"""日志审计存储层：全链路操作/注册注销/通信记录。"""
import time

import redis.asyncio as aioredis

from app.models.schemas import LogEntry

LOG_KEY = "log:audit"
LOG_MAX = 2000


class LogRepo:
    def __init__(self, redis: aioredis.Redis):
        self.redis = redis

    async def append(
        self,
        message: str,
        *,
        level: str = "info",
        source: str = "gateway",
        scope: str = "system",
        request_id: str | None = None,
        agent_id: str | None = None,
    ) -> None:
        entry = LogEntry(
            level=level,
            source=source,
            scope=scope,
            request_id=request_id,
            agent_id=agent_id,
            message=message,
        )
        await self.redis.lpush(LOG_KEY, entry.model_dump_json())
        await self.redis.ltrim(LOG_KEY, 0, LOG_MAX - 1)

    async def list(self, limit: int = 200, request_id: str | None = None, agent_id: str | None = None) -> list[LogEntry]:
        raw = await self.redis.lrange(LOG_KEY, 0, limit - 1)
        out = []
        for item in raw:
            try:
                entry = LogEntry.model_validate_json(item)
            except Exception:
                continue
            if request_id and entry.request_id != request_id:
                continue
            if agent_id and entry.agent_id != agent_id:
                continue
            out.append(entry)
        return out