<?php

namespace App\Http\Controllers;

use App\Models\MusicPlaylist;
use Illuminate\Http\Request;
use Illuminate\Support\Str;

class MusicPlaylistController extends Controller
{
    public function index(Request $request)
    {
        $query = MusicPlaylist::with(['category', 'image']);
        
        if ($request->has('category_id')) {
            $query->where('category_id', $request->category_id);
        }
        
        $playlists = $query->where('is_active', true)->orderBy('order')->get();
        
        return response()->json($playlists);
    }
    
    public function store(Request $request)
    {
        $data = $request->validate([
            'category_id' => 'required|exists:music_categories,id',
            'name' => 'required|string|max:255',
            'description' => 'nullable|string',
            'image_id' => 'nullable|exists:images,id',
            'order' => 'nullable|integer',
            'is_active' => 'nullable|boolean',
        ]);
        
        $data['slug'] = Str::slug($data['name']);
        
        $playlist = MusicPlaylist::create($data);
        
        return response()->json([
            'message' => 'Playlist created successfully',
            'playlist' => $playlist->load(['category', 'image'])
        ], 201);
    }
    
    public function show($id)
    {
        $playlist = MusicPlaylist::with([
            'category', 
            'image', 
            'musics' => function($q) {
                $q->where('is_active', true)
                  ->with(['image', 'tags'])
                  ->orderBy('order');
            }
        ])->findOrFail($id);
        
        return response()->json($playlist);
    }
    
    public function update(Request $request, $id)
    {
        $playlist = MusicPlaylist::findOrFail($id);
        
        $data = $request->validate([
            'category_id' => 'sometimes|exists:music_categories,id',
            'name' => 'sometimes|string|max:255',
            'description' => 'nullable|string',
            'image_id' => 'nullable|exists:images,id',
            'order' => 'nullable|integer',
            'is_active' => 'nullable|boolean',
        ]);
        
        if (isset($data['name'])) {
            $data['slug'] = Str::slug($data['name']);
        }
        
        $playlist->update($data);
        
        return response()->json([
            'message' => 'Playlist updated successfully',
            'playlist' => $playlist->load(['category', 'image'])
        ]);
    }
    
    public function destroy($id)
    {
        $playlist = MusicPlaylist::findOrFail($id);
        $playlist->delete();
        
        return response()->json(['message' => 'Playlist deleted successfully']);
    }
}