<?php

function debug($v)
{
    echo '<pre>'; print_r($v); echo '</pre>';
}

class Signup extends Controller {

    public function __construct() {
        parent::Controller();

        $this->load->helper(array('form','url'));
        $this->load->library('form_validation');
    }

    public function index() {
        $this->load->view('signup_form');
    }

    public function submit()
    {
        if ($this->_submit_validate() === FALSE)
        {
            $this->index();
            return;
        }

        $u = new User();
        $u->username = $this->input->post('username');
        $u->password = $this->input->post('password');
        $u->email = $this->input->post('email');
        $u->save();

        $this->load->view('submit_success');

    }

    private function _submit_validate() {

        // validation rules
        $this->form_validation->set_rules('username', 'Username',
            'required|alpha_numeric|min_length[6]|max_length[12]|unique[User.username]');

        $this->form_validation->set_rules('password', 'Password',
            'required|min_length[6]|max_length[12]');

        $this->form_validation->set_rules('passconf', 'Confirm Password',
            'required|matches[password]');

        $this->form_validation->set_rules('email', 'E-mail',
            'required|valid_email|unique[User.email]');

        return $this->form_validation->run();

    }

}