import json

from datetime import datetime, timedelta
from applications.api import feishu_sheet, feishu_robot


class LimitedAccountAnalysisConst:
    FIRST_POSITION = 1
    LIMIT_THRESHOLD = 0.2
    LIMIT_READ_AVG = 100

    TABLE_ID = "MqkxwleLFiNOwHkU3crcXpWlnfe"
    DETAIL_SHEET_ID = "6fa679"
    SUMMARY_SHEET_ID = "uvli3P"


class LimitedAccountAnalysisTask(LimitedAccountAnalysisConst):
    def __init__(self, pool, log_client):
        self.pool = pool
        self.log_client = log_client

    async def get_limited_account_detail(self, date_str):
        query = """
            SELECT  date_str, 
                    COALESCE(account_mode, '公众号投流') AS account_mode,
                    account_source, account_name,
                    fans, title, view_count, avg_view_count
            FROM datastat_sort_strategy
            WHERE date_str =  %s AND position = %s AND read_rate < %s AND avg_view_count >= %s;
        """
        account_detail = await self.pool.async_fetch(
            query=query,
            params=(
                date_str,
                self.FIRST_POSITION,
                self.LIMIT_THRESHOLD,
                self.LIMIT_READ_AVG,
            ),
        )
        return account_detail

    async def get_limited_account_summary(self, date_str):
        query = """
            SELECT
                date_str,
                COALESCE(account_mode, '公众号投流') AS account_mode_label,
                CAST(
                    SUM(
                        CASE
                            WHEN IFNULL(read_rate, 0) < %s THEN fans
                            ELSE 0
                        END
                    ) AS SIGNED
                ) AS limit_fans,
                CAST(SUM(fans) AS SIGNED) AS total_fans
            FROM datastat_sort_strategy
            WHERE position = %s AND date_str = %s
            GROUP BY
                date_str,
                COALESCE(account_mode, '公众号投流');
        """
        account_summary = await self.pool.async_fetch(
            query=query, params=(self.LIMIT_THRESHOLD, self.FIRST_POSITION, date_str)
        )
        return account_summary

    async def insert_into_detail_table(self, detail_data):
        insert_array = []
        for row in detail_data:
            insert_array.append(
                [
                    row["date_str"],
                    row["account_mode"],
                    row["account_source"],
                    row["account_name"],
                    row["fans"],
                    row["title"],
                    row["view_count"],
                    row["avg_view_count"],
                ]
            )
        await feishu_sheet.fetch_token()
        await feishu_sheet.prepend_value(
            sheet_token=self.TABLE_ID,
            sheet_id=self.DETAIL_SHEET_ID,
            ranges=f"A2:H{2 + len(detail_data)}",
            values=insert_array,
        )

    async def insert_into_summary_table(self, summary_data):
        insert_array = []
        for row in summary_data:
            insert_array.append(
                [
                    row["date_str"],
                    row["account_mode_label"],
                    row["limit_fans"],
                    row["total_fans"],
                ]
            )
        await feishu_sheet.fetch_token()
        await feishu_sheet.prepend_value(
            sheet_token=self.TABLE_ID,
            sheet_id=self.SUMMARY_SHEET_ID,
            ranges=f"A2:E{2 + len(summary_data)}",
            values=insert_array,
        )

    async def deal(self, date_string: str = None) -> None:
        """处理受限账号分析任务

        Args:
            date_string: 日期字符串，格式为YYYYMMDD、YYYY-MM-DD或YYYY/MM/DD
        """
        # 如果没有提供日期，默认使用昨天
        if not date_string:
            date_string = (datetime.now() - timedelta(days=1)).strftime("%Y%m%d")

        # 统一日期格式为YYYYMMDD
        date_string = date_string.replace("-", "").replace("/", "")

        # 验证日期格式
        if len(date_string) != 8 or not date_string.isdigit():
            raise ValueError(f"无效的日期格式: {date_string}，请使用YYYYMMDD格式")

        try:
            detail_data = await self.get_limited_account_detail(date_str=date_string)
            summary_data = await self.get_limited_account_summary(date_str=date_string)

            # 如果有数据才打印，避免空数据输出
            if detail_data:
                await self.insert_into_detail_table(detail_data)
            else:
                print(f"在 {date_string} 没有找到受限账号数据")

            if summary_data:
                await self.insert_into_summary_table(summary_data)
            else:
                print(f"在 {date_string} 没有找到受限账号摘要数据")
        except Exception as e:
            print(f"处理受限账号分析时出错: {e}")
            raise