'use strict';
'require view';
'require rpc';
'require poll';
'require dom';
'require ui';
'require form';
'require uci';
'require network';
'require tools.widgets as widgets';

var Hosts, Remotehosts, Remoteinfo, Localinfo, Clients, WifiNetworks;

var dns_cache = [];

function SplitWlan(wlan) {
	var wlansplit = [];
	if (typeof wlan.split('#')[1] !== 'undefined') {
		wlansplit=wlan.split('#');
		if (typeof dns_cache[wlansplit[0]] !== 'undefined') {
			wlansplit[0]=dns_cache[wlansplit[0]];
		}
	} else {
		wlansplit[0]=_('This AP'); 
		wlansplit[1]=wlan; 
	}
	return wlansplit;
}


function collectHearingClient(client_table_entries, mac) {
	if (typeof Clients[mac] !== 'undefined') {
		for (var wlanc in Clients[mac]) {
			var SSID = '';
			var freq = 0;
			if (typeof Localinfo[wlanc] !== 'undefined') {
				SSID = Localinfo[wlanc]['ssid'];
				freq = Localinfo[wlanc]['freq'];
			}
			if (typeof Remoteinfo[wlanc] !== 'undefined') {
				SSID = Remoteinfo[wlanc]['ssid'];
				freq = Remoteinfo[wlanc]['freq'];
			}
			var wlansplit=SplitWlan(wlanc);
			client_table_entries.push([
				'<nobr>' + '%h'.format(wlansplit[0]) + '</nobr>',
				'<nobr>' + '%h'.format(wlansplit[1]) + '</nobr>',
				SSID,
				freq,
				Clients[mac][wlanc]['connected'] === true ? 'Yes' : 'No',
				typeof Clients[mac][wlanc]['signal'] !== 'undefined' ? Clients[mac][wlanc]['signal'] : ''
			]);
		}
	}
}

var HearingMap = form.DummyValue.extend({
	renderWidget: function () {
		var body = E([
			E('h3', _('Hearing map')),
			E('div', _('Refresh page to get new mac addresses to show up'))
		]);
		for (var mac in Clients) {
			var maciphost = '';
			maciphost = mac;
			var macUp = mac.toUpperCase();
			var macn = macUp.replace(/:/g,'');
			if (typeof Hosts[macUp] !== 'undefined') {
				if ((String(Hosts[macUp]['ipaddrs'][0]).length > 0) && (typeof Hosts[macUp]['ipaddrs'][0] !== 'undefined'))
					maciphost += '\u2003' + Hosts[macUp]['ipaddrs'];
				if ((String(Hosts[macUp]['name']).length > 0) && (typeof Hosts[macUp]['name'] !== 'undefined'))
					maciphost += '\u2003%h'.format(Hosts[macUp]['name']);
			}
			body.appendChild(
				E('h4', maciphost)
			);
			var client_table = E('table', {'class': 'table cbi-section-table','id':'client_table'+macn}, [
				E('tr', {'class': 'tr table-titles'}, [
					E('th', {'class': 'th'}, _('AP','Name or IP address of access point')),
					E('th', {'class': 'th'}, _('Interface name','interface name in usteer overview')),
					E('th', {'class': 'th', 'style': 'width:25%'}, _('SSID')),
					E('th', {'class': 'th', 'style': 'width:15%'}, _('Frequency','BSS operating frequency in usteer overview')),
					E('th', {'class': 'th', 'style': 'width:15%'}, _('Connected','Connection state in usteer overview')),
					E('th', {'class': 'th', 'style': 'width:15%'}, _('Signal','Signal strength reported by wireless station in usteer overview'))
				])
			]);
			var client_table_entries = [];
			collectHearingClient(client_table_entries, mac);
			cbi_update_table(client_table, client_table_entries, E('em', _('No data')));
			body.appendChild(client_table);
		}
		return E('div', {'class': 'cbi-section cbi-tblsection'}, [body]);
	}
});




