<?php

it('only adds TotDiscount aggregate line when itemized discounts are disabled and no customer discount is set', function (): void {
    $content = file_get_contents(app_path('modules/economic/helpers/economic_invoice_draft.php'));

    expect($content)->not->toBeFalse();
    $content = (string)$content;

    $start = strpos($content, 'public function addOrderItemLines');
    $end = strpos($content, 'public function addOrderItemLine(', (int)$start + 1);
    expect($start)->not->toBeFalse();
    expect($end)->not->toBeFalse();
    expect($end)->toBeGreaterThan($start);

    $block = substr($content, (int)$start, (int)$end - (int)$start);
    // The aggregate TotDiscount line is only added when neither itemized discounts
    // nor a customer-level e-conomic discount is in effect. The customer discount
    // (e.g. bug #11 customer 35131752 "kd" 15%) is applied at the line level instead.
    expect($block)
        ->toContain('if (!$use_itemized_discounts && $customer_discount_percentage === 0 && $total_discount > 0)')
        ->toContain('self::addProductDiscountLine($total_discount');
});