<?php

// TODO global.php MUST BE PLACED ONE FILE LEVEL ABOVE TO FUNCTION
include_once '../global.php';

// get the identifier for the page we want to load
$action = $_GET['action'];

// instantiate a controller and route it
$sc = new Index();
$sc->route($action);


class Index{

	// route us to the appropriate class method for this action
	public function route($action) {
		switch($action) {

			// home page, login, logout
			case 'home':
				$this->home();
				$this->getTemp('London');
				break;
			case 'login':
				$this->login();
				break;
			case 'loginSubmit':
				$username = $_POST['username'];
				$password = $_POST['pw'];
				$this -> loginSubmit($username, $password);
				break;
			case 'logout':
				$this -> logout();
				break;
			case 'register':
				$this -> register();
				break;
			case 'confirm_reg':
				$this -> confirm_reg();
				break;

			// add location/people
			case 'add_loc':
				$this->add_loc();
				break;
			case 'confirm_loc':
				$this->confirm_loc();
				break;
			case 'add_person':
				$this->add_person();
				break;
			case 'confirm_person':
				$this->confirm_person();
				break;

			// display/edit people
			case 'view_person':
				$name = $_GET['name'];
				$this->view_person($name);
				break;
			case 'edit_person':
				$name = $_GET['name'];
				$this->edit_person($name);
				break;
			case 'edit_person_complete':
				$name = $_GET['name'];
				$this->edit_person_complete($name);
				break;
			case 'person_article_complete':
				$name = $_GET['name'];
				$this->person_article_complete($name);
				break;
			case 'person_delete':
				$name = $_GET['name'];
				$this->person_delete($name);
				break;

			// display/edit locations
			case 'view_loc':
				$name = $_GET['name'];
				$this->view_loc($name);
				break;
			case 'edit_loc':
				$name = $_GET['name'];
				$this->edit_loc($name);
				break;
			case 'edit_loc_complete':
				$name = $_GET['name'];
				$this->edit_loc_complete($name);
				break;
			case 'loc_article_complete':
				$name = $_GET['name'];
				$this->loc_article_complete($name);
				break;
			case 'loc_delete':
				$name = $_GET['name'];
				$this->loc_delete($name);
				break;

			// list view
			case 'list_locations':
				$this->list_locations();
				break;
			case 'list_people':
				$this->list_people();
				break;
			case 'list_community':
				$this->list_community();
				break;

			// profiles
			case 'view_profile':
				$name = $_GET['name'];
				$this -> view_profile($name);
				break;
			case 'edit_profile':
				$name = $_GET['name'];
				$this -> edit_profile($name);
				break;
			case 'edit_profile_complete':
				$name = $_GET['name'];
				$this -> edit_profile_complete($name);
				break;
			case 'follow':
				$name = $_GET['name'];
				$this -> follow($name);
				break;
			case 'unfollow':
				$name = $_GET['name'];
				$this -> unfollow($name);
				break;

		}
	}

	//////////////////////////////////////////////////////////////////////////////////

	public function home() {
		$pageTitle = 'Home';
		include_once SYSTEM_PATH.'/view/header.tpl';
		$test = $this->getTemp('Aliceville');
		include_once SYSTEM_PATH.'/view/home.tpl';
		// TODO: AJAX widget?
		// echo '<p style="margin-right: 10%; font-size:large;"> Current Weather in Aliceville: '.$test['description'].'</p>';
		// TODO: pull data and put into feed
		if(!isset($_SESSION['username'])){
			// add template here
		}
		include_once SYSTEM_PATH.'/view/footer.tpl';
	}

	public function login(){
		$pageTitle = 'Login';
		include_once SYSTEM_PATH.'/view/header.tpl';
		include_once SYSTEM_PATH.'/view/login.tpl';
		include_once SYSTEM_PATH.'/view/footer.tpl';
	}

	public function loginSubmit($un, $pw){

       $db = Db::instance(); // create db connection
		// build query
		$q = sprintf("SELECT * FROM User_Data WHERE username = %d;", $un);
		$result = $db->query($q); // execute query

