<?php

namespace Zotlabs\Module\Admin;

use Zotlabs\Lib\System;
use Zotlabs\Access\PermissionRoles;

class Site {

	/**
	 * @brief POST handler for Admin Site Page.
	 *
	 */
	function post() {

		if(! is_site_admin()) {
			return;
		}
		
		if (! x($_POST, 'page_site')) {
			return;
		}

		check_form_security_token_redirectOnErr('/admin/site', 'admin_site');

		$sitename 			=	((x($_POST,'sitename'))			? notags(trim($_POST['sitename']))			: '');

		$banner				=	((x($_POST,'banner'))			? trim($_POST['banner'])				: false);

		$admininfo			=	((x($_POST,'admininfo'))		? trim($_POST['admininfo'])				: false);
		$siteinfo			=	((x($_POST,'siteinfo'))		    ? trim($_POST['siteinfo'])				: '');
		$language			=	((x($_POST,'language'))			? notags(trim($_POST['language']))			: 'en');
		$theme				=	((x($_POST,'theme'))			? notags(trim($_POST['theme']))				: '');
//		$theme_mobile			=	((x($_POST,'theme_mobile'))		? notags(trim($_POST['theme_mobile']))			: '');
//		$site_channel			=	((x($_POST,'site_channel'))	? notags(trim($_POST['site_channel']))				: '');
		$maximagesize		=	((x($_POST,'maximagesize'))		? intval(trim($_POST['maximagesize']))				:  0);

		$register_policy	=	((x($_POST,'register_policy'))	? intval(trim($_POST['register_policy']))	:  0);
		$minimum_age           = ((x($_POST,'minimum_age'))          ? intval(trim($_POST['minimum_age']))    : 13);
		$access_policy	=	((x($_POST,'access_policy'))	? intval(trim($_POST['access_policy']))	:  0);
		$invite_only	= ((x($_POST,'invite_only'))		? True	: False);
		$abandon_days	=	((x($_POST,'abandon_days'))	    ? intval(trim($_POST['abandon_days']))	    :  0);

		$register_text		=	((x($_POST,'register_text'))	? notags(trim($_POST['register_text']))		: '');
		$site_sellpage		=	((x($_POST,'site_sellpage'))	? notags(trim($_POST['site_sellpage']))		: '');
		$site_location		=	((x($_POST,'site_location'))	? notags(trim($_POST['site_location']))		: '');
		$frontpage			=	((x($_POST,'frontpage'))	? notags(trim($_POST['frontpage']))		: '');
		$firstpage		    =	((x($_POST,'firstpage'))	? notags(trim($_POST['firstpage']))		: 'profiles');
		$first_page		    =	((x($_POST,'first_page'))	? notags(trim($_POST['first_page']))		: 'profiles');
		// check value after trim
		if(! $first_page) {
			$first_page = 'profiles';
		}
		$mirror_frontpage	=	((x($_POST,'mirror_frontpage'))	? intval(trim($_POST['mirror_frontpage']))		: 0);
		$directory_server	=	((x($_POST,'directory_server')) ? trim($_POST['directory_server']) : '');
		$force_publish		=	((x($_POST,'publish_all'))		? True	: False);
		$disable_discover_tab =	((x($_POST,'disable_discover_tab'))		? False	:	True);
		$site_firehose      =   ((x($_POST,'site_firehose')) ? True : False);
		$open_pubstream     =   ((x($_POST,'open_pubstream')) ? True : False);
		$login_on_homepage	=	((x($_POST,'login_on_homepage'))		? True	:	False);
		$enable_context_help = ((x($_POST,'enable_context_help'))		? True	:	False);
		$global_directory     = ((x($_POST,'directory_submit_url'))	? notags(trim($_POST['directory_submit_url']))	: '');
		$no_community_page    = !((x($_POST,'no_community_page'))	? True	:	False);
		$default_expire_days  = ((array_key_exists('default_expire_days',$_POST)) ? intval($_POST['default_expire_days']) : 0);
		$active_expire_days  = ((array_key_exists('active_expire_days',$_POST)) ? intval($_POST['active_expire_days']) : 7);

