<?php

class Page_LocationInfo extends Page
{

	private $action;

	/**
	 * Called before any page rendering happens - early hook to check parameters etc.
	 */
	protected function doPreprocess()
	{
		User::load();
		if (!User::isLoggedIn()) {
			Message::addError('main.no-permission');
			Util::redirect('?do=Main'); // does not return
		}

		$this->action = Request::post('action');
	 	if ($this->action === 'updateOpeningTimeExpert') {
			$this->updateOpeningTimeExpert();
		} elseif($this->action === 'updateOpeningTimeEasy') {
			$this->updateOpeningTimeEasy();
		} elseif ($this->action === 'updateConfig') {
			$this->updateConfig();
		} elseif ($this->action === 'updateServer') {
			$this->updateServer();
		} elseif ($this->action === 'deleteServer') {
			$this->deleteServer();
		} elseif ($this->action === 'updateCredentials') {
			$this->updateCredentials();
		} elseif ($this->action === 'checkConnection') {
			$this->checkConnection();
		}
	}

	/**
	 * Menu etc. has already been generated, now it's time to generate page content.
	 */
	protected function doRender()
	{
		$getAction = Request::get('action');
		if (empty($getAction)) {
			Util::redirect('?do=locationinfo&action=infoscreen');
		}

		if ($getAction === 'infoscreen') {
			$this->getInfoScreenTable();
		}

		if($getAction == 'updateroomdb') {
			$this->updateInfoscreenDb();
			Util::redirect('?do=locationinfo&action=infoscreen');
		}

		if ($getAction === 'hide') {
			$roomId = Request::get('id', 0, 'int');
			$hiddenValue = Request::get('value', 0, 'int');
			$this->toggleHidden($roomId, $hiddenValue);
			Util::redirect('?do=locationinfo&action=infoscreen#row' . $roomId);
		}

	}

	private function updateServer() {
		$id = Request::post('id', 0, 'int');
		if ($id == 0) {
			Database::exec("INSERT INTO `setting_location_info` (servername, serverurl, servertype) VALUES (:name, :url, :type)",
			 array('name' => Request::post('name', '', 'string'), 'url' => Request::post('url', '', 'string'), 'type' => Request::post('type', '', 'string')));
		} else {
			Database::exec("INSERT INTO `setting_location_info` (serverid, servername, servertype, serverurl) VALUES (:id, :name, :type, :url)
			ON DUPLICATE KEY UPDATE servername=:name, serverurl=:url, servertype=:type",
			 array('id' => $id, 'name' => Request::post('name', '', 'string'), 'url' => Request::post('url', '', 'string'), 'type' => Request::post('type', '', 'string')));
		}

		$this->checkConnection();
	}

	private function deleteServer() {
		$id = Request::post('id', 0, 'int');
		Database::exec("DELETE FROM `setting_location_info` WHERE serverid=:id", array('id' => $id));
	}

	private function updateConfig()
	{
		$result = array();

		$locationid = Request::post('id', 0, 'int');
		$result['language'] = Request::post('language');
		$result['mode'] = Request::post('mode', 1, 'int');
		$result['vertical'] = Request::post('vertical', false, 'bool');
		$result['eco'] = Request::post('eco', false, 'bool');
		$result['scaledaysauto'] = Request::post('autoscale', false, 'bool');
		$result['daystoshow'] = Request::post('daystoshow', 7, 'int');
		$result['rotation'] = Request::post('rotation', 0, 'int');
		$result['scale'] = Request::post('scale', 50, 'int');
		$result['switchtime'] = Request::post('switchtime', 20, 'int');
		$result['calupdate'] = Request::post('calupdate', 30, 'int');
		$result['roomupdate'] = Request::post('roomupdate', 30, 'int');
		$result['configupdate'] = Request::post('configupdate', 180, 'int');
		$serverid = Request::post('serverid', 0, 'int');
		$serverroomid = Request::post('serverroomid','', 'string');

		Database::exec("INSERT INTO `location_info` (locationid, serverid, serverroomid, config) VALUES (:id, :serverid, :serverroomid, :config)
		 ON DUPLICATE KEY UPDATE config=:config, serverid=:serverid, serverroomid=:serverroomid",
		 array('id' => $locationid, 'config' => json_encode($result, true), 'serverid' => $serverid, 'serverroomid' => $serverroomid));

