<?php
class Mailjet_SyncEventModuleFrontController extends ModuleFrontController
{
	public function postProcess()
	{
		if (!Configuration::get('MAILJETSYNC_EVENT_TOKEN'))
		{
			header('HTTP/1.1 405 Method Not Allowed');
			die('0');
		}

		if (!Tools::getIsset('token') ||
			Tools::getValue('token') != Configuration::get('MAILJETSYNC_EVENT_TOKEN'))
		{
			header('HTTP/1.1 401 Unauthorized');
			die('0');
		}

		$post = trim(Tools::file_get_contents('php://input'));
		if (empty($post))
		{
			header('HTTP/1.1 421 No event');
			die('0');
		}

		$t = Tools::jsonDecode($post, true);
		if (!is_array($t) || !isset($t['event']))
		{
			header('HTTP/1.1 422 Not ok');
			die('0');
		}

		switch ($t['event'])
		{
			case 'unsub':
				if (!array_key_exists('email', $t))
				{
					header('HTTP/1.1 400 Bad Request');
					die('0');
				}
				$c = new Customer();
				if ($c->getByEmail($t['email']))
				{
					if ($c->newsletter == 0)
					{
						header('HTTP/1.1 304 Not Modified');
						die('0');
					}
					else
					{
						$c->newsletter					= 0;
						$c->ip_registration_newsletter	= null;
						$c->newsletter_date_add			= null;
						$c->update();
						header('HTTP/1.1 200 OK');
						die('1');
					}
				}
				else
				{
					header('HTTP/1.1 404 Not Found');
					die('0');
				}
				break;
			default:
				header('HTTP/1.1 423 No handler');
				die('0');
		}
	}
}