		$reply_address      = ((array_key_exists('reply_address',$_POST) && trim($_POST['reply_address'])) ? trim($_POST['reply_address']) : 'noreply@' . \App::get_hostname());
		$from_email         = ((array_key_exists('from_email',$_POST) && trim($_POST['from_email'])) ? trim($_POST['from_email']) : 'Administrator@' . \App::get_hostname());
		$from_email_name    = ((array_key_exists('from_email_name',$_POST) && trim($_POST['from_email_name'])) ? trim($_POST['from_email_name']) : \Zotlabs\Lib\System::get_site_name());

		$verifyssl         = ((x($_POST,'verifyssl'))        ? True : False);
		$proxyuser         = ((x($_POST,'proxyuser'))        ? notags(trim($_POST['proxyuser']))  : '');
		$proxy             = ((x($_POST,'proxy'))            ? notags(trim($_POST['proxy']))      : '');
		$timeout           = ((x($_POST,'timeout'))          ? intval(trim($_POST['timeout']))    : 60);
		$show_like_counts  = ((x($_POST,'show_like_counts')) ? intval(trim($_POST['show_like_counts'])) : 0);
		$cache_images      = ((x($_POST,'cache_images')) ? intval(trim($_POST['cache_images'])) : 0);
		$delivery_interval = ((x($_POST,'delivery_interval'))? intval(trim($_POST['delivery_interval'])) : 0);
		$delivery_batch_count = ((x($_POST,'delivery_batch_count') && $_POST['delivery_batch_count'] > 0)? intval(trim($_POST['delivery_batch_count'])) : 3);
		$poll_interval     = ((x($_POST,'poll_interval'))    ? intval(trim($_POST['poll_interval'])) : 0);
		$maxloadavg        = ((x($_POST,'maxloadavg'))       ? intval(trim($_POST['maxloadavg'])) : 50);
//		$feed_contacts     = ((x($_POST,'feed_contacts'))    ? intval($_POST['feed_contacts'])    : 0);
		$ap_contacts       = ((x($_POST,'ap_contacts'))      ? intval($_POST['ap_contacts'])    : 0);
		$verify_email      = ((x($_POST,'verify_email'))     ? 1 : 0);
		$imagick_path      = ((x($_POST,'imagick_path'))     ? trim($_POST['imagick_path'])   : '');
		$force_queue       = ((intval($_POST['force_queue']) > 0) ? intval($_POST['force_queue'])   : 3000);
		$pub_incl = escape_tags(trim($_POST['pub_incl']));
		$pub_excl = escape_tags(trim($_POST['pub_excl']));

		$permissions_role = escape_tags(trim($_POST['permissions_role']));

//		set_config('system', 'feed_contacts', $feed_contacts);
		set_config('system', 'activitypub', $ap_contacts);
		set_config('system', 'delivery_interval', $delivery_interval);
		set_config('system', 'delivery_batch_count', $delivery_batch_count);
		set_config('system', 'poll_interval', $poll_interval);
		set_config('system', 'maxloadavg', $maxloadavg);
		set_config('system', 'frontpage', $frontpage);
		set_config('system', 'cache_images', $cache_images);
		set_config('system', 'sellpage', $site_sellpage);
		set_config('system', 'workflow_channel_next', $first_page);
		set_config('system', 'site_location', $site_location);
		set_config('system', 'mirror_frontpage', $mirror_frontpage);
		set_config('system', 'sitename', $sitename);
		set_config('system', 'login_on_homepage', $login_on_homepage);
		set_config('system', 'enable_context_help', $enable_context_help);
		set_config('system', 'verify_email', $verify_email);
		set_config('system', 'default_expire_days', $default_expire_days);
		set_config('system', 'active_expire_days', $active_expire_days);
		set_config('system', 'reply_address', $reply_address);
		set_config('system', 'from_email', $from_email);
		set_config('system', 'from_email_name' , $from_email_name);
		set_config('system', 'imagick_convert_path' , $imagick_path);
		set_config('system', 'default_permissions_role', $permissions_role);
		set_config('system', 'show_like_counts', $show_like_counts);
		set_config('system', 'pubstream_incl',$pub_incl);
		set_config('system', 'pubstream_excl',$pub_excl);


