<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\MorphTo;
class SavedItem extends Model
{
    protected $table = 'saved_items';
    
    protected $fillable = [
        'user_id',
        'saveable_id',
        'saveable_type',
    ];
    
    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }
    
    public function saveable(): MorphTo
    {
        return $this->morphTo();
    }
    
    // Helper to get saved items by type
    public static function getSavedItemsForUser($userId, $type = null)
    {
        $query = self::with('saveable')->where('user_id', $userId);
        
        if ($type) {
            $query->where('saveable_type', $type);
        }
        
        return $query->latest()->get();
    }
    
    // Check if user has saved specific item
    public static function isSavedByUser($userId, $saveableId, $saveableType)
    {
        return self::where([
            'user_id' => $userId,
            'saveable_id' => $saveableId,
            'saveable_type' => $saveableType,
        ])->exists();
    }
}