<?php  
$db_file = dirname(__DIR__)."/db_file.sqlite";

abstract class RegisterState
{
	// Sending an E-Mail failed in the first attempt. Will retry later
	const PendingEmailSend = 0;
	// User got a mail. We wait for it to verfiy
	const PendingEmailVerify = 1;
	// Sending a message to the register room failed on first attempt
	const PendingAdminSend = 5;
	// No admin has verified the registration yet
	const PendingAdminVerify = 6;
	// Registration failed on first attempt. Will retry
	const PendingRegistration = 7;

	// in this case we have to reset the password of the user (or should we store it for this case?)
	const PendingSendRegistrationMail = 8;

	// State to allow persisting in the database although an admin declined it.
	// Will be removed regularly
	const RegistrationAccepted = 7;
	const RegistrationDeclined = 13;

	// User got successfully registered. Will be cleaned up later
	const AllDone = 100;
}

// create database file when not existent yet
if (!file_exists($db_file)) {
	$db = new PDO('sqlite:' . $db_file);
	$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
	$db->exec("CREATE TABLE registrations(
		id INTEGER PRIMARY KEY AUTOINCREMENT,
		state INT DEFAULT 0,
		first_name TEXT,
		last_name TEXT,
		username TEXT,
		note TEXT,
		email TEXT,
		verify_token TEXT,
		admin_token TEXT,
		request_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP)");
}
else {
	// establish connection
	$db = new PDO('sqlite:' . $db_file);
	$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} 

// set writeable when not set already
if (!is_writable($db_file)) {
	chmod($db_file, 0777);
}
?>