function collectWlanAPInfoEntries(connectioninfo_table_entries, wlanAPInfos) {
	for (var wlan in wlanAPInfos) {
		var wlansplit=SplitWlan(wlan);
		connectioninfo_table_entries.push([
			'<nobr>' + '%h'.format(wlansplit[0]) + '</nobr>',
			'<nobr>' + '%h'.format(wlansplit[1]) + '</nobr>',
			wlanAPInfos[wlan]['bssid'],
			wlanAPInfos[wlan]['ssid'],
			wlanAPInfos[wlan]['freq'],
			wlanAPInfos[wlan]['n_assoc'],
			wlanAPInfos[wlan]['noise'],
			wlanAPInfos[wlan]['load'],
			wlanAPInfos[wlan]['max_assoc'],
			typeof wlanAPInfos[wlan]['roam_events']['source'] !== 'undefined' ? wlanAPInfos[wlan]['roam_events']['source'] : '',
			typeof wlanAPInfos[wlan]['roam_events']['target'] !== 'undefined' ? wlanAPInfos[wlan]['roam_events']['target'] : ''
		]);
	}
};

function tootltip(mac, IP, hostname) {
	var body= E([]);
	body.appendChild(E('div', mac));
	if (typeof IP !== 'undefined') {
		for (var IPaddr in IP['ipaddrs']) body.appendChild(E('div', IP['ipaddrs'][IPaddr]));
		for (var IPaddr in IP['ip6addrs']) body.appendChild(E('div', IP['ip6addrs'][IPaddr]));;
	}
	if (hostname !== '') {
		body.appendChild(E('div', '%h'.format(hostname)));
	}
	return body;
}

function collectWlanAPInfos(compactconnectioninfo_table_entries, wlanAPInfos) {
	for (var wlan in wlanAPInfos) {
		var hostl = E([]);
		for (var mac in Clients) {
			if (typeof Clients[mac] !== 'undefined')
				if (typeof Clients[mac][wlan] !== 'undefined')
					if (String(Clients[mac][wlan]['connected']).valueOf() === 'true') {
						var foundname = mac;
						var IP = '';
						var hostname = '';
						var macUp = mac.toUpperCase();
						if (typeof Hosts[macUp] !== 'undefined') {
							if ((typeof Hosts[macUp]['ipaddrs'][0] !== 'undefined') && (String(Hosts[macUp]['ipaddrs'][0]).length > 0)) {
								IP = Hosts[macUp]['ipaddrs'][0];
								foundname = IP;
							}
							if ((typeof Hosts[macUp]['name'] !== 'undefined') && (String(Hosts[macUp]['name']).length > 0)) {
								hostname =  Hosts[macUp]['name'];
								foundname = hostname;
							}
						}
						hostl.appendChild(
							E('span', { 'class': 'cbi-tooltip-container' }, [
								'%h\u2003'.format(foundname),
								E('div', { 'class': 'cbi-tooltip' }, tootltip(mac, Hosts[macUp], hostname))
							])
						);
					}
		}
		var wlansplit=SplitWlan(wlan);
		compactconnectioninfo_table_entries.push([
			'<nobr>' + '%h'.format(wlansplit[0]) + '</nobr>',
			'<nobr>' + '%h'.format(wlansplit[1]) + '</nobr>',
			wlanAPInfos[wlan]['ssid'],
			wlanAPInfos[wlan]['freq'],
			wlanAPInfos[wlan]['load'],
			wlanAPInfos[wlan]['n_assoc'],
			hostl
		]);
	}
};

var callNetworkRrdnsLookup = rpc.declare({
	object: 'network.rrdns',
	method: 'lookup',
	params: [ 'addrs', 'timeout', 'limit' ],
	expect: { '': {} }
});


function collectRemoteHosts (remotehosttableentries,Remotehosts) {
	const getUndefinedDnsCacheIPs = (Remotehosts, dns_cache) =>
		Object.keys(Remotehosts).filter(IPaddr => !dns_cache.hasOwnProperty(IPaddr));

	var ipAddrs = getUndefinedDnsCacheIPs(Remotehosts, dns_cache);

	L.resolveDefault(callNetworkRrdnsLookup(ipAddrs, 1000, 1000), {}).then(function(replies) {
				for (var address of ipAddrs) {
					if (!address)
						continue;
					if (replies[address]) {
						dns_cache[address] = replies[address];
						continue;
					} else {
						dns_cache[address]=Hosts[
							Object.keys(Hosts).find(mac =>   
								((typeof Hosts[mac]['name'] !== 'undefined') && 
									((Object.keys(Hosts[mac]['ip6addrs']).find(IPaddr2 => (address === Hosts[mac]['ip6addrs'][IPaddr2]))) ||
									(Object.keys(Hosts[mac]['ipaddrs']).find(IPaddr2 => (address === Hosts[mac]['ipaddrs'][IPaddr2])))))
									)
							]['name'];
					}
				}
	});

