<?php
namespace Tests\TestHubBundle\Service;

use TestHubBundle\Entity\Attempt;
use TestHubBundle\Entity\DecimalAnswer;
use TestHubBundle\Entity\QuestionWithDecimalAnswer;
use TestHubBundle\Entity\QuestionWithMultipleCorrectAnswers;
use TestHubBundle\Entity\QuestionWithSingleCorrectAnswer;
use TestHubBundle\Entity\QuestionWithTextAnswer;
use TestHubBundle\Entity\Test;
use TestHubBundle\Entity\TextAnswer;
use TestHubBundle\Entity\Variant;
use TestHubBundle\Entity\VariantAnswer;
use TestHubBundle\Service\Calculator;

class CalculatorTest extends \PHPUnit_Framework_TestCase
{
    public function testCalculateMark()
    {
        $attempt = new Attempt();
        $test = new Test();
        $attempt->setTest($test);

        /**
         * First question (with correct answer)
         */
        $question1 = new QuestionWithSingleCorrectAnswer();
        $question1->setId(1);
        $question1->setDescription("Сколько будет 5 - 2 (пять минус два) ?");
        $question1->setPoints(10);
        $question1->setTest($test);
        $question1->setSequenceNumber(1);

        $variant1 = new Variant();
        $variant1->setId(1);
        $variant1->setValue("7");
        $variant1->setIsRight("no");
        $variant2 = new Variant();
        $variant2->setId(2);
        $variant2->setValue("3");
        $variant2->setIsRight("yes");
        $variant3 = new Variant();
        $variant3->setId(3);
        $variant3->setValue("2");
        $variant3->setIsRight("no");
        $variant4 = new Variant();
        $variant4->setId(4);
        $variant4->setValue("ни один из вариантов");
        $variant4->setIsRight("no");
        $question1->setVariants([$variant1, $variant2, $variant3, $variant4]);

        $answer1 = new VariantAnswer();
        $answer1->setAttempt($attempt);
        $answer1->setQuestion($question1);
        $answer1->setVariant($variant2);

        /**
         * Second question (with correct answer)
         */
        $question2 = new QuestionWithTextAnswer();
        $question2->setId(2);
        $question2->setDescription(
            "Как называется этот значок \"+\"?" .
            "Подсказка: 4 буквы, начинается с \"п\", заканчивается на \"люс\"."
        );
        $question2->setPoints(5);
        $question2->setTest($test);
        $question2->setSequenceNumber(2);
        $question2->setAnswerText("плюс");

        $answer2 = new TextAnswer();
        $answer2->setAttempt($attempt);
        $answer2->setQuestion($question2);
        $answer2->setTextAnswer("плюс");

        /**
         * Third question (with wrong answer)
         */
        $question3 = new QuestionWithDecimalAnswer();
        $question3->setId(3);
        $question3->setDescription(
            "Сколько будет 2 + 2 (два плюс два)? Ответ дать числом."
        );
        $question3->setPoints(5);
        $question3->setTest($test);
        $question3->setSequenceNumber(3);
        $question3->setAnswerDecimal("4");

        $answer3 = new DecimalAnswer();
        $answer3->setAttempt($attempt);
        $answer3->setQuestion($question3);
        $answer3->setDecimalAnswer("5.5");

        /**
         * Fourth question (without answer, i.e. skipped)
         */
        $variant5 = new Variant();
        $variant5->setId(5);
        $variant5->setValue("число 5 положительное");
        $variant5->setIsRight("yes");
        $variant6 = new Variant();
        $variant6->setId(6);
        $variant6->setValue("число 5 больше нуля");
        $variant6->setIsRight("yes");
        $variant7 = new Variant();
        $variant7->setId(7);
        $variant7->setValue("число 5 меньше нуля");
        $variant7->setIsRight("no");
        $variant8 = new Variant();
        $variant8->setId(8);
        $variant8->setValue("число 5 четное");
        $variant8->setIsRight("no");

        $question4 = new QuestionWithMultipleCorrectAnswers();
        $question4->setId(4);
        $question4->setDescription("Выберите правильные утверждения");
        $question4->setPoints(10);
        $question4->setTest($test);
        $question4->setSequenceNumber(4);
        $question4->setVariants([$variant5, $variant6, $variant7, $variant8]);

        /**
         * Attach questions and answers
         */
        $test->setQuestions([$question1, $question2, $question3, $question4]);
        $attempt->setAnswers([$answer1, $answer2, $answer3]);

        /**
         * Finally test itself
         */
        $calculator = new Calculator();
        $mark = $calculator->calculateMark($attempt);
        $this->assertInternalType('integer', $mark);
        $this->assertEquals(15, $mark);
    }
}