from fastapi import APIRouter, Depends, HTTPException
from core.database import fake_users_db
from typing import List, Optional
from uuid import UUID

router = APIRouter()

@router.post("/api/v1/endpoint")
async def fetch_playlist_songs(
    playlist_id: str,
    limit: Optional[int] = 50,
    offset: Optional[int] = 0
):
    """Fetch songs from a specified playlist"""
    
    # Demo playlist database
    fake_playlists_db = {
        "playlist1": [
            {"id": "1", "title": "Song 1", "artist": "Artist 1", "duration": "3:45"},
            {"id": "2", "title": "Song 2", "artist": "Artist 2", "duration": "4:20"},
        ]
    }
    
    if playlist_id not in fake_playlists_db:
        raise HTTPException(status_code=404, detail="Playlist not found")
    
    playlist_songs = fake_playlists_db[playlist_id]
    total_songs = len(playlist_songs)
    
    # Apply pagination
    paginated_songs = playlist_songs[offset:offset + limit]
    
    return {
        "message": "Songs fetched successfully",
        "data": {
            "playlist_id": playlist_id,
            "songs": paginated_songs,
            "total_songs": total_songs
        },
        "metadata": {
            "limit": limit,
            "offset": offset,
            "has_more": (offset + limit) < total_songs
        }
    }