<?php

namespace Rapsys\AirBundle\Controller;

use Rapsys\AirBundle\Entity\Application;
use Rapsys\AirBundle\Entity\Location;
use Rapsys\AirBundle\Entity\Session;
use Rapsys\AirBundle\Entity\Slot;
use Rapsys\AirBundle\Entity\User;
use Rapsys\AirBundle\Pdf\DisputePdf;
use Rapsys\UserBundle\Utils\Slugger;
use Symfony\Bridge\Twig\Mime\TemplatedEmail;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Form\FormError;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
use Symfony\Component\Mailer\MailerInterface;
use Symfony\Component\Mime\Address;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Component\Routing\RouterInterface;
use Symfony\Component\Translation\TranslatorInterface;
use Symfony\Bundle\FrameworkBundle\Controller\ControllerTrait;
use Symfony\Component\DependencyInjection\ContainerAwareTrait;


class DefaultController {
	use ControllerTrait {
		//Rename render as _render
		render as protected _render;
	}

	///Config array
	protected $config;

	///Context array
	protected $context;

	///Router instance
	protected $router;

	///Translator instance
	protected $translator;

	/**
	 * @var ContainerInterface
	 */
	protected $container;

	/**
	 * Inject container and translator interface
	 *
	 * @param ContainerInterface $container The container instance
	 * @param RouterInterface $router The router instance
	 * @param TranslatorInterface $translator The translator instance
	 */
	public function __construct(ContainerInterface $container, RouterInterface $router, RequestStack $requestStack, TranslatorInterface $translator) {
		//Retrieve config
		$this->config = $container->getParameter($this->getAlias());

		//Set the container
		$this->container = $container;

		//Set the router
		$this->router = $router;

		//Set the translator
		$this->translator = $translator;

		//Set the context
		$this->context = [
			'copy' => [
				'by' => $translator->trans($this->config['copy']['by']),
				'link' => $this->config['copy']['link'],
				'long' => $translator->trans($this->config['copy']['long']),
				'short' => $translator->trans($this->config['copy']['short']),
				'title' => $this->config['copy']['title']
			],
			'site' => [
				'ico' => $this->config['site']['ico'],
				'logo' => $this->config['site']['logo'],
				'png' => $this->config['site']['png'],
				'svg' => $this->config['site']['svg'],
				'title' => $translator->trans($this->config['site']['title']),
				'url' => $router->generate($this->config['site']['url']),
			],
			'canonical' => null,
			'alternates' => [],
			'forms' => []
		];

		//Get current locale
		#$currentLocale = $router->getContext()->getParameters()['_locale'];
		$currentLocale = $requestStack->getCurrentRequest()->getLocale();

		//Set translator locale
		//XXX: allow LocaleSubscriber on the fly locale change for first page
		$this->translator->setLocale($currentLocale);

		//Iterate on locales excluding current one
		foreach($this->config['locales'] as $locale) {
			//Set titles
			$titles = [];

			//Iterate on other locales
			foreach(array_diff($this->config['locales'], [$locale]) as $other) {
				$titles[$other] = $translator->trans($this->config['languages'][$locale], [], null, $other);
			}

			//Get context path
			$path = $router->getContext()->getPathInfo();

			//Retrieve route matching path
			$route = $router->match($path);

			//Get route name
			$name = $route['_route'];

			//Unset route name
			unset($route['_route']);

			//With current locale
			if ($locale == $currentLocale) {
				//Set locale locales context
				$this->context['canonical'] = $router->generate($name, ['_locale' => $locale]+$route, UrlGeneratorInterface::ABSOLUTE_URL);
			} else {
				//Set locale locales context
				$this->context['alternates'][] = [
					'lang' => $locale,
					'absolute' => $router->generate($name, ['_locale' => $locale]+$route, UrlGeneratorInterface::ABSOLUTE_URL),
					'relative' => $router->generate($name, ['_locale' => $locale]+$route),
					'title' => implode('/', $titles),
					'translated' => $translator->trans($this->config['languages'][$locale], [], null, $locale)
				];
			}
		}
	}

	/**
	 * The contact page
	 *
	 * @desc Send a contact mail to configured contact
	 *
	 * @param Request $request The request instance
	 * @param MailerInterface $mailer The mailer instance
	 *
	 * @return Response The rendered view or redirection
	 */
	public function contact(Request $request, MailerInterface $mailer): Response {
		//Set section
		$section = $this->translator->trans('Contact');

		//Set description
		$this->context['description'] = $this->translator->trans('Contact Libre Air');

