<?php namespace App\Models;

use Illuminate\Database\Eloquent\Model;

/**
 * Modelo para números de serie de inventario
 *
 * @author Moisés Cortés C. <moises.cortes@notsoweb.com>
 * @version 1.0.0
 */
class InventorySerial extends Model
{
    protected $fillable = [
        'inventory_id',
        'warehouse_id',
        'movement_id',
        'transfer_movement_id',
        'exit_movement_id',
        'serial_number',
        'status',
        'sale_detail_id',
        'return_detail_id',
        'notes',
    ];

    protected $casts = [
        'status' => 'string',
    ];

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

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

    public function movement()
    {
        return $this->belongsTo(InventoryMovement::class);
    }

    public function transferMovement()
    {
        return $this->belongsTo(InventoryMovement::class, 'transfer_movement_id');
    }

    public function exitMovement()
    {
        return $this->belongsTo(InventoryMovement::class, 'exit_movement_id');
    }

    public function markAsExited(int $exitMovementId): void
    {
        $this->update([
            'status' => 'salida',
            'exit_movement_id' => $exitMovementId,
        ]);
    }

    public function restoreFromExit(): void
    {
        $this->update([
            'status' => 'disponible',
            'exit_movement_id' => null,
        ]);
    }

    public function isExited(): bool
    {
        return $this->status === 'salida';
    }

    public function saleDetail()
    {
        return $this->belongsTo(SaleDetail::class);
    }

    public function returnDetail()
    {
        return $this->belongsTo(ReturnDetail::class);
    }

    /**
     * Verificar si el serial está disponible
     */
    public function isAvailable(): bool
    {
        return $this->status === 'disponible';
    }

    /**
     * Marcar como vendido
     */
    public function markAsSold(int $saleDetailId, ?int $warehouseId = null): void {
        $this->update([
            'status' => 'vendido',
            'sale_detail_id' => $saleDetailId,
            'warehouse_id' => $warehouseId,
        ]);
    }

    /**
     * Marcar como disponible (ej: cancelación de venta)
     */
    public function markAsAvailable(): void
    {
        $this->update([
            'status' => 'disponible',
            'sale_detail_id' => null,
        ]);
    }

    /**
     * Marcar como devuelto
     */
    public function markAsReturned(int $returnDetailId): void
    {
        $this->update([
            'status' => 'devuelto',
            'return_detail_id' => $returnDetailId,
        ]);
    }

    /**
     * Restaurar a disponible desde devuelto
     */
    public function restoreFromReturn(): void
    {
        $this->update([
            'status' => 'disponible',
            'sale_detail_id' => null,
        ]);
    }

    /**
     * Verificar si el serial está devuelto
     */
    public function isReturned(): bool
    {
        return $this->status === 'devuelto';
    }
}