<?php

/**
 * @package     MokoSuiteOpenGraph
 * @subpackage  Tests
 * @author      Moko Consulting <hello@mokoconsulting.tech>
 * @copyright   Copyright (C) 2026 Moko Consulting. All rights reserved.
 * @license     GNU General Public License version 3 or later; see LICENSE
 */

namespace Mokoconsulting\MokoOG\Tests\Unit\Helper;

use Joomla\Plugin\System\MokoOG\Helper\JsonLdBuilder;
use PHPUnit\Framework\TestCase;

class JsonLdBuilderTest extends TestCase
{
    // ── FAQPage ──────────────────────────────────────────────────────

    public function testBuildFaqReturnsNullForEmptyArray(): void
    {
        $this->assertNull(JsonLdBuilder::buildFaq([]));
    }

    public function testBuildFaqSkipsEmptyQuestions(): void
    {
        $faqs = [
            ['question' => '', 'answer' => 'An answer'],
            ['question' => 'Valid?', 'answer' => ''],
            ['question' => '  ', 'answer' => 'Still empty'],
        ];

        $this->assertNull(JsonLdBuilder::buildFaq($faqs));
    }

    public function testBuildFaqReturnsValidSchema(): void
    {
        $faqs = [
            ['question' => 'What is OG?', 'answer' => 'Open Graph protocol.'],
            ['question' => 'Why use it?', 'answer' => 'Better social previews.'],
        ];

        $result = JsonLdBuilder::buildFaq($faqs);

        $this->assertNotNull($result);
        $this->assertSame('https://schema.org', $result['@context']);
        $this->assertSame('FAQPage', $result['@type']);
        $this->assertCount(2, $result['mainEntity']);
        $this->assertSame('Question', $result['mainEntity'][0]['@type']);
        $this->assertSame('What is OG?', $result['mainEntity'][0]['name']);
        $this->assertSame('Open Graph protocol.', $result['mainEntity'][0]['acceptedAnswer']['text']);
    }

    // ── HowTo ────────────────────────────────────────────────────────

    public function testBuildHowToReturnsNullForEmptySteps(): void
    {
        $this->assertNull(JsonLdBuilder::buildHowTo('Test', []));
        $this->assertNull(JsonLdBuilder::buildHowTo('Test', ['', '  ']));
    }

    public function testBuildHowToReturnsValidSchema(): void
    {
        $result = JsonLdBuilder::buildHowTo('Install Joomla', ['Download ZIP', 'Upload files', 'Run installer']);

        $this->assertNotNull($result);
        $this->assertSame('HowTo', $result['@type']);
        $this->assertSame('Install Joomla', $result['name']);
        $this->assertCount(3, $result['step']);
        $this->assertSame(1, $result['step'][0]['position']);
        $this->assertSame('HowToStep', $result['step'][0]['@type']);
        $this->assertSame('Download ZIP', $result['step'][0]['text']);
        $this->assertArrayNotHasKey('image', $result);
    }

    public function testBuildHowToIncludesImageWhenProvided(): void
    {
        $result = JsonLdBuilder::buildHowTo('Fix a bike', ['Remove wheel'], 'https://example.com/bike.jpg');

        $this->assertNotNull($result);
        $this->assertSame('https://example.com/bike.jpg', $result['image']);
    }

    // ── Recipe ───────────────────────────────────────────────────────

    public function testBuildRecipeReturnsNullWhenNoData(): void
    {
        $data = (object) ['name' => '', 'description' => ''];

        $this->assertNull(JsonLdBuilder::buildRecipe($data));
    }

    public function testBuildRecipeCalculatesTotalTime(): void
    {
        $data = (object) [
            'name'     => 'Pasta',
            'prepTime' => 'PT15M',
            'cookTime' => 'PT30M',
        ];

        $result = JsonLdBuilder::buildRecipe($data);

        $this->assertNotNull($result);
        $this->assertSame('Recipe', $result['@type']);
        $this->assertSame('PT45M', $result['totalTime']);
    }

    public function testBuildRecipeSplitsIngredientsByNewline(): void
    {
        $data = (object) [
            'name'        => 'Salad',
            'ingredients' => "Lettuce\nTomato\nOnion",
        ];

        $result = JsonLdBuilder::buildRecipe($data);

        $this->assertNotNull($result);
        $this->assertSame(['Lettuce', 'Tomato', 'Onion'], $result['recipeIngredient']);
    }

    // ── Event ────────────────────────────────────────────────────────

    public function testBuildEventReturnsNullWithoutStartDate(): void
    {
        $data = (object) ['name' => 'Conference', 'startDate' => ''];

