<?php
	/**************************************************************************\
	* eGroupWare - iCalendar Parser                                            *
	* http://www.egroupware.org                                                *
	* Written by Lars Kneschke <lkneschke@egroupware.org>                      *
	* --------------------------------------------                             *
	*  This program is free software; you can redistribute it and/or modify it *
	*  under the terms of the GNU General Public License as published by the   *
	*  Free Software Foundation; either version 2 of the License.              *
	\**************************************************************************/

	/* $Id$ */

	require_once EGW_SERVER_ROOT.'/addressbook/inc/class.boaddressbook.inc.php';
	require_once EGW_SERVER_ROOT.'/phpgwapi/inc/horde/Horde/iCalendar.php';

	class vcaladdressbook extends boaddressbook
	{
		#function vcaladdressbook()
		#{
		#	$this->boaddressbook();
		#}

		/**
		* @return int contact id
		* @param string	$_vcard		the vcard
		* @param int	$_abID		the internal addressbook id
		* @param int	$_vcardProfile	profile id for mapping from vcard values to egw addressbook
		* @desc import a vard into addressbook
		*/
		function addVCard($_vcard, $_abID, $_vcardProfile)
		{
			$vcardFields[0] = array(
				'ADR;WORK'	=> array('','','adr_one_street','adr_one_locality','adr_one_region',
								'adr_one_postalcode','adr_one_countryname'),
				'ADR;HOME'	=> array('','','adr_two_street','adr_two_locality','adr_two_region',
								'adr_two_postalcode','adr_two_countryname'),
				'BDAY'		=> array('bday'),
				'CATEGORIES'	=> array('cat_id'),
				'EMAIL;INTERNET;WORK'		=> array('email'),
				'EMAIL;INTERNET;HOME'		=> array('email_home'),
				'N'		=> array('n_family','n_given','n_middle','n_prefix','n_suffix'),
				'NOTE'		=> array('note'),
				'ORG'		=> array('org_name','org_uint'),
				'TEL;CELL;WORK'	=> array('tel_cell'),
				'TEL;FAX;WORK'	=> array('tel_fax'),
				'TEL;HOME'	=> array('tel_home'),
				'TEL;PAGER;WORK'	=> array('tel_pager'),
				'TEL;WORK'	=> array('tel_work'),
				'TITLE'		=> array('title'),
				'URL;WORK'	=> array('url'),
			);

			require_once(EGW_SERVER_ROOT.'/phpgwapi/inc/horde/Horde/iCalendar.php');

			$vCard = Horde_iCalendar::newComponent('vcard', $container);

			if(!$vCard->parsevCalendar($_vcard,'VCARD'))
			{
				return False;
			}
			$vcardValues = $vCard->getAllAttributes();

			#print "<pre>$_vcard</pre>";

			#_debug_array($vcardValues);

			foreach($vcardValues as $key => $vcardRow)
			{
				$rowName  = $vcardRow['name'];
				$mailtype = ';INTERNET';
				$tempVal  = ';WORK';

				if(isset($vcardRow['params']['INTERNET']))
				{
					$rowName .= ";INTERNET";
				}
				if(isset($vcardRow['params']['CELL']))
				{
					$rowName .= ';CELL';
				}
				if(isset($vcardRow['params']['FAX']))
				{
					$rowName .= ';FAX';
				}
				if(isset($vcardRow['params']['PAGER']))
				{
					$rowName .= ';PAGER';
				}
				if(isset($vcardRow['params']['WORK']))
				{
					$rowName .= ';WORK';
				}
				if(isset($vcardRow['params']['HOME']))
				{
					$rowName .= ';HOME';
				}

				$rowNames[$rowName] = $key;
			}

			#_debug_array($rowNames);

			// now we have all rowNames the vcard provides
			// we just need to map to the right addressbook fieldnames
			// we need also to take care about ADR for example. we do not
			// support this. We support only ADR;WORK or ADR;HOME

			foreach($rowNames as $rowName => $vcardKey)
			{
				switch($rowName)
				{
					case 'ADR':
					case 'TEL':
					case 'TEL;FAX':
					case 'TEL;CELL':
					case 'TEL;PAGER':
						if(!isset($rowNames[$rowName.';WORK']))
						{
							$finalRowNames[$rowName.';WORK'] = $vcardKey;
						}
						break;
					case 'EMAIL':
					case 'EMAIL;WORK':
						if(!isset($rowNames['EMAIL;INTERNET;WORK']))
						{
							$finalRowNames['EMAIL;INTERNET;WORK'] = $vcardKey;
						}
						break;
					case 'EMAIL;HOME':
						if(!isset($rowNames['EMAIL;INTERNET;HOME']))
						{
							$finalRowNames['EMAIL;INTERNET;HOME'] = $vcardKey;
						}
						break;
					case 'VERSION':
						break;
					default:
						$finalRowNames[$rowName] = $vcardKey;
						break;
				}
			}

