'use strict';
'require view';
'require fs';
'require form';
'require poll';
'require uci';
'require rpc';
'require tools.widgets as widgets';

const callServiceList = rpc.declare({
	object: 'service',
	method: 'list',
	params: ['name'],
	expect: { '': {} }
});

function getServiceStatus() {
	return L.resolveDefault(callServiceList('msd_lite'), {}).then((res) => {
		var isRunning = false;
		try {
			isRunning = res['msd_lite']?.['instances']?.['msd_lite-c']?.['running'] || false;
		} catch (e) {
			console.error('Error checking service status:', e);
		}
		return isRunning;
	});
}

function renderStatus(isRunning) {
	var spanTemp = '<em><span style="color:%s"><strong>%s %s</strong></span></em>';
	var renderHTML;
	if (isRunning)
		renderHTML = spanTemp.format('green', _('msd_lite'), _('Running'));
	else
		renderHTML = spanTemp.format('red', _('msd_lite'), _('Not Running'));

	return renderHTML;
}

return view.extend({
	load: function () {
		return Promise.all([
			uci.load('msd_lite')
		]);
	},

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

		m = new form.Map('msd_lite', _('Multi Stream daemon Lite'),
			_('The lightweight version of Multi Stream daemon (msd) for organizing IPTV streaming over HTTP.'));

		// Status section
		s = m.section(form.TypedSection, null, _('Service Status'));
		s.anonymous = true;
		s.render = function () {
			poll.add(function () {
				return L.resolveDefault(getServiceStatus()).then((res) => {
					var view = document.getElementById('service_status');
					if (view) {
						view.innerHTML = renderStatus(res);
					}
				});
			}, 5);

			return E('div', { class: 'cbi-section', id: 'status_bar' }, [
				E('p', { id: 'service_status' }, _('Collecting data...'))
			]);
		}

		s = m.section(form.NamedSection, 'default', 'msd_lite');
        s.tab('settings', _('Basic Settings'));

		o = s.taboption('settings', form.Flag, 'enabled', _('Enable'), _('Enable Msd_lite service'));
		o.rmempty = false;

		o = s.taboption('settings', form.DynamicList, 'address', _('Bind address'));
		o.datatype = 'ipaddrport';
		o.rmempty = false;
		o.placeholder = '0.0.0.0:8080';

		o = s.taboption('settings', widgets.NetworkSelect, 'network', _('Source interface'),
			_('Used for receiving multicast.'));
		o.nocreate = true;
		o.optional = true;

		o = s.taboption('settings', form.Value, 'threads', _('Worker threads'),
			_('Set 0 or leave empty to auto detect.'));
		o.datatype = 'uinteger';
		o.placeholder = '0';

		o = s.taboption('settings', form.Flag, 'bind_to_cpu', _('Bind threads to CPUs'));
		o.default = o.disabled;

		o = s.taboption('settings', form.Flag, 'drop_slow_clients', _('Disconnect slow clients'));
		o.default = o.disabled;

		o = s.taboption('settings', form.Value, 'precache_size', _('Pre cache size'));
		o.datatype = 'uinteger';
		o.placeholder = '4096';

		o = s.taboption('settings', form.Value, 'ring_buffer_size', _('Ring buffer size'),
			_('Stream receive ring buffer size.'));
		o.datatype = 'uinteger';
		o.placeholder = '1024';

		o = s.taboption('settings', form.Value, 'multicast_recv_buffer_size', _('Receive buffer size'),
			_('Multicast socket receive buffer size.'));
		o.datatype = 'uinteger';
		o.placeholder = '512';

		o = s.taboption('settings', form.Value, 'multicast_recv_timeout', _('Receive timeout'),
			_('Multicast receive timeout (seconds).'));
		o.datatype = 'uinteger';
		o.placeholder = '2';

		o = s.taboption('settings', form.Value, 'rejoin_time', _('IGMP/MLD rejoin time'),
			_('IGMP/MLD leave+join interval in seconds. 0 disables.'));
		o.datatype = 'uinteger';
		o.placeholder = '0';

		o = s.taboption('settings', form.ListValue, 'loglevel', _('Log Level'),
			_('Syslog severity level: 0=emerg, 7=debug'));
		for (let i = 0; i <= 7; i++) {
			o.value(i.toString(), i.toString());
		}
		o.default = '0';

		return m.render();
	}
});