<?php
/**
 * EGroupware Addressbook - admin, preferences and sidebox-menus and other hooks
 *
 * @link http://www.egroupware.org
 * @package addressbook
 * @author Ralf Becker <RalfBecker@outdoor-training.de>
 * @copyright (c) 2006-16 by Ralf Becker <RalfBecker@outdoor-training.de>
 * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
 * @version $Id$
 */

use EGroupware\Api;
use EGroupware\Api\Link;
use EGroupware\Api\Framework;
use EGroupware\Api\Egw;
use EGroupware\Api\Acl;

/**
 * Class containing admin, preferences and sidebox-menus and other hooks
 */
class addressbook_hooks
{
	/**
	 * hooks to build projectmanager's sidebox-menu plus the admin and preferences sections
	 *
	 * @param string/array $args hook args
	 */
	static function all_hooks($args)
	{
		$appname = 'addressbook';
		$location = is_array($args) ? $args['location'] : $args;
		//echo "<p>contacts_admin_prefs::all_hooks(".print_r($args,True).") appname='$appname', location='$location'</p>\n";

		if ($location == 'sidebox_menu')
		{
			if ($_GET['menuaction'] == 'addressbook.addressbook_ui.view')
			{
				display_sidebox($appname, lang('Contact data'), array(
					array(
						'text'    => '<div id="addressbook_view_sidebox"/>',
						'no_lang' => true,
						'link'    => false,
						'icon'    => false,
					),
					'menuOpened'  => true,	// display it open by default
				));
			}
			// Magic etemplate2 favorites menu (from nextmatch widget)
			display_sidebox($appname, lang('Favorites'), Framework\Favorites::list_favorites('addressbook'));

			$file = array(
				'Addressbook list' => Egw::link('/index.php',array(
					'menuaction' => 'addressbook.addressbook_ui.index',
					'ajax' => 'true')),
				array(
					'text' => lang('Add %1',lang(Link::get_registry($appname, 'entry'))),
					'no_lang' => true,
					'link' => "javascript:egw.open('','$appname','add')"
				),
				'Advanced search' => "javascript:egw_openWindowCentered2('".
					Egw::link('/index.php',array('menuaction' => 'addressbook.addressbook_ui.search'),false).
					"','_blank',870,480,'yes')",
				'Placeholders'    => Egw::link('/index.php','menuaction=api.EGroupware\\Api\\Contacts\\Merge.show_replacements')
			);
			display_sidebox($appname,lang('Addressbook menu'),$file);
		}

		if ($GLOBALS['egw_info']['user']['apps']['admin'] && $location != 'preferences')
		{
			$file = Array(
				'Site configuration' => Egw::link('/index.php',array(
					'menuaction' => 'admin.uiconfig.index',
					'appname'    => $appname,
				)),
				'Global Categories'  => Egw::link('/index.php',array(
					'menuaction' => 'admin.admin_categories.index',
					'appname'    => $appname,
					'global_cats'=> True,
				)),
			);
			// custom fields are not availible in LDAP
			if ($GLOBALS['egw_info']['server']['contact_repository'] != 'ldap')
			{
				$file['Custom fields'] = Egw::link('/index.php',array(
					'menuaction' => 'admin.customfields.index',
					'appname'    => $appname,
					'use_private'=> 1,
					'ajax'       => 'true'
				));
			}
			if ($location == 'admin')
			{
				display_section($appname,$file);
			}
			else
			{
				display_sidebox($appname,lang('Admin'),$file);
			}
		}
	}

