<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\MorphTo;
class Like extends Model
{
    protected $table = 'likes';
    
    protected $fillable = [
        'user_id',
        'likeable_id',
        'likeable_type',
    ];
    
    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }
    
    public function likeable(): MorphTo
    {
        return $this->morphTo();
    }
    
    // Helper methods
    public static function getLikedItemsForUser($userId, $type = null)
    {
        $query = self::with('likeable')->where('user_id', $userId);
        
        if ($type) {
            $query->where('likeable_type', $type);
        }
        
        return $query->latest()->get();
    }
    
    public static function isLikedByUser($userId, $likeableId, $likeableType)
    {
        return self::where([
            'user_id' => $userId,
            'likeable_id' => $likeableId,
            'likeable_type' => $likeableType,
        ])->exists();
    }
    
    public static function getLikeCount($likeableId, $likeableType)
    {
        return self::where([
            'likeable_id' => $likeableId,
            'likeable_type' => $likeableType,
        ])->count();
    }
}