"""审计台账路由（业务在 service/advisor/audit.py）。导出为 CSV 下载。"""
from datetime import datetime

from fastapi import APIRouter, Depends, Query
from fastapi.responses import Response
from sqlalchemy.ext.asyncio import AsyncSession

from api.deps import require_advisor
from config.deps import get_db
from model.sys_user import SysUser
from service.advisor import audit as audit_service
from utils.response import success

router = APIRouter()


@router.get("/audit/ledger", summary="本人审计台账筛选")
async def ledger(
    action: str | None = Query(None, max_length=64),
    keyword: str | None = Query(None, max_length=128),
    start: datetime | None = Query(None),
    end: datetime | None = Query(None),
    page: int = Query(1, ge=1),
    page_size: int = Query(20, ge=1, le=100),
    user: SysUser = Depends(require_advisor),
    db: AsyncSession = Depends(get_db),
):
    return success(
        await audit_service.list_ledger(
            db, user, action=action, keyword=keyword, start=start, end=end,
            page=page, page_size=page_size,
        )
    )


@router.get("/audit/export", summary="导出本人审计台账（CSV）")
async def export(
    action: str | None = Query(None, max_length=64),
    keyword: str | None = Query(None, max_length=128),
    start: datetime | None = Query(None),
    end: datetime | None = Query(None),
    user: SysUser = Depends(require_advisor),
    db: AsyncSession = Depends(get_db),
):
    csv_text = await audit_service.export_ledger(
        db, user, action=action, keyword=keyword, start=start, end=end
    )
    return Response(
        content=csv_text,
        media_type="text/csv; charset=utf-8",
        headers={"Content-Disposition": 'attachment; filename="advisor_audit.csv"'},
    )