<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit\Integrations\Media;

use Brain\Monkey\Functions;
use LIT\MCP\Integrations\Media\MediaPresenter;
use LIT\MCP\Tests\Unit\TestCase;
use stdClass;
use WP_Post;

final class MediaPresenterTest extends TestCase
{
    private function attachment(): WP_Post
    {
        return new WP_Post([
            'ID' => 33,
            'post_type' => 'attachment',
            'post_title' => 'Foto',
            'post_mime_type' => 'image/jpeg',
            'post_excerpt' => 'Bildunterschrift',
            'post_content' => 'Beschreibung',
            'post_parent' => 5,
        ]);
    }

    private function stubCommon(array $meta): void
    {
        Functions\when('wp_get_attachment_metadata')->justReturn($meta);
        Functions\when('get_attached_file')->justReturn('/var/www/html/wp-content/uploads/2026/09/foto.jpg');
        Functions\when('wp_basename')->alias('basename');
        Functions\when('wp_get_attachment_url')->justReturn('https://kunde.de/wp-content/uploads/2026/09/foto.jpg');
        Functions\when('get_post_meta')->justReturn('Porträt');
        Functions\when('get_edit_post_link')->justReturn('https://kunde.de/wp-admin/post.php?post=33&action=edit');
    }

    public function testSummaryHasFileDataAndAlt(): void
    {
        $this->stubCommon(['width' => 1600, 'height' => 900, 'filesize' => 123456]);

        $summary = (new MediaPresenter())->summary($this->attachment());

        self::assertSame('foto.jpg', $summary['filename']);
        self::assertSame('Porträt', $summary['alt']);
        self::assertSame(1600, $summary['width']);
        self::assertSame(123456, $summary['filesize']);
    }

    public function testFullListsSizesAndUsagesAndCopesWithMissingMetadata(): void
    {
        $this->stubCommon(['sizes' => ['medium' => ['width' => 300, 'height' => 169]]]);
        Functions\when('wp_get_attachment_image_src')->justReturn(['https://kunde.de/foto-300x169.jpg', 300, 169, true]);
        $usages = [['post_id' => 5, 'title' => 'Team', 'post_type' => 'page', 'where' => 'featured', 'certainty' => 'sicher']];

        $full = (new MediaPresenter())->full($this->attachment(), $usages);

        self::assertSame(['medium' => ['url' => 'https://kunde.de/foto-300x169.jpg', 'width' => 300, 'height' => 169]], $full['sizes']);
        self::assertSame($usages, $full['usages']);
        self::assertSame('Bildunterschrift', $full['caption']);
        self::assertSame(5, $full['parent']);
        self::assertSame('https://kunde.de/wp-admin/post.php?post=33&action=edit', $full['edit_url']);
        self::assertNull($full['width']);

        Functions\when('wp_get_attachment_metadata')->justReturn(false);
        self::assertInstanceOf(stdClass::class, (new MediaPresenter())->full($this->attachment(), [])['sizes']);
    }

    public function testFullSchemaRequiresSizesAndUsagesAndDescribesUsages(): void
    {
        $schema = MediaPresenter::fullSchema();

        self::assertContains('sizes', $schema['required']);
        self::assertContains('usages', $schema['required']);
        self::assertSame(['sicher', 'möglicherweise'], $schema['properties']['usages']['items']['properties']['certainty']['enum']);
    }
}