			#_debug_array($finalRowNames);

			foreach($finalRowNames as $key => $vcardKey)
			{
				if(isset($vcardFields[$_vcardProfile][$key]))
				{
					$fieldNames = $vcardFields[$_vcardProfile][$key];
					foreach($fieldNames as $fieldKey => $fieldName)
					{
						if(!empty($fieldName))
						{
							$contact[$fieldName] = $vcardValues[$vcardKey]['values'][$fieldKey];
						}
					}
				}
			}

			#_debug_array($contact);

			#return true;

			/* _debug_array($contact);exit; */
			$contact['fn']  = trim($contact['n_given'].' '.$contact['n_family']);
			if(!$contact['tel_work'])
			{
				$contact['tel_work'] = '';
			}
			if(!$contact['tel_home'])
			{
				$contact['tel_home'] = '';
			}
			if(!$contact['tel_voice'])
			{
				$contact['tel_voice'] = '';
			}
			if(!$contact['tel_fax'])
			{
				$contact['tel_fax'] = '';
			}
			if(!$contact['tel_msg'])
			{
				$contact['tel_msg'] = '';
			}
			if(!$contact['tel_cell'])
			{
				$contact['tel_cell'] = '';
			}
			if(!$contact['tel_pager'])
			{
				$contact['tel_pager'] = '';
			}
			if(!$contact['tel_car'])
			{
				$contact['tel_car'] = '';
			}
			if(!$contact['tel_isdn'])
			{
				$contact['tel_isdn'] = '';
			}
			if(!$contact['tel_video'])
			{
				$contact['tel_video'] = '';
			}

			$GLOBALS['egw']->translation->convert($contact,'utf-8');

			if($_abID > 0)
			{
				// update entry
				$contact['ab_id'] = $_abID;
				return $this->update_entry($contact);
			}
			else
			{
				// add entry
				return $this->add_entry($contact);
			}
		}

		/**
		* return a vcard
		*
		* @param int	$_id		the id of the contact
		* @param int	$_vcardProfile	profile id for mapping from vcard values to egw addressbook
		* @return string containing the vcard
		*/
		function getVCard($_id, $_vcardProfile)
		{
			require_once(EGW_SERVER_ROOT.'/phpgwapi/inc/horde/Horde/iCalendar/vcard.php');

			$vCard =& new Horde_iCalendar_vcard;

			#if($this->xmlrpc && !isset($data['fields']))
			#{
			#	$data['fields'] = array_keys(array_merge($this->so->contacts->non_contact_fields,$this->so->contacts->stock_contact_fields,$this->customfields()));
			#}
			#if($data['id'] < 0)
			#{
			#	$entry = array($this->user_pseudo_entry(-$data['id']));
			#	if($this->xmlrpc)
			#	{
			#		$entry = $this->data2xmlrpc($entry);
			#	}
			#	return $entry;
			#}

			$vcardFields[0] = array(
				'ADR;WORK'	=> array('','','adr_one_street','adr_one_locality','adr_one_region',
								'adr_one_postalcode','adr_one_countryname'),
				'ADR;HOME'	=> array('','','adr_two_street','adr_two_locality','adr_two_region',
								'adr_two_postalcode','adr_two_countryname'),
				'BDAY'		=> array('bday'),
				'CATEGORIES'	=> array('cat_id'),
				'EMAIL;INTERNET;WORK'		=> array('email'),
				'EMAIL;INTERNET;HOME'		=> array('email_home'),
				'N'		=> array('n_family','n_given','n_middle','n_prefix','n_suffix'),
				'NOTE'		=> array('note'),
				'ORG'		=> array('org_name','org_uint'),
				'TEL;CELL;WORK'	=> array('tel_cell'),
				'TEL;FAX;WORK'	=> array('tel_fax'),
				'TEL;HOME'	=> array('tel_home'),
				'TEL;PAGER;WORK'	=> array('tel_pager'),
				'TEL;WORK'	=> array('tel_work'),
				'TITLE'		=> array('title'),
				'URL;WORK'	=> array('url'),
			);