	for (var IPaddr in Remotehosts) {
		remotehosttableentries.push([IPaddr,'%h'.format(dns_cache[IPaddr]),Remotehosts[IPaddr]['id']]);
	}
}


var Clientinfooverview = form.DummyValue.extend({
	renderWidget: function () {
		var body = E([
			E('h3', _('Remote hosts'))
		]);
		var remotehost_table = E('table', {'class': 'table cbi-section-table', 'id': 'remotehost_table'}, [
			E('tr', {'class': 'tr table-titles'}, [
				E('th', {'class': 'th'}, _('IP address')),
				E('th', {'class': 'th'}, _('Hostname')),
				E('th', {'class': 'th'}, _('Identifier'))
			])
		]);
		var remotehosttableentries = [];
		collectRemoteHosts(remotehosttableentries,Remotehosts);
		cbi_update_table(remotehost_table, remotehosttableentries, E('em', _('No data')));
		body.appendChild(remotehost_table);
		body.appendChild(
			E('h3', _('Client list'))
		);
		var connectioninfo_table = E('table', {'class': 'table cbi-section-table', 'id': 'connectioninfo_table'}, [
			E('tr', {'class': 'tr table-titles'}, [
				E('th', {'class': 'th'}, _('AP','Name or IP address of access point')),
				E('th', {'class': 'th'}, _('Interface name','interface name in usteer overview')),
				E('th', {'class': 'th'}, _('BSSID')),
				E('th', {'class': 'th'}, _('SSID')),
				E('th', {'class': 'th'}, _('Frequency','BSS operating frequency in usteer overview')),
				E('th', {'class': 'th'}, _('N','Number of associated clients in usteer overview')),
				E('th', {'class': 'th'}, _('Noise','Channel noise in usteer overview')),
				E('th', {'class': 'th'}, _('Load','Channel load in usteer overview')),
				E('th', {'class': 'th'}, _('Max assoc','Max associated clients in usteer overview')),
				E('th', {'class': 'th'}, _('Roam src','Roam source in usteer overview')),
				E('th', {'class': 'th'}, _('Roam tgt','Roam target in usteer overview'))
			])
		]);
		var connectioninfo_table_entries = [];
		collectWlanAPInfoEntries(connectioninfo_table_entries, Localinfo);
		collectWlanAPInfoEntries(connectioninfo_table_entries, Remoteinfo);

		cbi_update_table(connectioninfo_table, connectioninfo_table_entries, E('em', _('No data')));
		body.appendChild(connectioninfo_table);
		var compactconnectioninfo_table = E('table', {'class': 'table cbi-section-table','id': 'compactconnectioninfo_table'}, [
			E('tr', {'class': 'tr table-titles'}, [
				E('th', {'class': 'th'}, _('AP','Name or IP address of access point')),
				E('th', {'class': 'th'}, _('Interface name','interface name in usteer overview')),
				E('th', {'class': 'th'}, _('SSID')),
				E('th', {'class': 'th'}, _('Frequency', 'BSS operating frequency in usteer overview')),
				E('th', {'class': 'th'}, _('Load', 'Channel load in usteer overview')),
				E('th', {'class': 'th'}, _('N', 'Number of associated clients in usteer overview')),
				E('th', {'class': 'th'}, _('Host', 'host hint in usteer overview'))
			])
		]);
		var compactconnectioninfo_table_entries = [];
		collectWlanAPInfos(compactconnectioninfo_table_entries, Localinfo);
		collectWlanAPInfos(compactconnectioninfo_table_entries, Remoteinfo);
		cbi_update_table(compactconnectioninfo_table, compactconnectioninfo_table_entries, E('em', _('No data')));
		body.appendChild(compactconnectioninfo_table);
		return E('div', {'class': 'cbi-section cbi-tblsection'}, [body]);
	}
});

var Settingstitle = form.DummyValue.extend({
	renderWidget: function () {
		var body = E([
			E('h3', _('Settings')),
			E('div',
				_('The first four options below are mandatory.') + ' ' +
				_('Also be sure to enable rrm reports, 80211kv, etc.') + ' ' +
				_('See <a %s>documentation</a>').format('href="https://openwrt.org/docs/guide-user/network/wifi/usteer"')
			),
		]);
		return E('div', [body]);
	}
});

