<?php namespace App\Models;
/**
 * @copyright (c) 2025 Notsoweb Software (https://notsoweb.com) - All Rights Reserved
 */


use Illuminate\Database\Eloquent\Model;

/**
 * Descripción
 *
 * @author Moisés Cortés C. <moises.cortes@notsoweb.com>
 *
 * @version 1.0.0
 */
class Inventory extends Model
{
    protected $fillable = [
        'category_id',
        'name',
        'sku',
        'barcode',
        'stock',
        'is_active',
    ];

    protected $casts = [
        'is_active' => 'boolean',
    ];

    protected $appends = ['has_serials'];

    public function category()
    {
        return $this->belongsTo(Category::class);
    }

    public function price()
    {
        return $this->hasOne(Price::class);
    }

    public function serials()
    {
        return $this->hasMany(InventorySerial::class);
    }

    /**
     * Obtener seriales disponibles
     */
    public function availableSerials()
    {
        return $this->hasMany(InventorySerial::class)
            ->where('status', 'disponible');
    }

    /**
     * Calcular stock basado en seriales disponibles
     */
    public function getAvailableStockAttribute(): int
    {
        return $this->availableSerials()->count();
    }

    /**
     * Sincronizar el campo stock con los seriales disponibles
     */
    public function syncStock(): void
    {
        $this->update(['stock' => $this->getAvailableStockAttribute()]);
    }

    public function getHasSerialsAttribute(): bool
    {
        return isset($this->attributes['serials_count']) && $this->attributes['serials_count'] > 0;
    }
}