<?php

class User_GroupController extends Zend_Controller_Action
{
	protected $groupMapper = null;
	protected $groupGroupsMapper = null;
	protected $membershipMapper = null;
	protected $groupRequestMapper = null;
	protected $personmapper = null;
	protected $rolemapper = null;
	protected $groupList = null;
	protected $userIDsNamespace = null;
	protected $membership;

	public function init()
	{
		if (Zend_Auth::getInstance()->hasIdentity()) {
			$this->userIDsNamespace = Zend_Session::namespaceGet('userIDs');
			$this->groupMapper = new Application_Model_GroupMapper();
			$this->groupGroupsMapper = new Application_Model_GroupGroupsMapper();
			$this->membershipMapper = new Application_Model_MembershipMapper();
			$this->groupRequestMapper = new Application_Model_GroupRequestMapper();
			$this->personmapper = new Application_Model_PersonMapper();
			$this->rolemapper = new Application_Model_RoleMapper();
			$this->groupList = $this->groupMapper->fetchAll();
			
			$userIDsNamespace = Zend_Session::namespaceGet('userIDs');
			$this->membership = new Application_Model_Membership();
			$this->membershipMapper->find($userIDsNamespace['membershipID'],$this->membership);
			
		} else {
			$this->_helper->redirector('login', 'auth');
			return;
		}
	}

	public function indexAction()
	{
		// ACL show overview
		if(!Pbs_Acl::checkRight('gso'))
			$this->_redirect('/user');
		
		$this->view->groupList = $this->groupList;

		// Search
		$search = $this->_request->getParam('search');
		$mySearch = new Pbs_Search();
		$mySearch->setSearchTerm($search);
		$mySearch->setModule('group');
		if($search != ''){
			$this->view->search = $mySearch->getSearchTerm();
			$this->view->groupList = $mySearch->search($this->view->groupList);
		}
		$this->view->searchform = $mySearch->searchForm();

		// Pagination
		$pagination = new Pbs_Pagination();
		$pagination->setPerPage(10);
		$pagination->setElement($this->view->groupList);
		$pagination->setRequestPage($this->_request->getParam('page'));
		$pagination->setPageUrl('/user/group/index'.((isset($this->view->search))?'/search/'.$this->view->search:''));

		$this->view->groupList = $pagination->getElements();
		$this->view->pagination = $pagination->pagination();
		$this->view->page 		= $pagination->getRequestPage();
		$this->view->userIDsNamespace = $this->userIDsNamespace;
	}

	public function searchAction(){
		$this->_redirect('/user/group/index/search/'.($_GET['search']));
	}

	public function addAction()
	{
		// ACL create new group
		if(!Pbs_Acl::checkRight('gc'))
			$this->_redirect('/user');
			
		if (!isset($_POST["add"])){
			$addForm = new user_Form_GroupAdd(array('grouplist' => $this->groupList));
		} else {
			$addForm = new user_Form_GroupAdd(array('grouplist' => $this->groupList),$_POST);

			if ($addForm->isValid($_POST)) {
				$group = new Application_Model_Group($_POST);
				try {
					$this->groupMapper->save($group);
				} catch(Zend_Exception $e)
				{
					echo "Caught exception: " . get_class($e) . "<br/>";
					echo "Message: " . $e->getMessage() . "<br/>";
					return;
				}
				$groupID = $this->groupMapper->getDbTable()->getDefaultAdapter()->lastInsertId();
				$membership = $this->membershipMapper->find($this->userIDsNamespace['membershipID']);
				$role = $this->rolemapper->find($membership->getRoleID());
				$rightrolesMapper = new Application_Model_RightRolesMapper();
				$rightroleslist = $rightrolesMapper->findBy(array('roleID' => $membership->getRoleID()));
				$role->setGroupID($groupID);
				$role->setID();
				try {
					$this->rolemapper->save($role);
				} catch(Zend_Exception $e)
				{
					echo "Caught exception: " . get_class($e) . "<br/>";
					echo "Message: " . $e->getMessage() . "<br/>";
					return;
				}
				$roleID = $this->rolemapper->getDbTable()->getDefaultAdapter()->lastInsertId();
				$membership->setID();
				$membership->setGroupID($groupID);
				$membership->setRoleID($roleID);
				try {
					$this->membershipMapper->save($membership);
				} catch(Zend_Exception $e)
				{
					echo "Caught exception: " . get_class($e) . "<br/>";
					echo "Message: " . $e->getMessage() . "<br/>";
					return;
				}
				foreach($rightroleslist as $rightroles) {
					$rightroles->setRoleID($roleID);
					try {
						$rightrolesMapper->save($rightroles);
					} catch(Zend_Exception $e)
					{
						echo "Caught exception: " . get_class($e) . "<br/>";
						echo "Message: " . $e->getMessage() . "<br/>";
						return;
					}
				}
				if($_POST['superordinatedGroupID'] != -1) {
					$groupgroups = new Application_Model_GroupGroups();
					$groupgroups->setParentID($_POST['superordinatedGroupID']);
					$groupgroups->setGroupID($groupID);
					try {
						$this->groupGroupsMapper->save($groupgroups);
					} catch(Zend_Exception $e)
					{
						echo "Caught exception: " . get_class($e) . "<br/>";
						echo "Message: " . $e->getMessage() . "<br/>";
						return;
					}