var footerdata;
var Settingsfooter = form.DummyValue.extend({
	renderWidget: function () {
		var body = E([
			E('body', footerdata),
		]);
		return E('div', {'style': 'width:100%'}, [footerdata]);
	}
});


return view.extend({
	callHostHints: rpc.declare({
		object: 'luci-rpc',
		method: 'getHostHints',
		expect: {'': {}}
	}),
	callGetRemotehosts: rpc.declare({
		object: 'usteer',
		method: 'remote_hosts',
		expect: {'': {}}
	}),
	callGetRemoteinfo: rpc.declare({
		object: 'usteer',
		method: 'remote_info',
		expect: {'': {}}
	}),
	callGetLocalinfo: rpc.declare({
		object: 'usteer',
		method: 'local_info',
		expect: {'': {}}
	}),
	callGetClients: rpc.declare({
		object: 'usteer',
		method: 'get_clients',
		expect: {'': {}}
	}),
	load: function () {
		return Promise.all([
			rpc.list('usteer'),
			this.callHostHints().catch (function (){return null;}),
			this.callGetRemotehosts().catch (function (){return null;}),
			this.callGetRemoteinfo().catch (function (){return null;}),
			this.callGetLocalinfo().catch (function (){return null;}),
			this.callGetClients().catch (function (){return null;}),
			network.getWifiNetworks()
		]);
	},

	poll_status: function(nodes, data) {

		Hosts = data[1];
		Remotehosts = data[2];
		Remoteinfo = data[3];
		Localinfo = data[4];
		Clients = data[5];

		var remotehosttableentries = [];
		collectRemoteHosts(remotehosttableentries,Remotehosts);
		cbi_update_table(nodes.querySelector('#remotehost_table'), remotehosttableentries, E('em', _('No data')));

		var connectioninfo_table_entries = [];
		collectWlanAPInfoEntries(connectioninfo_table_entries, Localinfo);
		collectWlanAPInfoEntries(connectioninfo_table_entries, Remoteinfo);
		cbi_update_table(nodes.querySelector('#connectioninfo_table'), connectioninfo_table_entries, E('em', _('No data')));

		var compactconnectioninfo_table_entries = [];
		collectWlanAPInfos(compactconnectioninfo_table_entries, Localinfo);
		collectWlanAPInfos(compactconnectioninfo_table_entries, Remoteinfo);
		cbi_update_table(nodes.querySelector('#compactconnectioninfo_table'), compactconnectioninfo_table_entries, E('em', _('No data')));
		
		for (var mac in Clients) {
			var macn = mac.toUpperCase().replace(/:/g,'');
			var client_table_entries = [];
			collectHearingClient(client_table_entries, mac);
			cbi_update_table(nodes.querySelector('#client_table'+macn), client_table_entries, E('em', _('No data')));
		}
		return;
	},

	render: function (data) {
		var m, s, o;

		if (!('usteer' in data[0])) {
			m = new form.Map('usteer', _('Usteer'),
				_('Usteer is not running. Make sure it is installed and running.') +
				_('To start it running try %s').format('<code>/etc/init.d/usteer start</code>')
			);
			return m.render();
		}

		m = new form.Map('usteer', _('Usteer'));

		Hosts = data[1];
		Remotehosts = data[2];
		Remoteinfo = data[3];
		Localinfo = data[4];
		Clients = data[5];
		WifiNetworks = data[6];

		s = m.section(form.TypedSection);
		s.anonymous = true;
		s.tab('status', _('Status'));
		s.tab('hearingmap', _('Hearing map'));
		s.tab('settings', _('Settings'));

		o = s.taboption('status', Clientinfooverview);
		o.readonly = true;

		o = s.taboption('hearingmap', HearingMap);
		o.readonly = true;

		o = s.taboption('settings', Settingstitle);
		o.readonly = true;

		o = s.taboption('settings', widgets.NetworkSelect, 'network', _('Network'), _('The network interface for inter-AP communication'));

		o = s.taboption('settings', form.Flag, 'syslog', _('Log messages to syslog'));
		o.default = '1';
		o.rmempty = false;

		o = s.taboption('settings', form.Flag, 'ipv6', _('IPv6 mode'), _('Use IPv6 for remote exchange'));
		o.rmempty = false;

		o = s.taboption('settings', form.ListValue, 'debug_level', _('Debug level'));
		o.value('0', _('Fatal'));
		o.value('1', _('Info'));
		o.value('2', _('Verbose'));
		o.value('3', _('Some debug'));
		o.value('4', _('Network packet info'));
		o.value('5', _('All debug messages'));
		o.rmempty = false;
		o.editable = true;

