<?php

namespace common\helpers;

use yii\helpers\ArrayHelper;
use Exception;
use yii\helpers\Html;

class AnswerHelper
{
    const FLAG_TRUE = 1;
    const FLAG_FALSE = 0;
    const FLAG_NOT_VERIFIED = null;

    public static function answerFlagsList(): array
    {
        return [
            self::FLAG_TRUE => 'Верен',
            self::FLAG_FALSE => 'Ошибочный',
            self::FLAG_NOT_VERIFIED => 'Не проверен',
        ];
    }

    /**
     * @throws Exception
     */
    public static function answerFlagLabel($status): string
    {
        switch (true) {
            case ($status === self::FLAG_FALSE):
                $class = 'label label-danger';
                break;
            case ($status === self::FLAG_TRUE):
                $class = 'label label-success';
                break;
            default:
                $class = 'label label-warning';
        }

        return Html::tag('span', ArrayHelper::getValue(self::answerFlagsList(), $status), [
            'class' => $class,
        ]);
    }

    public static function answerStatusLabel($answer_flag): string
    {
        $class = 'label label-warning';
        $content = 'Не проверен';

        if ($answer_flag > 0) {
            $class = 'label label-success';
            $answer_flag < 1 ? $content = $answer_flag *100 . '%' : $content = 'Верен';
        }
        else if ($answer_flag === 0.0) {
            $class = 'label label-danger';
            $content = 'Не верен';
        }

        return Html::tag('span', $content, ['class' => $class,]);
    }
}