		if ($directory_server) {
			set_config('system','directory_server',$directory_server);
		}
		
		if ($banner == '') {
			del_config('system', 'banner');
		}
		else {
			set_config('system', 'banner', $banner);
		}

		if ($admininfo == '') {
			del_config('system', 'admininfo');
		}
		else {
			require_once('include/text.php');
			linkify_tags($admininfo, local_channel());
			set_config('system', 'admininfo', $admininfo);
		}
		set_config('system','siteinfo',$siteinfo);
		set_config('system', 'language', $language);
		set_config('system', 'theme', $theme);
	//	set_config('system','site_channel', $site_channel);
		set_config('system','maximagesize', $maximagesize);

		set_config('system','register_policy', $register_policy);
		set_config('system','minimum_age', $minimum_age);
		set_config('system','invitation_only', $invite_only);
		set_config('system','access_policy', $access_policy);
		set_config('system','account_abandon_days', $abandon_days);
		set_config('system','register_text', $register_text);
		set_config('system','publish_all', $force_publish);
		set_config('system','disable_discover_tab', $disable_discover_tab);
		set_config('system','site_firehose', $site_firehose);
		set_config('system','open_pubstream', $open_pubstream);
		set_config('system','force_queue_threshold', $force_queue);
		if ($global_directory == '') {
			del_config('system', 'directory_submit_url');
		} else {
			set_config('system', 'directory_submit_url', $global_directory);
		}

		set_config('system','no_community_page', $no_community_page);
		set_config('system','no_utf', $no_utf);
		set_config('system','verifyssl', $verifyssl);
		set_config('system','proxyuser', $proxyuser);
		set_config('system','proxy', $proxy);
		set_config('system','curl_timeout', $timeout);

		info( t('Site settings updated.') . EOL);
		goaway(z_root() . '/admin/site' );
	}

	/**
	 * @brief Admin page site.
	 *
	 * @return string with HTML
	 */
	 
	function get() {

		/* Installed langs */
		$lang_choices = array();
		$langs = glob('view/*/strings.php');

		if (is_array($langs) && count($langs)) {
			if (! in_array('view/en/strings.php',$langs))
				$langs[] = 'view/en/';
			asort($langs);
			foreach ($langs as $l) {
				$t = explode("/",$l);
				$lang_choices[$t[1]] = $t[1];
			}
		}

		/* Installed themes */
		$theme_choices_mobile["---"] = t("Default");
		$theme_choices = array();
		$files = glob('view/theme/*');
		if ($files) {
			foreach ($files as $file) {
				$vars = '';
				$f = basename($file);

				$info = get_theme_info($f);
				$compatible = check_plugin_versions($info);
				if (! $compatible) {
					$theme_choices[$f] = $theme_choices_mobile[$f] = sprintf(t('%s - (Incompatible)'), $f);
					continue;
				}

				if (file_exists($file . '/library'))
					continue;
				if (file_exists($file . '/mobile'))
					$vars = t('mobile');
				if (file_exists($file . '/experimental'))
					$vars .= t('experimental');
				if (file_exists($file . '/unsupported'))
					$vars .= t('unsupported');
				if ($vars) {
					$theme_choices[$f] = $f . ' (' . $vars . ')';
					$theme_choices_mobile[$f] = $f . ' (' . $vars . ')';
				}
				else {
					$theme_choices[$f] = $f;
					$theme_choices_mobile[$f] = $f;
				}
			}
		}

		$dir_choices = null;
		$dirmode = get_config('system','directory_mode');
		$realm = get_directory_realm();

