# 是否在禁止交易代码中
from db import redis_manager
from db.redis_manager import RedisUtils
from utils import tool

__redis_manager = redis_manager.RedisManager(2)


class WhiteListCodeManager:
    __redis_manager = redis_manager.RedisManager(2)

    @classmethod
    def __get_redis(cls):
        return cls.__redis_manager.getRedis()

    @classmethod
    def add_code(cls, code):
        RedisUtils.sadd(cls.__get_redis(), "white_list_codes", code)
        RedisUtils.expire(cls.__get_redis(), "white_list_codes", tool.get_expire())

    @classmethod
    def remove_code(cls, code):
        RedisUtils.srem(cls.__get_redis(), "white_list_codes", code)

    @classmethod
    def is_in(cls, code):
        return RedisUtils.sismember(cls.__get_redis(), "white_list_codes", code)

    @classmethod
    def list_codes(cls):
        return RedisUtils.smembers(cls.__get_redis(), "white_list_codes")

    @classmethod
    def clear(cls):
        RedisUtils.delete(cls.__get_redis(), "white_list_codes")


class BlackListCodeManager:
    __instance = None

    def __new__(cls, *args, **kwargs):
        if not cls.__instance:
            cls.__instance = super(BlackListCodeManager, cls).__new__(cls, *args, **kwargs)
            # 初始化设置
            # 获取交易窗口的锁
            cls.__instance.__redis_manager = redis_manager.RedisManager(2)
            cls.__instance.__forbidden_trade_codes_cache = RedisUtils.smembers(cls.__instance.__get_redis(),
                                                                               "forbidden-trade-codes")

        return cls.__instance

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

    def add_code(self, code):
        self.__forbidden_trade_codes_cache.add(code)
        RedisUtils.sadd(self.__get_redis(), "forbidden-trade-codes", code)
        RedisUtils.expire(self.__get_redis(), "forbidden-trade-codes", tool.get_expire())

    def remove_code(self, code):
        self.__forbidden_trade_codes_cache.discard(code)
        RedisUtils.srem(self.__get_redis(), "forbidden-trade-codes", code)

    def is_in(self, code):
        return RedisUtils.sismember(self.__get_redis(), "forbidden-trade-codes", code)

    def is_in_cache(self, code):
        return code in self.__forbidden_trade_codes_cache

    def list_codes(self):
        codes = RedisUtils.smembers(self.__get_redis(), "forbidden-trade-codes")
        self.__forbidden_trade_codes_cache = codes
        return codes

    def clear(self):
        self.__forbidden_trade_codes_cache.clear()
        RedisUtils.delete(self.__get_redis(), "forbidden-trade-codes")


#  初始化禁止交易代码库
def init_forbidden_trade_codes():
    BlackListCodeManager().clear()
    BlackListCodeManager().add_code("000000")


# 移除禁止交易代码
def remove_from_forbidden_trade_codes(code):
    BlackListCodeManager().remove_code(code)


# 添加代码到禁止交易
def add_to_forbidden_trade_codes(code):
    BlackListCodeManager().add_code(code)


# 禁止代码交易
def forbidden_trade(code):
    add_to_forbidden_trade_codes(code)
    # l2_data_manager.remove_from_l2_fixed_codes(code)
    # l2_code_operate.L2CodeOperate.get_instance().remove_l2_listen(code, "禁止代码交易")


def is_in_forbidden_trade_codes(code):
    return BlackListCodeManager().is_in_cache(code)


if __name__ == "__main__":
    # add_to_forbidden_trade_codes("000977")
    WhiteListCodeManager.add_code("002977")