<?php

namespace Gateway;

use Config\Connection;
use PDO;
use Config\ConnectClass;

class GatewayForm
{
    private Connection $connection;

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

    public function insertForm(array $parameters): void
    {
        if(empty($this->getForm(array())))
        {
            $query = "INSERT INTO Form(title, description) VALUES(:title, :description)";
            $this->connection->executeQuery($query, array(
                ':title' => array($parameters[0], PDO::PARAM_STR),                  //parameters[0] = title of the form
                ':description' => array($parameters[1], PDO::PARAM_STR)             //parameters[1] = description of the form
            ));
        }
    }

    public function getForm(array $ignore): array                               //parameters never used cause every function require this parameter
    {
        $query = "SELECT * FROM Form";
        $this->connection->executeQuery($query);
        return $this->connection->getResults();
    }

    public function deleteForm(array $idform): void
    {
        $query = "DELETE FROM Form WHERE id = :id";
        $this->connection->executeQuery($query, array(
            ':id' => array($idform[0], PDO::PARAM_INT)
        ));
    }

    public function selectForDeleteAndInsert(int $idQuestion, string $response){
        $query = "SELECT pr.id FROM Propose p, PossibleResponse pr WHERE p.question = :id AND p.possibleResponse = pr.id AND pr.content = :response";
        $this->connection->executeQuery($query, array(
            ':id' => array($idQuestion, PDO::PARAM_INT),
            ':response' => array($response, PDO::PARAM_STR)
        ));

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

    public function assignKeywordToQuestion(array $parameters): void
    {
        $query = "INSERT INTO Reference(possibleResponse, keyword) VALUES(:possibleResponse, :keyword)";
        $this->connection->executeQuery($query, array(
            ':possibleResponse' => array($this->selectForDeleteAndInsert($parameters[2],$parameters[1]), PDO::PARAM_INT),
            ':keyword' => array($parameters[0], PDO::PARAM_STR)                 //parameters[0] = keyword
        ));
    }

    public function deleteKeywordFromQuestion(array $parameters): void
    {
        $query = "DELETE FROM Reference WHERE response = :idResponse AND keyword = :idKeword";
        $this->connection->executeQuery($query, array(
            ':possibleResponse' => array($this->selectForDeleteAndInsert($parameters[2],$parameters[1]), PDO::PARAM_INT),
            ':keyword' => array($parameters[0], PDO::PARAM_STR)                 //parameters[0] = keyword
        ));
    }

    public function updateTitleToForm(array $parameters): void
    {
        $query = "UPDATE Form SET title = :title WHERE id = :id";
        $this->connection->executeQuery($query, array(
            ':title' => array($parameters[0], PDO::PARAM_STR),      //parameters[0] = title
            ':id' => array($parameters[1], PDO::PARAM_INT)          //parameters[1] = idForm
        ));
    }

    public function updateDescriptionToForm(array $parameters): void
    {
        $query = "UPDATE Form SET title = :title WHERE description = :description";
        $this->connection->executeQuery($query, array(
            ':description' => array($parameters[0], PDO::PARAM_STR),      //parameters[0] = description
            ':id' => array($parameters[1], PDO::PARAM_INT)                     //parameters[1] = idForm
        ));
    }

    public function deleteDescriptionToForm(array $idForm): void
    {
        $query = "UPDATE Form SET title = :title WHERE description = :description";
        $this->connection->executeQuery($query, array(
            ':description' => array('', PDO::PARAM_STR),
            ':id' => array($idForm[0], PDO::PARAM_INT)
        ));
    }
}