<?php namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

class Returns extends Model
{
    use SoftDeletes;

    protected $fillable = [
        'sale_id',
        'user_id',
        'cash_register_id',
        'return_number',
        'subtotal',
        'tax',
        'total',
        'discount_refund',
        'refund_method',
        'reason',
        'notes'
    ];

    protected $casts = [
        'subtotal' => 'decimal:2',
        'tax' => 'decimal:2',
        'total' => 'decimal:2',
        'discount_refund' => 'decimal:2',
        'created_at' => 'datetime',
    ];

    /**
     * Relación con la venta original
     */
    public function sale()
    {
        return $this->belongsTo(Sale::class);
    }

    /**
     * Relación con usuario que procesó la devolución
     */
    public function user()
    {
        return $this->belongsTo(User::class);
    }

    /**
     * Relación con caja registradora
     */
    public function cashRegister()
    {
        return $this->belongsTo(CashRegister::class);
    }

    /**
     * Detalles de la devolución
     */
    public function details()
    {
        return $this->hasMany(ReturnDetail::class, 'return_id');
    }

    /**
     * Obtener texto descriptivo de la razón
     */
    public function getReasonTextAttribute(): string
    {
        return match($this->reason) {
            'defective' => 'Producto defectuoso',
            'wrong_product' => 'Producto incorrecto',
            'change_of_mind' => 'Cambio de opinión',
            'damaged' => 'Producto dañado',
            'other' => 'Otra razón',
            default => 'No especificado',
        };
    }
}