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<?php

namespace Corals\Modules\Inventory\Traits;

use Corals\Modules\Payment\Common\Models\Tax;
use Corals\Modules\Payment\Facades\Payments;

trait OrderCalculations
{
    public function calculateOrder($data, $formatCalculationsWithCurrency = true)
    {
        $items = data_get($data, 'items', []);
        $discountType = data_get($data, 'discount_properties.type');
        $discountAmount = data_get($data, 'discount_properties.amount');
        $currency = data_get($items, 'currency', Payments::session_currency());


        $subtotal = $taxTotal = $total = 0;

        foreach ($items as $type => $typeItems) {
            foreach ($typeItems as $item) {
                $itemTotal = $item['unit_price'] * $item['quantity'];
                $subtotal += $itemTotal;


                $taxes = $item['taxes'] ?? [];

                $itemTaxRateTotal = Tax::query()->whereIn('id', $taxes)->sum('rate');

                $taxTotal += ($itemTaxRateTotal / 100) * $itemTotal;
            }
        }
        $subtotalWithTax = $subtotal + $taxTotal;

        $discountAmount = floatval($discountAmount);

        if ($discountType == 'Percentage') {
            $discountAmount = ($discountAmount / 100) * $subtotalWithTax;
        }

        $total = $subtotalWithTax - $discountAmount;

        $calculations = [
            'subtotal' => $subtotal,
            'tax_total' => $taxTotal,
            'discount' => $discountAmount,
            'invoiceTotal' => $total,
        ];


        if ($formatCalculationsWithCurrency) {
            $calculations = array_map(function ($total) use ($currency) {
                return Payments::currency_convert($total, null, $currency, true);
            }, $calculations);
        }
        return $calculations;
    }
}