<?php
require_once 'Image/Transform.php';

$out = $this->buildCommonNS();
$out['errors'] = array();

/**
 * Set up the elements and rules for the sign-up form.
 */
$form = new HTML_QuickForm('signup_form', 'POST', 'signup');

$form->addElement('text', 'full_name', 'Full Name');
$form->addElement('text', 'username', 'Username', array('maxlength'=>50));
$form->addElement('password', 'password', 'Password', array('maxlength'=>255));
$form->addElement('password', 'password_verify', 'Password (verify)', array('maxlength'=>255));
$form->addElement('text', 'email', 'Email');
$form->addElement('text', 'url', 'Home URL');
$form->addElement('text', 'location', 'Location');
$form->addElement('textarea', 'description', 'Bio / Description');
$form->addElement('file', 'profile_image', 'Profile Image');
$form->addElement('submit', 'signup', 'Sign up');

$form->addRule('username', 'Need a username', 'required');
$form->addRule('password', 'Password is blank', 'required');
$form->addRule('email', 'Email address needed', 'required');
$form->addRule('password_verify', 'Password verification', 'required');
$form->addRule(array('password', 'password_verify'), 'Passwords do not match', 'compare', 'eq');
$form->addRule('screen_name', 'Screen name is required', 'required');

/**
 * Attempt to validate the form data incoming.
 */
if ($form->validate()) {

    // Pull together all the fields needed for a new user record.
    $values = $form->getSubmitValues();
    $user_fields = array();
    foreach (array('email','full_name','location','description','profile_image_url','url') as $name) {
        $user_fields[$name] = $values[$name];
    }
    $user_fields['created'] = date("Y-m-d H:i:s");

    // Attempt to create a new user record, watch for errors.
    $rv = $this->auth->addUser($values['username'], $values['password'], $user_fields);
    if ($rv !== TRUE) {
        if ($rv instanceof PEAR_Error && strpos($rv->message, 'already exists') !== FALSE) {
            array_push($out['errors'], 'That username has already been taken.');
        }
    } else {

        $profile_image = $form->getElement('profile_image')->getValue();
        if ($profile_image && $profile_image['tmp_name']) {
            $this->updateAvatarImage($values['username'], $profile_image['tmp_name']);
        }

        // TODO: Require email verification (or openid?) before automatically approving/auth'ing account.
        $_POST[$this->auth->getPostUsernameField()] = $values['username'];
        $_POST[$this->auth->getPostPasswordField()] = $values['password'];
        $this->auth->logout();
        $this->auth->start();
        $form->freeze();
        header("Location: {$out['BASE_URL']}/people/".$values['username']."/settings");
    }

} else {

    $out['showform'] = TRUE;

}

// Extract the results of form validation in an array for the template.
$renderer = new HTML_QuickForm_Renderer_Array();
$form->accept($renderer);
$out['form'] = $renderer->toArray();

// Render the signup template.
echo $this->renderTemplate('signup', $out);
?>