<?php
require_once("inc/functions.php");
session_start();

    $errors = array();
    require_once("inc/db.php");

    if (empty($_POST['username']) || !preg_match('/^[a-zA-Z0-9_]+$/', $_POST['username'])) {
        $errors['username'] = "Vous n'avez pas rentrer de pseudo valide (alphanumérique).";
    } else {
        $req = $db->prepare("SELECT id FROM users WHERE username = ?");
        $req->execute([$_POST['username']]);
        $user = $req->fetch();
        if ($user) {
            $errors['username'] = "Ce pseudo est déjà utilisé.";
        }
    }

    if (empty($_POST['email']) || !filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)) {
        $errors['email'] = "Votre email n'est pas valide.";
    } else {
        $req = $db->prepare("SELECT id FROM users WHERE email = ?");
        $req->execute([$_POST['email']]);
        $user = $req->fetch();
        if ($user) {
            $errors['email'] = "Cette email est déjà utilisé.";
        }
    }

    if (empty($_POST['password']) || $_POST['password'] != $_POST['password_confirm']) {
        $errors['password'] = "Vous devez rentrer un mot de passe valide.";
    }

    if (empty($errors)) {
        $password = password_hash($_POST['password'], PASSWORD_BCRYPT);
        $req = $db->prepare("INSERT INTO users VALUE (NULL, ?, ?, ?, ?, NULL)");
        $token = str_random(60);
        $req->execute(array($_POST['username'], $_POST['email'], $password, $token));
        $user_id = $db->lastInsertId();
        mail($_POST['email'], 'Confirmation de votre compte', "Afin de valider votre compte, merci de cliquer sur le lien suivant : \n\nhttp://78.201.41.84:8080/LydanstaCorp/45/confirm.php?id=$user_id&token=$token");
        $_SESSION["flash"]["succes"] = "Un email pour confirmer votre compte vous a été envoyer por valider votre compte";
        header('Location: login.php');
        exit();
    }
?>
<?php require("inc/header.php"); ?>
    <div class="page-header">
        <div class="row">
            <div class="col-lg-12">
                <h1>S'inscrire</h1>
            </div>
        </div>
    </div>
    <div class="col-lg-12">
        <?php if (!empty($errors)): ?>
            <div class="col-lg-1"></div>
            <div class="col-lg-10 alert alert-warning">
            <p>Vous n'avez pas rempli le formulaire correctement</p>
            <ul>
                <?php foreach ($errors as $error): ?>
                    <li><?= $error; ?></li>
                <?php endforeach; ?>
            </ul>
            </div>
            <div class="col-lg-1"></div>
        <?php endif; ?>
        <form class="form-horizontal">
            <form method="POST" action="">
                <div class="form-group">
                    <div class="col-lg-12">
                        <input class="form-control" type="text" name="username" id="username"
                               placeholder="Identifiant"/>
                    </div>
                </div>
                <div class="form-group">
                    <div class="col-lg-12">
                        <input class="form-control" type="text" name="email" id="email" placeholder="Email"/>
                    </div>
                </div>
                <div class="form-group">
                    <div class="col-lg-12">
                        <input class="form-control" type="password" name="password" id="password"
                               placeholder="Mot de passe"/>
                    </div>
                </div>
                <div class="form-group">
                    <div class="col-lg-12">
                        <input class="form-control" type="password" name="password_confirm" id="password_confirm"
                               placeholder="Confirmer le mot de passe"/>
                    </div>
                </div>
                <ul class="actions">
                    <input class="btn btn-success submit" type="submit" name="nom" value="M'enregistrer">
                </ul>
            </form>
        </form>
    </div>
<?php require("inc/footer.php"); ?>