		o = s.taboption('settings', form.Value, 'max_neighbour_reports', _('Max neighbour reports'), _('Maximum number of neighbor reports set for a node'));
		o.optional = true;
		o.placeholder = 8;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'sta_block_timeout', _('Sta block timeout'), _('Maximum amount of time (ms) a station may be blocked due to policy decisions'));
		o.optional = true;
		o.placeholder = 30000;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'local_sta_timeout', _('Local sta timeout'), _('Maximum amount of time (ms) a local unconnected station is tracked'));
		o.optional = true;
		o.placeholder = 12000;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'measurement_report_timeout', _('Measurement report timeout'), _('Maximum amount of time (ms) a measurement report is stored'));
		o.optional = true;
		o.placeholder = 120000;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'local_sta_update', _('Local sta update'), _('Local station information update interval (ms)'));
		o.optional = true;
		o.placeholder = 1000;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'max_retry_band', _('Max retry band'), _('Maximum number of consecutive times a station may be blocked by policy'));
		o.optional = true;
		o.placeholder = 5;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'seen_policy_timeout', _('Seen policy timeout'), _('Maximum idle time of a station entry (ms) to be considered for policy decisions'));
		o.optional = true;
		o.placeholder = 30000;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'load_balancing_threshold', _('Load balancing threshold'), _('Minimum number of stations delta between APs before load balancing policy is active'));
		o.optional = true;
		o.placeholder = 0;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'band_steering_threshold', _('Band steering threshold'), _('Minimum number of stations delta between bands before band steering policy is active'));
		o.optional = true;
		o.placeholder = 5;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'remote_update_interval', _('Remote update interval'), _('Interval (ms) between sending state updates to other APs'));
		o.optional = true;
		o.placeholder = 1000;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'remote_node_timeout', _('Remote node timeout'), _('Number of remote update intervals after which a remote-node is deleted'));
		o.optional = true;
		o.placeholder = 10;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Flag, 'assoc_steering', _('Assoc steering'), _('Allow rejecting assoc requests for steering purposes'));
		o.optional = true;

		o = s.taboption('settings', form.Flag, 'probe_steering', _('Probe steering'), _('Allow ignoring probe requests for steering purposes'));
		o.optional = true;

		o = s.taboption('settings', form.Value, 'min_connect_snr', _('Min connect SNR'), _('Minimum signal-to-noise ratio or signal level (dBm) to allow connections'));
		o.optional = true;
		o.placeholder = 0;
		o.datatype = 'integer';

		o = s.taboption('settings', form.Value, 'min_snr', _('Min SNR'), _('Minimum signal-to-noise ratio or signal level (dBm) to remain connected'));
		o.optional = true;
		o.placeholder = 0;
		o.datatype = 'integer';

		o = s.taboption('settings', form.Value, 'min_snr_kick_delay', _('Min SNR kick delay'), _('Timeout after which a station with SNR < min_SNR will be kicked'));
		o.optional = true;
		o.placeholder = 5000;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'roam_process_timeout', _('Roam process timeout'), _('Timeout (in ms) after which a association following a disassociation is not seen as a roam'));
		o.optional = true;
		o.placeholder = 5000;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'roam_scan_snr', _('Roam scan SNR'), _('Minimum signal-to-noise ratio or signal level (dBm) before attempting to trigger client scans for roam'));
		o.optional = true;
		o.placeholder = 0;
		o.datatype = 'integer';

		o = s.taboption('settings', form.Value, 'roam_scan_tries', _('Roam scan tries'), _('Maximum number of client roaming scan trigger attempts'));
		o.optional = true;
		o.placeholder = 3;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'roam_scan_timeout', _('Roam scan timeout'),
			_('Retry scanning when roam_scan_tries is exceeded after this timeout (in ms).') +
			_(' In case this option is disabled, the client is kicked instead')
		);
		o.optional = true;
		o.placeholder = 0;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'roam_scan_interval', _('Roam scan interval'), _('Minimum time (ms) between client roaming scan trigger attempts'));
		o.optional = true;
		o.placeholder = 10000;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'roam_trigger_snr', _('Roam trigger SNR'), _('Minimum signal-to-noise ratio or signal level (dBm) before attempting to trigger forced client roaming'));
		o.optional = true;
		o.placeholder = 0;
		o.datatype = 'integer';

