<?php

declare(strict_types=1);

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

use Brain\Monkey\Functions;
use LIT\MCP\Integrations\WordPress\RevisionPoint;
use LIT\MCP\Tests\Unit\TestCase;
use WP_Post;

final class RevisionPointTest extends TestCase
{
    public function testCaptureSavesARevisionAndReturnsTheNewest(): void
    {
        $order = [];
        Functions\expect('wp_save_post_revision')->once()->with(5)->andReturnUsing(static function () use (&$order) {
            $order[] = 'save';
            return 811;
        });
        Functions\expect('wp_get_post_revisions')->once()->with(5, ['posts_per_page' => 1])
            ->andReturnUsing(static function () use (&$order): array {
                $order[] = 'latest';
                return [811 => new WP_Post(['ID' => 811, 'post_type' => 'revision'])];
            });

        self::assertSame(811, RevisionPoint::capture(5));
        self::assertSame(['save', 'latest'], $order);
    }

    public function testLatestIsNullWithoutRevisions(): void
    {
        Functions\when('wp_get_post_revisions')->justReturn([]);

        self::assertNull(RevisionPoint::latest(5));
    }
}