from fastapi import APIRouter, HTTPException
from pydantic import BaseModel
from typing import Optional
from app.agents.report_parse_agent import ReportParseAgent
import logging
import os

logger = logging.getLogger(__name__)
router = APIRouter(prefix="/api/v1", tags=["report_parse"])
_agent = None


def get_agent():
    global _agent
    if _agent is None:
        _agent = ReportParseAgent()
    return _agent


class ParseRequest(BaseModel):
    file_path: str
    family_id: Optional[int] = None
    user_id: Optional[int] = None


class ParseResponse(BaseModel):
    code: int = 200
    message: str = "ok"
    data: dict = {}


@router.post("/report/parse", response_model=ParseResponse)
async def parse_report(req: ParseRequest):
    if not os.path.exists(req.file_path):
        raise HTTPException(status_code=400, detail=f"文件不存在: {req.file_path}")

    logger.info("report_parse: file_path=%s family_id=%s user_id=%s",
                req.file_path, req.family_id, req.user_id)
    agent = get_agent()
    try:
        result = await agent.parse(req.file_path)
        return ParseResponse(data=result)
    except Exception as e:
        logger.error("报告解析失败: %s", e, exc_info=True)
        return ParseResponse(code=500, message=f"解析失败: {str(e)}", data={})