<?php

declare(strict_types=1);

namespace Monitor\Api\Tests\Sync;

use Monitor\Api\Sync\CodebergApiException;
use Monitor\Api\Sync\CodebergClient;
use Monitor\Api\Sync\RepoHealthChecker;
use PHPUnit\Framework\TestCase;
use RuntimeException;

final class RepoHealthCheckerTest extends TestCase
{
    public function testWriteAccessOkWhenPushPermissionTrue(): void
    {
        $client = $this->fakeClient(repoPermissions: ['push' => true]);

        $checks = (new RepoHealthChecker($client))->check('fds2610', 'monitor');

        self::assertTrue($checks['write_access']['ok']);
    }

    public function testWriteAccessFailsWhenPushPermissionFalse(): void
    {
        $client = $this->fakeClient(repoPermissions: ['push' => false]);

        $checks = (new RepoHealthChecker($client))->check('fds2610', 'monitor');

        self::assertFalse($checks['write_access']['ok']);
        self::assertStringContainsString('keine Schreibrechte', $checks['write_access']['message']);
    }

    public function testWriteAccessFailsWithNotFoundMessageOn404(): void
    {
        $client = $this->fakeClient(repoPermissionsException: new CodebergApiException(404, 'nope'));

        $checks = (new RepoHealthChecker($client))->check('fds2610', 'unbekannt');

        self::assertFalse($checks['write_access']['ok']);
        self::assertStringContainsString('nicht gefunden', $checks['write_access']['message']);
    }

    public function testWebhookOkWhenActiveJsonHookPointsToOwnEndpoint(): void
    {
        $client = $this->fakeClient(listWebhooks: [
            ['active' => true, 'url' => 'https://monitor.example.org/api/v1/webhooks/codeberg', 'content_type' => 'json'],
        ]);

        $checks = (new RepoHealthChecker($client))->check('fds2610', 'monitor');

        self::assertTrue($checks['webhook']['ok']);
    }

    public function testWebhookFailsWhenNoMatchingHookPresent(): void
    {
        $client = $this->fakeClient(listWebhooks: [
            ['active' => true, 'url' => 'https://example.org/other', 'content_type' => 'json'],
            ['active' => false, 'url' => 'https://monitor.example.org/api/v1/webhooks/codeberg', 'content_type' => 'json'],
        ]);

        $checks = (new RepoHealthChecker($client))->check('fds2610', 'monitor');

        self::assertFalse($checks['webhook']['ok']);
    }

    public function testWebhookFailsWithPermissionMessageOn403(): void
    {
        $client = $this->fakeClient(listWebhooksException: new CodebergApiException(403, 'forbidden'));

        $checks = (new RepoHealthChecker($client))->check('fds2610', 'monitor');

        self::assertFalse($checks['webhook']['ok']);
        self::assertStringContainsString('keine Admin-Rechte', $checks['webhook']['message']);
    }

    public function testFailsGracefullyWhenCodebergUnreachable(): void
    {
        $client = $this->fakeClient(repoPermissionsException: new RuntimeException('Codeberg-API nicht erreichbar: timeout'));

        $checks = (new RepoHealthChecker($client))->check('fds2610', 'monitor');

        self::assertFalse($checks['write_access']['ok']);
        self::assertStringContainsString('nicht erreichbar', $checks['write_access']['message']);
    }

    /**
     * @param array{push: bool}|null $repoPermissions
     * @param array<int, array{active: bool, url: string, content_type: string}>|null $listWebhooks
     */
    private function fakeClient(
        ?array $repoPermissions = null,
        ?RuntimeException $repoPermissionsException = null,
        ?array $listWebhooks = null,
        ?RuntimeException $listWebhooksException = null,
    ): CodebergClient {
        return new class ($repoPermissions, $repoPermissionsException, $listWebhooks, $listWebhooksException) implements CodebergClient {
            public function __construct(
                private readonly ?array $repoPermissions,
                private readonly ?RuntimeException $repoPermissionsException,
                private readonly ?array $listWebhooks,
                private readonly ?RuntimeException $listWebhooksException,
            ) {
            }

            public function listIssues(string $owner, string $repo, string $state): array
            {
                return [];
            }

            public function repoPermissions(string $owner, string $repo): array
            {
                if ($this->repoPermissionsException !== null) {
                    throw $this->repoPermissionsException;
                }

                return $this->repoPermissions ?? ['push' => true];
            }

            public function listWebhooks(string $owner, string $repo): array
            {
                if ($this->listWebhooksException !== null) {
                    throw $this->listWebhooksException;
                }

                return $this->listWebhooks ?? [];
            }

            public function countOpenPullRequests(string $owner, string $repo): int
            {
                return 0;
            }
        };
    }
}