<?php

namespace TestController;


use InvalidArgumentException;
use Model\ModelAdmin;
use PHPUnit\Framework\MockObject\Exception;
use PHPUnit\Framework\TestCase;
use Controller\ControllerAdmin;
use stdClass;

class ControllerAdminTest extends TestCase
{
    /**
     * @throws \Exception
     */
    public function testAddQuestionThrowsExceptionWhenTypeIsMissing()
    {
        $controller = new ControllerAdmin();
        $_POST['type'] = '';
        $this->expectException(InvalidArgumentException::class);
        $controller->addQuestion();
    }

    /**
     * @throws Exception
     * @throws \Exception
     */
    public function testAddQuestionCallsModelAdminAndGoesToQuestionsWhenTypeIsTextQuestion()
    {
        $modelMock = $this->createMock(ModelAdmin::class);
        $modelMock->expects($this->once())->method('addQuestion');
        $controller = new ControllerAdmin();
        $controller->goToQuestions = $this->createMock(stdClass::class); // mock the method
        $_POST['type'] = 'BusinessClass\TextQuestion';
        $controller->addQuestion();
    }

    /**
     * @throws Exception
     * @throws \Exception
     */
    public function testAddQuestionCallsModelAdminAndRequiresPossibleResponsesFormWhenTypeIsNotTextQuestion()
    {
        $modelMock = $this->createMock(ModelAdmin::class);
        $modelMock->expects($this->once())->method('addQuestion');
        $modelMock->expects($this->once())->method('getCategories');
        $controller = new ControllerAdmin();
        $controller->goToQuestions = $this->createMock(stdClass::class); // mock the method
        $_POST['type'] = 'BusinessClass\OtherQuestion';
        $GLOBALS['rep'] = 'path/to/';
        $GLOBALS['views'] = ['possibleResponsesForm' => 'path/to/possibleResponsesForm.php'];
        $this->expectOutputString(file_get_contents('path/to/possibleResponsesForm.php'));
        $controller->addQuestion();
    }

    /**
     * @throws \Exception
     */
    public function testAddResponseThrowsExceptionWhenParametersAreMissing()
    {
        $controller = new ControllerAdmin();
        $_POST = [];
        $this->expectException(InvalidArgumentException::class);
        $controller->addResponse();
    }

    /**
     * @throws Exception
     * @throws \Exception
     */
    public function testAddResponseCallsModelAdminAndRequiresContinueWhenParametersAreValid()
    {
        $modelMock = $this->createMock(ModelAdmin::class);
        $modelMock->expects($this->once())->method('addResponse');
        $modelMock->expects($this->once())->method('getCategories');
        $controller = new ControllerAdmin();
        $GLOBALS['rep'] = 'path/to/';
        $GLOBALS['views'] = ['continue' => 'path/to/continue.php'];
        $_POST['idQuestion'] = '123';
        $_POST['question'] = 'What is the meaning of life?';
        $_POST['type'] = 'BusinessClass\OtherQuestion';
        $this->expectOutputString(file_get_contents('path/to/continue.php'));
        $controller->addResponse();
    }

    /**
     * @throws \Exception
     */
    public function testContinueResponseThrowsExceptionWhenParametersAreMissing()
    {
        $controller = new ControllerAdmin();
        $_POST = [];
        $this->expectException(InvalidArgumentException::class);
        $controller->continueResponse();

    }
}