	/**
	 * populates $settings for the Api\Preferences
	 *
	 * @param array|string $hook_data
	 * @return array
	 */
	static function settings($hook_data)
	{
		$settings = array(
			array(
				'type'  => 'section',
				'title' => lang('General settings'),
				'no_lang'=> true,
				'xmlrpc' => False,
				'admin'  => False
			),
		);
		$settings['add_default'] = array(
			'type'   => 'select',
			'label'  => 'Default addressbook for adding contacts',
			'name'   => 'add_default',
			'help'   => 'Which addressbook should be selected when adding a contact AND you have no add rights to the current addressbook.',
			'values' => !$hook_data['setup'] ? ExecMethod('addressbook.addressbook_ui.get_addressbooks',Acl::ADD) : array(),
			'xmlrpc' => True,
			'admin'  => False,
		);
		if ($GLOBALS['egw_info']['server']['contact_repository'] != 'ldap')
		{
			$settings['private_addressbook'] = array(
				'type'   => 'check',
				'label'  => 'Enable an extra private addressbook',
				'name'   => 'private_addressbook',
				'help'   => 'Do you want a private addressbook, which can not be viewed by users, you grant access to your personal addressbook?',
				'xmlrpc' => True,
				'admin'  => False,
				'forced' => false,
			);
		}
		$settings['hide_accounts'] = array(
			'type'   => 'check',
			'label'  => 'Hide accounts from addressbook',
			'name'   => 'hide_accounts',
			'help'   => 'Hides accounts completly from the adressbook.',
			'xmlrpc' => True,
			'admin'  => false,
		);
		$fileas_options = ExecMethod('api.EGroupware\\Api\\Contacts.fileas_options');
		$settings['link_title'] = array(
			'type'   => 'select',
			'label'  => 'Link title for contacts show',
			'name'   => 'link_title',
			'values' => array(
				'n_fileas' => lang('own sorting').' ('.lang('default').': '.lang('Company').': '.lang('lastname').', '.lang('firstname').')',
			)+$fileas_options,	// plus all fileas types
			'help'   => 'What should links to the addressbook display in other applications. Empty values will be left out. You need to log in anew, if you change this setting!',
			'xmlrpc' => True,
			'admin'  => false,
			'default'=> 'org_name: n_family, n_given',
		);
    	$settings['link_title_cf'] = array(
			'type'  => 'select',
			'label' => 'Add a customfield to link title',
			'name'  => 'link_title_cf',
			'values' => Api\Contacts::cf_options(),
			'help'  =>  'Add customfield to links of addressbook, which displays in other applications. The default value is none customfield.',
			'xmlrpc' => True,
			'admin'  => false,
		);
		$settings['addr_format'] = array(
			'type'   => 'select',
			'label'  => 'Default address format',
			'name'   => 'addr_format',
			'values' => array(
				'postcode_city' => lang('zip code').' '.lang('City'),
				'city_state_postcode' => lang('City').' '.lang('State').' '.lang('zip code'),
			),
			'help'   => 'Which address format should the addressbook use for countries it does not know the address format. If the address format of a country is known, it uses it independent of this setting.',
			'xmlrpc' => True,
			'admin'  => false,
			'default'=> 'postcode_city',
		);
		$settings['fileas_default'] = array(
			'type'   => 'select',
			'label'  => 'Default file as format',
			'name'   => 'fileas_default',
			'values' => $fileas_options,
			'help'   => 'Default format for fileas, eg. for new entries.',
			'xmlrpc' => True,
			'admin'  => false,
			'default'=> 'org_name: n_family, n_given',
		);
		$crm_list_options = array(
			'~edit~'    => lang('Edit contact'),
			'infolog' => lang('Open %1 CRM view', lang('infolog')),
		);
		if($GLOBALS['egw_info']['user']['apps']['tracker'])
		{
			$crm_list_options['tracker'] = lang('Open %1 CRM view', lang('tracker'));
		}
		$settings['crm_list'] = array(
			'type'   => 'select',
			'label'  => 'Default action on double-click',
			'name'   => 'crm_list',
			'values' => $crm_list_options,
			'help'   => 'When viewing a contact, show linked entries from the selected application',
			'xmlrpc' => True,
			'admin'  => false,
			'default'=> 'infolog',
		);
		$settings[] = array(
			'type'  => 'section',
			'title' => lang('Data exchange settings'),
			'no_lang'=> true,
			'xmlrpc' => False,
			'admin'  => False
		);
		// CSV Export

		if ($GLOBALS['egw_info']['user']['apps']['filemanager'])
		{
			$settings['default_document'] = array(
				'type'   => 'vfs_file',
				'size'   => 60,
				'label'  => 'Default document to insert contacts',
				'name'   => 'default_document',
				'help'   => lang('If you specify a document (full vfs path) here, %1 displays an extra document icon for each entry. That icon allows to download the specified document with the data inserted.', lang('addressbook')).' '.
					lang('The document can contain placeholder like {{%1}}, to be replaced with the data.','n_fn').' '.
					lang('The following document-types are supported:'). implode(',',Api\Storage\Merge::get_file_extensions()),
				'run_lang' => false,
				'xmlrpc' => True,
				'admin'  => False,
			);
			$settings['document_dir'] = array(
				'type'   => 'vfs_dirs',
				'size'   => 60,
				'label'  => 'Directory with documents to insert contacts',
				'name'   => 'document_dir',
				'help'   => lang('If you specify a directory (full vfs path) here, %1 displays an action for each document. That action allows to download the specified document with the data inserted.',lang('addressbook')).' '.
					lang('The document can contain placeholder like {{%1}}, to be replaced with the data.','n_fn').' '.
					lang('The following document-types are supported:'). implode(',',Api\Storage\Merge::get_file_extensions()),
				'run_lang' => false,
				'xmlrpc' => True,
				'admin'  => False,
				'default' => '/templates/addressbook',
			);
		}

		if ($GLOBALS['egw_info']['user']['apps']['felamimail'] || $GLOBALS['egw_info']['user']['apps']['mail'])
		{
			$settings['force_mailto'] = array(
				'type'   => 'check',
				'label'  => 'Open EMail addresses in external mail program',
				'name'   => 'force_mailto',
				'help'   => 'Default is to open EMail addresses in EGroupware EMail application, if user has access to it.',
				'xmlrpc' => True,
				'admin'  => False,
				'default'=> false,
			);
		}

