<?php

namespace Gateway;
use PDO;

class QuizQuestionGateway extends Gateway
{

    /**
     * Retrieves the questions associated with a specific quiz.
     *
     * This method fetches all records from the `Quiz_Question` table that are linked to a specific quiz by its ID.
     *
     * @param int $idQuiz The ID of the quiz for which the questions are to be retrieved.
     *
     * @return array Returns an array of questions linked to the provided quiz ID. Each question is represented as an associative array with its columns as keys.
     */
    public function findQuestionsFromQuiz(int $idQuiz) : array
    {
        // SQL query to select all records from the Quiz_Question table where the quiz ID matches the given ID
        $query = "SELECT * FROM Quiz_Question
            WHERE quiz = :id_quiz";

        // Execute the query with the provided quiz ID
        $this -> co -> executeQuery($query, ['id_quiz' => array($idQuiz, PDO::PARAM_INT)]);

        // Return the results retrieved from the database
        return $this -> co -> getResults();
    }

}