<?php
/**
*
* Application Form extension for the phpBB Forum Software package.
*
* @copyright (c) 2016 Rich McGirr (RMcGirr83)
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/

namespace rmcgirr83\applicationform\controller;

use phpbb\exception\http_exception;

/**
* Main controller
*/
class main_controller
{
    /** @var \phpbb\config\config */
    protected $config;

    /** @var \phpbb\db\driver\driver */
    protected $db;

    /** @var \phpbb\controller\helper */
    protected $helper;

    /* @var \phpbb\request\request */
    protected $request;

    /** @var \phpbb\template\template */
    protected $template;

    /** @var \phpbb\user */
    protected $user;

    /** @var string phpBB root path */
    protected $root_path;

    /** @var string phpEx */
    protected $php_ext;

    /**
    * Constructor
    *
    * @param \phpbb\config\config               $config         Config object
    * @param \phpbb\db\driver\driver            $db             Database object
    * @param \phpbb\controller\helper           $helper         Controller helper object
    * @param \phpbb\request\request             $request        Request object
    * @param \phpbb\template\template           $template       Template object
    * @param \phpbb\user                        $user           User object
    * @param string                             $root_path      phpBB root path
    * @param string                             $php_ext        phpEx
    * @access public
    */
    public function __construct(
            \phpbb\config\config $config,
            \phpbb\db\driver\driver_interface $db,
            \phpbb\controller\helper $helper,
            \phpbb\request\request $request,
            \phpbb\template\template $template,
            \phpbb\user $user,
            $root_path,
            $php_ext)
    {
        $this->config = $config;
        $this->db = $db;
        $this->helper = $helper;
        $this->request = $request;
        $this->template = $template;
        $this->user = $user;
        $this->root_path = $root_path;
        $this->php_ext = $php_ext;

        include_once($this->root_path . 'includes/functions_posting.' . $this->php_ext);
    }

    /**
     * Display the form
     *
     * @access public
     */
    public function displayform()
    {
        $this->user->add_lang_ext('rmcgirr83/applicationform', 'application');
        // user can't be a guest and can't be a bot
        if ($this->user->data['is_bot'] || $this->user->data['user_id'] == ANONYMOUS)
        {
            throw new http_exception(401, 'LOGIN_APPLICATION_FORM');
        }
        add_form_key('appform');

        if ($this->request->is_set_post('submit'))
        {
            // Test if form key is valid
            if (!check_form_key('appform'))
            {
                trigger_error($this->user->lang['FORM_INVALID'], E_USER_WARNING);
            }
            if (utf8_clean_string($this->request->variable('name', '')) === '' || utf8_clean_string($this->request->variable('why', '')) === '')
            {
                trigger_error($this->user->lang['APP_NOT_COMPLETELY_FILLED'], E_USER_WARNING);
            }

            $sql = 'SELECT forum_name
                FROM ' . FORUMS_TABLE . '
                WHERE forum_id = ' . (int) $this->config['appform_forum_id'];
            $result = $this->db->sql_query($sql);
            $forum_name = $this->db->sql_fetchfield('forum_name');
            $this->db->sql_freeresult($result);

            // Setting the variables we need to submit the post to the forum where all the applications come in
            $subject    = sprintf($this->user->lang['APPLICATION_SUBJECT'], $this->user->data['username']);
            $apply_post = sprintf(
                $this->user->lang['APPLICATION_MESSAGE'],
                get_username_string('full', $this->user->data['user_id'], $this->user->data['username'], $this->user->data['user_colour']),
                utf8_normalize_nfc($this->request->variable('name', '', true)),
                $this->user->data['user_email'],
                $this->request->variable('postion', '', true),
                // Add more here, for example
                //$this->request->variable('MYVARIABLE', '', true),
                utf8_normalize_nfc($this->request->variable('why', '', true))
            );

            // variables to hold the parameters for submit_post
            $uid = $bitfield = $options = '';

            generate_text_for_storage($apply_post, $uid, $bitfield, $options, true, true, true);

            $data = array(
                'forum_id'      => $this->config['appform_forum_id'],
                'icon_id'       => false,
                'poster_id'     => $this->user->data['user_id'],
                'enable_bbcode'     => true,
                'enable_smilies'    => true,
                'enable_urls'       => true,
                'enable_sig'        => true,

                'message'           => $apply_post,
                'message_md5'       => md5($apply_post),

                'bbcode_bitfield'   => $bitfield,
                'bbcode_uid'        => $uid,
                'poster_ip'         => $this->user->ip,

                'post_edit_locked'  => 0,
                'topic_title'       => $subject,
                'notify_set'        => false,
                'notify'            => false,
                'post_time'         => time(),
                'forum_name'        => $forum_name,
                'enable_indexing'   => true,
                'force_approved_state'  => true,
                'force_visibility' => true,
            );
            $poll = array();

            // Submit the post!
            submit_post('post', $subject, $this->user->data['username'], POST_NORMAL, $poll, $data);

            $message = $this->user->lang['APPLICATION_SEND'];
            $message = $message . '<br /><br />' . sprintf($this->user->lang['RETURN_INDEX'], '<a href="' . append_sid("{$this->root_path}index.$this->php_ext") . '">', '</a>');
            trigger_error($message);
        }
        $this->template->assign_vars(array(
            'APPLICATION_POSITIONS' => $this->display_positions(explode("\n", $this->config['appform_positions'])),
        ));

        // Send all data to the template file
        return $this->helper->render('appform_body.html', $this->user->lang('APPLICATION_PAGETITLE'));
    }

    private function display_positions($input_ary)
    {
        // only accept arrays, no empty ones
        if (!is_array($input_ary) || !sizeof($input_ary))
        {
            return;
        }
        $select = '';
        foreach ($input_ary as $item)
        {
            $select .= '<option value="' . $item . '">' . $item . '</option>';
        }
        return $select;
    }
}