        $this->assertNull(JsonLdBuilder::buildEvent($data));
    }

    public function testBuildEventIncludesLocationAndOffers(): void
    {
        $data = (object) [
            'name'      => 'Tech Summit',
            'startDate' => '2026-09-01T09:00:00',
            'endDate'   => '2026-09-01T17:00:00',
            'location'  => (object) [
                'name'    => 'Convention Center',
                'address' => '123 Main St',
            ],
            'offers' => (object) [
                'price'    => '99.00',
                'currency' => 'EUR',
                'url'      => 'https://example.com/tickets',
            ],
        ];

        $result = JsonLdBuilder::buildEvent($data);

        $this->assertNotNull($result);
        $this->assertSame('Event', $result['@type']);
        $this->assertSame('2026-09-01T09:00:00', $result['startDate']);
        $this->assertSame('2026-09-01T17:00:00', $result['endDate']);
        $this->assertSame('Place', $result['location']['@type']);
        $this->assertSame('Convention Center', $result['location']['name']);
        $this->assertSame('Offer', $result['offers']['@type']);
        $this->assertSame('99.00', $result['offers']['price']);
        $this->assertSame('EUR', $result['offers']['priceCurrency']);
    }

    // ── LocalBusiness ────────────────────────────────────────────────

    public function testBuildLocalBusinessReturnsNullWithoutName(): void
    {
        $params = $this->createParamsMock([]);

        $this->assertNull(JsonLdBuilder::buildLocalBusiness($params));
    }

    public function testBuildLocalBusinessIncludesAddress(): void
    {
        $params = $this->createParamsMock([
            'business_name'  => 'Moko Consulting',
            'street_address' => '456 Oak Ave',
            'city'           => 'Austin',
            'region'         => 'TX',
            'postal_code'    => '78701',
            'country'        => 'US',
            'telephone'      => '+1-555-0100',
        ]);

        $result = JsonLdBuilder::buildLocalBusiness($params);

        $this->assertNotNull($result);
        $this->assertSame('LocalBusiness', $result['@type']);
        $this->assertSame('Moko Consulting', $result['name']);
        $this->assertSame('PostalAddress', $result['address']['@type']);
        $this->assertSame('456 Oak Ave', $result['address']['streetAddress']);
        $this->assertSame('Austin', $result['address']['addressLocality']);
        $this->assertSame('TX', $result['address']['addressRegion']);
        $this->assertSame('78701', $result['address']['postalCode']);
        $this->assertSame('US', $result['address']['addressCountry']);
        $this->assertSame('+1-555-0100', $result['telephone']);
    }

    // ── VideoObject ──────────────────────────────────────────────────

    public function testBuildVideoReturnsNullForEmptyUrl(): void
    {
        $this->assertNull(JsonLdBuilder::buildVideo(''));
    }

    public function testBuildVideoAddsEmbedUrlForYoutube(): void
    {
        $result = JsonLdBuilder::buildVideo(
            'https://www.youtube.com/watch?v=dQw4w9WgXcQ',
            'Test Video',
            'A description'
        );

        $this->assertNotNull($result);
        $this->assertSame('VideoObject', $result['@type']);
        $this->assertSame('https://www.youtube.com/watch?v=dQw4w9WgXcQ', $result['contentUrl']);
        $this->assertSame('https://www.youtube.com/embed/dQw4w9WgXcQ', $result['embedUrl']);
        $this->assertSame('Test Video', $result['name']);
    }

    // ── toScriptTag ──────────────────────────────────────────────────

    public function testToScriptTagEscapesClosingScriptTags(): void
    {
        $schema = [
            '@context' => 'https://schema.org',
            '@type'    => 'Article',
            'headline' => 'Test </script><script>alert(1)</script>',
        ];

        $output = JsonLdBuilder::toScriptTag($schema);

        $this->assertStringStartsWith('<script type="application/ld+json">', $output);
        $this->assertStringEndsWith('</script>', $output);
        // The closing </script> inside the JSON must be escaped
        $this->assertStringNotContainsString('</script><script>', $output);
        $this->assertStringContainsString('<\\/script>', $output);
    }

    // ── Helper ───────────────────────────────────────────────────────

    /**
     * Create a mock object that mimics Joomla's Registry->get($key, $default).
     */
    private function createParamsMock(array $values): object
    {
        return new class ($values) {
            private array $data;

            public function __construct(array $data)
            {
                $this->data = $data;
            }

            public function get(string $key, mixed $default = ''): mixed
            {
                return $this->data[$key] ?? $default;
            }
        };
    }
}