<?php

namespace tests\Unit\Economic;

use PHPUnit\Framework\TestCase;

/**
 * Unit tests for TRU-193 — the recipient-block sanitization in
 * economic_invoices_drafts_endpoint::add().
 *
 * Since the endpoint's `add()` method makes a live HTTP request to
 * e-conomic, we don't test it directly. Instead we test the building
 * blocks (sanitizer rules + the file-shape contract) that the endpoint
 * uses, so the behavior is regression-protected.
 */
class EconomicInvoiceDraftRecipientSanitizationTest extends TestCase
{
    /**
     * Verify the endpoint file still references the sanitizer for
     * the recipient-block fields (defense in depth, even though the
     * customer data comes from e-conomic).
     */
    public function testEndpointSanitizesRecipientName(): void
    {
        $path = __DIR__ . '/../../../modules/economic/endpoints/invoices/economic_invoices_drafts_endpoint.php';
        $content = file_get_contents($path);
        $this->assertNotFalse($content);
        $this->assertStringContainsString(
            'sanitizeTextLine($customer->getName() ?? \'Ukendt\', 100)',
            $content,
            'recipient.name must be sanitized via sanitizeTextLine with a 100-char cap'
        );
    }

    public function testEndpointSanitizesRecipientAddress(): void
    {
        $path = __DIR__ . '/../../../modules/economic/endpoints/invoices/economic_invoices_drafts_endpoint.php';
        $content = file_get_contents($path);
        $this->assertNotFalse($content);
        $this->assertStringContainsString(
            'sanitizeTextLine($customer->getAddress() ?? \'Ukendt\', 250)',
            $content,
            'recipient.address must be sanitized via sanitizeTextLine with a 250-char cap'
        );
    }

    public function testEndpointSanitizesRecipientZip(): void
    {
        $path = __DIR__ . '/../../../modules/economic/endpoints/invoices/economic_invoices_drafts_endpoint.php';
        $content = file_get_contents($path);
        $this->assertNotFalse($content);
        $this->assertStringContainsString(
            'sanitizeTextLine($customer->getZipCode() ?? \'Ukendt\', 20)',
            $content,
            'recipient.zip must be sanitized via sanitizeTextLine with a 20-char cap'
        );
    }

    public function testEndpointSanitizesRecipientCity(): void
    {
        $path = __DIR__ . '/../../../modules/economic/endpoints/invoices/economic_invoices_drafts_endpoint.php';
        $content = file_get_contents($path);
        $this->assertNotFalse($content);
        $this->assertStringContainsString(
            'sanitizeTextLine($customer->getCity() ?? \'Ukendt\', 100)',
            $content,
            'recipient.city must be sanitized via sanitizeTextLine with a 100-char cap'
        );
    }

    public function testEndpointStripsNonDigitsFromEan(): void
    {
        $path = __DIR__ . '/../../../modules/economic/endpoints/invoices/economic_invoices_drafts_endpoint.php';
        $content = file_get_contents($path);
        $this->assertNotFalse($content);
        $this->assertStringContainsString(
            "preg_replace('/[^0-9]/', '', \$customer_ean)",
            $content,
            'recipient.ean must be stripped to digits only'
        );
    }

    public function testEndpointOmitsEmptyEanInsteadOfSendingEmptyString(): void
    {
        $path = __DIR__ . '/../../../modules/economic/endpoints/invoices/economic_invoices_drafts_endpoint.php';
        $content = file_get_contents($path);
        $this->assertNotFalse($content);
        // After stripping non-digits, if the result is empty we should remove the key
        $this->assertStringContainsString(
            "unset(\$recipient['ean']);",
            $content,
            'recipient.ean must be removed from the payload when the sanitized EAN is empty'
        );
        // Verify the conditional structure: if empty, unset
        $this->assertMatchesRegularExpression(
            "/\\\$recipient\\['ean'\\]\\s*=\\s*preg_replace\\(\\s*['\\/\\^0-9\\/']/",
            $content,
            'recipient.ean must be assigned via preg_replace with a non-digit-stripping pattern'
        );
    }
}