		// Import / Export for nextmatch
		if ($GLOBALS['egw_info']['user']['apps']['importexport'])
		{
			$definitions = new importexport_definitions_bo(array(
				'type' => 'export',
				'application' => 'addressbook'
			));
			$options = array(
				'~nextmatch~'	=>	lang('Old fixed definition')
			);
			$default_def = 'export-addressbook';
			foreach ((array)$definitions->get_definitions() as $identifier)
			{
				try
				{
					$definition = new importexport_definition($identifier);
				}
				catch (Exception $e)
				{
					unset($e);
					// permission error
					continue;
				}
				if (($title = $definition->get_title()))
				{
					$options[$title] = $title;
				}
				unset($definition);
			}
			$settings['nextmatch-export-definition'] = array(
				'type'   => 'select',
				'values' => $options,
				'label'  => 'Export definition to use for nextmatch export',
				'name'   => 'nextmatch-export-definition',
				'help'   => 'If you specify an export definition, it will be used when you export',
				'run_lang' => false,
				'xmlrpc' => True,
				'admin'  => False,
				'default'=> isset($options[$default_def]) ? $default_def : false,
			);

			$settings['vcard_charset'] = array(
				'type'   => 'select',
				'label'  => 'Charset for the vCard import and export',
				'name'   => 'vcard_charset',
				'values' => Api\Translation::get_installed_charsets(),
				'help'   => 'Which charset should be used for the vCard import and export.',
				'xmlrpc' => True,
				'admin'  => false,
				'default'=> 'utf-8',
			);
		}
		return $settings;
	}

	/**
	 * Hook called by link-class to include calendar in the appregistry of the linkage
	 *
	 * @param array/string $location location and other parameters (not used)
	 * @return array with method-names
	 */
	static function search_link($location)
	{
		unset($location);	// not used, but required by function signature

		$links = array(
			'query' => 'api.EGroupware\\Api\\Contacts.link_query',
			'title' => 'api.EGroupware\\Api\\Contacts.link_title',
			'titles' => 'api.EGroupware\\Api\\Contacts.link_titles',
			'view' => array(
				'menuaction' => 'addressbook.addressbook_ui.view',
				'ajax' => 'true'
			),
			'view_id' => 'contact_id',
			'list'	=>	array(
				'menuaction' => 'addressbook.addressbook_ui.index',
				'ajax' => 'true'
			 ),
			'edit' => array(
				'menuaction' => 'addressbook.addressbook_ui.edit'
			),
			'edit_id' => 'contact_id',
			'edit_popup'  => '859x550',
			'add' => array(
				'menuaction' => 'addressbook.addressbook_ui.edit'
			),
			'add_app'    => 'link_app',
			'add_id'     => 'link_id',
			'add_popup'  => '859x550',
			'file_access_user' => true,	// file_access supports 4th parameter $user
			'file_access'=> 'api.EGroupware\\Api\\Contacts.file_access',
			'default_types' => array('n' => array('name' => 'contact', 'options' => array('icon' => 'navbar.png','template' => 'addressbook.edit'))),
			// registers an addtional type 'addressbook-email', returning only contacts with email, title has email appended
			'additional' => array(
				'addressbook-email' => array(
					'query' => 'api.EGroupware\\Api\\Contacts.link_query_email',
					'view' => array(
						'menuaction' => 'addressbook.addressbook_ui.view',
						'ajax' => 'true'
					),
					'view_id' => 'contact_id',
				),
			),
			'merge' => true,
			'entry' => 'Contact',
			'entries' => 'Contacts',
		);
		return $links;
	}

	/**
	 * Hook called to retrieve a app specific exportLimit
	 *
	 * @param array/string $location location and other parameters (not used)
	 * @return the export_limit to be applied for the app, may be empty, int or string
	 */
	static function getAppExportLimit($location)
	{
		unset($location);	// not used, but required by function signature

		return $GLOBALS['egw_info']['server']['contact_export_limit'];
	}

	/**
	 * Register contacts as calendar resources (items which can be sheduled by the calendar)
	 *
	 * @param array $args hook-params (not used)
	 * @return array
	 */
	static function calendar_resources($args)
	{
		unset($args);	// not used, but required by function signature

		return array(
			'type' => 'c',// one char type-identifiy for this resources
			'info' => 'api.EGroupware\\Api\\Contacts.calendar_info',// info method, returns array with id, type & name for a given id
		);
	}

