<?php
/**
 * portfolio contact page
 *
 * @author 		andrew harrison <andrew@harrison.nu>
 * @copyright 	creative commons attribution-shareAlike 3.0 unported
 * @license 	http://creativecommons.org/licenses/by-sa/3.0/ 
 * @version 	0.0.1
 */
namespace app;
class contact extends base {
	/**
	 * index
	 * display the about page
	 */
	function index() {
		$this->qoob->load('qoob\core\view\stache');

		$content = $this->qoob->stache->render(
			'nav', 
			array(
				'domain' => $this->domain,
				'contact' => 'class="active"'
			),
			true
		);

		$content .= $this->qoob->stache->render(
			'contact', 
			array(
				'domain' => $this->domain
			),
			true
		);

		$this->qoob->stache->render(
			'template', 
			array(
				'author' => \library::get('CONFIG.GENERAL.author'),
				'copyright' => \library::get('CONFIG.GENERAL.copyrightHTML'),
				'keywords' => \library::get('CONFIG.GENERAL.keywords'),
				'description' => \library::get('CONFIG.GENERAL.description'),
				'domain' => $this->domain,
				'title' => 'personal programming portfolio',
				'page' => 'contact',
				'content' => $content,
				'year'=> date('Y'), 
			)
		);
	}
	/**
	 * thank_you
	 * display an email sending success message
	 */
	function thank_you() {
		$this->qoob->load('qoob\core\view\stache');

		$content = $this->qoob->stache->render(
			'nav', 
			array(
				'domain' => $this->domain,
				'contact' => 'class="active"'
			),
			true
		);

		$content .= $this->qoob->stache->render(
			'thank-you', 
			array(
				'domain' => $this->domain
			),
			true
		);

		$this->qoob->stache->render(
			'template', 
			array(
				'author' => \library::get('CONFIG.GENERAL.author'),
				'copyright' => \library::get('CONFIG.GENERAL.copyrightHTML'),
				'keywords' => \library::get('CONFIG.GENERAL.keywords'),
				'description' => \library::get('CONFIG.GENERAL.description'),
				'domain' => $this->domain,
				'title' => 'personal programming portfolio',
				'page' => 'contact',
				'content' => $content,
				'year'=> date('Y'), 
			)
		);
	}
	/**
	 * send
	 * email form action
	 *
	 * @param array $args
	 */
	public function send($args) {
		$name = isset($args['name']) ? $args['name'] : '';
		$email = isset($args['email']) ? $args['email'] : '';
		$message = isset($args['message']) ? $args['message'] : '';

		if($name == '' || $email == '' || $message == '') {
			throw new \Exception("Missing required values", 500);
		}
		if(!filter_var($email, FILTER_VALIDATE_EMAIL)) {
			throw new \Exception("Invalid email address", 500);	
		}
		$this->antispam_init(
			\library::get('CONFIG.AKISMET.key'), 
			'http://andrew.harrison.nu/contact', 
			\library::get('CONFIG.AKISMET.ua')
		);
		if(!$this->check_spam(array(
			'comment_content' => $message, 
			'comment_author' => $name, 
			'comment_author_email' => $email
		))) {
			$to = \library::get('CONFIG.AKISMET.to');
			$from = \library::get('CONFIG.AKISMET.from');
			$subject = \library::get('CONFIG.AKISMET.subject');
			ini_set('sendmail_from', $from);
			$sent = mail(
				$to,
				$subject,
				$message,
				'MIME-Version: 1.0'."\r\n".'Content-type: text/html; charset=utf8'."\r\n".'From: '.$from."\r\nReply-To: ".$email
			);
			header('location: '.$this->domain.'/contact/thank_you');
		} else {
			throw new \Exception("Spam detected!", 500);
		}

	}	
	/**
	 * init antispam
	 * load and setup akismet utility
	 *
	 * @param string $key
	 * @param string $url
	 * @param string $api
	 */
	private function antispam_init($key, $url, $api) {
		$this->qoob->load('qoob\utils\akismet');
		$this->qoob->akismet->init(
			$key,
			$url,
			$api
		);
	}
	/**
	 * check spam
	 * test array of values against the akismet api
	 *
	 * @param array $args user_ip, user_agent, comment_content, comment_author, comment_author_email, etc
	 * @return boolean
	 */
	private function check_spam($args) {
		if(!empty($args)) {
			//set required defaults if missing
			if(!isset($args['user_ip'])) {
				$args['user_ip'] = isset($_SERVER["REMOTE_ADDR"]) ? $_SERVER["REMOTE_ADDR"] : '127.0.0.1';
			}
			if(!isset($args['user_agent'])) {
				$args['user_agent'] = isset($_SERVER["HTTP_USER_AGENT"]) ? $_SERVER["HTTP_USER_AGENT"] : 'unknown';
			}
			if(!isset($args['comment_content'])) {
				$args['comment_content'] = '';
			}
			if(!isset($args['comment_author'])) {
				$args['comment_author'] = '';
			}
			if(!isset($args['comment_author_email'])) {
				$args['comment_author_email'] = '';
			}
			if($this->qoob->akismet->check($args)) {
				return true;
			} else {
				return false;
			}
		}
	}
}

?>