		//Set keywords
		$this->context['keywords'] = [
			$this->translator->trans('contact'),
			$this->translator->trans('Libre Air'),
			$this->translator->trans('outdoor'),
			$this->translator->trans('Argentine Tango'),
			$this->translator->trans('calendar')
		];

		//Set title
		$title = $this->translator->trans($this->config['site']['title']).' - '.$section;

		//Create the form according to the FormType created previously.
		//And give the proper parameters
		$form = $this->createForm('Rapsys\AirBundle\Form\ContactType', null, [
			'action' => $this->generateUrl('rapsys_air_contact'),
			'method' => 'POST'
		]);

		if ($request->isMethod('POST')) {
			// Refill the fields in case the form is not valid.
			$form->handleRequest($request);

			if ($form->isValid()) {
				//Get data
				$data = $form->getData();

				//Create message
				$message = (new TemplatedEmail())
					//Set sender
					->from(new Address($data['mail'], $data['name']))
					//Set recipient
					//XXX: remove the debug set in vendor/symfony/mime/Address.php +46
					->to(new Address($this->config['contact']['mail'], $this->config['contact']['name']))
					//Set subject
					->subject($data['subject'])

					//Set path to twig templates
					->htmlTemplate('@RapsysAir/mail/contact.html.twig')
					->textTemplate('@RapsysAir/mail/contact.text.twig')

					//Set context
					->context(
						[
							'subject' => $data['subject'],
							'message' => strip_tags($data['message']),
						]+$this->context
					);

				//Try sending message
				//XXX: mail delivery may silently fail
				try {
					//Send message
					$mailer->send($message);

					//Redirect on the same route with sent=1 to cleanup form
					return $this->redirectToRoute($request->get('_route'), ['sent' => 1]+$request->get('_route_params'));
				//Catch obvious transport exception
				} catch(TransportExceptionInterface $e) {
					if ($message = $e->getMessage()) {
						//Add error message mail unreachable
						$form->get('mail')->addError(new FormError($this->translator->trans('Unable to contact: %mail%: %message%', ['%mail%' => $this->config['contact']['mail'], '%message%' => $this->translator->trans($message)])));
					} else {
						//Add error message mail unreachable
						$form->get('mail')->addError(new FormError($this->translator->trans('Unable to contact: %mail%', ['%mail%' => $this->config['contact']['mail']])));
					}
				}
			}
		}

		//Render template
		return $this->render('@RapsysAir/form/contact.html.twig', ['title' => $title, 'section' => $section, 'form' => $form->createView(), 'sent' => $request->query->get('sent', 0)]+$this->context);
	}


	/**
	 * The dispute page
	 *
	 * @desc Generate a dispute document
	 *
	 * @param Request $request The request instance
	 * @param MailerInterface $mailer The mailer instance
	 *
	 * @return Response The rendered view or redirection
	 */
	public function dispute(Request $request, MailerInterface $mailer): Response {
		//Prevent non-guest to access here
		$this->denyAccessUnlessGranted('ROLE_USER', null, $this->translator->trans('Unable to access this page without role %role%!', ['%role%' => $this->translator->trans('User')]));
		//Set section
		$section = $this->translator->trans('Dispute');

		//Set description
		$this->context['description'] = $this->translator->trans('Libre Air dispute');

		//Set keywords
		$this->context['keywords'] = [
			$this->translator->trans('dispute'),
			$this->translator->trans('Libre Air'),
			$this->translator->trans('outdoor'),
			$this->translator->trans('Argentine Tango'),
			$this->translator->trans('calendar')
		];

		//Set title
		$title = $this->translator->trans($this->config['site']['title']).' - '.$section;

		//Create the form according to the FormType created previously.
		//And give the proper parameters
		$form = $this->createForm('Rapsys\AirBundle\Form\DisputeType', ['court' => 'Paris', 'abstract' => 'Pour constater cette prétendue infraction, les agents verbalisateurs ont pénétré dans un jardin privatif, sans visibilité depuis la voie publique, situé derrière un batiment privé, pour ce faire ils ont franchi au moins un grillage de chantier ou des potteaux métalliques séparant le terrain privé de la voie publique de l\'autre côté du batiment.'], [
			'action' => $this->generateUrl('rapsys_air_dispute'),
			'method' => 'POST'
		]);

		if ($request->isMethod('POST')) {
			// Refill the fields in case the form is not valid.
			$form->handleRequest($request);

			if ($form->isValid()) {
				//Get data
				$data = $form->getData();

