from fastapi import FastAPI
import uvicorn
from fastapi import FastAPI, File, UploadFile, HTTPException
from typing import List
from service.file_service import check_and_create_directory, upload_and_save_file, fetch_files
from service import excel_service
from service.db_service import get_task_list
from fastapi.responses import FileResponse
import threading
from logging_config import LOGGING_CONFIG
import logging

logger = logging.getLogger(__name__)

app = FastAPI()

import concurrent.futures
executor = concurrent.futures.ThreadPoolExecutor(max_workers=10)
@app.get("/api/v1/hw")
def read_root():
    return {"Hello": "World"}


# 上传文件并解析，解析是异步错误
@app.post("/upload_files_and_parse")
async def create_upload_files(files: List[UploadFile] = File(...)):
    dir_id = check_and_create_directory(files)
    if not dir_id:
        return {"result": False, "code": 500, "message": "create directory failed"}
    flag, message = await upload_and_save_file(dir_id, files)
    logger.info(f"flag is {flag}")
    if flag:
        #flag, message = await fetch_files(dir_id)
        executor.submit(fetch_files, dir_id)
    return {"result": flag, "message": message, "task_id": dir_id}


@app.get("/export_task_data_to_excel")
def export_task_data_to_excel(task_id: str):
    path_xx = excel_service.export_task_data_to_excel(task_id)
    if not path_xx:
        raise HTTPException(status_code=404, detail="file not found")
    return FileResponse(
        path=path_xx,
        media_type="application/octet-stream",  # 通用二进制流
        filename=f"{task_id}.xlsx"  # 浏览器下载时使用的文件名
    )


@app.get("/parse_task_list")
def parse_task_list():
    data = get_task_list()
    return {"data": data, "code": 200, }


if __name__ == '__main__':
    logger.info("start server")
    uvicorn.run(app, host="0.0.0.0", port=3006)