		// make sure we found something
		if($result->num_rows == 0) {
			header('Location: '.BASE_URL.'/login');
		} else {
			$row = $result->fetch_assoc(); // get results as associative array
			$correctPassword = $row['password'];
		}

        if($pw == $correctPassword){
			$_SESSION['permissions'] = $row['permissions'];
			$_SESSION['username'] = $un;

			//add to activity feed
			$this->addActivity('login', 'login');

			header('Location: '.BASE_URL.'/community/'.$un);
		}
        else
			header('Location: '.BASE_URL.'/login');
    }

	public function logout(){
		// end session
		$this->addActivity('logout', 'logout');
		unset($_SESSION['username']);
		session_destroy();
		// return to home page
		header('Location: '.BASE_URL);
	}

	public function register(){
		$pageTitle = 'Register';
		include_once SYSTEM_PATH.'/view/header.tpl';
		include_once SYSTEM_PATH.'/view/signup.tpl';
		include_once SYSTEM_PATH.'/view/footer.tpl';
	}

	public function confirm_reg(){

		// get POST variables
		$username 	 				= $_POST['username_in'];
		$first_name 	 			= $_POST['first_name_in'];
		$last_name 	 				= $_POST['last_name_in'];
		$email						= $_POST['email_in'];
		$password 					= $_POST['password_in'];
		$gender						= $_POST['gender'];
		$permissions 				= 'user';

		// required fields
		if( empty($username) | empty($first_name) | empty($last_name) | empty($email) | empty($password) | empty($gender) ) {
			header('Location: '.BASE_URL.'/register/');
		}

		$user = new User();

		$user->username = $username;
		$user->first_name = $first_name;
		$user->last_name = $last_name;
		$user->email = $email;
		$user->password = $password;
		$user->gender = $gender;
		$user->permissions = $permissions;

		$memID = $user->u_save();
		header('Location: '.BASE_URL.'/login');

	}
	//////////////////////////////////////////////////////////////////////////////////

	public function add_person(){
		// can not add if not logged in
		if(!isset($_SESSION['username'])){
			header('Location: '.BASE_URL);
		}

		$pageTitle = "Add New Person";
		include_once SYSTEM_PATH.'/view/header.tpl';
		include_once SYSTEM_PATH.'/view/add_person.tpl';
		include_once SYSTEM_PATH.'/view/footer.tpl';
	}

	public function confirm_person(){

		// can not edit if not logged in
		if(!isset($_SESSION['username'])){
			header('Location: '.BASE_URL);
		}

		// get POST variables
		$first_name 	 			= $_POST['first_name_in']; // required
		$last_name 	 				= $_POST['last_name_in']; // required
		$date_captured				= $_POST['dc_in'];
		$age	 					= $_POST['age_in'];
		$profile_image	 			= $_POST['profile_image_in'];
		$etc 		 				= $_POST['etc_in'];

		// name is required
		if( empty($name)) {
			header('Location: '.BASE_URL.'/add_person/');
		}

		$person = new Person();

		$person->first_name = $first_name;
		$person->last_name = $last_name;
		$person->date_captured = $date_captured;
		$person->age = $age;
		$person->profile_image = $profile_image;
		$person->etc = $etc;

		$memID = $person->p_save();
		header('Location: '.BASE_URL.'/people/'.$last_name);
	}

	public function add_loc(){
		// can not add if not logged in
		if(!isset($_SESSION['username'])){
			header('Location: '.BASE_URL);
		}

		$pageTitle = "Add New Location";
		// TODO post template here
	}

	public function confirm_loc(){

		// can not edit if not logged in
		if(!isset($_SESSION['username'])){
			header('Location: '.BASE_URL);
		}

		// get POST variables
		$name 	 			= $_POST['name_in']; // required
		$activities			= $_POST['activities_in'];
		$staff	 			= $_POST['staff_in'];
		$capacity		 	= $_POST['capacity_in'];
		$cost		 		= $_POST['cost_in'];
		$profile_image 		= $_POST['profile_image_in'];
		$brief_description 	= $_POST['brief_description'];

		// name is required
		if( empty($name)) {
			header('Location: '.BASE_URL.'/add_location/');
		}

		$place = new Location();

		$place->name = $name;
		$place->activities = $activities;
		$place->staff = $staff;
		$place->capacity = $capacity;
		$place->cost = $cost;

