<?php
/**
 * Content component: User_Profile
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @package WB
 * @subpackage user
 */

/**
 * Load classes
 */
WBClass::load('WBContent'
    , 'WBContent_User'
    );

/**
 * Content component: User_Profile
 *
 * Allow user to edit her own data like forename, surname, password, e-mail-address
 *
 * @version 1.2.0
 * @package WB
 * @subpackage user
 */
class WBContent_User_Profile extends WBContent_User
{
    /**
     * my parameter list
     * @var array
     */
    protected $config = array(
            'action'    =>  'display'
        );

    /**
     * buffered user data, cause this is going to change
     * @var array
     */
    private $userData   =   array();

    /**
     * relation table
     * @var WBDatasource_RelationTable
     */
    private $relTable;

    /**
     * run
     *
     * run component
     *
     * @return array parameter list
     */
    public function run()
    {
        $this->addPageURLs();

        // user required
        if (!$this->user->isAuthenticated()) {
            $this->loadTemplates('anon');
            $this->config['action'] =   'display';
            return $this->config;
        }

        $action =   strtolower($this->config['action']);

        $this->user->reload();
        $this->userData =   $this->user->getData();

        switch ($action) {

            case 'edit':
                if ($this->initRelationTable()) {
                    $this->relTable->inject($this->userData);
                }
                $this->processForm('edit', $this->userData);
                break;

            default:
                $this->loadTemplates('display');
                break;
        }

        return $this->config;
    }

    /**
     * receive output
     *
     * fetch output of this content component
     *
     * @return string
     */
    public function getString()
    {
        if ($this->user->isAuthenticated()) {
            $this->tmpl->addGlobalVars($this->userData);
        }
        return $this->tmpl->getParsedTemplate('snippet');
    }

    /**
     * save user profile
     *
     * @param patForms $form
     * @param array $values
     * @return bool always true
     */
    public function onEditValid($form, $values)
    {
        if (isset($values['password'])) {
            unset($values['password']);
        }

        if ($this->initRelationTable()) {
            $this->relTable->extract($values);
        }

        $this->userData =   array_merge($this->userData, $values);
        $this->tmpl->addGlobalVars($this->userData);
        $this->user->set($values);

        if ($this->initRelationTable()) {
            $this->relTable->delete($this->user->getId());
            $this->relTable->add($this->user->getId());
        }

        return true;
    }


    /**
     * Start relation table
     *
     * If relations are configured, start relation table object
     */
    protected function initRelationTable()
    {
        if ($this->relTable) {
            return true;
        }
        if (false === $this->relTable) {
            return false;
        }

        // load relation config
        /** @var WBConfig */
        $config = WBClass::create('WBConfig');
        $config->load($this->getFormConfigDir(). '/edit');
        $conf   =   $config->get('relation', array());
        if (empty($conf)) {
            $this->relTable =   false;
            return false;
        }

        $this->relTable =   WBClass::create('WBDatasource_RelationTable');
        $this->relTable->setConfig('user', $conf);
        return true;
    }

    /**
     * location of form config
     *
     * Return sub directory where form element definitions are located
     *
     * @return string folder
     */
    protected function getFormConfigDir()
    {
        return 'user/profile';
    }

    /**
     * Add form rules to just created form
     *
     * @param patForms $form object
     * @param string name of the xml- and template-filename
     * @param array $elements list of elements current form
     * @return bool true on success
     */
    protected function insertFormRules(&$form, $name, $elements)
    {
        return true;
    }
}