				}
				$this->_helper->redirector('', 'group');
				return;
			}
		}

		$this->view->addForm = $addForm;
	}

	public function editAction()
	{
		// ACL edit a group
		// TODO: THERE IS NO RIGHT TO EDIT A GROUP
		#if(!Pbs_Acl::checkRight(''))
		#	$this->_redirect('/user');
			
		$groupID = $this->_request->getParam('groupID');
		if(!isset($groupID)) {
			if(count($this->userIDsNamespace) > 0) {
				$groupID = $this->userIDsNamespace['groupID'];
			}
		}
		if(!isset($groupID)) {
			$this->_helper->redirector('add', 'group');
			return;
		}
		if (!isset($_POST["save"])){
			$group = $this->groupMapper->find($groupID);
			$_POST['title'] = $group->getTitle();
			$_POST['description'] = $group->getDescription();
			$editForm = new user_Form_GroupEdit(array('groupID' => $groupID));
		} else {
			$editForm = new user_Form_GroupEdit(array('groupID' => $groupID), $_POST);
			if ($editForm->isValid($_POST)) {
				$group = new Application_Model_Group($_POST);
				$group->setID($groupID);
				try {
					$this->groupMapper->save($group);
				} catch(Zend_Exception $e)
				{
					echo "Caught exception: " . get_class($e) . "<br/>";
					echo "Message: " . $e->getMessage() . "<br/>";
					return;
				}
				$this->_helper->redirector('', 'group');
				return;
			}
		}
		$this->view->editForm = $editForm;
	}

	public function showAction()
	{
		// ACL create new group
		if(!Pbs_Acl::checkRight('gsdo') && !Pbs_Acl::checkRight('gsdog'))
			$this->_redirect('/user');
			
		$groupID = $this->_request->getParam('groupID');
		if($groupID == '' || !Pbs_Acl::checkRight('gsdog')) {
			if(count($this->userIDsNamespace) > 0) {
				$groupID = $this->userIDsNamespace['groupID'];
			}
		}
		if($groupID == $this->membership->getGroupID() && !Pbs_Acl::checkRight('gsdo'))
			$this->_redirect('/user');
		
		$this->view->usergroup = $this->membership->getGroupID();
		$this->view->requestgroup = $groupID;
		// ACL is he allowed to see the requests of a group ?
		// TODO: THERE IS NO RIGHT TO EDIT A GROUP
		# if(Pbs_Acl::checkRight('')){		
			$groupRequests = $this->groupRequestMapper->findBy(array('groupID' => $groupID),true);
			if(isset($groupRequests)) {
				foreach($groupRequests as $groupRequest) {
					$person = $this->personmapper->find($groupRequest['personID']);
					$groupRequestList[] = array(
						'grouprequestID' => $groupRequest['grouprequestID'],
						'person' => $person
					);
				}
				if(is_array($groupRequestList)) {
					$this->view->groupRequestList = $groupRequestList;
				}
				// TODO: expand with al inherit roles
				$this->view->roleList = $this->rolemapper->findBy(array('groupID' => $groupID),true);
			}
		# }
		
		if(Pbs_Acl::checkRight('gsmg')){
			$members = $this->membershipMapper->findBy(array('groupID' => $groupID),true);
			if(isset($members)) {
				foreach($members as $member) {
					$person = $this->personmapper->find($member['personID']);
					$membership_tmp = $this->membershipMapper->find($member['membershipID']);
					$role = $this->rolemapper->find($membership_tmp->getRoleID());
					$membersList[] = array(
					'membershipID' => $member['membershipID'],
					'person' => $person,
					'role' => $role
					);
				}
				if(is_array($membersList)) {
					// Member Pagination
					$memberPagination = new Pbs_Pagination();
					$memberPagination->setPerPage(10);
					$memberPagination->setElement($membersList);
					$memberPagination->setRequestPage($this->_request->getParam('page'));
					if($this->_request->getParam('groupID')) {
						$memberPagination->setPageUrl('/user/group/show/groupID/' . $groupID . ((isset($this->view->search))?'/search/'.$this->view->search:''));
					} else {
						$memberPagination->setPageUrl('/user/group/show'.((isset($this->view->search))?'/search/'.$this->view->search:''));
					}
					$this->view->membersList = $memberPagination->getElements();
					$this->view->memberPagination = $memberPagination->pagination($pageurl);
					$this->view->page 		= $memberPagination->getRequestPage();
				}
			}
		}
		$groupgroups = $this->groupGroupsMapper->findBy(array('groupID' => $groupID),true);
		if(is_object($groupgroups)) {
			$parentGroup = $this->groupMapper->find($groupgroups->getParentID());
			$this->view->$parentGroup = $parentGroup;
		}
		$group = $this->groupMapper->find($groupID);
		$this->view->userIDsNamespace = $this->userIDsNamespace;
		$this->view->group = $group;
		$this->view->groupID = $groupID;
	}

