from __future__ import annotations

from pathlib import Path
from typing import Dict, List, Optional

from fastapi import HTTPException

from src.podcast import (
    download_podcast_audio,
    fetch_audio,
    fetch_episodes,
    search_podcast_series,
)

from .file_service import store_audio_file


def search_series(query: str) -> List[Dict[str, object]]:
    return search_podcast_series(query)


def list_episodes(feed_url: str) -> List[Dict[str, object]]:
    return fetch_episodes(feed_url)


def download_episode(audio_url: str, title: str) -> Dict[str, str]:
    file_path, status = download_podcast_audio(audio_url, title, status="Podcast download")
    if not file_path:
        raise HTTPException(status_code=500, detail=status or "Download failed")

    _, audio_url = store_audio_file(Path(file_path), prefix="podcast")
    return {"audioUrl": audio_url, "status": status}


def fetch_youtube_audio(youtube_url: str) -> Dict[str, str]:
    audio_path, status = fetch_audio(youtube_url, status="YouTube fetch")
    if not audio_path:
        raise HTTPException(status_code=500, detail=status or "YouTube download failed")

    _, audio_url = store_audio_file(Path(audio_path), prefix="youtube")
    return {"audioUrl": audio_url, "status": status}