<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
class MusicSubcategory extends Model
{
        protected $table = 'music_subcategories';
    
    protected $fillable = [
        'category_id', 'name', 'slug', 'description', 'image_id', 'order', 'is_active'
    ];
    
    protected $casts = [
        'is_active' => 'boolean',
        'order' => 'integer',
    ];
    
    public function category(): BelongsTo
    {
        return $this->belongsTo(MusicCategory::class, 'category_id');
    }
    
    public function playlists(): HasMany
    {
        return $this->hasMany(MusicPlaylist::class, 'subcategory_id');
    }
    
    public function image(): BelongsTo
    {
        return $this->belongsTo(Image::class);
    }
    
    public function getActivePlaylistsAttribute()
    {
        return $this->playlists()->where('is_active', true)->orderBy('order')->get();
    }
    
    // Get total music count across all playlists in this subcategory
    public function getTotalMusicCountAttribute()
    {
        return $this->playlists()
            ->withCount('musics')
            ->get()
            ->sum('musics_count');
    }
    
    // Get total duration across all music in this subcategory
    public function getTotalDurationAttribute()
    {
        $totalSeconds = 0;
        foreach ($this->playlists as $playlist) {
            foreach ($playlist->musics as $music) {
                $totalSeconds += $this->durationToSeconds($music->duration);
            }
        }
        return $this->secondsToDuration($totalSeconds);
    }
    
    private function durationToSeconds($duration)
    {
        if (!$duration) return 0;
        $parts = explode(':', $duration);
        if (count($parts) === 2) {
            return (int)$parts[0] * 60 + (int)$parts[1];
        } elseif (count($parts) === 3) {
            return (int)$parts[0] * 3600 + (int)$parts[1] * 60 + (int)$parts[2];
        }
        return 0;
    }
    
    private function secondsToDuration($seconds)
    {
        $hours = floor($seconds / 3600);
        $minutes = floor(($seconds % 3600) / 60);
        $secs = $seconds % 60;
        
        if ($hours > 0) {
            return sprintf("%d:%02d:%02d", $hours, $minutes, $secs);
        }
        return sprintf("%d:%02d", $minutes, $secs);
    }
}