<?php declare(strict_types=1);

namespace Lean;

use Lean\Response\{FileDownloadResponse, PdfResponse, ImageResponse, DownloadResponse};

use Picea,
    Picea\Ui\Method\FormContext;

use Psr\Http\Message\ServerRequestInterface;
use Storage\Session;
use Laminas\Diactoros\Response\{EmptyResponse, HtmlResponse, TextResponse, RedirectResponse, JsonResponse};

use Ulmus\EntityCollection;

use Psr\Http\Message\ResponseInterface;

use TheBugs\Email\MailerInterface;

use Notes\Cronard\Annotation\Method\Cronard,
    Notes\Breadcrumb\Annotation\Method\Breadcrumb,
    Notes\Route\Annotation\Object\Route as RouteParam,
    Notes\Route\Annotation\Method\Route,
    Notes\Security\Annotation\Security,
    Notes\Security\Annotation\Taxus,
    Notes\Tell\Annotation\Language;

use function file_get_contents;

#[\Notes\Security\Attribute\Security(locked: true)]
#[\Notes\Route\Attribute\Object\Route(method: [ "GET", "POST", "DELETE" ])]
trait ControllerTrait {
    public ? \Notes\Breadcrumb\Breadcrumb $breadcrumb;

    public ? Session $session;

    public ? Picea\Picea $picea;

    public ? MailerInterface $mailer;

    public array $contextList = [];

    public function exportJson(ServerRequestInterface $request, string $entityClass, bool $includeRelations = true, ? callable $callback = null) : ResponseInterface
    {
        foreach($entityClass::repository()->filterServerRequest( $entityClass::searchRequest()->fromRequest($request->withQueryParams($request->getQueryParams() + ['limit' => PHP_INT_MAX,])) )->loadAll() as $entity) {
            $data[] = $callback ? call_user_func($callback, $entity->toArray($includeRelations)) : $entity->toArray($includeRelations);
        }

        return $this->renderJson( array_filter($data ?? [], function($row) { return $row !== null; }));
    }

    public function renderRawView(string $view, ?array $variables = null) : string
    {
        return $this->picea->renderHtml($view, $variables ?? [], $this);
    }

    public function renderView(string $view, ?array $variables = null) : ResponseInterface
    {
        return static::renderHtml(
            $this->renderRawView($view, $variables ?? [])
        );
    }

    public function renderError(string $errorCode, ?array $variables = null) : ResponseInterface
    {
        return static::renderHtml(
            $this->renderRawView("lean/error/{$errorCode}", $variables ?? [])
        );
    }

    public function renderDocumentation(string $filename) : ResponseInterface
    {
        return $this->renderMarkdown( file_get_contents(getenv("PROJECT_PATH") . "/meta/doc/$filename.md") );
    }

    protected function redirect(string $url, int $code = 302, array $headers = []) {
        return new RedirectResponse($url, $code, $headers);
    }

    public static function renderNothing(int $code = 204, array $headers = []) : ResponseInterface
    {
	    return new EmptyResponse($code, $headers);
    }

    public static function renderText(string $html, int $code = 200, array $headers = []) : ResponseInterface
    {
        return new TextResponse($html, $code, $headers);
    }

    public static function renderHtml(string $html, int $code = 200, array $headers = []) : ResponseInterface
    {
        return new HtmlResponse($html, $code, $headers);
    }

    public static function renderJson(mixed $data, int $code = 200, array $headers = []) : ResponseInterface
    {
        return new JsonResponse($data, $code, $headers);
    }

    public function renderPdf($rawdata, int $status = 200, array $headers = []) : PdfResponse
    {
        return new PdfResponse($rawdata, $status, $headers);
    }

    public static function renderDownloadable(string $data, string $filename, int $code = 200, array $headers = []) : ResponseInterface
    {
        return new DownloadResponse($data, $filename, $code, $headers);
    }

    public static function renderImage(string $data, int $code = 200, array $headers = []) : ResponseInterface
    {
        return new ImageResponse($data, $code, $headers);
    }

    public static function renderAsset(string $path, int $code = 200, array $headers = []) : ResponseInterface
    {
        return new FileDownloadResponse($path, $code, $headers);
    }

    public function fromResponse(ResponseInterface $response)
    {
        if ( $response->getStatusCode() === 200 ) {
            if ( $response instanceof \Laminas\Diactoros\Response\JsonResponse) {
                return $response->getPayload();
            }
        }

        return null;
    }

    public function asset(string $url, array $parameters = []) : string
    {
        if (! $this->picea ) {
            throw new \Exception("A picea object must be provided on class initialization to use this method.");
        }

        return $this->picea->compiler->getExtensionFromToken('asset')->buildAssetUrl($url, $parameters);
    }

    public function url(string $url, array $parameters = []) : string
    {
        if (! $this->picea ) {
            throw new \Exception("A picea object must be provided on class initialization to use this method.");
        }

        return $this->picea->compiler->getExtensionFromToken('url')->buildUrl($url, $parameters);
    }

    public function route(string $name, array $parameters = []) : string
    {
        if (! $this->picea ) {
            throw new \Exception("A picea object must be provided on class initialization to use this method.");
        }

        return $this->picea->compiler->getExtensionFromToken('route')->buildRouteUrl($name, $parameters);
    }

    public function json($data, int $flags = 0) : string
    {
        return htmlentities(json_encode($data, $flags), ENT_QUOTES, 'UTF-8');
    }

    public function pushContext(FormContext $context) : FormContext
    {
        $this->contextList[$context->formName ?? uniqid("context_")] = $context;

        return $context;
    }

    public function context(? string $name = null) : ? FormContext
    {
        return $name ? $this->contextList[$name] : array_values($this->contextList)[0] ?? null;
    }

    public function isRoute(mixed $name, ServerRequestInterface $request) : bool
    {
        foreach((array) $name as $item) {
            if ( fnmatch($item, $request->getAttribute('lean.route')->name) ) {
                return true;
            }
        }

        return false;
    }
}