			$vcardFields[1] = array(
				'ADR' 		=> array('','','adr_one_street','adr_one_locality','adr_one_region',
								'adr_one_postalcode','adr_one_countryname'),
				'CATEGORIES' 	=> array('cat_id'),
				'EMAIL'		=> array('email'),
				'N'		=> array('n_family','n_given','','',''),
				'NOTE'		=> array('note'),
				'ORG'		=> array('org_name',''),
				'TEL;CELL'	=> array('tel_cell'),
				'TEL;FAX'	=> array('tel_fax'),
				'TEL;HOME'	=> array('tel_home'),
				'TEL;WORK'	=> array('tel_work'),
				'TITLE'		=> array('title'),
			);

			$vcardFields[2] = array(
				'N'		=> array('n_family','n_given','n_middle','n_prefix','n_suffix'),
				'TEL;CELL'	=> array('tel_cell'),
#				'TEL;FAX'	=> array('tel_fax'),
#				'TEL;HOME'	=> array('tel_home'),
#				'TITLE'		=> array('title'),
#				'ORG'		=> array('org_name',''),
#				'NOTE'		=> array('note'),
#				'TEL;PAGER;WORK'	=> array('tel_pager'),
#				'TEL;WORK'	=> array('tel_work'),
#				'ADR;WORK'	=> array('','','adr_one_street','adr_one_locality','adr_one_region',
#								'adr_one_postalcode','adr_one_countryname'),
#				'ADR;HOME'	=> array('','','adr_two_street','adr_two_locality','adr_two_region',
#								'adr_two_postalcode','adr_two_countryname'),
			);

#			$_vcardProfile = 2;
			foreach($vcardFields[$_vcardProfile] as $databaseFields)
			{
				foreach($databaseFields as $databaseField)
				{
					if(!empty($databaseField))
					{
						$fields[] = $databaseField;
					}
				}
			}

			#_debug_array($fields);

			if($this->check_perms($_id,EGW_ACL_READ))
			{
				//$data = array('id' => $_id, 'fields' => $fields);
				$entry = $this->so->read_entry($_id,$fields);
				$entry = $this->strip_html($entry);
				if($this->xmlrpc)
				{
					$entry = $this->data2xmlrpc($entry);
				}
				#_debug_array($entry);
				$sysCharSet	= $GLOBALS['egw']->translation->charset();

				foreach($vcardFields[$_vcardProfile] as $vcardField => $databaseFields)
				{
					$options = array();
					$value = '';
					foreach($databaseFields as $databaseField)
					{
						$tempVal = ';';
						if(!empty($databaseField))
						{
							#$tempVal = trim('value').';';
							$tempVal = trim($entry[0][$databaseField]).';';
						}
						$value .= $tempVal;
					}
					// remove the last ;
					$value = substr($value, 0, -1);

					switch($vcardField)
					{
						// TODO handle multiple categories
						case 'CATEGORIES':
							$catData = ExecMethod('phpgwapi.categories.return_single',$value);
							$value = $catData[0]['name'];
							break;
						case 'BDAY':
							if(!empty($value))
							{
								$dateParts = explode('/',$value);
								$value = sprintf('%04d%02d%02dT000000Z',$dateParts[2],$dateParts[0],$dateParts[1]);
							}
							break;
					}

					$value = $GLOBALS['egw']->translation->convert($value,$sysCharSet,'utf-8');

					// don't add the entry if it contains only ';'
					if(strlen(str_replace(';','',$value)) != 0)
					{
						$vCard->setAttribute($vcardField, $value);
					}
					if(preg_match('/([\000-\012\015\016\020-\037\075])/',$value))
					{
						$options['ENCODING'] = 'QUOTED-PRINTABLE';
					}
					if(preg_match('/([\177-\377])/',$value))
					{
						$options['CHARSET'] = 'UTF-8';
					}
					$vCard->setParameter($vcardField, $options);
				}

#				$options = array('CHARSET' => 'UTF-8', 'ENCODING' => 'QUOTED-PRINTABLE');
#				$vCard->setParameter('SUMMARY', $options);
#				$vCard->setParameter('DESCRIPTION', $options);
#				$vCard->setParameter('LOCATION', $options);
#				$vCard->setParameter('ADR', $options);
#				$vCard->setParameter('ADR;HOME', $options);
#				$vCard->setParameter('ADR;WORK', $options);
#				$vCard->setParameter('NOTE', $options);
#				$vCard->setParameter('N', $options);
#				$vCard->setParameter('ORG', $options);

				$result = $vCard->exportvCalendar();

				return $result;
			}

			if($this->xmlrpc)
			{
				$GLOBALS['server']->xmlrpc_error($GLOBALS['xmlrpcerr']['no_access'],$GLOBALS['xmlrpcstr']['no_access']);
			}
			return False;
		}
	}