		 Message::addSuccess('config-saved');
		 Util::redirect('?do=locationinfo');
	}

	private function updateCredentials() {
		$serverid = Request::post('id', 0, 'int');
		$dbresult = Database::queryFirst('SELECT servertype FROM `setting_location_info` WHERE serverid = :id', array('id' => $serverid));
		$backend = CourseBackend::getInstance($dbresult['servertype']);
		$tmptypeArray = $backend->getCredentials();

		$credentialsJson = array();
		foreach ($tmptypeArray as $key => $value) {
			$credentialsJson[$key] = Request::post($key);
		}
		Database::exec('UPDATE `setting_location_info` SET credentials = :credentials WHERE serverid = :id', array('id' => $serverid, 'credentials' => json_encode($credentialsJson, true)));
		$this->checkConnection();
	}

	private function updateOpeningTimeExpert()
	{
		$days = Request::post('days');
		$locationid = Request::post('id', 0, 'int');
		$openingtime = Request::post('openingtime');
		$closingtime = Request::post('closingtime');
		$easyMode = Request::post('easyMode');
		$delete = Request::post('delete');
		$dontadd = Request::post('dontadd');
		$count = 0;
		$result = array();
		$resulttmp = array();
		$deleteCounter = 0;

		if (!$easyMode) {
			$dbquery = Database::simpleQuery("SELECT openingtime FROM `location_info` WHERE locationid = :id", array('id' => $locationid));
			while($dbdata=$dbquery->fetch(PDO::FETCH_ASSOC)) {
				$resulttmp = json_decode($dbdata['openingtime'], true);
			}

			$index = 0;

			foreach ($resulttmp as $day) {
				$skip = false;
				foreach ($delete as $del) {
					if ($del == $index) {
						$skip = true;
						break;
					}
				}
				if ($skip == true) {
					$index++;
					$deleteCounter++;
					continue;
				}

				$result[] = $day;
				$index++;
			}
		}

		if (!empty($days) && !is_array($days)) {
			Message::addError('no-days-selected');
			Util::redirect('?do=locationinfo');
		} else{

			$dayz = array();
			$da = array();

			foreach ($days as $d) {
				if ($d != '-') {
					$da[] = $d;
				} else {
					$dayz[$count] = $da;
					$da = array();
					$count++;
				}
			}

			$optime = array();
			for ($x = 0; $x < $count; $x++) {
				if ($dontadd[$x] == 'dontadd') {
					continue;
				}
				$optime['days'] = $dayz[$x];
				$optime['openingtime'] = $openingtime[$x];
				$optime['closingtime'] = $closingtime[$x];
				$result[] = $optime;
			}
		}

		Database::exec("INSERT INTO `location_info` (locationid, openingtime) VALUES (:id, :openingtime) ON DUPLICATE KEY UPDATE openingtime=:openingtime",
		 array('id' => $locationid, 'openingtime' => json_encode($result, true)));

		if ($deleteCounter > 0) {
			Message::addSuccess('deleted-x-entries', $deleteCounter);
		}
		if ($count > 0) {
			Message::addSuccess('added-x-entries', $count);
		}

		Util::redirect('?do=locationinfo');
	}

	private function updateOpeningTimeEasy() {
		$locationid = Request::post('id', 0, 'int');
		$openingtime = Request::post('openingtime');
		$closingtime = Request::post('closingtime');
		$result = array();

		$opt0['days'] = array ("Monday", "Tuesday", "Wednesday", "Thursday", "Friday");
		$opt0['openingtime'] = $openingtime[0];
		$opt0['closingtime'] = $closingtime[0];
		$result[] = $opt0;

		$opt1['days'] = array ("Saturday");
		$opt1['openingtime'] = $openingtime[1];
		$opt1['closingtime'] = $closingtime[1];
		$result[] = $opt1;

		$opt2['days'] = array ("Sunday");
		$opt2['openingtime'] = $openingtime[2];
		$opt2['closingtime'] = $closingtime[2];
		$result[] = $opt2;

		Database::exec("INSERT INTO `location_info` (locationid, openingtime) VALUES (:id, :openingtime) ON DUPLICATE KEY UPDATE openingtime=:openingtime",
		 array('id' => $locationid, 'openingtime' => json_encode($result, true)));

