<?php	/*
	 * Klasa: SimpleFlaker
	 * Wersja: 1.0
	 * Dokumentacja: http://simple.sher.pl
	 * Autor: Adam Stankiewicz - http://sher.pl
	 */
	class SimpleFlaker {
		public $logged = false;

		protected $curl;
		protected $username;
		protected $password;
		protected $root = 'http://api.flaker.pl/api';

		// Domyślne opcje dla cURL
		protected $curloptions = array(
			CURLOPT_RETURNTRANSFER  => 1,
			CURLOPT_CONNECTTIMEOUT  => 10
		);

		// Domyśle opcje dla pobierania wpisów
		protected $defaults = array(
			'avatars' => 'medium',
			'limit' => 1,
			'sort' => 'desc',
			'comments' => 'false',
		);

		public function __construct($username = '', $password = '', $includes = '') {
			$this->curl = curl_init();
			curl_setopt_array($this->curl, $this->curloptions);

			$this->username($username);
			$this->password($password);

			if(!empty($includes)) $this->default['includes'] = $includes;
		}

		// Ewentualne wywołanie metody lub pobranie wartości z tablicy defaults
		public function __get($name) {
			$name = strtolower($name);
			if(array_key_exists($name, $this->defaults)) {
				return $this->defaults[$name];
			}
			return call_user_func_array(array('SimpleFlaker', $name), array());
		}

		// Ewentualne wywołanie metody z jednym parametrem
		public function __set($name, $value) {
			$this->defaults[$name] = $value;
			return $this;
		}

		// Jeśli dana funkcja nie istnieje, pobież zmienną o takiej nazwie
		public function __call($name, $args) {
			array_unshift($args, $name);
			return call_user_func_array(array('SimpleFlaker', 'entries'), $args);
		}

		// Ustawnia bieżącą nazwę użytkownika
		public function username($username = '') {
			if(!empty($username)) {
				$this->username = $username;
				$this->logged = $this->logged();
			}
			return $this->username;
		}

		// Ustawia bieżące hasło
		public function password($password = '') {
			if(!empty($password))  {
				$this->password = $password;
				$this->logged = $this->logged();
			}
			return $this->password;
		}

		// Sprawdza czy podana nazwa użytkownika i hasło są prawidłowe
		public function logged() {
			if(!empty($this->username) && !empty($this->password)) {
				$this->curloptions[CURLOPT_HTTPAUTH] = CURLAUTH_BASIC;
				$this->curloptions[CURLOPT_USERPWD]  = $this->username . ':' . $this->password;
				try {
					$this->request(array('type' => 'auth'));
				} catch(Exception $e) {
					return false;
				}
				return true;
			}
			return false;
		}

		// Pobieranie wpisów i zwrócenie obiektu json
		public function request($get = '', $post = '') {
			$path = '';
			foreach($get as $k => $v) $path .= '/' . $k . ':' . $v;
			$this->curl = curl_init($this->root . $path);
			curl_setopt_array($this->curl, $this->curloptions);
			if(!empty($post)) {
				curl_setopt($this->curl, CURLOPT_POST, 1);
				curl_setopt($this->curl, CURLOPT_POSTFIELDS, $post);
			}

			$data = curl_exec($this->curl);
			$code = intval(curl_getinfo($this->curl, CURLINFO_HTTP_CODE));
			if($code >= 400) {
				throw new Exception($data, $code);
			}
			curl_close($this->curl);
			$this->curl = null;
			return json_decode($data);
		}

		public function entries($type, $more = '', $options = array()) {
			if($type != 'tag')
				$get = array('type' => $type);
			$post = array();
			
			foreach($this->defaults as $k => $v) {
				if($v) $get[$k] = $v;
			}
			foreach($options as $k => $v) {
				if($v) $get[$k] = $v;
			}
			
			if($more) {
				$more = urlencode($more);
				if($type == 'tag') {
					$get['tag'] = $more;
				} else
				if($type == 'user' || $type == 'friends' || $type == 'tags') {
					$get['login'] = $more;
				} elseif($type == 'source') {
					$get['source'] = $more;
				} elseif($type == 'site' || $type == 'traker') {
					$get['url'] = $more;
				} elseif($type == 'show') {
					$get['entry_id'] = $more;
				} elseif($type == 'story') {
					$get['story'] = $more;
				} elseif($type == 'search') {
					$post['query'] = $more;
				} elseif($type == 'flakosfera') {
					$get['limit'] = $more;
				}
			} else {
				$get['tag'] = 'all';
			}

			return $this->request($get, $post);
		}

		public function bookmark($action, $id) {
			$get = array(
				'type' => 'bookmark',
				'action' => $action,
				'entry_id' => $id,
				'login' => $this->username
			);
			return $this->request($get);
		}

		public function following($username = '') {
			$get = array(
				'type' => 'list',
				'source' => 'following',
				'login' => ($username?$username:$this->username)
			);
			return $this->request($get);
		}

		public function followedby($username = '') {
			$get = array(
				'type' => 'list',
				'source' => 'followedby',
				'login' => ($username?$username:$this->username)
			);
			return $this->request($get);
		}

		public function bookmarks($username = '') {
			$get = array(
				'type' => 'list',
				'source' => 'bookmarks',
				'login' => ($username?$username:$this->username)
			);
			return $this->request($get);
		}

		public function send($message, $link = '') {
			$get = array('type' => 'submit');
			$post = array('text' => $message);
			if(!empty($link)) {
				$post['link'] = $link;
			}
			return $this->request($get, $post);
		}

		public function submit($message, $link = '') {
			return $this->send($message, $link = '');
		}
	}
?>