		// directory server should not be set or settable unless we are a directory client
		// avoid older redmatrix servers which don't have modern encryption

		if ($dirmode == DIRECTORY_MODE_NORMAL) {
			$x = q("select site_url from site where site_flags in (%d,%d) and site_realm = '%s' and site_dead = 0",
				intval(DIRECTORY_MODE_SECONDARY),
				intval(DIRECTORY_MODE_PRIMARY),
				dbesc($realm)
			);
			if ($x) {
				$dir_choices = array();
				foreach ($x as $xx) {
					$dir_choices[$xx['site_url']] = $xx['site_url'];
				}
			}
		}

		/* Banner */

		$banner = System::get_banner();

		$banner = htmlspecialchars($banner);

		/* Admin Info */
		
		$admininfo = get_config('system', 'admininfo');

		/* Register policy */
		$register_choices = [
			REGISTER_CLOSED  => t("No"),
			REGISTER_APPROVE => t("Yes - with approval"),
			REGISTER_OPEN    => t("Yes")
		];

		/* Acess policy */
		$access_choices = [
			ACCESS_PRIVATE => t("My site is not a public server"),
			ACCESS_FREE    => t("My site provides free public access"),
			ACCESS_PAID    => t("My site provides paid public access"),
			ACCESS_TIERED  => t("My site provides free public access and premium paid plans")
		];

		$discover_tab = get_config('system','disable_discover_tab');

		// $disable public streams by default
		if($discover_tab === false)
			$discover_tab = 1;
		// now invert the logic for the setting.
		$discover_tab = (1 - intval($discover_tab));


		$perm_roles = PermissionRoles::roles();
		$default_role = get_config('system','default_permissions_role','social');

		$role = [ 'permissions_role' , t('Default permission role for new accounts'), $default_role, t('This role will be used for the first channel created after registration.'),$perm_roles ];


		$homelogin = get_config('system','login_on_homepage');
		$enable_context_help = get_config('system','enable_context_help');