		Message::addSuccess('openingtime-updated');
		Util::redirect('?do=locationinfo');
	}

	private function checkConnection() {
		$serverid = Request::post('id', 0, 'int');

		if ($serverid != 0) {
			$dbresult = Database::queryFirst("SELECT * FROM `setting_location_info` WHERE serverid = :serverid", array('serverid' => $serverid));

			$serverInstance = CourseBackend::getInstance($dbresult['servertype']);
			$serverInstance->setCredentials(json_decode($dbresult['credentials'], true), $dbresult['serverurl'], $serverid);
			//$setCred = $serverInstance->fetchSchedule(array(42));
			$setCred = $serverInstance->checkConnection();

			if (!$setCred) {
				$error['timestamp'] = time();
				$error['error'] = $serverInstance->getError();
				Database::exec("UPDATE `setting_location_info` Set error=:error WHERE serverid=:id", array('id' => $serverid, 'error' => json_encode($error, true)));
		  } else {
				Database::exec("UPDATE `setting_location_info` Set error=NULL WHERE serverid=:id", array('id' => $serverid));
			}
		}
	}

	protected function toggleHidden($id, $val) {
		Database::exec("INSERT INTO `location_info` (locationid, hidden) VALUES (:id, :hidden) ON DUPLICATE KEY UPDATE hidden=:hidden", array('id' => $id, 'hidden' => $val));

		$this->checkChildRecursive($id, $val);
		$this->checkParentRecursive($id);

	}

	protected function checkChildRecursive($id, $val) {
		$dbquery = Database::simpleQuery("SELECT locationid FROM `location` WHERE parentlocationid = :locationid", array('locationid' => $id));
		$childs = array();
		while($dbdata=$dbquery->fetch(PDO::FETCH_ASSOC)) {
			$childs[] = $dbdata['locationid'];
		}

		foreach ($childs as $key) {
			Database::exec("INSERT INTO `location_info` (locationid, hidden) VALUES (:id, :hidden) ON DUPLICATE KEY UPDATE hidden=:hidden", array('id' => $key, 'hidden' => $val));

			$this->checkChildRecursive($key, $val);
		}
	}

	protected function checkParentRecursive($id) {
		$dbquery = Database::simpleQuery("SELECT parentlocationid FROM `location` WHERE locationid = :locationid", array('locationid' => $id));
		$parent = 0;
		while($dbdata=$dbquery->fetch(PDO::FETCH_ASSOC)) {
			$parent = (int)$dbdata['parentlocationid'];
		}
		if ($parent === 0) {
			return;
		} else {
			$dbq = Database::simpleQuery("SELECT COUNT(case li.hidden when '0' then 1 else null end) AS '0',
			 															COUNT(case li.hidden when '1' then 1 else null end) AS '1',
																		 COUNT(*) - COUNT(case li.hidden when '0' then 1 else null end) - COUNT(case li.hidden when '1' then 1 else null end) AS 'NULL'
																		 FROM `location` AS l LEFT JOIN `location_info` AS li ON l.locationid=li.locationid
																		 WHERE parentlocationid = :parentId;", array('parentId' => $parent));
			$amountofzero = 0;
			$amountofnull = 0;

			while($dbd=$dbq->fetch(PDO::FETCH_ASSOC)) {
				$amountofzero = (int)$dbd['0'];
				$amountofnull = (int)$dbd['NULL'];
			}

			if ($amountofzero == 0 AND $amountofnull == 0) {
				Database::exec("INSERT INTO `location_info` (locationid, hidden) VALUES (:id, :hidden) ON DUPLICATE KEY UPDATE hidden=:hidden", array('id' => $parent, 'hidden' => 1));
			} else {
				Database::exec("INSERT INTO `location_info` (locationid, hidden) VALUES (:id, :hidden) ON DUPLICATE KEY UPDATE hidden=:hidden", array('id' => $parent, 'hidden' => 0));
			}

			$this->checkParentRecursive($parent);
		}
	}

// Loads the Infoscreen pange in the admin-panel and passes all needed information.
	protected function getInfoScreenTable() {

