<?php
declare(strict_types=1);

namespace CakeHtmx\Controller\Component;

use Cake\Controller\Component;
use Cake\Log\Log;
use Cake\Routing\Router;

/**
 * Htmx component
 */
class HtmxComponent extends Component
{
    /**
     * Default configuration.
     *
     * @var array<string, mixed>
     */
    protected array $_defaultConfig = [];

    /**
     * @var \Cake\Controller\Controller
     */
    protected $controller;

    /**
     * @param array $config
     * @return void
     */
    public function initialize(array $config): void {
        parent::initialize($config);

        $this->controller = $this->getController();
    }

    /**
     * Convenience method to check if request is from HTMX
     *
     * @return bool
     */
    public function isHtmx()
    {
        return $this->controller->getRequest()->getHeaderLine('HX-Request') === 'true';
    }

    /**
     * Convenience method to check if request is Boosted
     *
     * @return bool
     */
    public function isBoosted()
    {
        return $this->controller->getRequest()->getHeaderLine('HX-Boosted') === 'true';
    }

    /**
     * Get HTMX target id
     *
     * @return string|null
     */
    public function getHtmxTarget()
    {
        $target = $this->controller->getRequest()->getHeaderLine('HX-Target');

        return $target ?: null;
    }

    /**
     * Get HTMX trigger id
     *
     * @return string|null
     */
    public function getHtmxTrigger()
    {
        $trigger = $this->controller->getRequest()->getHeaderLine('HX-Trigger');

        return $trigger ?: null;
    }

    /**
     * Get HTMX trigger name
     *
     * @return string|null
     */
    public function getHtmxTriggerName()
    {
        $trigger = $this->controller->getRequest()->getHeaderLine('HX-Trigger-Name');

        return $trigger ?: null;
    }

    /**
     * Set headers to cache this request.
     * Opposite of Controller::disableCache()
     *
     * @param array|string $redirectTo
     * @param bool $full if client side redirect should be a full page reload or not
     *
     * @return void
     */
    public function clientSideRedirect(array|string $redirectTo, bool $full = false): void
    {
        $response = $this->controller->getResponse();
        if (is_array($redirectTo)) {
            $redirectTo = Router::url($redirectTo);
        }
        $header = $full ? 'HX-Redirect' : 'HX-Location';
        $response = $response->withHeader($header, $redirectTo);

        $this->controller->setResponse($response);
    }

    /**
     * Set headers to cache this request.
     * Opposite of Controller::disableCache()
     *
     * @param array|string $redirectTo
     * @param bool $full if client side redirect should be a full page reload or not
     *
     * @return void
     */
    public function clientSideRefresh(): void
    {
        $response = $this->controller->getResponse();
        $response = $response->withHeader('HX-Refresh', 'true');

        $this->controller->setResponse($response);
    }

    /**
     * @return void
     */
    public function indexHtmx()
    {
        if ($this->isHtmx() && $this->getHtmxTarget() == 'table-container') {
            return $this->render('/element/' . $this->request->getParam('controller') . '/index/table', 'ajax');
        }
    }
}