		return replace_macros(get_markup_template('admin_site.tpl'), [
			'$title'                => t('Administration'),
			'$page'                 => t('Site'),
			'$submit'               => t('Submit'),
			'$h_basic'              => t('Site Configuration'),
			'$registration'         => t('Registration'),
			'$upload'               => t('File upload'),
			'$corporate'            => t('Policies'),
			'$advanced'             => t('Advanced'),
			'$baseurl'              => z_root(),
			'$sitename'             => [ 'sitename', t("Site name"), htmlspecialchars(get_config('system','sitename'), ENT_QUOTES, 'UTF-8'),'' ],
			'$banner'               => [ 'banner', t("Banner/Logo"), $banner, t('Unfiltered HTML/CSS/JS is allowed') ],
			'$admininfo'            => [ 'admininfo', t("Administrator Information"), $admininfo, t("Contact information for site administrators.  Displayed on siteinfo page.  BBCode may be used here.") ],
			'$siteinfo'		        => [ 'siteinfo', t('Site Information'), get_config('system','siteinfo'), t("Publicly visible description of this site.  Displayed on siteinfo page.  BBCode may be used here.") ],
			'$language'             => [ 'language', t("System language"), get_config('system','language','en'), "", $lang_choices ],
			'$theme'                => [ 'theme', t("System theme"), get_config('system','theme'), t("Default system theme - may be over-ridden by user profiles - <a href='#' id='cnftheme'>change theme settings</a>"), $theme_choices ],
//			'$theme_mobile'         => [ 'theme_mobile', t("Mobile system theme"), get_config('system','mobile_theme'), t("Theme for mobile devices"), $theme_choices_mobile ],
//			'$site_channel'         => [ 'site_channel', t("Channel to use for this website's static pages"), get_config('system','site_channel'), t("Site Channel") ],
			'$ap_contacts'           => [ 'ap_contacts', t('ActivityPub protocol'),get_config('system','activitypub',true),t('Provides access to software supporting the ActivityPub protocol.') ],
			'$maximagesize'         => [ 'maximagesize', t("Maximum image size"), intval(get_config('system','maximagesize')), t("Maximum size in bytes of uploaded images. Default is 0, which means no limits.") ],
			'$cache_images'         => [ 'cache_images', t('Cache all public images'), intval(get_config('system','cache_images',1)), t('If disabled, proxy non-SSL images, but do not store locally') ], 
			'$register_policy'      => [ 'register_policy', t("Does this site allow new member registration?"), get_config('system','register_policy'), "", $register_choices ],
			'$invite_only'          => [ 'invite_only', t("Invitation only"), get_config('system','invitation_only'), t("Only allow new member registrations with an invitation code. New member registration must be allowed for this to work.") ],
			'$minimum_age'          => [ 'minimum_age', t("Minimum age"), (x(get_config('system','minimum_age'))?get_config('system','minimum_age'):13), t("Minimum age (in years) for who may register on this site.") ],
			'$access_policy'        => [ 'access_policy', t("Which best describes the types of account offered by this hub?"), get_config('system','access_policy'), t("If a public server policy is selected, this information may be displayed on the public server site list."), $access_choices ],
			'$register_text'        => [ 'register_text', t("Register text"), htmlspecialchars(get_config('system','register_text'), ENT_QUOTES, 'UTF-8'), t("Will be displayed prominently on the registration page.") ],
			'$role'                 => $role,
			'$frontpage'	        => [ 'frontpage', t("Site homepage to show visitors (default: login box)"), get_config('system','frontpage'), t("example: 'public' to show public stream, 'page/sys/home' to show a system webpage called 'home' or 'include:home.html' to include a file.") ],
			'$mirror_frontpage'     => [ 'mirror_frontpage', t("Preserve site homepage URL"), get_config('system','mirror_frontpage'), t('Present the site homepage in a frame at the original location instead of redirecting') ],
			'$abandon_days'         => [ 'abandon_days', t('Accounts abandoned after x days'), get_config('system','account_abandon_days'), t('Will not waste system resources polling external sites for abandonded accounts. Enter 0 for no time limit.') ],
			'$verify_email'         => [ 'verify_email', t("Verify Email Addresses"), get_config('system','verify_email'), t("Check to verify email addresses used in account registration (recommended).") ],
			'$force_publish'        => [ 'publish_all', t("Force publish in directory"), get_config('system','publish_all'), t("Check to force all profiles on this site to be listed in the site directory.") ],
			'$disable_discover_tab'	=> [ 'disable_discover_tab', t('Public stream'), $discover_tab, t('Provide access to public content from other sites. Warning: this content is unmoderated.') ],
			'$site_firehose'	    => [ 'site_firehose', t('Site only Public ttream'), get_config('system','site_firehose'), t('Provide access to public content originating only from this site if Public stream is disabled.') ],
			'$open_pubstream'	    => [ 'open_pubstream', t('Allow anybody on the internet to access the Public stream'), get_config('system','open_pubstream',0), t('Default is to only allow viewing by site members. Warning: this content is unmoderated.') ],
