<?php declare(strict_types=1);

namespace Tests\Architecture;

use PHPUnit\Framework\TestCase;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;

final class Phase8ControllerApiArchitectureTest extends TestCase
{
    /** @return string[] */
    private function phpFiles(string $relative): array
    {
        $root = dirname(__DIR__, 2).'/'.$relative;
        if (! is_dir($root)) {
            return [];
        }
        $files = [];
        foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($root)) as $file) {
            if ($file->isFile() && $file->getExtension() === 'php') {
                $files[] = $file->getPathname();
            }
        }
        return $files;
    }

    public function test_canonical_v2_controllers_do_not_use_raw_db_or_provider_sdks(): void
    {
        foreach ($this->phpFiles('app/Http/Controllers/Api/V2') as $file) {
            $contents = file_get_contents($file);
            $this->assertStringNotContainsString('DB::table', $contents, $file);
            $this->assertStringNotContainsString('Mail::', $contents, $file);
            $this->assertStringNotContainsString('Validator::make', $contents, $file);
            $this->assertStringNotContainsString('max(\'id\')', $contents, $file);
            $this->assertStringNotContainsString('response()->download', $contents, $file);
        }
    }

    public function test_schoolcore_controllers_do_not_import_islamic_sunday_school_extension_classes(): void
    {
        foreach ($this->phpFiles('app/Http/Controllers/Api/V2') as $file) {
            if (str_contains($file, 'IslamicSundaySchool')) {
                continue;
            }
            $contents = file_get_contents($file);
            $this->assertStringNotContainsString('App\\Domain\\IslamicSundaySchool', $contents, $file);
        }
    }

    public function test_bulk_send_controller_requires_preview_dto_path(): void
    {
        $file = dirname(__DIR__, 2).'/app/Http/Controllers/Api/V2/Communication/BulkSendController.php';
        $contents = file_get_contents($file);
        $this->assertStringContainsString('BulkSendMessageRequest', $contents);
        $this->assertStringContainsString('sendBulkMessage', $contents);
        $this->assertStringNotContainsString('foreach', $contents, 'Bulk controller must not loop recipients.');
    }

    public function test_reporting_controllers_delegate_to_reporting_contracts(): void
    {
        $path = dirname(__DIR__, 2).'/app/Http/Controllers/Api/V2/Reporting';
        foreach ($this->phpFiles('app/Http/Controllers/Api/V2/Reporting') as $file) {
            $contents = file_get_contents($file);
            $this->assertStringNotContainsString('select(', $contents, $file);
            $this->assertStringNotContainsString('join(', $contents, $file);
            $this->assertStringContainsString('Contract', $contents, $file);
        }
    }
}