<?php
class PasswordManager{
    public $username = '';
    public $password = '';
    protected $encryptedPassword = '';

    function Form(){
        $output = "<h2>Password Manager</h2><form id='password-form' action='' method='POST' >
                        <p><label>Username<span class='required'>*</span> </label><input class='text-field' type='text' name='txtusername' /></p>
                        <p><label>Password<span class='required'>*</span> </label><input class='text-field' type='text' name='txtpassword' /></p>
                        <p><input type='submit' value='New user' class='submit-button' /></p>
                        <p><input type='submit' value='Validate Password' class='vp-button' /></p>
                    </form>
                    </body>
                    </html>";

        return $output;
    }

    protected function encrypt($password, $encryptedPassword) {
        $encryptedPassword = hash('md5', $password);
        return $encryptedPassword;
    }

    protected function verifyPassword($username, $password) {
    }

    function validatePassword($password) {
        $error = "";
        if (!preg_match('/\s/', $password)) {
            $error .= "<p class='error message'>The password must not contain any whitespace.</p>";
            echo $error;
        } elseif (strlen($password) <6) {
            $error .= "<p class='error message'>The password must be at least 6 characters long.</p>";
            echo $error;
        } elseif (!preg_match('/[0-9][\W]/', $password)) {
            $error .= "<p class='error message'>The password must have at least one digit and symbol.</p>";
            echo $error;
        } elseif (!preg_match('/[A-Z][a-z]/', $password)) {
            $error .= "<p class='error message'>The password must contain at least one uppercase and at least one lowercase letter.</p>";
            echo $error;
        }
        return true;
    }

    function setNewPassword($post_array) {
        $myfile = fopen("password.txt", "w");
        fwrite($myfile, $post_array["txtusername"]);
        fwrite($myfile, md5(post_array["txtpassword"]));
        fclose($myfile);
    }


}


?>