		// Get a table with the needed location info. name, id, hidden, pcState (Count of pcs that are in use), total pcs
		$dbquery = Database::simpleQuery("SELECT l.locationname, l.locationid, li.hidden, m.pcState, m.total FROM `location_info` AS li
		RIGHT JOIN `location` AS l ON li.locationid=l.locationid LEFT JOIN
		(SELECT locationid, Count(case m.logintime WHEN NOT 1 THEN null else 1 end) AS pcState, Count(*) AS total FROM `machine` AS m
		WHERE locationid IS NOT NULL GROUP BY locationid) AS m ON l.locationid=m.locationid");
		$pcs = array();

		if (Module::isAvailable('locations')) {
			foreach (Location::getLocations() as $loc) {
				$data = array();
				$data['locationid'] = (int)$loc['locationid'];
				$data['locationname'] = $loc['locationname'];
				$data['depth'] = $loc['depth'];
				$data['hidden'] = NULL;
				$locid = (int)$loc['locationid'];
				$pcs[$locid] = $data;
			}
		}

		while($roominfo=$dbquery->fetch(PDO::FETCH_ASSOC)) {
			$locid = (int)$roominfo['locationid'];

			if ($roominfo['hidden'] == NULL) {
				$pcs[$locid]['hidden'] = 0;
			} else {
				$pcs[$locid]['hidden'] = $roominfo['hidden'];
			}

			if ($roominfo['pcState'] != NULL) {
				$pcs[$locid]['pcState'] = $roominfo['pcState'];
			}
			if ($roominfo['total'] != NULL) {
				$pcs[$locid]['total'] = $roominfo['total'];
				$pcs[$locid]['hasPcs'] = true;
			} else {
				$pcs[$locid]['hasPcs'] = false;
			}
		}

		// Get a list of all the backend types.
		$servertypes = array();
		$s_list = CourseBackend::getList();
		foreach ($s_list as $s) {
			$type['type'] = $s;
			$typeInstance = CourseBackend::getInstance($s);
			$type['display'] = $typeInstance->getDisplayName();
			$servertypes[] = $type;
		}

		// Get the Serverlist from the DB and make it mustache accesable
		$serverlist = array();
		$dbquery2 = Database::simpleQuery("SELECT * FROM `setting_location_info`");
		while($db=$dbquery2->fetch(PDO::FETCH_ASSOC)) {
			$server['id'] = $db['serverid'];
			$server['name'] = $db['servername'];

			if ($db['error'] == NULL) {
				$server['auth'] = true;
			} else {
				$server['auth'] = false;
				$error = json_decode($db['error'], true);

				$time = date('Y/m/d H:i:s', $error['timestamp']);

				Message::addError('auth-failed', $server['id'], $time, $error['error']);
			}

			$serverty = array();
			foreach ($servertypes as $type) {
				$st = array();
				$st['type'] = $type['type'];
				$st['display'] = $type['display'];
				if ($type['type'] == $db['servertype']) {
					$st['active'] = true;
				} else {
					$st['active'] = false;
				}
				$serverty[] = $st;
			}
			$server['types'] = $serverty;

			$server['url'] = $db['serverurl'];
			$serverlist[] = $server;
		}

		// Pass the data to the html and render it.
		Render::addTemplate('location-info', array(
			'list' => array_values($pcs), 'serverlist' => array_values($serverlist), 'servertypelist' => array_values($servertypes),
		));
	}

	/**
 	 * AJAX
 	 */
	protected function doAjax()
	{
		User::load();
		if (!User::isLoggedIn()) {
			die('Unauthorized');
		}
		$action = Request::any('action');
		if ($action === 'timetable') {
			$id = Request::any('id', 0, 'int');
			$this->ajaxTimeTable($id);
		} elseif ($action === 'config') {
			$id = Request::any('id', 0, 'int');
			$this->ajaxConfig($id);
		} elseif ($action === 'credentials') {
			$id = Request::any('id', 0, 'int');
			$this->ajaxCredentials($id);
		}
	}

	private function ajaxCredentials($id) {
		$dbresult = Database::queryFirst('SELECT servertype, credentials FROM `setting_location_info` WHERE serverid = :id', array('id' => $id));
		$tmpcredentialArray = json_decode($dbresult['credentials'], true);
		$backend = CourseBackend::getInstance($dbresult['servertype']);
		$tmptypeArray = $backend->getCredentials();
		$credentialsArray = array();
		foreach ($tmptypeArray as $key => $value) {
			$x['name'] = $key;

