<?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 Sale extends Model
{
    protected $fillable = [
        'user_id',
        'client_id',
        'cash_register_id',
        'invoice_number',
        'subtotal',
        'tax',
        'total',
        'discount_percentage',
        'discount_amount',
        'client_tier_name',
        'cash_received',
        'change',
        'payment_method',
        'status',
    ];

    protected $casts = [
        'subtotal' => 'decimal:2',
        'tax' => 'decimal:2',
        'total' => 'decimal:2',
        'discount_percentage' => 'decimal:2',
        'discount_amount' => 'decimal:2',
        'cash_received' => 'decimal:2',
        'change' => 'decimal:2',
    ];

    public function user()
    {
        return $this->belongsTo(User::class);
    }

    public function details()
    {
        return $this->hasMany(SaleDetail::class);
    }

    public function cashRegister()
    {
        return $this->belongsTo(CashRegister::class);
    }

    public function client()
    {
        return $this->belongsTo(Client::class);
    }

    /**
     * Devoluciones asociadas a esta venta
     */
    public function returns()
    {
        return $this->hasMany(Returns::class, 'sale_id');
    }

    /**
     * Total devuelto de esta venta
     */
    public function getTotalReturnedAttribute(): float
    {
        return (float) $this->returns()->sum('total');
    }

    /**
     * Verificar si la venta tiene devoluciones
     */
    public function hasReturns(): bool
    {
        return $this->returns()->exists();
    }

    /**
     * Total neto (total - devoluciones)
     */
    public function getNetTotalAttribute(): float
    {
        return (float) ($this->total - $this->getTotalReturnedAttribute());
    }


    /**
     * Solicitudes de factura asociadas a esta venta
     */
    public function invoiceRequests()
    {
        return $this->hasMany(InvoiceRequest::class);
    }
}