<?php

namespace MintyPHP\Tests\Architecture;

use PHPUnit\Framework\TestCase;

final class FrontendJsContractsTest extends TestCase
{
    use ProjectFileAssertionSupport;

    public function testNoWindowAlertCallsInCoreAndHelpdeskJs(): void
    {
        $violations = array_merge(
            $this->findPatternMatchesInFiles('web/js', '/window\.alert\s*\(/', ['js']),
            $this->findPatternMatchesInFiles('modules/helpdesk/web/js', '/window\.alert\s*\(/', ['js'])
        );

        $violations = array_values(array_unique($violations));
        sort($violations);

        $this->assertSame([], $violations, "window.alert usage found in JS scope:\n" . implode("\n", $violations));
    }

    public function testHelpdeskRuntimeComponentsDoNotAutoInitialize(): void
    {
        foreach ($this->helpdeskRuntimeComponentFiles() as $file) {
            $content = $this->readProjectFile($file);
            $this->assertStringNotContainsString('DOMContentLoaded', $content, $file);
            $this->assertStringNotContainsString("if (document.readyState === 'loading')", $content, $file);
            $this->assertStringNotContainsString('const container = document.querySelector', $content, $file);
        }
    }

    public function testHelpdeskRuntimeComponentsExposeDestroyLifecycle(): void
    {
        foreach ($this->helpdeskRuntimeComponentFiles() as $file) {
            $content = $this->readProjectFile($file);
            $this->assertStringContainsString('destroy:', $content, $file);
        }
    }

    public function testHelpdeskJsUsesCentralHttpLayer(): void
    {
        $violations = $this->findPatternMatchesInFiles('modules/helpdesk/web/js', '/\bfetch\s*\(/', ['js']);
        $this->assertSame([], $violations, "Direct fetch(...) found in helpdesk JS:\n" . implode("\n", $violations));
    }

    public function testHelpdeskImportPolicyForCoreAndSiblingModules(): void
    {
        $root = $this->projectRootPath();
        $base = $root . '/modules/helpdesk/web/js';
        $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($base, \FilesystemIterator::SKIP_DOTS));

        $violations = [];

        /** @var \SplFileInfo $file */
        foreach ($iterator as $file) {
            if (!$file->isFile() || $file->getExtension() !== 'js') {
                continue;
            }

            $content = file_get_contents($file->getPathname());
            $this->assertNotFalse($content, 'Could not read file: ' . $file->getPathname());
            $relativePath = str_replace($root . '/', '', $file->getPathname());

            preg_match_all('/^\s*import\s+(?:[^\"\']+\s+from\s+)?[\"\']([^\"\']+)[\"\']/m', $content, $matches);
            foreach ($matches[1] as $importPathRaw) {
                $importPath = (string) $importPathRaw;

                if (str_starts_with($importPath, '/js/')) {
                    continue;
                }

                if (str_starts_with($importPath, './') || str_starts_with($importPath, '../')) {
                    if (preg_match('#(?:^|/)js/(core|components|pages)/#', $importPath) === 1) {
                        $violations[] = $relativePath . ' => relative core import: ' . $importPath;
                    }
                    continue;
                }

                $violations[] = $relativePath . ' => invalid import path: ' . $importPath;
            }
        }

        $violations = array_values(array_unique($violations));
        sort($violations);

        $this->assertSame([], $violations, "Helpdesk import policy violations:\n" . implode("\n", $violations));
    }

    public function testLookupFieldComponentExportsRuntimeInitializerWithoutAutoInit(): void
    {
        $content = $this->readProjectFile('web/js/components/app-lookup-field.js');

        $this->assertStringContainsString('export function initLookupFields', $content);
        $this->assertStringContainsString('destroy:', $content);
        $this->assertStringNotContainsString('DOMContentLoaded', $content);
    }

    /**
     * @return list<string>
     */
    private function helpdeskRuntimeComponentFiles(): array
    {
        return [
            'modules/helpdesk/web/js/helpdesk-detail.js',
            'modules/helpdesk/web/js/helpdesk-domain-detail.js',
            'modules/helpdesk/web/js/helpdesk-ticket.js',
            'modules/helpdesk/web/js/helpdesk-team.js',
            'modules/helpdesk/web/js/helpdesk-risk-radar.js',
            'modules/helpdesk/web/js/helpdesk-settings.js',
            'modules/helpdesk/web/js/handover-domain-select.js',
            'modules/helpdesk/web/js/handover-schema-editor.js',
        ];
    }
}