			'$show_like_counts'	    => [ 'show_like_counts', t('Show numbers of likes and dislikes in conversations'), get_config('system','show_like_counts',1), t('If disabled, the presence of likes and dislikes will be shown, but without totals.') ],
			'$incl'                 => [ 'pub_incl',t('Only import Public stream posts with this text'), get_config('system','pubstream_incl'),t('words one per line or #tags or /patterns/ or lang=xx, leave blank to import all posts') ],
			'$excl'                 => [ 'pub_excl',t('Do not import Public stream posts with this text'), get_config('system','pubstream_excl'),t('words one per line or #tags or /patterns/ or lang=xx, leave blank to import all posts') ],
			'$login_on_homepage'	=> [ 'login_on_homepage', t("Login on Homepage"),((intval($homelogin) || $homelogin === false) ? 1 : '') , t("Present a login box to visitors on the home page if no other content has been configured.") ],
			'$enable_context_help'	=> [ 'enable_context_help', t("Enable context help"),((intval($enable_context_help) === 1 || $enable_context_help === false) ? 1 : 0) , t("Display contextual help for the current page when the help button is pressed.") ],
			'$reply_address'        => [ 'reply_address', t('Reply-to email address for system generated email.'), get_config('system','reply_address','noreply@' . \App::get_hostname()),'' ],
			'$from_email'           => [ 'from_email', t('Sender (From) email address for system generated email.'), get_config('system','from_email','Administrator@' . \App::get_hostname()),'' ],
			'$from_email_name'      => [ 'from_email_name', t('Display name of email sender for system generated email.'), get_config('system','from_email_name',\Zotlabs\Lib\System::get_site_name()),'' ],
			'$directory_server'     => (($dir_choices) ?  [ 'directory_server', t("Directory Server URL"), get_config('system','directory_server'), t("Default directory server"), $dir_choices ] : null),
			'$proxyuser'            => [ 'proxyuser', t("Proxy user"), get_config('system','proxyuser'), "" ],
			'$proxy'                => [ 'proxy', t("Proxy URL"), get_config('system','proxy'), "" ],
			'$timeout'              => [ 'timeout', t("Network timeout"), (x(get_config('system','curl_timeout'))?get_config('system','curl_timeout'):60), t("Value is in seconds. Set to 0 for unlimited (not recommended).") ],
			'$delivery_interval'    => [ 'delivery_interval', t("Delivery interval"), (x(get_config('system','delivery_interval'))?get_config('system','delivery_interval'):2), t("Delay background delivery processes by this many seconds to reduce system load. Recommend: 4-5 for shared hosts, 2-3 for virtual private servers. 0-1 for large dedicated servers.") ],
			'$delivery_batch_count' => [ 'delivery_batch_count', t('Deliveries per process'),(x(get_config('system','delivery_batch_count'))?get_config('system','delivery_batch_count'):3), t("Number of deliveries to attempt in a single operating system process. Adjust if necessary to tune system performance. Recommend: 1-5.") ],
			'$force_queue'          => [ 'force_queue', t("Queue Threshold"), get_config('system','force_queue_threshold',3000), t("Always defer immediate delivery if queue contains more than this number of entries.") ],
			'$poll_interval'        => [ 'poll_interval', t("Poll interval"), (x(get_config('system','poll_interval'))?get_config('system','poll_interval'):2), t("Delay background polling processes by this many seconds to reduce system load. If 0, use delivery interval.") ],
			'$imagick_path'         => [ 'imagick_path', t("Path to ImageMagick convert program"), get_config('system','imagick_convert_path'), t("If set, use this program to generate photo thumbnails for huge images ( > 4000 pixels in either dimension), otherwise memory exhaustion may occur. Example: /usr/bin/convert") ],
			'$maxloadavg'           => [ 'maxloadavg', t("Maximum Load Average"), ((intval(get_config('system','maxloadavg')) > 0)?get_config('system','maxloadavg'):50), t("Maximum system load before delivery and poll processes are deferred - default 50.") ],
			'$default_expire_days'  => [ 'default_expire_days', t('Expiration period in days for imported streams and cached images'), intval(get_config('system','default_expire_days',60)), t('0 for no expiration of imported content') ],
			'$active_expire_days'   => [ 'active_expire_days', t('Do not expire any posts which have comments less than this many days ago'), intval(get_config('system','active_expire_days',7)), '' ],
			'$sellpage'             => [ 'site_sellpage', t('Public servers: Optional landing (marketing) webpage for new registrants'), get_config('system','sellpage',''), sprintf( t('Create this page first. Default is %s/register'),z_root()) ],
			'$first_page'           => [ 'first_page', t('Page to display after creating a new channel'), get_config('system','workflow_channel_next','profiles'), t('Default: profiles') ],
			'$location'             => [ 'site_location', t('Site location'), get_config('system','site_location',''), t('Region or country - shared with other sites') ],
			'$form_security_token'  => get_form_security_token("admin_site"),
		]);
	}

}