<?php
/**
 * Content component: VCard
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package WB
 * @subpackage content
 */

/**
 * Load base class
 */
WBClass::load( 'WBContent' );

/**
 * Content component: VCard
 *
 * @version 0.1.2
 * @package WB
 * @subpackage content
 */
class WBContent_VCard extends WBContent
{
   /**
    * my parameter list
    * @var array
    */
    protected $config = array(
            'format'        =>  'html',
            'datasource'    =>  '',
            'person'        =>  '__all'
        );

    /**
     * DS View
     * @var WBDatasource_View
     */
    private $ds;

    /**
     * DS Renderer
     * @var WBDatasource_Renderer_Array
     */
    private $randy;

   /**
    * run
    *
    * run component
    *
    * @return array parameter list
    */
    public function run()
    {
        if (strstr($this->config['person'], '.')) {
            $tmp    =   explode('.', $this->config['person']);
            $ext    =   array_pop($tmp);

            switch (strtolower($ext)) {
                case 'vcard':
                case 'vcf':
                    $this->config['format'] =   'vcf';
                    break;

                case 'html':
                    $this->config['format'] =   'html';
                    break;

                default:
                    array_push($tmp, $ext);
                    $this->config['format'] =   'html';
                    break;
            }

            $this->config['person'] =   implode('.', $tmp);
        }

        $this->randy    =   WBClass::create('WBDatasource_Renderer_Array');

        $this->ds       =   WBClass::create('WBDatasource_View');
        $this->ds->setRenderer($this->randy);
        $this->ds->render($this->config['datasource']);

        $list   =   $this->randy->getList();

        if ('__all' == $this->config['person']) {
            $this->showList($list);
        } else {
            $this->showPerson($list);
        }

        if ('vcf' == $this->config['format']) {
            $this->download();
        }

        return $this->config;
    }

    /**
     * Simply display list
     *
     * @param array list
     */
    private function showList($list)
    {
        $tmpl   =   $this->config['format'] . 'list';
        $this->loadTemplates($tmpl);
        $this->tmpl->addGlobalVars($this->config, 'CONFIG_');
        $this->tmpl->addRows('list_entry', $list);
    }

    /**
     * Try to find person
     *
     * @param array $list
     */
    private function showPerson($list)
    {
        $p  =   strtolower($this->config['person']);

        $v  =   array();
        foreach ($list as $l) {
            if (strtolower($l['surname']) == $p) {
                $v  =   $l;
                break;
            }
            if (strtolower($l['surname'] . ',' . $l['forename']) == $p) {
                $v  =   $l;
                break;
            }
            if (strtolower($l['emaillocal']) == $p) {
                $v  =   $l;
                break;
            }
        }

        if (empty($v)) {
            $this->showList($list);
        }
        $tmpl   =   $this->config['format'];
        $this->loadTemplates($tmpl);
        $this->tmpl->addGlobalVars($this->config, 'CONFIG_');
        $this->tmpl->addGlobalVars($v);
    }

    /**
     * Download VCard
     *
     * CAUTION: This method usually does not return!
     * If file exists, it will send file to browser and exit programme!
     */
    protected function download()
    {
        $res  =   WBClass::create('WBResponse');
        /** @var $res WBResponse */

        // switch off compression - otherwise complete download files are loaded to RAM
        WBParam::set('wb/response/compress', 0);

        $res->addHeader('Content-Type', 'text/vcard; charset=utf-8');

        $res->add($this->tmpl->getParsedTemplate('snippet'));
        $res->send($this->req);
        exit(0);
    }

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