import json
import time

from applications.crawler.wechat import get_gzh_stat_daily
from applications.crawler.wechat import get_access_token


class ArticleDetailStatConst:

    # Task Status
    INIT_STATUS = 0
    PROCESSING_STATUS = 1
    SUCCESS_STATUS = 2
    FAILED_STATUS = 99

    # Account Status
    ACCOUNT_VALID_STATUS = 1
    ACCOUNT_INVALID_STATUS = 0

    # Cookie Status
    COOKIE_VALID_STATUS = 1
    COOKIE_INVALID_STATUS = 0


class ArticleDetailStatMapper(ArticleDetailStatConst):

    def __init__(self, pool, log_client):
        self.pool = pool
        self.log_client = log_client

    # 获取账号信息
    async def fetch_monitor_accounts(self):
        query = """
            SELECT gh_id, account_name, app_id, app_secret 
            FROM gzh_account_info WHERE status = %s;
        """
        return await self.pool.async_fetch(query=query, params=(self.ACCOUNT_VALID_STATUS, ))

    # 更新 access_token
    async def set_access_token_for_each_account(self, gh_id, access_token, expire_timestamp):
        query = """
            UPDATE gzh_cookie_info 
            SET access_token = %s, access_token_status = %s, expire_timestamp = %s
            WHERE gh_id = %s;
        """
        return await self.pool.async_save(
            query=query, params=(access_token, self.COOKIE_VALID_STATUS, expire_timestamp, gh_id)
        )

    # 从数据库获取 access_token
    async def get_access_token_from_database(self, gh_id):
        query = """
            SELECT access_token, expire_timestamp FROM gzh_cookie_info where gh_id = %s;
        """
        return await self.pool.async_fetch(query=query, params=(gh_id, ))


class ArticleDetailStat(ArticleDetailStatMapper):
    def __init__(self, pool, log_client):
        super().__init__(pool, log_client)

    # 处理单个账号
    async def process_single_account(self, account: dict):
        gh_id = account["gh_id"]
        token_info = await self.get_access_token_from_database(gh_id)
        if not token_info:
            return

        expire_timestamp = token_info[0]["expire_timestamp"] or 0
        if int(time.time()) >= expire_timestamp:
            print(f"{account['account_name']} access_token expired")
            new_token_info = await get_access_token(account["app_id"], account["app_secret"])
            print(json.dumps(new_token_info, indent=4))


    # 入口函数
    async def deal(self):
        accounts = await self.fetch_monitor_accounts()
        for account in accounts[:1]:
            await self.process_single_account(account)