<?php

function dbConnect(){
    try
    {
        $db = new PDO('mysql:host=localhost;dbname=armada;charset=utf8', 'root', '');
        return $db;
    }
    catch(Exception $e)
    {
        die('Erreur : '.$e->getMessage());
    }
}

function checkUserPresence($mail){
    $presenceUser = false;

    $db = dbConnect();
    $request = $db->prepare('SELECT mail FROM user WHERE mail = ?');
    $request->execute(array($mail));

    while ( $request->fetch() )
    {
        $presenceUser = true;
    }

    $request->closeCursor();

    return $presenceUser;
}

function addUser($mail, $password, $fName, $sName){

    $db = dbConnect();

    $request = $db->prepare("INSERT INTO user VALUES(0, :mail , :nom , :prenom , :passwordd ,null )");

    $request->execute(array(
        'mail' => $mail,
        'nom' => $sName,
        'prenom' => $fName,
        'passwordd' => password_hash($password, PASSWORD_DEFAULT),

    ));


    $request->closeCursor();

}

function checkLogin($mail, $password, $passwordIsHashed){

    $connexion = false;
    $db = dbConnect();
    $request = $db->prepare('SELECT password FROM user WHERE mail = ?');
    $request->execute(array($mail));


    if ( $data = $request->fetch() )
    {
        if($passwordIsHashed){
            if( $password == $data['password'] ){
                $connexion = true;
                setSessionInformation($mail);
            }
        }
        else{
            if( password_verify($password, $data['password']) ){
                $connexion = true;
                setSessionInformation($mail);
            }
        }

    }

    $request->closeCursor();

    return $connexion;
}


function setSessionInformation($mail){
    $db = dbConnect();
    $request = $db->prepare('SELECT * FROM user WHERE mail = ?');
    $request->execute(array($mail));

    $data = $request->fetch();

    $_SESSION['id']=$data['id'];
    $_SESSION['mail']=$data['mail'];
    $_SESSION['name']=$data['nom'];

}