<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class CashRegister extends Model
{
    protected $fillable = [
        'user_id',
        'opened_at',
        'closed_at',
        'initial_cash',
        'final_cash',
        'expected_cash',
        'difference',
        'total_sales',
        'sales_count',
        'total_returns',
        'cash_returns',
        'card_returns',
        'returns_count',
        'total_discounts',
        'notes',
        'status',
    ];

    protected $casts = [
        'opened_at' => 'datetime',
        'closed_at' => 'datetime',
        'initial_cash' => 'decimal:2',
        'final_cash' => 'decimal:2',
        'expected_cash' => 'decimal:2',
        'difference' => 'decimal:2',
        'total_sales' => 'decimal:2',
        'total_returns' => 'decimal:2',
        'cash_returns' => 'decimal:2',
        'card_returns' => 'decimal:2',
        'total_discounts' => 'decimal:2',
    ];

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

    public function sales()
    {
        return $this->hasMany(Sale::class);
    }

    public function returns()
    {
        return $this->hasMany(Returns::class, 'cash_register_id');
    }

    /**
     * Verificar si la caja está abierta
     */
    public function isOpen(): bool
    {
        return $this->status === 'open';
    }

    /**
     * Calcular totales por método de pago
     */
    public function getTotalsByPaymentMethod()
    {
        return $this->sales()
            ->where('status', 'completed')
            ->selectRaw('payment_method, SUM(total) as total, COUNT(*) as count')
            ->groupBy('payment_method')
            ->get();
    }
}