         today_num_operate_map,
                                                                                         temp,
                                                                                         c_last_index,
                                                                                         self.__get_latest_not_limit_up_time(
                                                                                             code))
                    if index is not None:
                        break
                except:
                    pass
            if index is not None:
                break

        if index is not None:
            logger_l2_trade_buy_queue.info(f"确定交易进度：code-{code} index-{index}")
            # 保存成交进度
            # self.__save_buy_progress_index(code, index, False)
            return index
        return index

    # 获取成交进度索引
    def get_traded_index(self, code):
        index, is_default = self.__get_buy_progress_index(code)
        return index, is_default

    def set_default_traded_index(self, code, index):
        self.__save_buy_progress_index(code, index, True)

    def set_traded_index(self, code, index):
        self.__save_buy_progress_index(code, index, False)


if __name__ == '__main':
    pass