<?php declare(strict_types=1);

namespace App\Http\Controllers\Site;

use App\Dto\Service\Site\Documentation;
use App\Services\Site\DocumentationService;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

final class DocumentationController extends Controller
{
    public function __construct(
        private readonly DocumentationService $documentationService,
    ) { }

    public function defaultVersion(Request $request): RedirectResponse | View
    {
        $project = $request->get('project');
        $websiteTranslations = $request->get('websiteTranslations');

        $result = $this->documentationService->defaultVersion($project, $request->user());
        if ($result->isError()) {
            if ($result->getCode() === 404) {
                return view('site.projects.documentation.no-default-version', [
                    'project'             => $project,
                    'websiteTranslations' => $websiteTranslations,
                ]);
            }
            $this->errors($result);
        }

        $url = \App\Enums\Site\ProjectSection::DocumentationVersion->url($project, $websiteTranslations->getLanguage(), ['version' => $result->getVersion()->slug]);
        /**
         * 302 redirect because the documentation version can change at any time.
         */
        return redirect($url, 302);
    }

    public function index(Request $request): View
    {
        $documentation = new Documentation(
            project:              $request->get('project'),
            version:              $request->get('version'),
            websiteTranslations:  $request->get('websiteTranslations'),
            user:                 $request->user(),
        );
        $result = $this->documentationService->index($documentation);

        if ($result->isError()) {
            $this->errors($result);
        }

        return view('site.projects.documentation.index', $result->getData());
    }

    public function category(string $slug, Request $request): View
    {
        $documentation = new Documentation(
            project:              $request->get('project'),
            version:              $request->get('version'),
            websiteTranslations:  $request->get('websiteTranslations'),
            user:                 $request->user(),
        );
        $result = $this->documentationService->category($slug, $documentation);

        if ($result->isError()) {
            $this->errors($result);
        }
        if ($result->isTranslation()) {
            return $this->viewPageWithoutTranslation($result);
        }

        return view('site.projects.documentation.category', $result->getData());
    }

    public function view(string $slug, Request $request): View
    {
        $documentation = new Documentation(
            project:              $request->get('project'),
            version:              $request->get('version'),
            websiteTranslations:  $request->get('websiteTranslations'),
            user:                 $request->user(),
        );
        $result = $this->documentationService->view($slug, $documentation);

        if ($result->isError()) {
            $this->errors($result);
        }
        if ($result->isTranslation()) {
            return $this->viewPageWithoutTranslation($result);
        }

        return view('site.projects.documentation.view', $result->getData());
    }
}