				//Gathering offense
				if (!empty($data['offense']) && $data['offense'] == 'gathering') {
					//Add gathering
					$output = DisputePdf::genGathering($data['court'], $data['notice'], $data['agent'], $data['service'], $data['abstract'], $this->translator->trans($this->getUser()->getCivility()->getTitle()), $this->getUser()->getForename(), $this->getUser()->getSurname());
				//Traffic offense
				} elseif (!empty($data['offense'] && $data['offense'] == 'traffic')) {
					//Add traffic
					$output = DisputePdf::genTraffic($data['court'], $data['notice'], $data['agent'], $data['service'], $data['abstract'], $this->translator->trans($this->getUser()->getCivility()->getTitle()), $this->getUser()->getForename(), $this->getUser()->getSurname());
				//Unsupported offense
				} else {
					header('Content-Type: text/plain');
					die('TODO');
					exit;
				}

				//Send common headers
				header('Content-Type: application/pdf');

				//Send remaining headers
				header('Cache-Control: private, max-age=0, must-revalidate');
				header('Pragma: public');

				//Send content-length
				header('Content-Length: '.strlen($output));

				//Display the pdf
				echo $output;

				//Die for now
				exit;

#				//Create message
#				$message = (new TemplatedEmail())
#					//Set sender
#					->from(new Address($data['mail'], $data['name']))
#					//Set recipient
#					//XXX: remove the debug set in vendor/symfony/mime/Address.php +46
#					->to(new Address($this->config['contact']['mail'], $this->config['contact']['name']))
#					//Set subject
#					->subject($data['subject'])
#
#					//Set path to twig templates
#					->htmlTemplate('@RapsysAir/mail/contact.html.twig')
#					->textTemplate('@RapsysAir/mail/contact.text.twig')
#
#					//Set context
#					->context(
#						[
#							'subject' => $data['subject'],
#							'message' => strip_tags($data['message']),
#						]+$this->context
#					);
#
#				//Try sending message
#				//XXX: mail delivery may silently fail
#				try {
#					//Send message
#					$mailer->send($message);
#
#					//Redirect on the same route with sent=1 to cleanup form
#					return $this->redirectToRoute($request->get('_route'), ['sent' => 1]+$request->get('_route_params'));
#				//Catch obvious transport exception
#				} catch(TransportExceptionInterface $e) {
#					if ($message = $e->getMessage()) {
#						//Add error message mail unreachable
#						$form->get('mail')->addError(new FormError($this->translator->trans('Unable to contact: %mail%: %message%', ['%mail%' => $this->config['contact']['mail'], '%message%' => $this->translator->trans($message)])));
#					} else {
#						//Add error message mail unreachable
#						$form->get('mail')->addError(new FormError($this->translator->trans('Unable to contact: %mail%', ['%mail%' => $this->config['contact']['mail']])));
#					}
#				}
			}
		}

		//Render template
		return $this->render('@RapsysAir/form/dispute.html.twig', ['title' => $title, 'section' => $section, 'form' => $form->createView(), 'sent' => $request->query->get('sent', 0)]+$this->context);
	}

	/**
	 * The index page
	 *
	 * @desc Display all granted sessions with an application or login form
	 *
	 * @param Request $request The request instance
	 *
	 * @return Response The rendered view
	 */
	public function index(Request $request): Response {
		//Fetch doctrine
		$doctrine = $this->getDoctrine();

		//Set section
		$section = $this->translator->trans('Argentine Tango in Paris');

		//Set description
		$this->context['description'] = $this->translator->trans('Outdoor Argentine Tango session calendar in Paris');

		//Set keywords
		$this->context['keywords'] = [
			$this->translator->trans('Argentine Tango'),
			$this->translator->trans('Paris'),
			$this->translator->trans('outdoor'),
			$this->translator->trans('calendar'),
			$this->translator->trans('Libre Air')
		];

		//Set title
		$title = $this->translator->trans($this->config['site']['title']).' - '.$section;

		//Compute period
		$period = new \DatePeriod(
			//Start from first monday of week
			new \DateTime('Monday this week'),
			//Iterate on each day
			new \DateInterval('P1D'),
			//End with next sunday and 4 weeks
			new \DateTime(
				$this->isGranted('IS_AUTHENTICATED_REMEMBERED')?'Monday this week + 3 week':'Monday this week + 2 week'
			)
		);

		//Fetch calendar
		$calendar = $doctrine->getRepository(Session::class)->fetchCalendarByDatePeriod($this->translator, $period, null, $request->get('session'), !$this->isGranted('IS_AUTHENTICATED_REMEMBERED'));

		//Fetch locations
		//XXX: we want to display all active locations anyway
		$locations = $doctrine->getRepository(Location::class)->findTranslatedSortedByPeriod($this->translator, $period);

