"""请求日志管理 API（admin）：/admin/api/request-log

- GET    /admin/api/request-log            列表（摘要，含筛选）
- GET    /admin/api/request-log/{id}       详情（含完整 body/headers）
- DELETE /admin/api/request-log/{id}       删除单条
- DELETE /admin/api/request-log            清空全部
- GET    /admin/api/request-log/stats      统计
- GET    /admin/api/request-log/settings   读取容量配置
- PUT    /admin/api/request-log/settings   设置容量配置
- GET    /admin/api/request-log/devices    设备列表（聚合统计）
- GET    /admin/api/request-log/devices/{device_id}  某设备最近请求（简化视图）
"""
from __future__ import annotations

from typing import Optional

from fastapi import APIRouter, Body, Depends, Query

from ..errors import HttpError
from ..services import request_log_store
from ._common import ok_with_cors
from .admin import _require_admin

router = APIRouter(prefix="/admin/api/request-log", tags=["request-log"])


@router.get("")
async def list_records(
    _admin: str = Depends(_require_admin),
    limit: int = Query(default=50, ge=1, le=500),
    offset: int = Query(default=0, ge=0),
    path: Optional[str] = Query(default=None),
    method: Optional[str] = Query(default=None),
    status: Optional[str] = Query(default=None),
    access_key: Optional[str] = Query(default=None),
    ok: Optional[int] = Query(default=None, ge=0, le=1),
    hours: Optional[int] = Query(default=None, ge=1, le=720),
    keyword: Optional[str] = Query(default=None),
    category: Optional[str] = Query(default="business"),
    device_id: Optional[str] = Query(default=None),
):
    result = request_log_store.list_records(
        limit=limit, offset=offset,
        path=path, method=method, status=status,
        access_key=access_key,
        ok=bool(ok) if ok is not None else None,
        hours=hours, keyword=keyword, category=category,
        device_id=device_id,
    )
    return ok_with_cors(result)


@router.get("/stats")
async def stats(
    _admin: str = Depends(_require_admin),
    hours: int = Query(default=24, ge=1, le=720),
    category: Optional[str] = Query(default="business"),
):
    return ok_with_cors(request_log_store.stats(hours=hours, category=category))


@router.get("/settings")
async def get_settings(_admin: str = Depends(_require_admin)):
    return ok_with_cors({"limit": request_log_store.get_limit()})


@router.put("/settings")
async def put_settings(
    body: dict = Body(default={}),
    _admin: str = Depends(_require_admin),
):
    limit = body.get("limit")
    if limit is None:
        raise HttpError("limit is required", status=400, code="bad_request")
    new_limit = request_log_store.set_limit(int(limit))
    return ok_with_cors({"limit": new_limit})


@router.get("/devices")
async def list_devices(
    _admin: str = Depends(_require_admin),
    hours: Optional[int] = Query(default=None, ge=1, le=720),
    limit: int = Query(default=100, ge=1, le=500),
    offset: int = Query(default=0, ge=0),
    keyword: Optional[str] = Query(default=None),
):
    """按 device_id 聚合的设备列表（含统计与最近活跃信息）。"""
    return ok_with_cors(
        request_log_store.list_devices(
            hours=hours, limit=limit, offset=offset, keyword=keyword,
        )
    )


@router.get("/devices/{device_id}")
async def device_records(
    device_id: str,
    _admin: str = Depends(_require_admin),
    limit: int = Query(default=50, ge=1, le=200),
    offset: int = Query(default=0, ge=0),
    hours: Optional[int] = Query(default=None, ge=1, le=720),
    keyword: Optional[str] = Query(default=None),
    scope: Optional[str] = Query(default=None),
):
    """某设备的最近请求记录（简化视图：含从请求体提取的文本摘要）。

    keyword: 关键词，在 request_body / response_body 上 LIKE 搜索。
    scope:   'req' 仅请求、'resp' 仅响应、'both' 或空 两者都搜。
    """
    return ok_with_cors(
        request_log_store.list_device_records(
            device_id=device_id, limit=limit, offset=offset, hours=hours,
            keyword=keyword, scope=scope,
        )
    )


@router.delete("/devices/{device_id}")
async def clear_device_records(
    device_id: str,
    _admin: str = Depends(_require_admin),
):
    """清空某设备的全部请求记录。"""
    count = request_log_store.clear_device_records(device_id)
    return ok_with_cors({"cleared": count, "device_id": device_id})


@router.get("/{rid}")
async def get_record(
    rid: int,
    _admin: str = Depends(_require_admin),
):
    rec = request_log_store.get_record(rid)
    if not rec:
        raise HttpError(f"request log not found: {rid}", status=404, code="not_found")
    return ok_with_cors({"record": rec})


@router.delete("/{rid}")
async def delete_record(
    rid: int,
    _admin: str = Depends(_require_admin),
):
    ok = request_log_store.delete_record(rid)
    if not ok:
        raise HttpError(f"request log not found: {rid}", status=404, code="not_found")
    return ok_with_cors({"deleted": True, "id": rid})


@router.delete("")
async def clear_all(_admin: str = Depends(_require_admin)):
    count = request_log_store.clear_all()
    return ok_with_cors({"cleared": count})