		$memID = $place->l_save();
		$name = ucwords(str_replace(" ", "_", $name));
		header('Location: '.BASE_URL.'/locations/'.$name);
	}

	//////////////////////////////////////////////////////////////////////////////////


	public function view_person($name){

		// check if valid, and post
		$person = Person::p_loadByID($name);
		if($person == null) {
			die('Invalid id');
		}
		$pageTitle = $person->first_name;

		$list = Article::getByTargetID($person->id, "People");

		include_once SYSTEM_PATH.'/view/header.tpl';
		include_once SYSTEM_PATH.'/view/person.tpl';
		include_once SYSTEM_PATH.'/view/footer.tpl';

	}

	public function edit_person($name){

		// can not edit if not logged in
		if(!isset($_SESSION['username'])){
			header('Location: '.BASE_URL);
		}

		// check if valid, and post
		$person = Person::p_loadByID($name);
		if($person == null) {
			die('Invalid name');
		}

		// title
		$pageTitle = "Edit $person->first_name";
		$list = Article::getByTargetID($person->id, "People");
		//templates
		include_once SYSTEM_PATH.'/view/header.tpl';
		include_once SYSTEM_PATH.'/view/edit_person.tpl';
		include_once SYSTEM_PATH.'/view/footer.tpl';
	}

	public function edit_person_complete($name){

		// can not edit if not logged in
		if(!isset($_SESSION['username'])){
			header('Location: '.BASE_URL);
		}

		// get POST variables
		$first_name 	 			= $_POST['first_name_in'];
		$last_name 	 				= $_POST['last_name_in'];
		$date_captured				= $_POST['dc_in'];
		$age	 					= $_POST['age_in'];
		$profile_image	 			= $_POST['profile_image_in'];
		$etc 		 				= $_POST['etc_in'];


		$person = Person::p_loadByID($last_name);

		$person->first_name = $first_name;
		$person->date_captured = $date_captured;
		$person->age = $age;
		$person->profile_image = $profile_image;
		$person->etc = $etc;

		// Add to user's activity
		$this->addActivity($name, 'edit');



		$memID = $person->p_save();
		$name = ucwords(str_replace(" ", "_", $name));
		header('Location: '.BASE_URL.'/people/'.$name);
	}

	public function person_article_complete($name){

		// can not add article if not logged in
		if(!isset($_SESSION['username'])){
			header('Location: '.BASE_URL);
		}

		// get POST variables
		$target_id 	 		= $_POST['target_id_in'];
		$article_title	 	= $_POST['article_title_in'];
		$article_text	 	= $_POST['article_text_in'];
		$article_image	 	= $_POST['article_image_in'];

		$article = new Article();

		$article->target_id = $target_id;
		$article->article_title = $article_title;
		$article->article_text = $article_text;
		$article->article_image = $article_image;

		$article->save("People");
		$name = ucwords(str_replace(" ", "_", $name));
		header('Location: '.BASE_URL.'/people/'.$name);

	}

	public function person_delete($name){

		// can not remove if not logged in
		if(!isset($_SESSION['username'])){
			header('Location: '.BASE_URL);
		}

		// check if valid
		$person = Person::loadByName($name);
		if($person == null) {
			die('Invalid family member name');
		}

		// remove all data sections
		$articles = Article::getByTargetID($person->id, "People");
		foreach($articles as $art){
			$art->remove();
		}

		// call remove function on member page
		$person->remove();

		$this->addActivity($name, 'delete');

		header('Location: '.BASE_URL.'/people');
	}

	//////////////////////////////////////////////////////////////////////////////////

	public function view_loc($name){
		// title
		$name = ucwords(str_replace("_", " ", $name));
		$pageTitle = $name;

		// check if valid, and post
		$place = Location::l_loadByName($name);
		if($place == null) {
			die('Invalid name');
		}

		include_once SYSTEM_PATH.'/view/header.tpl';
		include_once SYSTEM_PATH.'/view/location.tpl';
		include_once SYSTEM_PATH.'/view/footer.tpl';
	}

	public function edit_loc($name){

		// can not edit if not logged in
		if(!isset($_SESSION['username'])){
			header('Location: '.BASE_URL);
		}

