<?php
/**
 * Created by Error202
 * Date: 01.08.2018
 */

namespace common\modules\forms\controllers;


use common\modules\forms\entities\Form;
use common\modules\forms\services\FormMessageManageService;
use frontend\components\FrontendController;
use yii\base\Model;
use yii\helpers\Html;
use yii\helpers\Json;
use yii\mail\MailerInterface;
use yii\web\NotFoundHttpException;
use Yii;

class FormController extends FrontendController
{
	public $mailer;
	public $message_service;

	public function __construct( string $id, $module, MailerInterface $mailer, FormMessageManageService $message_service, array $config = [] ) {
		parent::__construct( $id, $module, $config );
		$this->mailer = $mailer;
		$this->message_service = $message_service;
	}

	public function actionSend($id)
	{
		$form = $this->findModel($id);

		$className = 'DynaForm' . $id;
		$classPath = '\\common\\modules\\forms\\runtime\\' . $className;

		/* @var $dynaForm Model */
		$dynaForm = new $classPath();

		if ($dynaForm->load(Yii::$app->request->post()) && $dynaForm->validate()) {
			// send message
			$this->sendMessage($form->data, $form, $dynaForm);

			if ($form->complete_page_id) {
				return $this->redirect(['/pages/page/view', 'id' => $form->complete_page_id]);
			}
			//return $form->complete_text;
			return $this->render('view', ['text' => $form->complete_text]);
		}
		return $this->redirect(Yii::$app->request->referrer);
	}

	private function sendMessage($json_string, Form $form, $dynaForm)
	{
		$messageItems = $this->prepareItems($json_string, $dynaForm);
		// save message
		$this->message_service->create($form->id, Json::encode($messageItems, JSON_UNESCAPED_UNICODE));
		//prepare e-mail message
		$sent = $this->mailer->compose(
			['html' => '@common/modules/forms/mail/form-html', 'text' => '@common/modules/forms/mail/form-text'],
			['items' => $messageItems]
		)
             ->setTo($form->from)
			 ->setReplyTo(isset($form->reply) ? $form->reply : $form->from)
             ->setSubject($form->subject)
             ->send();
		if (!$sent) {
			throw new \RuntimeException('Sending error.');
		}
	}

	private function prepareItems($json_string, $dynaForm): array
	{
		$items = [];
		$json = Json::decode($json_string, true);
		foreach ($json as $item) {
			if ($item['type'] == 'button') {continue;}
			if ($item['type'] == 'paragraph') {continue;}
			if ($item['type'] == 'header') {continue;}

			$item['name'] = str_replace( '-', '_', $item['name'] );
			$items[] = [
				'key' => isset($item['label']) ? $item['label'] : '',
				'value' => is_array($dynaForm->{$item['name']}) ? implode(', ', array_map(function($el){return Html::encode($el);}, $dynaForm->{$item['name']})) : Html::encode($dynaForm->{$item['name']}),
			];
		}
		return $items;
	}

	/*private function prepareMessage($json_string, $dynaForm): string
	{
		$message = '';
		$json = Json::decode($json_string, true);
		foreach ($json as $item) {
			if ($item['type'] == 'button') {continue;}
			$item['name'] = str_replace('-', '_', $item['name']);
			$message.=$item['label'] . ': ' . Html::encode($dynaForm->{$item['name']}) . "\n";
		}
		return $message;
	}*/

	protected function findModel($id): Form
	{
		if (($model = Form::findOne($id)) !== null) {
			return $model;
		}
		throw new NotFoundHttpException('The requested form does not exist.');
	}
}