		//Render the view
		return $this->render('@RapsysAir/default/index.html.twig', ['title' => $title, 'section' => $section, 'calendar' => $calendar, 'locations' => $locations]+$this->context);

		//Set Cache-Control must-revalidate directive
		//TODO: add a javascript forced refresh after 1h ? or header refresh ?
		#$response->setPublic(true);
		#$response->setMaxAge(300);
		#$response->mustRevalidate();
		##$response->setCache(['public' => true, 'max_age' => 300]);

		//Return the response
		#return $response;
	}

	/**
	 * The organizer regulation page
	 *
	 * @desc Display the organizer regulation policy
	 *
	 * @return Response The rendered view
	 */
	public function organizerRegulation(): Response {
		//Set section
		$section = $this->translator->trans('Organizer regulation');

		//Set description
		$this->context['description'] = $this->translator->trans('Libre Air organizer regulation');

		//Set keywords
		$this->context['keywords'] = [
			$this->translator->trans('organizer regulation'),
			$this->translator->trans('Libre Air')
		];

		//Set title
		$title = $this->translator->trans($this->config['site']['title']).' - '.$section;

		//Render template
		return $this->render('@RapsysAir/default/organizer_regulation.html.twig', ['title' => $title, 'section' => $section]+$this->context);
	}

	/**
	 * The terms of service page
	 *
	 * @desc Display the terms of service policy
	 *
	 * @return Response The rendered view
	 */
	public function termsOfService(): Response {
		//Set section
		$section = $this->translator->trans('Terms of service');

		//Set description
		$this->context['description'] = $this->translator->trans('Libre Air terms of service');

		//Set keywords
		$this->context['keywords'] = [
			$this->translator->trans('terms of service'),
			$this->translator->trans('Libre Air')
		];

		//Set title
		$title = $this->translator->trans($this->config['site']['title']).' - '.$section;

		//Render template
		return $this->render('@RapsysAir/default/terms_of_service.html.twig', ['title' => $title, 'section' => $section]+$this->context);
	}

	/**
	 * The frequently asked questions page
	 *
	 * @desc Display the frequently asked questions
	 *
	 * @return Response The rendered view
	 */
	public function frequentlyAskedQuestions(): Response {
		//Set section
		$section = $this->translator->trans('Frequently asked questions');

		//Set description
		$this->context['description'] = $this->translator->trans('Libre Air frequently asked questions');

		//Set keywords
		$this->context['keywords'] = [
			$this->translator->trans('frequently asked questions'),
			$this->translator->trans('faq'),
			$this->translator->trans('Libre Air')
		];

		//Set title
		$title = $this->translator->trans($this->config['site']['title']).' - '.$section;

		//Render template
		return $this->render('@RapsysAir/default/frequently_asked_questions.html.twig', ['title' => $title, 'section' => $section]+$this->context);
	}

	/**
	 * Return the bundle alias
	 *
	 * {@inheritdoc}
	 */
	public function getAlias(): string {
		return 'rapsys_air';
	}

	/**
	 * Renders a view
	 *
	 * {@inheritdoc}
	 */
	protected function render(string $view, array $parameters = [], Response $response = null): Response {
		//Create application form for role_guest
		if ($this->isGranted('ROLE_GUEST')) {
			//Without application form
			if (empty($parameters['forms']['application'])) {
				//Fetch doctrine
				$doctrine = $this->getDoctrine();

				//Create ApplicationType form
				$application = $this->createForm('Rapsys\AirBundle\Form\ApplicationType', null, [
					//Set the action
					'action' => $this->generateUrl('rapsys_air_application_add'),
					//Set the form attribute
					'attr' => [ 'class' => 'col' ],
					//Set admin
					'admin' => $this->isGranted('ROLE_ADMIN'),
					//Set default user to current
					'user' => $this->getUser()->getId(),
					//Set default slot to evening
					//XXX: default to Evening (3)
					'slot' => $doctrine->getRepository(Slot::class)->findOneById(3)
				]);

				//Add form to context
				$parameters['forms']['application'] = $application->createView();
			}
		//Create login form for anonymous
		} elseif (!$this->isGranted('IS_AUTHENTICATED_REMEMBERED')) {
			//Create ApplicationType form
			$login = $this->createForm('Rapsys\UserBundle\Form\LoginType', null, [
				//Set the action
				'action' => $this->generateUrl('rapsys_user_login'),
				//Set the form attribute
				'attr' => [ 'class' => 'col' ]
			]);

			//Add form to context
			$parameters['forms']['login'] = $login->createView();
		}

		//Call parent method
		return $this->_render($view, $parameters, $response);
	}
}