<?php
/**
 * Created by PhpStorm.
 * User: joe.broderick
 * Date: 6/12/2015
 * Time: 5:19 PM
 */

class CustomHMenu extends DataObject implements PermissionProvider{

    private static $db = array(
        'Name' => 'Varchar',
        'Slug' => 'Text'
    );

    public static $has_many = array(
        'HMenuItems' => 'CustomHMenuItem'
    );

    public function getCMSFields(){
        $fields = FieldList::create(TabSet::create('Root'));
        $fields->addFieldsToTab('Root.Main',[
            TextField::create('Name', 'Menu Name')
        ]);

        $fields = parent::getCMSFields();

        //Requirements::javascript('http://code.jquery.com/jquery-2.1.4.min.js');
        //Requirements::javascript('http://code.jquery.com/ui/1.11.4/jquery-ui.min.js');
        //Requirements::css('http://code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css');
        Requirements::javascript('mysite/js/CustomHMenu.js');
        Requirements::css('mysite/css/CustomHMenu.css');

        //$fields->removeByName('Pages');
        //$fields->removeByName('CustomHMenus');
        $fields->removeByName('HMenuItems');

        if(!$this->ID) {
            $fields->addFieldToTab('Root.Main', new TextField('Name','Menu Name'));
            $fields->addFieldToTab('Root.Main', new TextField('Slug', 'Slug (for internal referencing)'));
        } else {
            //$fields->addFieldToTab('Root.Main', new HeaderField('MenuSettings',_t('CustomMenus.FormSettingsHeader','Menu Settings')));
            $fields->addFieldToTab('Root.Main', new HeaderField('MenuSettings','Menu Settings'));
            $fields->addFieldToTab('Root.Main', new TextField('Name','Menu Name'));
            $fields->addFieldToTab('Root.Main', new TextField('Slug', 'Slug (for internal referencing)'));

            $fields->addFieldToTab('Root.Items', new CustomHMenuField('HMenuItems', 'Manage Items'));

            //$fields->addFieldToTab('Root.Main', new HeaderField('MenuPages',_t('CustomMenus.FormPagesHeader','Pages in this Menu')));
            //$fields->addFieldToTab('Root.Main', new TreeMultiselectField('HMenuItems',_t('CustomMenus.FormPagesPages','Select pages'), 'SiteTree'));

            /*$fields->addFieldToTab('Root.Main', new HeaderField('MenuMenus','Sub Menus'));
            $fields->addFieldToTab('Root.Main', new TreeMultiselectField('CustomHMenus','Select Sub Menus', 'CustomHMenu'));*/
            //$fields->addFieldToTab('Root.Main', new CheckboxSetField('CustomHMenus', 'Select Sub Menus', 'CustomHMenu'));

            //$fields->addFieldToTab('Root.Main', new GridField( 'Pages', "Drag to Sort", $this->Pages, $config = GridFieldConfig_RelationEditor::create()->addComponent(new GridFieldOrderableRows())));
        }

        $this->extend('updateCMSFields', $fields);

        return $fields;
    }

    public static function getSitePages(){
        $pages = [];
        $depth = 0;
        foreach( SiteTree::get() as $page ){
            $pages[$page->ID] = [
                'title' => $page->getTitle(),
                'depth' => self::getDepth($page)
            ];
        }
        return $pages;
    }

    private static function getDepth($element){
        if(is_object($element) && method_exists($element, 'getParent') && $element->getParent()){
            return self::getDepth($element->getParent()) +1;
        }
        return 0; // stopping case
    }

    /*public function onChangeHMenuItems(&$items){
        if($items){
            foreach($items as $k => $pageId){
                $mi = CustomHMenuItem::create();

                $mi->PageID = $pageId;
                $mi->CustomHMenuID = $this->original['ID'];
                $mi->h_id = 0;
                $mi->sort = 0;
                $mi->p_id = 0;
                if($miId = $mi->write()){
                    $items[$k] = $miId;
                }
            }
        }
        return true;
    }*/

    public function onBeforeWrite() {
        parent::onBeforeWrite();

        // Ensure the slug is URL safe
        $this->Slug = ($this->Slug) ? Convert::raw2url($this->Slug) : Convert::raw2url($this->Title);
    }

    /**   Permissions
     * -----------------------------------------------------------------------
     */
    public function providePermissions() {
        return array(
            'MENU_VIEWALL' => array(
                'name' => 'View all menus',
                'help' => 'Allow viewing of all menus in the "Menus" section',
                'category' => 'Menus',
                'sort' => 100
            ),
            'MENU_CREATE' => array(
                'name' => 'Create menus',
                'help' => 'Allow creation of menus in the "Menus" section',
                'category' => 'Menus',
                'sort' => 110
            ),
            'MENU_DELETE' => array(
                'name' => 'Delete menus',
                'help' => 'Allow deleting of menus in the "Menus" section',
                'category' => 'Menus',
                'sort' => 120
            ),
            'MENU_EDIT' => array(
                'name' => 'Edit menus',
                'help' => 'Allow editing of menus in the "Menu" section',
                'category' => 'Menus',
                'sort' => 130
            ),
        );
    }


    public function canView($member = null) {
        if(Permission::check('ADMIN') || Permission::check('MENU_VIEWALL'))
            return true;
        else
            return false;
    }

    public function canCreate($member = null) {
        if(Permission::check('ADMIN') || Permission::check('MENU_CREATE'))
            return true;
        else
            return false;
    }

    public function canDelete($member = null) {
        if(Permission::check('ADMIN') || Permission::check('MENU_DELETE'))
            return true;
        else
            return false;
    }

    public function canEdit($member = null) {
        if(Permission::check('ADMIN') || Permission::check('MENU_EDIT'))
            return true;
        else
            return false;
    }
}

class CustomHMenu_Controller extends Page_Controller {

    private static $allowed_actions = array(
        'edit'
    );

    public function edit(){
        die('it works!');
    }
}