<?php



namespace bizley\podium\controllers;



use bizley\podium\filters\AccessControl;

use bizley\podium\models\Category;

use bizley\podium\models\Forum;

use bizley\podium\models\Thread;

use bizley\podium\models\User;

use bizley\podium\rbac\Rbac;

use bizley\podium\services\ThreadVerifier;

use Yii;

use yii\helpers\Html;

use yii\web\Response;



/**

 * Podium Forum controller

 * All actions concerning threads.

 * Not accessible directly.

 *

 * @author Paweł Bizley Brzozowski <pawel@positive.codes>

 * @since 0.5

 */

class ForumThreadController extends BaseController

{

    /**

     * @inheritdoc

     */

    public function behaviors()

    {

        return [

            'access' => [

                'class' => AccessControl::className(),

                'rules' => [['allow' => false]],

            ],

        ];

    }



    /**

     * Returns separated thread actions.

     * @return array

     * @since 0.6

     */

    public function actions()

    {

        return [

            'lock' => [

                'class' => 'bizley\podium\actions\ThreadAction',

                'permission' => Rbac::PERM_LOCK_THREAD,

                'boolAttribute' => 'locked',

                'switcher' => 'podiumLock',

                'onMessage' => Yii::t('podium/flash', 'Thread has been locked.'),

                'offMessage' => Yii::t('podium/flash', 'Thread has been unlocked.')

            ],

            'pin' => [

                'class' => 'bizley\podium\actions\ThreadAction',

                'permission' => Rbac::PERM_PIN_THREAD,

                'boolAttribute' => 'pinned',

                'switcher' => 'podiumPin',

                'onMessage' => Yii::t('podium/flash', 'Thread has been pinned.'),

                'offMessage' => Yii::t('podium/flash', 'Thread has been unpinned.')

            ],

        ];

    }



    /**

     * Deleting the thread of given category ID, forum ID, own ID and slug.

     * @param int $cid category ID

     * @param int $fid forum ID

     * @param int $id thread ID

     * @param string $slug thread slug

     * @return string|Response

     */

    public function actionDelete($cid = null, $fid = null, $id = null, $slug = null)

    {

        $thread = (new ThreadVerifier([

            'categoryId' => $cid,

            'forumId' => $fid,

            'threadId' => $id,

            'threadSlug' => $slug

        ]))->verify();

        if (empty($thread)) {

            $this->error(Yii::t('podium/flash', 'Sorry! We can not find the thread you are looking for.'));

            return $this->redirect(['forum/index']);

        }



        if (!User::can(Rbac::PERM_DELETE_THREAD, ['item' => $thread])) {

            $this->error(Yii::t('podium/flash', 'Sorry! You do not have the required permission to perform this action.'));

            return $this->redirect(['forum/index']);

        }



        $postData = Yii::$app->request->post('thread');

        if ($postData) {

            if ($postData != $thread->id) {

                $this->error(Yii::t('podium/flash', 'Sorry! There was an error while deleting the thread.'));

            } else {

                if ($thread->podiumDelete()) {

                    $this->success(Yii::t('podium/flash', 'Thread has been deleted.'));

                    return $this->redirect([

                        'forum/forum',

                        'cid' => $thread->forum->category_id,

                        'id' => $thread->forum->id,

                        'slug' => $thread->forum->slug

                    ]);

                }

                $this->error(Yii::t('podium/flash', 'Sorry! There was an error while deleting the thread.'));

            }

        }

        return $this->render('delete', ['model' => $thread]);

    }



    /**

     * Moving the thread of given category ID, forum ID, own ID and slug.

