<?php

/*
 * This file is part of RaspiSMS.
 *
 * (c) Pierre-Lin Bonnemaison <plebwebsas@gmail.com>
 *
 * This source file is subject to the GPL-3.0 license that is bundled
 * with this source code in the file LICENSE.
 */

namespace controllers\internals;

    class ConditionalGroup extends StandardController
    {
        protected $model = null;

        /**
         * Get the model for the Controller
         * @return \descartes\Model
         */
        protected function get_model () : \descartes\Model
        {
            $this->model = $this->model ?? new \models\ConditionalGroup($this->bdd);
            return $this->model;
        } 


        /**
         * Create a new group for a user
         * @param int $id_user : user id
         * @param string $name         : Group name
         * @param string $condition : Condition for forming group content
         * @return mixed bool|int : false on error, new group id
         */
        public function create (int $id_user, string $name, string $condition)
        {
            $conditional_group = [
                'id_user' => $id_user,
                'name' => $name,
                'condition' => $condition,
            ];

            if (!$this->validate_condition($condition))
            {
                return false;
            }
            
            $id_group = $this->get_model()->insert($conditional_group);
            if (!$id_group)
            {
                return false;
            }

            $internal_event = new Event($this->bdd);
            $internal_event->create($id_user, 'CONDITIONAL_GROUP_ADD', 'Ajout du groupe conditionnel : ' . $name);

            return $id_group;
        }


        /**
         * Update a group for a user
         * @param int $id_user : User id
         * @param int $id_group           : Group id
         * @param string $name         : Group name
         * @param string $condition : Condition for forming group content
         * @return bool : False on error, true on success
         */
        public function update_for_user(int $id_user, int $id_group, string $name, string $condition)
        {
            $conditional_group = [
                'name' => $name,
                'condition' => $condition,
            ];
            
            if (!$this->validate_condition($condition))
            {
                return false;
            }

            $result = $this->get_model()->update_for_user($id_user, $id_group, $conditional_group);
            if (!$result)
            {
                return false;
            }

            return true;
        }


        /**
         * Return a group by his name for a user
         * @param int $id_user : User id
         * @param string $name : Group name
         * @return array
         */
        public function get_by_name_for_user (int $id_user, string $name)
        {
            return $this->get_model()->get_by_name_for_user($id_user, $name);
        }


        /**
         * Verify if a condition string is valid (i.e we can parse it without error)
         * @param string $condition : Condition string to verify
         * @return bool
         */
        public function validate_condition (string $condition) : bool
        {
        }
    }