	public function linkAction()
	{
		if (!isset($_POST["link"])){
			$linkForm = new user_Form_GroupLink(array('grouplist' => $this->groupList));
		} else {
			$linkForm = new user_Form_GroupLink(array('grouplist' => $this->groupList),$_POST);

			if ($linkForm->isValid($_POST)) {
				$groupgroups = new Application_Model_GroupGroups();
				$groupgroups->setParentID($_POST['superordinatedGroupID']);
				$groupgroups->setGroupID($_POST['groupID']);
				try {
					$this->groupGroupsMapper->save($groupgroups);
				} catch(Zend_Exception $e)
				{
					echo "Caught exception: " . get_class($e) . "<br/>";
					echo "Message: " . $e->getMessage() . "<br/>";
					return;
				}
				$this->_helper->redirector('', 'group');
				return;
			}
		}

		$this->view->linkForm = $linkForm;
	}

	public function deleteAction()
	{
		// ACL delete a group
		if(!Pbs_Acl::checkRight('gd'))
			$this->_redirect('/user');
		
		$this->_helper->viewRenderer->setNoRender();
		$groupID = $this->_request->getParam('groupID');
		if(!isset($groupID)) {
			if(count($this->userIDsNamespace) > 0) {
				$groupID = $this->userIDsNamespace['groupID'];
			}
		}
		if (isset($groupID)){
			$group = $this->groupMapper->find($groupID);
			try {
				$this->groupMapper->delete($group);
			} catch(Zend_Exception $e)
			{
				echo "Caught exception: " . get_class($e) . "<br/>";
				echo "Message: " . $e->getMessage() . "<br/>";
				return;
			}
			if($_SERVER['HTTP_REFERER']) {
				if(strpos($_SERVER['HTTP_REFERER'], '/user/group/show') !== false && strpos($_SERVER['HTTP_REFERER'], '/groupID/') === false) {
					$this->_helper->redirector('changemembership', 'person');
				} else {
					$this->_helper->redirector('', 'group');
				}
			} else {
				$this->_helper->redirector('', 'group');
			}
			return;
		} else {
			$this->_redirect('/user/');
			return;
		}
	}

	public function grantpersonAction()
	{
		// ACL grant a membership to request
		if(!Pbs_Acl::checkRight('gam'))
			$this->_redirect('/user');
			
		$this->_helper->viewRenderer->setNoRender();
		if(isset($_POST['grouprequestID']) && isset($_POST['roleID'])) {
			$groupRequest = $this->groupRequestMapper->find($_POST['grouprequestID']);
			try {
				$this->groupRequestMapper->delete($groupRequest);
			} catch(Zend_Exception $e)
			{
				echo "Caught exception: " . get_class($e) . "<br/>";
				echo "Message: " . $e->getMessage() . "<br/>";
				return;
			}
			$membership = new Application_Model_Membership();
			$membership->setGroupID($groupRequest->getGroupID());
			$membership->setPersonID($groupRequest->getPersonID());
			$membership->setRoleID($_POST['roleID']);
			try {
				$id = $this->membershipMapper->save($membership);

				$membership->setID($id);

				$newMember = new Pbs_NewMember();
				$newMember->createDefaults($membership);
			} catch(Zend_Exception $e)
			{
				echo "Caught exception: " . get_class($e) . "<br/>";
				echo "Message: " . $e->getMessage() . "<br/>";
				return;
			}
			$this->_redirect("/user/group/show/groupID/" . $groupRequest->getGroupID());
		}
	}

	public function revokepersonAction()
	{
		
		$this->_helper->viewRenderer->setNoRender();
		$membershipID = $this->_request->getParam('membershipID');
		$rr = $this->membershipMapper->find($membershipID);
		
		if(($rr->getGroupID() == $this->membership->getGroupID && Pbs_Acl::checkRight('gdmo') ) || ( $rr->getGroupID() != $this->membership->getGroupID && Pbs_Acl::checkRight('gdmog'))){
			if(isset($membershipID)) {
				$membership = $this->membershipMapper->find($membershipID);
				if(isset($membership)) {
					try {
						$this->membershipMapper->delete($membership);
					} catch(Zend_Exception $e)
					{
						echo "Caught exception: " . get_class($e) . "<br/>";
						echo "Message: " . $e->getMessage() . "<br/>";
						return;
					}
					$this->_redirect("/user/group/show/groupID/" . $membership->getGroupID());
				}
			}	
		}
	}
}