<?php

namespace Model;

use Entity\QuestionEntity;
use Entity\QuizEntity;
use Entity\QuizQuestionEntity;
use Gateway\Connection;
use Gateway\QuestionGateway;
use Gateway\QuizGateway;
use Gateway\QuizQuestionGateway;
use Gateway\Gateway;

class QuizQuestionModel extends Model
{

    /**
     * Retrieves all questions associated with a specific quiz.
     *
     * @param int $id The unique identifier of the quiz.
     * @param Connection $co The database connection to be used for querying.
     * 
     * @return QuestionEntity[] Returns an array of QuestionEntity objects representing all the questions in the quiz.
     */
    public function getAllQuestionByQuiz(int $id, Connection $co): array{
        // Fetch all questions related to the given quiz ID using the gateway's findQuestionsFromQuiz method.
        $q = $this->gateway->findQuestionsFromQuiz($id);

        // Initialize an empty array to store the QuestionEntity objects.
        $questions = [];

        // Create a new QuestionGateway instance using the provided database connection.
        $gateway = new QuestionGateway($co);

        // Create a new QuestionModel instance, passing the QuestionGateway for data operations.
        $qmdl = new QuestionModel($gateway);

        // Loop through each question in the result and retrieve its full details using the QuestionModel.
        foreach ($q as $question) {
            // Add the full QuestionEntity object for each question to the questions array.
            $questions[] = $qmdl->getQuestion($question[1]);
        }

        // Return the array of QuestionEntity objects.
        return $questions;
    }

}

?>