from datetime import datetime
from typing import Dict, List, Any

import pandas as pd

from helper.MySQLHelper import MySQLHelper
from util import feishu_inform_util

fei_shu_webhook = "https://open.feishu.cn/open-apis/bot/v2/hook/c09712a8-22cd-4bfa-93a5-30ae7b1db11b"

mysql_helper = MySQLHelper(
    host="rm-t4na9qj85v7790tf84o.mysql.singapore.rds.aliyuncs.com",
    username="readonly",
    password="HdkZ4TDmeK6SQ3BRtJBk",
    database="aigc-admin-prod"
)


def build_card_join(content: str):
    return {
        "schema": "2.0",
        "header": {
            "title": {
                "content": "任务执行步骤统计"
            },
            "template": "green",
        },
        "body": {
            "elements": [
                {
                    "tag": "markdown",
                    "element_id": "detail",
                    "margin": "0px 0px 0px 0px",
                    "content": content,
                    "text_size": "normal",
                    "text_align": "left"
                }
            ]
        }
    }


def df_to_markdown_table(df: pd.DataFrame) -> str:
    """将DataFrame转换为标准Markdown表格字符串"""
    headers = list(df.columns)
    str_rows = df.astype(str).values

    col_widths = []
    for i, h in enumerate(headers):
        max_w = len(str(h))
        for row in str_rows:
            max_w = max(max_w, len(str(row[i])))
        col_widths.append(max_w)

    def _row(values):
        cells = [str(v).ljust(col_widths[i]) for i, v in enumerate(values)]
        return '| ' + ' | '.join(cells) + ' |'

    sep = '| ' + ' | '.join('-' * w for w in col_widths) + ' |'
    lines = [_row(headers), sep]
    for row in str_rows:
        lines.append(_row(row))
    return '\n'.join(lines)


def task_exe_step_stat(ts: int) -> List[Dict[str, Any]]:
    sql = f'''
select step_name AS "步骤名称",
       status    as '执行状态',
       error_msg as '错误原因',
       count(1)  AS '个数'
from (
         select step_name,
                case
                    when status = 0 then '初始化'
                    when status = 1 then '运行中'
                    when status = 2 then '成功'
                    when status = 3 then '失败'
                    else '未知' end AS status,
                case
                    when error_msg like '%Data too long%' then '数据超过字段长度限制'
                    when error_msg like '%Deadlock%' then '数据库死锁'
                    when (error_msg = '' or error_msg is null) then ''
                    else substring_index(error_msg, ',', 1)
                    end             AS error_msg
         from supply_workflow_task_exe_step
         where create_timestamp >= {ts} 
     ) as t
group by step_name, status, error_msg
'''
    return mysql_helper.execute_query(sql)


def main():
    today_midnight = datetime.now().replace(hour=0, minute=0, second=0, microsecond=0)
    timestamp_ms = int(today_midnight.timestamp() * 1000)
    stat = task_exe_step_stat(timestamp_ms)
    df = pd.DataFrame(stat)

    print("当日任务步骤执行统计")

    msg = df_to_markdown_table(df)

    feishu_inform_util.send_card_msg_to_feishu(
        webhook=fei_shu_webhook,
        card_json=build_card_join(msg)
    )


if __name__ == '__main__':
    main()