<?php
App::uses('AppController', 'Controller');

/**
 * @property Thread $Thread
 */
class ThreadsController extends AppController
{
    public $components = array(
        'RequestHandler',
        'Session',
    );

    public $paginate = array(
            'limit' => 60,
    );

    public function viewEvent($id = false)
    {
        if (empty($id)) {
            throw new MethodNotAllowedException('No Event ID set.');
        }
        $this->loadModel('Event');
        $result = $this->Event->fetchEvent($this->Auth->user(), array('eventid' => $id));
        $thread_id = false;
        if ($result) {
            $thread_id = $this->Thread->find('first', array('recursive' => -1, 'conditions' => array('Thread.event_id' => $id), 'fields' => array('Thread.id')));
            if ($thread_id) {
                $thread_id = $thread_id['Thread']['id'];
            } else {
                if ($this->_isRest()) {
                    return $this->RestResponse->viewData($array(), $this->response->type());
                }
                $thread_id = false;
            }
        }
        if ($thread_id) {
            $post_id = false;
            if (isset($this->passedArgs['post_id'])) {
                $post_id = $this->passedArgs['post_id'];
            }
            $response = $this->__view($thread_id, false, $post_id);
            if ($this->_isRest()) {
                return $response;
            }
        } else {
            throw new NotFoundException('Invalid Thread.');
        }
    }

    public function view($thread_id, $eventView = false)
    {
        $post_id = false;
        if (isset($this->passedArgs['post_id'])) {
            $post_id = $this->passedArgs['post_id'];
        }
        $response = $this->__view($thread_id, $eventView, $post_id);
        if ($this->_isRest()) {
            return $response;
        }
    }

    private function __view($thread_id, $eventView, $post_id)
    {
        $conditions = array('id' => $thread_id);
        if ($eventView) {
            $event_id = $thread_id;
            $thread_id = false;
            if (!$this->request->is('ajax')) {
                $this->redirect(array('controller' => 'events', 'action' => 'view', $event_id));
            }
            $conditions = array('event_id' => $event_id);
            $this->set('currentEvent', $event_id);
            $this->set('event_id', $event_id);
            $this->set('context', 'event');
        } else {
            $this->set('context', 'thread');
        }
        $this->set('myuserid', $this->Auth->user('id'));
        $thread = $this->Thread->find('first', array(
            'conditions' => $conditions,
            'recursive' => -1
        ));
        if (empty($thread)) {
            if (!$eventView) {
                throw new NotFoundException('Invalid thread.');
            }
        } else {
            $thread_id = $thread['Thread']['id'];
            if (!$this->Thread->checkIfAuthorised($this->Auth->user(), $thread_id)) {
                throw new NotFoundException('Invalid thread.');
            }
        }
        if ($thread_id) {
            $this->paginate = array(
                'limit' => 10,
                'conditions' => array('Post.thread_id' => $thread_id),
                'contain' => array(
                    'User' => array(
                        'fields' => array('User.email', 'User.id'),
                        'Organisation' => array(
                            'fields' => array('id', 'uuid', 'name')
                        ),
                    ),
                ),
            );
            if ($this->_isRest()) {
                $posts = $this->Thread->Post->find('all', array(
                    'contain' => $this->paginate['contain'],
                    'conditions' => $this->paginate['conditions']
                ));
            } else {
                $posts = $this->paginate('Post');
            }
            foreach ($posts as $k => $post) {
                if (!empty($post['User']['id'])) {
                    $posts[$k]['Post']['org_id'] = $post['User']['Organisation']['id'];
                    $posts[$k]['Post']['org_uuid'] = $post['User']['Organisation']['uuid'];
                    $posts[$k]['Post']['org_name'] = $post['User']['Organisation']['name'];
                } else {
                    $posts[$k]['Post']['org_name'] = 'Deactivated user'; // to keep BC
                }

                if ($this->_isSiteAdmin() || $this->Auth->user('org_id') == $post['User']['org_id']) {
                    $posts[$k]['Post']['user_email'] = empty($post['User']['id']) ? 'Unavailable' : $post['User']['email'];
                }
                $posts[$k]['Post']['user_id'] = empty($post['User']['id']) ? null : $post['User']['id'];
                $posts[$k] = $posts[$k]['Post'];
            }
            if ($this->_isRest()) {
                if (!empty($posts)) {
                    $thread['Thread']['Post'] = $posts;
                }
                return $this->RestResponse->viewData($thread, $this->response->type());
            } else {
                $this->set('posts', $posts);
                $this->set('post_id', $post_id);
                $this->set('thread', $thread);
            }
        }
        if ($this->request->is('ajax')) {
            $this->layout = false;
            $this->render('/Elements/eventdiscussion');
        }
    }

    public function index()
    {
        $this->loadModel('Posts');
        $this->loadModel('SharingGroup');
        $sgids = $this->SharingGroup->authorizedIds($this->Auth->user());
        $conditions = null;
        if (!$this->_isSiteAdmin()) {
            $conditions['AND']['OR'] = array(
                'Thread.distribution' => array(1, 2, 3),
                array(
                    'AND' => array(
                        'Thread.distribution' => 0,
                        'Thread.org_id' => $this->Auth->user('org_id'),
                    )
                ),
                array(
                    'AND' => array(
                        'Thread.distribution' => 4,
                        'Thread.sharing_group_id' => $sgids,
                    )
                )
            );
        }
        $conditions['AND'][] = array('Thread.post_count >' => 0);
        $this->paginate = array(
                'conditions' => $conditions,
                'fields' => array('date_modified', 'date_created', 'org_id', 'distribution', 'title', 'post_count', 'sharing_group_id'),
                'contain' => array(
                    'Post' =>array(
                        'fields' => array(),
                        'limit' => 1,
                        'order' => 'Post.date_modified DESC',
                        'User' => array(
                            'fields' => array('id','email', 'org_id'),
                            'Organisation' => array(
                                'fields' => array('id', 'name')
                            ),
                        ),
                    ),
                    'Organisation' => array(
                        'fields' => array('id', 'name')
                    ),
                    'SharingGroup' => array(
                        'fields' => array('id', 'name')
                    ),
                ),
                'order' => array('Thread.date_modified' => 'desc'),
                'recursive' => -1
        );
        $threadsBeforeEmailRemoval = $this->paginate();
        if (!$this->_isSiteAdmin()) {
            foreach ($threadsBeforeEmailRemoval as $key => $thread) {
                if (empty($thread['Post'][0]['User']['org_id'])) {
                    $threadsBeforeEmailRemoval[$key]['Post'][0]['User']['email'] = 'Deactivated user';
                } elseif ($thread['Post'][0]['User']['org_id'] != $this->Auth->user('org_id')) {
                    $threadsBeforeEmailRemoval[$key]['Post'][0]['User']['email'] = 'User ' . $thread['Post'][0]['User']['id'] . " (" . $thread['Post'][0]['User']['Organisation']['name'] . ")";
                }
            }
        }
        $this->set('threads', $threadsBeforeEmailRemoval);
        $this->loadModel('Event');
        $this->set('distributionLevels', $this->Event->distributionLevels);
    }
}