"""
维客线索路由。

- POST   /api/retention-clue          — 提交维客线索（UPSERT）
- GET    /api/retention-clue/{member_id} — 查询某会员的全部维客线索
- DELETE /api/retention-clue/{clue_id}   — 删除单条线索
"""

import logging

from fastapi import APIRouter, HTTPException, status

from app.database import get_connection
from app.schemas.member_retention_clue import RetentionClueSubmit, RetentionClueOut

logger = logging.getLogger(__name__)

router = APIRouter(prefix="/api", tags=["维客线索"])


@router.post("/retention-clue")
async def submit_retention_clue(body: RetentionClueSubmit):
    """
    提交维客线索（INSERT）。

    同一会员可有多条不同大类的线索。
    """
    sql = """
        INSERT INTO member_retention_clue
            (member_id, category, summary, detail,
             recorded_by_assistant_id, recorded_by_name, site_id, source)
        VALUES (%s, %s, %s, %s, %s, %s, %s, %s)
        RETURNING id
    """
    conn = get_connection()
    try:
        with conn.cursor() as cur:
            cur.execute(sql, (
                body.member_id,
                body.category.value,
                body.summary,
                body.detail,
                body.recorded_by_assistant_id,
                body.recorded_by_name,
                body.site_id,
                body.source.value,
            ))
            row = cur.fetchone()
        conn.commit()
        return {"status": "ok", "id": row[0] if row else None}
    except Exception:
        conn.rollback()
        logger.exception("维客线索写入失败: member_id=%s", body.member_id)
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            detail="线索提交失败，请稍后重试",
        )
    finally:
        conn.close()


@router.get("/retention-clue/{member_id}", response_model=list[RetentionClueOut])
async def get_retention_clues(member_id: int, site_id: int):
    """查询某会员的全部维客线索，按录入时间倒序。"""
    sql = """
        SELECT id, member_id, category, summary, detail,
               recorded_by_assistant_id, recorded_by_name, recorded_at, site_id, source
        FROM member_retention_clue
        WHERE member_id = %s AND site_id = %s
        ORDER BY recorded_at DESC
    """
    conn = get_connection()
    try:
        with conn.cursor() as cur:
            cur.execute(sql, (member_id, site_id))
            rows = cur.fetchall()
            cols = [d[0] for d in cur.description]
        return [dict(zip(cols, r)) for r in rows]
    finally:
        conn.close()


@router.delete("/retention-clue/{clue_id}")
async def delete_retention_clue(clue_id: int):
    """删除单条维客线索。"""
    sql = "DELETE FROM member_retention_clue WHERE id = %s"
    conn = get_connection()
    try:
        with conn.cursor() as cur:
            cur.execute(sql, (clue_id,))
            if cur.rowcount == 0:
                raise HTTPException(status_code=404, detail="线索不存在")
        conn.commit()
        return {"status": "ok"}
    except HTTPException:
        raise
    except Exception:
        conn.rollback()
        logger.exception("维客线索删除失败: id=%s", clue_id)
        raise HTTPException(status_code=500, detail="删除失败")
    finally:
        conn.close()