"""历史记录 API — /api/history"""
from fastapi import APIRouter, Request, HTTPException, Query

from app.services import history as hist_service

router = APIRouter()


@router.get("/history/search")
async def list_search_history(
    request: Request,
    page: int = Query(1, ge=1),
    page_size: int = Query(20, ge=1, le=100),
):
    """获取检索历史列表(分页,最新在前)"""
    trace_id = getattr(request.state, "trace_id", "")
    data = hist_service.get_search_history(page, page_size)
    return {"code": 0, "message": "ok", "data": data, "trace_id": trace_id}


@router.get("/history/chat")
async def list_chat_history(
    request: Request,
    page: int = Query(1, ge=1),
    page_size: int = Query(20, ge=1, le=100),
):
    """获取对话历史列表(分页,最新在前)"""
    trace_id = getattr(request.state, "trace_id", "")
    data = hist_service.get_chat_history(page, page_size)
    return {"code": 0, "message": "ok", "data": data, "trace_id": trace_id}


@router.get("/history/chat/{chat_id}")
async def get_chat_detail(chat_id: int, request: Request):
    """获取单条对话历史详情"""
    trace_id = getattr(request.state, "trace_id", "")
    detail = hist_service.get_chat_detail(chat_id)
    if not detail:
        raise HTTPException(status_code=404, detail="对话记录不存在")
    return {"code": 0, "message": "ok", "data": detail, "trace_id": trace_id}


@router.delete("/history/search/{history_id}")
async def delete_search_history(history_id: int, request: Request):
    """删除单条检索历史"""
    trace_id = getattr(request.state, "trace_id", "")
    if hist_service.delete_search_history(history_id):
        return {"code": 0, "message": "ok", "trace_id": trace_id}
    raise HTTPException(status_code=500, detail="删除失败")


@router.delete("/history/chat/{history_id}")
async def delete_chat_history(history_id: int, request: Request):
    """删除单条对话历史"""
    trace_id = getattr(request.state, "trace_id", "")
    if hist_service.delete_chat_history(history_id):
        return {"code": 0, "message": "ok", "trace_id": trace_id}
    raise HTTPException(status_code=500, detail="删除失败")


@router.delete("/history/search")
async def clear_search_history(request: Request):
    """清空全部检索历史"""
    trace_id = getattr(request.state, "trace_id", "")
    if hist_service.clear_search_history():
        return {"code": 0, "message": "ok", "trace_id": trace_id}
    raise HTTPException(status_code=500, detail="清空失败")


@router.delete("/history/chat")
async def clear_chat_history(request: Request):
    """清空全部对话历史"""
    trace_id = getattr(request.state, "trace_id", "")
    if hist_service.clear_chat_history():
        return {"code": 0, "message": "ok", "trace_id": trace_id}
    raise HTTPException(status_code=500, detail="清空失败")