<?php

// Fonction pour générer un code aléatoire de 60 caractères

function str_random($length) {
	$alphabet = "0123456789azertyuiopqsdfghjklmwxcvbnAZERTYUIOPQSDFGHJKLMWXCVBN";
	return substr(str_shuffle(str_repeat($alphabet, $length)), 0, $length);
}

function OnlyStaff()
{
    $allowedgrades = [1];
    $grade = $_SESSION['user']['grade'];
    foreach ($allowedgrades as $allowed) {
        if ($grade === $allowed) {
            $_SESSION['error'] = "Vous n'avez pas la permission d'accéder à cette page";
            header("Location: index.php");
            exit();
        }
    }
}

function OnlyStaffButton($button)
{
    $allowedgrades = [1];
    $grade = $_SESSION['user']['grade'];
    foreach ($allowedgrades as $allowed) {
        if ($grade !== $allowed) {
            echo $button;
            break;
        }
    }
}

function dateDiff($date1, $date2){
    $diff = abs($date1 - $date2); // abs pour avoir la valeur absolute, ainsi éviter d'avoir une différence négative
    $retour = array();

    $tmp = $diff;
    $retour['second'] = $tmp % 60;

    $tmp = floor( ($tmp - $retour['second']) /60 );
    $retour['minute'] = $tmp % 60;

    $tmp = floor( ($tmp - $retour['minute'])/60 );
    $retour['hour'] = $tmp % 24;

    $tmp = floor( ($tmp - $retour['hour'])  /24 );
    $retour['day'] = $tmp;

    return $retour;
}

function Permission($name, $button, $bdd_cpm){
    include('bdd.php');
    $req = $bdd_cpm->prepare('SELECT * FROM role_perm WHERE name = :name AND grade = :grade');
    $req->execute(['name' => $name, 'grade' => $_SESSION['user']['grade']]);
    $result = $req->fetch();

    if ($result['value'] == "TRUE") {
        echo $button;
    }

}

function AllowedPage($name, $bdd_cpm){
    include('bdd.php');
    $req = $bdd_cpm->prepare('SELECT * FROM role_perm WHERE name = :name AND grade = :grade');
    $req->execute(['name' => $name, 'grade' => $_SESSION['user']['grade']]);
    $result = $req->fetch();

	if ($result['value'] =! "TRUE") {
		$_SESSION['error'] = "Vous n'avez pas la permission d'accéder à cette page !";
        header("Location: index.php");
		exit();
	}
}