<?php
/**
 * This software is governed by the CeCILL-B license. If a copy of this license
 * is not distributed with this file, you can obtain one at
 * http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.txt
 *
 * Authors of STUdS (initial project): Guilhem BORGHESI (borghesi@unistra.fr) and Raphaël DROZ
 * Authors of Framadate/OpenSondate: Framasoft (https://github.com/framasoft)
 *
 * =============================
 *
 * Ce logiciel est régi par la licence CeCILL-B. Si une copie de cette licence
 * ne se trouve pas avec ce fichier vous pouvez l'obtenir sur
 * http://www.cecill.info/licences/Licence_CeCILL-B_V1-fr.txt
 *
 * Auteurs de STUdS (projet initial) : Guilhem BORGHESI (borghesi@unistra.fr) et Raphaël DROZ
 * Auteurs de Framadate/OpenSondage : Framasoft (https://github.com/framasoft)
 */
namespace Framadate\Services;

class PollService {

    private $connect;

    function __construct($connect) {
        $this->connect = $connect;
    }

    /**
     * Find a poll from its ID.
     *
     * @param $poll_id int The ID of the poll
     * @return \stdClass|null The found poll, or null
     */
    function findById($poll_id) {
        if (preg_match('/^[\w\d]{16}$/i', $poll_id)) {
            return $this->connect->findPollById($poll_id);
        }

        return null;
    }

    function allCommentsByPollId($poll_id) {
        return $this->connect->allCommentsByPollId($poll_id);
    }

    function allUserVotesByPollId($poll_id) {
        return $this->connect->allUserVotesByPollId($poll_id);
    }

    function allSlotsByPollId($poll_id) {
        return $this->connect->allSlotsByPollId($poll_id);
    }

    public function updateVote($poll_id, $vote_id, $choices) {
        $choices = implode($choices);
        return $this->connect->updateVote($poll_id, $vote_id, $choices);
    }

    function addVote($poll_id, $name, $choices) {
        $choices = implode($choices);
        return $this->connect->insertVote($poll_id, $name, $choices);
    }

    function addComment($poll_id, $name, $comment) {
        // TODO Check if there is no duplicate before to add a new comment
        return $this->connect->insertComment($poll_id, $name, $comment);
    }

    function computeBestMoments($votes) {
        $result = [];
        foreach ($votes as $vote) {
            $choices = str_split($vote->reponses);
            foreach ($choices as $i=>$choice) {
                if (empty($result[$i])) {
                    $result[$i] = 0;
                }
                if ($choice == 2) {
                    $result[$i]++;
                }
            }
        }
        return $result;
    }

    function splitSlots($slots) {
        $splitted = array();
        foreach ($slots as $slot) {
            $ex = explode('@', $slot->sujet);
            $obj = new \stdClass();
            $obj->day = $ex[0];
            $obj->moments = explode(',', $ex[1]);

            $splitted[] = $obj;
        }
        return $splitted;
    }

    function splitVotes($votes) {
        $splitted = array();
        foreach ($votes as $vote) {
            $obj = new \stdClass();
            $obj->id = $vote->id_users;
            $obj->name = $vote->nom;
            $obj->choices = str_split($vote->reponses);

            $splitted[] = $obj;
        }
        return $splitted;
    }
}