<?php

declare(strict_types=1);

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

use Brain\Monkey\Functions;
use LIT\MCP\Abilities\WriteFailed;
use LIT\MCP\ChangeLog\ChangeLog;
use LIT\MCP\Integrations\WordPress\Status\PostUnpublishAbility;
use LIT\MCP\Tests\Support\FakeChangeLog;
use LIT\MCP\Tests\Support\SchemaFixture;
use LIT\MCP\Tests\Unit\TestCase;
use RuntimeException;
use WP_Post;

final class PostUnpublishAbilityTest extends TestCase
{
    private function ability(ChangeLog $log, string $status): PostUnpublishAbility
    {
        Functions\when('get_post')->justReturn(new WP_Post(['ID' => 5, 'post_type' => 'page', 'post_title' => 'Team', 'post_status' => $status]));
        Functions\when('current_user_can')->justReturn(true);
        Functions\when('get_preview_post_link')->justReturn('https://kunde.de/?p=5&preview=true');
        Functions\when('get_edit_post_link')->justReturn('https://kunde.de/wp-admin/post.php?post=5&action=edit');
        $schema = SchemaFixture::managed();

        return new PostUnpublishAbility($schema, $log);
    }

    public function testPublishedPostBecomesDraft(): void
    {
        Functions\expect('wp_update_post')->once()->with(['ID' => 5, 'post_status' => 'draft'], true)->andReturn(5);
        $log = new FakeChangeLog(3);

        $result = $this->ability($log, 'publish')->execute(['post_id' => 5]);

        self::assertSame('unpublished', $result['changed'][0]['action']);
        $log->assertRecorded([]);
    }

    public function testAHookThrowingDuringTheWriteIsAPartialWrite(): void
    {
        Functions\when('wp_update_post')->alias(static function (): void {
            throw new RuntimeException('save_post-Hook kaputt');
        });
        $log = FakeChangeLog::partialsOnly();

        try {
            $this->ability($log, 'publish')->execute(['post_id' => 5]);
            self::fail('WriteFailed expected');
        } catch (WriteFailed $e) {
            self::assertFalse($e->rolledBack);
            self::assertSame(5, $e->postId);
            self::assertStringContainsString('save_post-Hook kaputt', $e->getMessage());
            self::assertSame('lit_partial_write', $e->toError()->get_error_code());
        }
        $log->assertPartials(['ability' => 'lit/post-unpublish', 'object_type' => 'page', 'object_id' => '5']);
    }

    public function testATrashedPostIsRefusedInsteadOfBecomingADraft(): void
    {
        Functions\expect('wp_update_post')->never();

        $result = $this->ability(FakeChangeLog::forbidden(), 'trash')->execute(['post_id' => 5]);

        self::assertSame('lit_validation_failed', $result->get_error_code());
    }

    public function testDraftIsANoOp(): void
    {
        Functions\expect('wp_update_post')->never();

        $result = $this->ability(FakeChangeLog::forbidden(), 'draft')->execute(['post_id' => 5]);

        self::assertSame([], $result['changed']);
    }
}