			foreach ($tmpcredentialArray as $ke => $val) {
				if($ke == $key) {
					$x['value'] = $val;
					break;
				}
			}
			$x['type'] = $value;

			if (is_array($value)) {
				$selection = array();
				foreach ($value as $opt) {
					$option['option'] = $opt;
					if ($opt == $x['value']) {
						$option['active'] = true;
					} else {
						$option['active'] = false;
					}
					$selection[] = $option;
				}
				$x['type'] = "array";
				$x['array'] = $selection;
			}
			$credentialsArray[] = $x;
		}

		echo Render::parse('credentials', array('id' => $id, 'credentials' => array_values($credentialsArray)));
	}

	private function ajaxTimeTable($id) {
		$array = array();
		$dbquery = Database::simpleQuery("SELECT openingtime FROM `location_info` WHERE locationid = :id", array('id' => $id));
		$dbresult = array();
		while($dbdata=$dbquery->fetch(PDO::FETCH_ASSOC)) {
			$dbresult[] = json_decode($dbdata['openingtime'], true);
		}
		if($this->isEasyMode($dbresult)) {
			echo Render::parse('timetable', array('id' => $id, 'openingtime0' => $dbresult[0][0]['openingtime'],
			 'closingtime0' => $dbresult[0][0]['closingtime'], 'openingtime1' => $dbresult[0][1]['openingtime'],
			  'closingtime1' => $dbresult[0][1]['closingtime'], 'openingtime2' => $dbresult[0][2]['openingtime'],
				 'closingtime2' => $dbresult[0][2]['closingtime'], 'easyMode' => true, 'expertMode' => false));

		} else{
			foreach($dbresult as $db) {
				$index = 0;
				foreach ($db as $key) {
					$str = "| ";
					foreach ($key['days'] as $val) {
						$str .= $val;
						$str .= " | ";
					}
					$ar = array();
					$ar['days'] = $str;
					$ar['openingtime'] = $key['openingtime'];
					$ar['closingtime'] = $key['closingtime'];
					$ar['index'] = $index;
					$array[] = $ar;
					$index++;
				}
			}
			echo Render::parse('timetable', array('id' => $id, 'openingtimes' => array_values($array), 'easyMode' => false, 'expertMode' => true));
		}
	}

	private function isEasyMode($array) {
		if(count($array[0]) == 3) {
			if ($array[0][0]['days'] == array ("Monday","Tuesday","Wednesday","Thursday","Friday")
			&& $array[0][1]['days'] == array ("Saturday") && $array[0][2]['days'] == array ("Sunday")) {
				return true;
			} else {
				return false;
			}
		} elseif ($array[0] == 0) {
			return true;
		} else {
			return false;
		}
	}

	private function ajaxConfig($id) {
		$array = array();

		// Get Config data from db
		$dbquery = Database::simpleQuery("SELECT config, serverid, serverroomid FROM `location_info` WHERE locationid = :id", array('id' => $id));
		$serverid;
		$serverroomid;
		while($dbdata=$dbquery->fetch(PDO::FETCH_ASSOC)) {
			$array = json_decode($dbdata['config'], true);
			$serverid = $dbdata['serverid'];
			$serverroomid = $dbdata['serverroomid'];
		}

		// get Server / ID list
		$dbq = Database::simpleQuery("SELECT serverid, servername FROM `setting_location_info`");
		$serverList = array();
		while($dbd=$dbq->fetch(PDO::FETCH_ASSOC)) {
			$d['sid'] = $dbd['serverid'];
			$d['sname'] = $dbd['servername'];
			$serverList[] = $d;
		}

		echo Render::parse('config', array('id' => $id, 'language' => $array['language'], 'mode' => 'mode'.$array['mode'], 'vertical' => $array['vertical'],
													'eco' => $array['eco'], 'daystoshow' => 'day'.$array['daystoshow'], 'scaledaysauto' => $array['scaledaysauto'], 'rotation' => 'rotation'.$array['rotation'],
													'scale' => $array['scale'], 'switchtime' => $array['switchtime'], 'calupdate' => $array['calupdate'],
													 'roomupdate' => $array['roomupdate'], 'configupdate' => $array['configupdate'],
													 'serverlist' => array_values($serverList), 'serverid' => $serverid, 'serverroomid' => $serverroomid));
	}

}