import os
from typing import List
import tempfile

from fastapi import APIRouter, HTTPException, UploadFile, File, Form

from src.schema import ReqAutoMixVideo, ResAutoMixVideo
from src.media.video import VideoManager
from src.service.auto_mix_video import MixVideoService

api = APIRouter()


@api.post("/video/mix/auto",
          tags=["智能视频混剪"],
          summary="视频混剪",
          description="自动生成视频混剪结果"
)
async def get_audio_server(req: ReqAutoMixVideo):
    try:
        mix_video_manager = MixVideoService()
        bucket_name, video_url = await mix_video_manager.start(req)
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))
    
    return ResAutoMixVideo(
        bucket_name=bucket_name,
        video_url=video_url,
    )


@api.post("/video/upload",
          tags=["智能视频混剪"],
          summary="获取文件 URL",
          description="上传文件，获取文件 URL"
)
async def get_audio_minio_url(bucket_name: str = Form(...), video_files: List[UploadFile] = File(...)):
    video_manager = VideoManager()
    video_url_list = []
    for video_file in video_files:
        # 创建临时文件
        with tempfile.NamedTemporaryFile(delete=False) as temp_file:
            # 写入上传内容
            temp_file.write(await video_file.read())
            file_path = temp_file.name
        
        try:
            # 上传文件
            bucket_name, video_url = video_manager.upload_file(file_path=file_path, bucket_name=bucket_name)
            video_url_list.append(
                ResAutoMixVideo(
                    bucket_name=bucket_name,
                    video_url=video_url,
                )
            )
        finally:
            # 确保删除临时文件
            try:
                os.unlink(file_path)
            except Exception:
                pass  # 忽略删除错误
    return video_url_list