     * @param int $cid category ID

     * @param int $fid forum ID

     * @param int $id thread ID

     * @param string $slug thread slug

     * @return string|Response

     */

    public function actionMove($cid = null, $fid = null, $id = null, $slug = null)

    {

        $thread = (new ThreadVerifier([

            'categoryId' => $cid,

            'forumId' => $fid,

            'threadId' => $id,

            'threadSlug' => $slug

        ]))->verify();

        if (empty($thread)) {

            $this->error(Yii::t('podium/flash', 'Sorry! We can not find the thread you are looking for.'));

            return $this->redirect(['forum/index']);

        }



        if (!User::can(Rbac::PERM_MOVE_THREAD, ['item' => $thread])) {

            $this->error(Yii::t('podium/flash', 'Sorry! You do not have the required permission to perform this action.'));

            return $this->redirect(['forum/index']);

        }



        $forum = Yii::$app->request->post('forum');

        if ($forum) {

            if (!is_numeric($forum) || $forum < 1 || $forum == $thread->forum->id) {

                $this->error(Yii::t('podium/flash', 'You have to select the new forum.'));

            } else {

                if ($thread->podiumMoveTo($forum)) {

                    $this->success(Yii::t('podium/flash', 'Thread has been moved.'));

                    return $this->redirect([

                        'forum/thread',

                        'cid' => $thread->forum->category->id,

                        'fid' => $thread->forum->id,

                        'id' => $thread->id,

                        'slug' => $thread->slug

                    ]);

                }

                $this->error(Yii::t('podium/flash', 'Sorry! There was an error while moving the thread.'));

            }

        }



        $categories = Category::find()->orderBy(['name' => SORT_ASC]);

        $forums = Forum::find()->orderBy(['name' => SORT_ASC]);

        $list = [];

        $options = [];

        foreach ($categories->each() as $cat) {

            $catlist = [];

            foreach ($forums->each() as $for) {

                if ($for->category_id == $cat->id) {

                    $catlist[$for->id] = (User::can(Rbac::PERM_UPDATE_THREAD, ['item' => $for]) ? '* ' : '')

                                        . Html::encode($cat->name)

                                        . ' &raquo; '

                                        . Html::encode($for->name);

                    if ($for->id == $thread->forum->id) {

                        $options[$for->id] = ['disabled' => true];

                    }

                }

            }

            $list[Html::encode($cat->name)] = $catlist;

        }

        return $this->render('move', [

            'model' => $thread,

            'list' => $list,

            'options' => $options

        ]);

    }



    /**

     * Creating the thread of given category ID and forum ID.

     * @param int $cid category ID

     * @param int $fid forum ID

     * @return string|Response

     */

    public function actionNewThread($cid = null, $fid = null)

    {

        if (!User::can(Rbac::PERM_CREATE_THREAD)) {

            $this->error(Yii::t('podium/flash', 'Sorry! You do not have the required permission to perform this action.'));

            return $this->redirect(['forum/index']);

        }



        $forum = Forum::find()->where(['id' => $fid, 'category_id' => $cid])->limit(1)->one();

        if (empty($forum)) {

            $this->error(Yii::t('podium/flash', 'Sorry! We can not find the forum you are looking for.'));

            return $this->redirect(['forum/index']);

        }



        $model = new Thread();

        $model->scenario = 'new';

        $model->subscribe = 1;

        $preview = false;

        $postData = Yii::$app->request->post();

        if ($model->load($postData)) {

            $model->posts = 0;

            $model->views = 0;

            $model->category_id = $forum->category->id;

            $model->forum_id = $forum->id;

            $model->author_id = User::loggedId();

            if ($model->validate()) {

                if (isset($postData['preview-button'])) {

                    $preview = true;

                } else {

                    if ($model->podiumNew()) {

                        $this->success(Yii::t('podium/flash', 'New thread has been created.'));

                        return $this->redirect([

                            'forum/thread',

                            'cid' => $forum->category->id,

                            'fid' => $forum->id,

                            'id' => $model->id,

                            'slug' => $model->slug

                        ]);

                    }

                    $this->error(Yii::t('podium/flash', 'Sorry! There was an error while creating the thread. Contact administrator about this problem.'));

                }

            }

        }

        return $this->render('new-thread', [

            'preview' => $preview,

            'model' => $model,

            'forum' => $forum,

        ]);

    }

}