<?php namespace App\Models;

use App\Observers\InventoryWarehouseObserver;
use Illuminate\Database\Eloquent\Attributes\ObservedBy;
use Illuminate\Database\Eloquent\Model;

#[ObservedBy([InventoryWarehouseObserver::class])]
class InventoryWarehouse extends Model
{
    protected $table = 'inventory_warehouse';

    protected $fillable = [
        'inventory_id',
        'warehouse_id',
        'stock',
        'min_stock',
        'max_stock',
    ];

    protected $casts = [
        'stock' => 'decimal:3',
        'min_stock' => 'decimal:3',
        'max_stock' => 'decimal:3',
    ];

    // Relaciones
    public function inventory() {
        return $this->belongsTo(Inventory::class);
    }

    public function warehouse() {
        return $this->belongsTo(Warehouse::class);
    }

    // Métodos útiles
    public function isLowStock(): bool {
        return $this->min_stock && $this->stock <= $this->min_stock;
    }

    public function isOverStock(): bool {
        return $this->max_stock && $this->stock >= $this->max_stock;
    }

    public function hasAvailableStock(float $quantity): bool {
        return $this->stock >= $quantity;
    }
}