	/**
	 * Register addressbook for group-acl
	 *
	 * @param array $args hook-params (not used)
	 * @return boolean|string true=standard group acl link, of string with link
	 */
	static function group_acl($args)
	{
		unset($args);	// not used, but required by function signature

		// addressbook uses group-acl, only if contacts-backend is NOT LDAP, as the ACL can not be modified there
		return $GLOBALS['egw_info']['server']['contact_repository'] != 'ldap';
	}

	/**
	 * For which groups should no group acl be used: addressbook always
	 *
	 * @param string|array $data
	 * @return boolean|array true, false or array with group-account_id's
	 */
	static function not_enum_group_acls($data)
	{
		unset($data);	// not used, but required by function signature

		return true;
	}

	/**
	 * ACL rights and labels used
	 *
	 * @param string|array string with location or array with parameters incl. "location", specially "owner" for selected Acl owner
	 * @return array Acl::(READ|ADD|EDIT|DELETE|PRIVAT|CUSTOM(1|2|3)) => $label pairs
	 */
	public static function acl_rights($params)
	{
		unset($params);	// not used, but required by function signature

		return array(
			Acl::READ    => 'read',
			Acl::EDIT    => 'edit',
			Acl::ADD     => 'add',
			Acl::DELETE  => 'delete',
		);
	}

	/**
	 * Hook to tell framework we use standard categories method
	 *
	 * @param string|array $data hook-data or location
	 * @return boolean
	 */
	public static function categories($data)
	{
		unset($data);	// not used, but required by function signature

		return true;
	}

	/**
	 * Called before displaying site configuration
	 *
	 * @param array $config
	 * @return array with additional config to merge and "sel_options" values
	 */
	public static function config(array $config)
	{
		$bocontacts = new Api\Contacts();

		// get the list of account fields
		$own_account_acl = array();
		foreach($bocontacts->contact_fields as $field => $label)
		{
			// some fields the user should never be allowed to edit or are covert by an other attribute (n_fn for all n_*)
			if (!in_array($field,array('id','tid','owner','created','creator','modified','modifier','private','n_prefix','n_given','n_middle','n_family','n_suffix')))
			{
				$own_account_acl[$field] = $label;
			}
		}
		$own_account_acl['link_to'] = 'Links';
		if ($config['account_repository'] != 'ldap')	// no custom-fields in ldap
		{
			foreach(Api\Storage\Customfields::get('addressbook') as $name => $data)
			{
				$own_account_acl['#'.$name] = $data['label'];
			}
		}

		$org_fields = $own_account_acl;
		unset($org_fields['n_fn'], $org_fields['account_id']);
		// Remove country codes as an option, it will be added by BO constructor
		unset($org_fields['adr_one_countrycode'], $org_fields['adr_two_countrycode']);

		$supported_fields = $bocontacts->get_fields('supported',null,0);	// fields supported by the backend (ldap schemas!)
		// get the list of account fields
		$copy_fields = array();
		foreach($bocontacts->contact_fields as $field => $label)
		{
			// some fields the user should never be allowed to copy or are coverted by an other attribute (n_fn for all n_*)
			if (!in_array($field,array('id','tid','created','creator','modified','modifier','account_id','uid','etag','n_fn')))
			{
				$copy_fields[$field] = $label;
			}
		}
		if ($config['contact_repository'] != 'ldap')	// no custom-fields in ldap
		{
			foreach(Api\Storage\Customfields::get('addressbook') as $name => $data)
			{
				$copy_fields['#'.$name] = $data['label'];
			}
		}
		// Remove country codes as an option, it will be added by UI constructor
		if(in_array('adr_one_countrycode', $supported_fields))
		{
			unset($copy_fields['adr_one_countrycode'], $copy_fields['adr_two_countrycode']);
		}

		$repositories = array('sql' => 'SQL');
		// check account-repository, contact-repository LDAP is only availible for account-repository == ldap
		if ($config['account_repository'] == 'ldap' || !$config['account_repository'] && $config['auth_type'] == 'ldap')
		{
			$repositories['ldap'] = 'LDAP';
			$repositories['sql-ldap'] = 'SQL --> LDAP ('.lang('read only').')';
		}

		$ret = array(
			'sel_options' => array(
				'own_account_acl' => $own_account_acl,
				'org_fileds_to_update' => $org_fields,	// typo has to stay, as it was there allways and we would loose existing config :(
				'copy_fields' => $copy_fields,
				'fileas' => $bocontacts->fileas_options(),
				'contact_repository' => $repositories,
			),
		);
		return $ret;
	}
}