<?php

namespace Gateway;

use Config\Connection;
use PDO;

class GatewayQuestion
{
    private Connection $connection;

    public function __construct()
    {
        $this->connection = connect();
    }

    public function insertQuestion(QuestionAPI $question, int $idForm): void
    {
        $gatewayPossibleResponse = new GatewayPossibleResponse();

        $query = "INSERT INTO Question(content, type, form) VALUES(:content, :type, :form)";
        $this->connection->executeQuery($query, array(
            ':content' => array($question->getContent(), PDO::PARAM_STR),
            ':type' => array(get_class($question), PDO::PARAM_STR),
            ':form' => array($idForm, PDO::PARAM_INT)
        ));

        $idQuestion = $this->connection->lastInsertId();

        if(get_class($question) != TextQuestionAPI::class){
            $listPossibleResponse = $question->getPossibleResponses();

            for($i = 0; $i < count($listPossibleResponse); $i++){

                $idPossibleResponse = $gatewayPossibleResponse->insertPossibleResponse($listPossibleResponse[$i]);

                $query = "INSERT INTO Propose(question, possibleResponse) VALUES(:question, :possibleResponse)";
                $this->connection->executeQuery($query, array(
                    ':question' => array($idQuestion, PDO::PARAM_INT),
                    ':possibleResponse' => array($idPossibleResponse, PDO::PARAM_INT)
                ));


                foreach ($question->getCategories()[$i] as $keyword){
                    $gatewayForm = new GatewayForm();
                    $gatewayForm->assignKeywordToQuestion(array($keyword, $listPossibleResponse[$i], $idQuestion));
                }
            }
        }

    }

    public function deleteQuestion(QuestionAPI $question): void
    {
        if(get_class($question) == BoxQuestionAPI::class) {
            $query = "DELETE FROM Propose WHERE question = :id";
            $this->connection->executeQuery($query, array(
                ':id' => array($question->getId(), PDO::PARAM_INT)
            ));

            $listPossibleResponse = $question->getPossibleResponses();
            for ($i = 0; $i < count($listPossibleResponse); $i++){
                $query = "DELETE FROM Reference WHERE response = :id";
                $this->connection->executeQuery($query, array(
                    ':id' => array($listPossibleResponse[$i]->getId(), PDO::PARAM_INT)
                ));

                $query = "DELETE FROM PossibleResponse WHERE id = :id";
                $this->connection->executeQuery($query, array(
                    ':id' => array($listPossibleResponse[$i]->getId(), PDO::PARAM_INT)
                ));
            }
        }

        $query = "DELETE FROM Question WHERE id = :id";
        $this->connection->executeQuery($query, array(
            ':id' => array($question->getId(), PDO::PARAM_INT)
        ));
    }

    public function updateQuestion(QuestionAPI $question): void
    {
        $query = "UPDATE Question SET  content = :content, type = :type, form = :form WHERE id = :id";
        $this->connection->executeQuery($query, array(
            ':content' => array($question->getContent(), PDO::PARAM_STR),
            ':type' => array(get_class($question), PDO::PARAM_STR),
            ':form' => array($question->getForm(), PDO::PARAM_STR),
            ':id' => array($question->getId(), PDO::PARAM_STR)
        ));
    }

    public function getAllQuestions(array $idForm): array //print en json un array contenant trois qui pour chaque indice commun de ces 3 array une question, sa liste de reponse possible et sa liste de keyword associer au réponse. les deux autres sont null si c'est une textBox
    {
        $query = "SELECT * FROM Question WHERE form = :form";
        $this->connection->executeQuery($query, array(
            ':form' => array($idForm[0], PDO::PARAM_INT)
        ));

        $listQuestions = $this->connection->getResults();
        $possibleResponsesContent = [];
        $keywordsResponses = [];
        $gatewayKeyword = new GatewayKeyword();
        $gatewayPossibleResponse = new GatewayPossibleResponse();

        if(!empty($listQuestions)) {

            for ($i = 0; $i < count($listQuestions); $i++) {

                if ($listQuestions[$i]["type"] != "BusinessClass/TextQuestion") {
                    $possibleResponses = $gatewayPossibleResponse->getPossibleResponseByQuestion(array($listQuestions[$i]["id"])); //$this->connection->getResults();

                    $tmpTabKeyword = [];
                    $tmpTabPossibleResponse = [];
                    foreach ($possibleResponses as $row){
                        $tmpTabKeyword[] = $gatewayKeyword->getKeywordsContentByReference(array($row["id"]));

                        $tmpTabPossibleResponse[] = $row["content"];
                    }
                    $possibleResponsesContent[] = $tmpTabPossibleResponse;
                    $keywordsResponses[] = $tmpTabKeyword;
                }
                else{
                    $possibleResponsesContent[] = null;
                    $keywordsResponses[] = null;
                }
            }
            return array($listQuestions, $possibleResponsesContent, $keywordsResponses);
        }
        return array();
    }

    public function getQuestionContentById(array $id): string
    {
        $query = "SELECT content FROM Question WHERE id = :id";
        $this->connection->executeQuery($query, array(
            ':id' => array($id[0], PDO::PARAM_INT)
        ));

        return $this->connection->getResults()[0][0];
    }
}