		o = s.taboption('settings', form.Value, 'roam_trigger_interval', _('Roam trigger interval'), _('Minimum time (ms) between client roaming trigger attempts'));
		o.optional = true;
		o.placeholder = 60000;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'roam_kick_delay', _('Roam kick delay'), _('Timeout (in 100ms beacon intervals) for client roam requests'));
		o.optional = true;
		o.placeholder = 100;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'signal_diff_threshold', _('Signal diff threshold'), _('Minimum signal strength difference until AP steering policy is active'));
		o.optional = true;
		o.placeholder = 0;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'initial_connect_delay', _('Initial connect delay'), _('Initial delay (ms) before responding to probe requests (to allow other APs to see packets as well)'));
		o.optional = true;
		o.placeholder = 0;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Flag, 'load_kick_enabled', _('Load kick enabled'), _('Enable kicking client on excessive channel load'));
		o.optional = true;

		o = s.taboption('settings', form.Value, 'load_kick_threshold', _('Load kick threshold'), _('Minimum channel load (%) before kicking clients'));
		o.optional = true;
		o.placeholder = 75;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'load_kick_delay', _('Load kick delay'), _('Minimum amount of time (ms) that channel load is above threshold before starting to kick clients'));
		o.optional = true;
		o.placeholder = 10000;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'load_kick_min_clients', _('Load kick min clients'), _('Minimum number of connected clients before kicking based on channel load'));
		o.optional = true;
		o.placeholder = 10;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'load_kick_reason_code', _('Load kick reason code'),
			_('Reason code on client kick based on channel load.') + ' Default: WLAN_REASON_DISASSOC_AP_BUSY)'
		);
		o.optional = true;
		o.placeholder = 5;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'band_steering_interval', _('Band steering interval'), _('Attempting to steer clients to a higher frequency-band every n ms. A value of 0 disables band-steering.'));
		o.optional = true;
		o.placeholder = 120000;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'band_steering_min_snr', _('Band steering min SNR'), _('Minimal SNR or absolute signal a device has to maintain over band_steering_interval to be steered to a higher frequency band.'));
		o.optional = true;
		o.placeholder = -60;
		o.datatype = 'integer';

		o = s.taboption('settings', form.Value, 'link_measurement_interval', _('Link measurement interval'),
			_('Interval (ms) the device is sent a link-measurement request to help assess the bi-directional link quality.') +
			_('Setting the interval to 0 disables link-measurements.')
		);
		o.optional = true;
		o.placeholder = 30000;
		o.datatype = 'uinteger';

		o = s.taboption('settings', form.Value, 'node_up_script', _('Node up script'), _('Script to run after bringing up a node'));
		o.optional = true;
		o.datatype = 'string';

		o = s.taboption('settings', form.MultiValue, 'event_log_types', _('Event log types'), _('Message types to include in log.'));
		o.value('probe_req_accept');
		o.value('probe_req_deny');
		o.value('auth_req_accept');
		o.value('auth_req_deny');
		o.value('assoc_req_accept');
		o.value('assoc_req_deny');
		o.value('load_kick_trigger');
		o.value('load_kick_reset');
		o.value('load_kick_min_clients');
		o.value('load_kick_no_client');
		o.value('load_kick_client');
		o.value('signal_kick');
		o.optional = true;
		o.datatype = 'list(string)';

		o = s.taboption('settings', form.MultiValue, 'ssid_list', _('SSID list'), _('List of SSIDs to enable steering on'));
		WifiNetworks.forEach(function (wifiNetwork) {
			if (wifiNetwork.getSSID()) {
				o.value(wifiNetwork.getSSID())
			}
		});
		o.optional = true;
		o.datatype = 'list(string)';

		footerdata = this.super('addFooter', []);
		o = s.taboption('settings', Settingsfooter);
		o.readonly = true;

		return m.render().then(L.bind(function(m, nodes) {
			poll.add(L.bind(function() {
				return Promise.all([
				rpc.list('usteer'),
				this.callHostHints().catch (function (){return null;}),
				this.callGetRemotehosts().catch (function (){return null;}),
				this.callGetRemoteinfo().catch (function (){return null;}),
				this.callGetLocalinfo().catch (function (){return null;}),
				this.callGetClients().catch (function (){return null;})
				]).then(L.bind(this.poll_status, this, nodes));
			}, this), 5);
			return nodes;
		}, this, m));
	},


	addFooter: function () {
		return null;
	},
});