<?php

namespace App\Controllers;


use App\Constants\AclRoles;
use App\Model\Project;
use App\Model\User;
use App\Model\UserProject;
use PhalconApi\Constants\ErrorCodes;
use PhalconApi\Exception;
use PhalconRest\Mvc\Controllers\CrudResourceController;

class ProjectController extends CrudResourceController
{
    /**
     * Возвращает все проэкты залогиненого пользователя
     *
     * @return mixed
     * @throws Exception
     */
    public function allAction()
    {
        $user_id = $this->userService->getIdentity();
        $projects = Project::find(["user_id = '$user_id'"]);
        if (count($projects) == 0)
        {
            $projects = User::findFirst([$user_id])->projects;
            if (count($projects) == 0)
            {
                throw new Exception(ErrorCodes::GENERAL_NOT_FOUND, 'Projects not found');
            }
            else
            {
                var_dump($projects);
                return $this->createArrayResponse($projects, 'projects');
            }
        }
        else
        {
            return $this->createArrayResponse($projects, 'projects');
        }
    }

    /**
     * @param $data
     * @param $isUpdate
     * @return bool
     * @throws Exception
     */
    public function postDataValid($data, $isUpdate)
    {
        if ($isUpdate)
        {
            if (isset($data['user_id']))
            {
                throw new Exception(ErrorCodes::ACCESS_DENIED, 'Find user_id value in post-data. Operation is not allowed.');
            }
            return true;
        }
        else
        {
            if (isset($data['user_id']))
            {
                throw new Exception(ErrorCodes::ACCESS_DENIED, 'Find user_id value in post-data. Operation is not allowed.');
            }
            return true;
        }
    }

    /**
     *
     * @param Project $item
     */
    protected function beforeCreate(Project $item)
    {
        $user_id = $this->userService->getIdentity();
        $item->user_id = $user_id;
    }

    /**
     * @param Project $item
     * @return bool|void
     */
    protected function afterCreate(Project $item)
    {
        $data = ['project_id' => $item->id, 'user_id' => $item->user_id];
        $junction = new UserProject();
        $junction->user_id = $item->user_id;
        $junction->project_id = $item->id;
        if (!$junction->save())
        {
            return $this->onCreateFailed($junction, $data);
        }
        return true;
    }

    /**
     * @param $id
     * @throws Exception
     */
    protected function beforeHandleUpdate($id)
    {
        $user_id = $this->userService->getIdentity();

        if(!UserProject::findFirst(["user_id = '$user_id'"]) && $this->userService->getRole() !== AclRoles::ADMINISTRATOR)
        {
            throw new Exception(ErrorCodes::ACCESS_DENIED, 'Operation is not allowed');
        }
    }

    /**
     * @param $id
     * @throws Exception
     */
    protected function beforeHandleRemove($id)
    {
        $project = Project::findFirst($id)->id;

        if (empty($project))
        {
            throw new Exception(ErrorCodes::GENERAL_NOT_FOUND, 'Project with `id`='.$id.' not found');
        }

        $user_id = $this->userService->getIdentity();

        $project = Project::findFirst(["user_id = '$user_id' AND id = '$id'"]);

        if (empty($project) && $this->userService->getRole() !== AclRoles::ADMINISTRATOR)
        {
            throw new Exception(ErrorCodes::ACCESS_DENIED, 'Operation is not allowed');
        }
        else
        {
            $project_links = UserProject::find(["project_id = '$id'"]);
            foreach ($project_links as $project_link) {
                $this->removeItem($project_link);
            }
        }
    }
}