<?php
   // This function tests whether the email address is valid
    function isValidEmail($email)
    {
        $pattern = "^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$";

        if (eregi($pattern, $email)
            return true;
        else
            return false;
    }
?>

<div id="content">
<div id="container">
    <?php
        if ($_POST[verify] != "true")
        {
    ?>

    <div id="content-top" style="font-size: 20; padding-left: 20px;">Create a Penguin!</div><br />

    <form action="" method="post" style="padding-left: 20px; padding-bottom: 30px;" name="register">
        <input type="text" value="Username.." name="username" onClick="this.value = ''" class="register"><br /><br />
        <input type="text" value="Password.." name="password" onClick="this.type = 'password'; this.value = ''";
            class="register"><br /><br />
        <input type="text" value="Confirm your password.." name="confirm" onClick="this.type = 'password'; this.value = ''";
            class="register"><br /><br />
        <input type="text" value="Email.." name="email" onClick="this.value = ''" class="register"><br /><br />
        <select name="flags" class="register">
                <select name="forceLanguage" class="register">
            <option value="enGB">English (UK)</option>
            <option value="enUS">English (US)</option>
                           <option value="enUS">English (Canada)</option>
                           <option value="enUS">English (Australia)</option>
        </select><br /><br />
        <input type="hidden" name="verify" value="true">
        <input type="submit" value="Create Account" class="submit-register">
    </form>

    <?php
        } else {

        $username = $_POST[username];
        $password = $_POST[password];
        $confirm = $_POST[confirm];
        $email = $_POST[email];
        $flags = $_POST[flags];
        $forceLanguage = $_POST[forceLanguage];
        $banned = 0;
        $muted = 0;
        mysql_select_db("character", $con);

        if ($username == null)                          // check if nothing was put into the username field
            echo "<div id='content-top' style='font-size: 20; padding-left: 20px;'>Username field was empty!</div><br />";
        elseif ($password == null)                      // check if nothing was put into the password field
            echo "<div id='content-top' style='font-size: 20; padding-left: 20px;'>Password field was empty!</div><br />";
        elseif ($confirm == null)                       // check if nothing was put into the confirm password field
            echo "<div id='content-top' style='font-size: 20; padding-left: 20px;'>Confirm your password field was empty!</div><br />";
        elseif ($email == null)                         // check if nothing was put into the email field
            echo "<div id='content-top' style='font-size: 20; padding-left: 20px;'>Email field was empty!</div><br />";

                // None of the inputs are blank, so we can now continue validating it
        $UsernameCheck = mysql_query("SELECT login FROM accounts WHERE login = '$username'");
        $EmailCheck = mysql_query("SELECT email FROM accounts WHERE email = '$email'");

        elseif (mysql_num_rows($UsernameCheck) == 1)    // check if username is already taken
            echo "<div id='content-top' style='font-size: 20; padding-left: 20px;'>That username is taken!</div><br />";
        elseif (!IsValidEmail($email))                  // check if the email is a valid email
            echo "<div id='content-top' style='font-size: 20; padding-left: 20px;'>The email you entered was invalid!</div><br />";
        elseif (mysql_num_rows($EmailCheck) == 1)       // check if the email is already taken
            echo "<div id='content-top' style='font-size: 20; padding-left: 20px;'>That email has already been used!</div><br />";
        else
        {
            // the form is valid, and we can now create the account
            mysql_query("INSERT INTO accounts ('login', 'password', 'banned', 'email', 'flags', 'forceLanguage', 'muted')
                VALUES ('$username', '$password', '$banned', '$email', '$flags', '$forceLanguage', 'muted')");
            echo "<div id='content-top' style='font-size: 20; padding-left: 20px;'>Your player for PenguinSafari has been created<br />You may
            now log in or if you haven't downloaded, download!!!</div><br />";
        }

        }
    ?>
</div>
</div>