<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;  // ← Add this
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;    // ← Add this
use App\Traits\HasComments; // Add this
use App\Traits\HasLikes;
use App\Traits\HasSaves;
use App\Traits\HasRatings;
class MusicPlaylist extends Model
{
    use HasComments, HasLikes, HasSaves, HasRatings;
    protected $table = 'music_playlists';
    
    protected $fillable = [
        'name', 'slug', 'description', 'image_id', 'detail_image_id', 'order', 'is_active'
    ];
    
    protected $casts = [
        'is_active' => 'boolean',
        'order' => 'integer',
    ];
    protected $appends = [
        'comments_count',
        'has_user_commented',
        'user_comment',
        'user_comment_id',
        'is_liked',
        'likes_count',
        'is_saved',
        'saved_count'
    ];
    public function categories(): BelongsToMany
    {
        return $this->belongsToMany(MusicCategory::class, 'music_category_playlist', 'playlist_id', 'category_id');
    }

    public function subcategories(): BelongsToMany
    {
        return $this->belongsToMany(MusicSubcategory::class, 'music_subcategory_playlist', 'playlist_id', 'subcategory_id');
    }
    
    
    public function musics(): BelongsToMany
    {
        return $this->belongsToMany(Music::class, 'music_playlist', 'playlist_id', 'music_id')
            ->withPivot('order')
            ->withTimestamps();
    }
    
    public function image(): BelongsTo
    {
        return $this->belongsTo(Image::class);
    }

    // Image shown on the detail (show-by-id) screen; image() is the list thumbnail.
    public function detailImage(): BelongsTo
    {
        return $this->belongsTo(Image::class, 'detail_image_id');
    }
    
    public function getActiveMusicsAttribute()
    {
        return $this->musics()->where('music.is_active', true)->orderBy('music_playlist.order')->get();
    }

    public function getTotalDurationAttribute()
    {
        return $this->musics()->where('music.is_active', true)->sum('music.duration');
    }
}