<?php
/**
 * c_basic_page.class.php
 * Created by Komma Mediadesign.
 * Author: mike
 * Date: 9/27/13
 */
require_once DOCUMENT_ROOT . 'lib/form/form.class.php';

class Basic_Page extends Controller
{
    // Name used as database prefix, array key etc.
    private $_name;

    // Id of selected item
    private $_currentItem = null;

    /*
     * Constructor
     */
    public function __construct($name)
    {
        parent::__construct();

        // Set page name
        $this->_name = $name;

        // Selected ID if selected
        if(isset($_SESSION['current_item'])) $this->_currentItem = $_SESSION['current_item'];

        // Data session
        if( ! isset($_SESSION[$name][$this->_currentItem]['data']) && $this->_currentItem != null)
            $_SESSION[$name][$this->_currentItem]['data'] = array();
    }

    /*
     * Initialise Model
     */
    public function initModel()
    {
        $this->Model->set('_name',$this->_name);
        $this->Model->set('_currentItem',$this->_currentItem);
    }

    /*
     * Dashboard
     */
    public function index()
    {
        // Set Page Title
        $this->View->setData('page_title',$this->_name);

        // Render View
        $this->prepareItemList();
        $this->View->render('basic_page/v_items');

        // Javascript output
    }

    /*
     * Show item
     */
    public function item()
    {
        // Prepare item form in "edit" mode
        $this->prepareForm('edit');
    }


    /*
     * New item
     */
    public function newItem()
    {
        // Prepare item form in "add" mode
        $this->prepareForm('add');
    }

    /*
     * Get information for item list
     */
    private function prepareItemList()
    {
        // Item bar data
        $this->View->setData('bar_title', $this->lang[$this->_name]);
        $this->Model->get() ? $count = count($this->Model->get()) : $count = 0;
        $this->View->setData('bar_count', $count);

        // Get items
        $list = $this->Model->createItemList();
        $this->View->setData('item_list',$list);
    }

    /*
     * Prepare item form
     */
    private function prepareForm($mode)
    {
        // Pin URL
        Url_Pin::set();

        // Javascript
        $_SESSION['js_output'] .= '<script type="text/javascript" src="/lib/editor/trumbowyg.js"></script>';
        $_SESSION['js_output'] .= '<script type="text/javascript" src="/public/js/basic_page_item.js"></script>';

        // Only when in edit mode
        if($mode == 'edit')
        {
            // Prepare form; get item info from the database and fill session
            if( empty($_SESSION[$this->_name][$this->_currentItem]['data']))
                $this->Model->setItemData($this->_currentItem);
        }

        // Set Page Title
        $this->View->setData('page_title', $this->lang[$mode . '_item'] . ' | ' . $this->lang[$this->_name] . ' | ' . SITE_NAME);

        // Create Form object
        $Form = new Form($this->_name);

        // First check for tabs and header to the right tab
        $tabs = $Form->getTabs();
        if(count($tabs) > 1)
        {
            $tabOutput = $this->Model->createTabNav($tabs);
            $this->View->setData('tabs',$tabOutput);
        }

        // Define form action
        $action = LANG_ROOT . URL_PAGE . '/validate';
        if(defined('URL_SUB2')) $action .= '/' . URL_SUB2;
        $this->View->setData('form_action',$action);

        // Generate form
        $fields = $Form->generate();
        $this->View->setData('form_fields',$fields);
        $this->View->setData('form_save_link','/' . URL_LANG . '/' . URL_PAGE . '/xhrSaveValues');
        $this->View->setData('form_remove_link','/' . URL_LANG . '/' . URL_PAGE . '/removeItem');

        // Prepare save button
        $btnClass = '';
        isset($_SESSION['just_saved']) ? $btnValue = $this->lang['saved'] : $btnValue = $this->lang['save'];
        if(isset($_SESSION['just_saved'])) $btnClass = ' confirmation';
        unset($_SESSION['just_saved']);
        if(isset($_SESSION['unsaved_changes'])) $btnClass = ' action';
        $this->View->setData('btn_value',$btnValue);
        $this->View->setData('btn_class',$btnClass);

        // Specific for mode
        $this->View->setData('form_type',$mode);
        if($mode == 'edit') $this->View->setData('edit_id',$this->_currentItem);

        // Prepare item list
        $this->prepareItemList();

        // Render View
        $this->View->render(array('basic_page/v_items','basic_page/v_form'));
    }

    /*
     * Validate form
     */
    public function validate()
    {
        // Create Form object
        $Form = new Form($this->_name);

        // Save values of current tab in session
        $Form->saveValues();

        // Is the form valid
        if($Form->validate())
        {
            // Prepare values (all tabs, trough form)
            $data = $Form->prepare();

            // Store values (all tabs, trough model)
            $this->Model->set('_name',$this->_name);
            $itemId = $this->Model->store($data);

            // Set "Complete" to 1

            // Unset "unsaved changes"
            unset($_SESSION['unsaved_changes']);

            // Redirect to item
            Fn::redirect(LANG_ROOT . URL_PAGE . '/item-' . $itemId);
        }
        else
        {
            // Set "Complete" to 0
        }

        // Redirect to last pin
        Url_Pin::redirect();
    }

    /*
     * Tell the model to remove an item from the database
     */
    public function removeItem()
    {
        // Remove item
        $this->Model->removeItem();

        // Redirect item list
        Fn::redirect(LANG_ROOT . URL_PAGE);
    }


    /*
     * Save values in session
     * Called by ajax when for example switching tabs
     */
    public function xhrSaveValues()
    {
        // Create Form object
        $Form = new Form($this->_name);

        // Save values of current tab in session
        $Form->saveValues();
    }
}