		$name = ucwords(str_replace("_", " ", $name));
		$pageTitle = $name;

		// check if valid, and post
		$place = Location::l_loadByName($name);
		if($place == null) {
			die('Invalid name');
		}

		include_once SYSTEM_PATH.'/view/header.tpl';
		include_once SYSTEM_PATH.'/view/edit_location.tpl';
		include_once SYSTEM_PATH.'/view/footer.tpl';
	}

	public function edit_loc_complete($name){

		// can not edit if not logged in
		if(!isset($_SESSION['username'])){
			header('Location: '.BASE_URL);
		}

		// get POST variables
		$name 	 			= $_POST['name_in']; // required
		$activities			= $_POST['activities_in'];
		$staff	 			= $_POST['staff_in'];
		$capacity		 	= $_POST['capacity_in'];
		$cost		 		= $_POST['cost_in'];
		$profile_image		= $_POST['profile_image_in'];
		$brief_description	= $_POST['brief_description_in'];


		$name = ucwords(str_replace("_", " ", $name));
		$place = Location::l_loadByName($name);

		$place->name = $name;
		$place->activities = $activities;
		$place->staff = $staff;
		$place->capacity = $capacity;
		$place->cost = $cost;
		$place->profile_image = $profile_image;
		$place->brief_description = $brief_description;

		$memID = $place->l_save();
		$name = ucwords(str_replace(" ", "_", $name));
		header('Location: '.BASE_URL.'/locations/'.$name);
	}

	public function loc_article_complete($name){

		// can not add article if not logged in
		if(!isset($_SESSION['username'])){
			header('Location: '.BASE_URL);
		}

		// get POST variables
		$target_id 	 		= $_POST['target_id_in'];
		$article_title	 	= $_POST['article_title_in'];
		$article_text	 	= $_POST['article_text_in'];
		$article_image	 	= $_POST['article_image_in'];

		$article = new Article();

		$article->target_id = $target_id;
		$article->article_title = $article_title;
		$article->article_text = $article_text;
		$article->article_image = $article_image;

		$article->save("Locations");
		$name = ucwords(str_replace(" ", "_", $name));
		header('Location: '.BASE_URL.'/people/'.$name);

	}

	public function loc_delete($name){

		// can not remove if not logged in
		if(!isset($_SESSION['username'])){
			header('Location: '.BASE_URL);
		}

		// check if valid
		$place = Location::loadByName($name);
		if($person == null) {
			die('Invalid family member name');
		}

		// remove all data sections
		$articles = Article::getByTargetID($person->id, "Locations");
		foreach($articles as $art){
			$art->remove();
		}

		// call remove function on member page
		$place->remove();

		$this->addActivity($name, 'delete');

		header('Location: '.BASE_URL.'/locations');
	}

	//////////////////////////////////////////////////////////////////////////////////

	public function list_people(){
		$pageTitle = "People";
		// get list of all persons and display
		$list = Person::getPeople();
		include_once SYSTEM_PATH.'/view/header.tpl';
		include_once SYSTEM_PATH.'/view/people.tpl';
		include_once SYSTEM_PATH.'/view/footer.tpl';

	}

	public function list_locations(){
		$pageTitle = "Locations";

		// get list of all Locations and display
		$list = Location::getLocations();
		include_once SYSTEM_PATH.'/view/header.tpl';
		include_once SYSTEM_PATH.'/view/locations.tpl';
		include_once SYSTEM_PATH.'/view/footer.tpl';

	}




	public function list_community(){
        $pageTitle = "Community";

        // get list of all persons and display
        $list = User::getUsers();

        include_once SYSTEM_PATH.'/view/header.tpl';
        include_once SYSTEM_PATH.'/view/community.tpl';
        include_once SYSTEM_PATH.'/view/footer.tpl';



    }



	//////////////////////////////////////////////////////////////////////////////////

	public function view_profile($name){

		// check if valid, and post
		$user = User::u_loadByName($name);
		$currentUser = $_SESSION['username'];
		if($user != null) {
			$logged_in = true;
			// TODO add content template
		} else {
			die('Invalid name');
		}

