#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from backend.database.redis import redis_client
from backend.utils.server_info import server_info


class RedisInfo:
    @staticmethod
    async def get_info() -> dict[str, str]:
        """获取 Redis 服务器信息"""

        # 获取原始信息
        info = await redis_client.info()

        # 格式化信息
        fmt_info: dict[str, str] = {}
        for key, value in info.items():
            if isinstance(value, dict):
                # 将字典格式化为字符串
                fmt_info[key] = ','.join(f'{k}={v}' for k, v in value.items())
            else:
                fmt_info[key] = str(value)

        # 添加数据库大小信息
        db_size = await redis_client.dbsize()
        fmt_info['keys_num'] = str(db_size)

        # 格式化运行时间
        uptime = int(fmt_info.get('uptime_in_seconds', '0'))
        fmt_info['uptime_in_seconds'] = server_info.fmt_seconds(uptime)

        return fmt_info

    @staticmethod
    async def get_stats() -> list[dict[str, str]]:
        """获取 Redis 命令统计信息"""

        # 获取命令统计信息
        command_stats = await redis_client.info('commandstats')

        # 格式化统计信息
        stats_list: list[dict[str, str]] = []
        for key, value in command_stats.items():
            if not isinstance(value, dict):
                continue

            command_name = key.split('_')[-1]
            call_count = str(value.get('calls', '0'))
            stats_list.append({'name': command_name, 'value': call_count})

        return stats_list


redis_info: RedisInfo = RedisInfo()