		$list = Follow::getByFollower($currentUser);
		$activity_feed = Activity::getActivitiesByUser($name);

		$following = false;

		foreach($list as $follow)
		{
			if ($follow->user_followee == $name)
			{
				$following = true;
			}

		}

		$pageTitle = $user->first_name."_".$user->last_name;

		include_once SYSTEM_PATH.'/view/header.tpl';
		include_once SYSTEM_PATH.'/view/profile.tpl';
		include_once SYSTEM_PATH.'/view/footer.tpl';
	}


	public function edit_profile($name){

		// check if valid, and post
		$user = User::u_loadByName($name);
		if($user != null) {
			// TODO add content template
		} else {
			die('Invalid name');
		}

		$pageTitle = "Edit Profile";

		include_once SYSTEM_PATH.'/view/header.tpl';
		include_once SYSTEM_PATH.'/view/edit_profile.tpl';
		include_once SYSTEM_PATH.'/view/footer.tpl';

	}

	public function edit_profile_complete($name){

		$user = User::u_loadByName($name);
		if($user == null) {
			die('Invalid name');
		}

		// TODO admin priviledges
		// can not edit if not logged in
		if($_SESSION['username'] != $user->username){
			header('Location: '.BASE_URL);
		}

		$corr_pw = $user->password;

		// get POST variables
		$old_pw		 			= $_POST['old_pw_in'];
		$password		 		= $_POST['new_pw_in'];
		$first_name				= $_POST['first_name_in'];
		$last_name				= $_POST['last_name_in'];
		$email		 			= $_POST['email_in'];
		$gender					= $_POST['gender'];

		echo $old_pw;
		echo $password;
		echo $first_name;
		echo $last_name;
		echo $email;
		echo $gender;


		if($old_pw != $corr_pw){
			header('Location: '.BASE_URL.'/community/'.$name.'/edit_profile');
		}

		if( empty($first_name) | empty($last_name) | empty($email) | empty($password) | empty($gender) ) {
			header('Location: '.BASE_URL.'/community/'.$name.'/edit_profile');
		}

		$user->first_name = $first_name;
		$user->last_name = $last_name;
		$user->email = $email;
		$user->password = $password;
		$user->gender = $gender;

		$memID = $user->u_update();
		$name = ucwords(str_replace(" ", "_", $name));
		$name = strtolower($name);
		$this->addActivity($name, 'edit');
		header('Location: '.BASE_URL.'/community/'.$name);

	}

	public function follow($name){

		/// get usernames for follower and folowee
		$follower = $_SESSION['username'];
		$followee = User::u_loadByName($name);


		$follow = new Follow();
		$follow->user_follower = $follower;
		$follow->user_followee = $followee->username;
		$follow->save();

		//TODO test this method

		// Add to user's activity
		$this->addActivity($name, 'follow');

		header('Location: '.BASE_URL.'/community/'.$name);

	}

	public function unfollow($name){

		// get usernames for follower and folowee
		$follower = $_SESSION['username'];
		$followee = User::u_loadByName($name);


		$follow = new Follow();
		$follow->user_follower = $follower;
		$follow->user_followee = $followee->username;
		$follow->remove();

		//TODO test this method


		// Add to user's activity
		$this->addActivity($name, 'unfollow');

		header('Location: '.BASE_URL.'/community/'.$name);
	}


	public function addActivity($page, $activity)
	{
		$act = new Activity();
		$act->user = $_SESSION['username'];
		$act->page = $page;
		$act->activity_type = $activity;
		$act->save();
	}


	public static function getTemp($cityName) {
		$query = urlencode($cityName);
		$endpoint = 'http://api.openweathermap.org/data/2.5/weather?q='.$query.'&APPID=567d44be5ca794937686b4c376c29fec';
		$contents = file_get_contents($endpoint);
		$json = json_decode($contents);
		$results = $json->{'weather'};

		//shuffle($results);
		$info = $results[0];

		$main = $info->{'main'}; // title of the image
		$description = $info->{'description'}; // thumbnail of the img
		$icon = $info->{'icon'}; // url to the img's item page

		$data = array(
			'main' => $main,
			'description' => $description,
			'icon' => $icon
		);

		return $data;
	}


}