L.ui.view.extend({
	title: L.tr('Processes'),
	description: L.tr('This list gives an overview over currently running system processes and their status.'),

	getProcessList: L.rpc.declare({
		object: 'luci2.system',
		method: 'process_list',
		expect: { processes: [ ] },
		filter: function(data) {
			data.sort(function(a, b) { return a.pid - b.pid });
			return data;
		}
	}),

	sendSignal: L.rpc.declare({
		object: 'luci2.system',
		method: 'process_signal',
		params: [ 'pid', 'signal' ],
		filter: function(data) {
			return (data == 0);
		}
	}),

	execute: function() {
		var self = this;
		var allow_signals = this.options.acls.status;
		return self.getProcessList().then(function(list) {
			var procTable = new L.ui.table({
				columns: [ {
					caption: L.tr('PID'),
					key:     'pid'
				}, {
					caption: L.tr('Owner'),
					key:     'user'
				}, {
					caption: L.tr('Command'),
					key:     'command'
				}, {
					caption: L.tr('CPU usage (%)'),
					key:     'cpu_percent',
					format:  '%d%%'
				}, {
					caption: L.tr('Memory usage (%)'),
					key:     'vsize_percent',
					format:  '%d%%'
				}, {
					key:    'pid',
					format: function(v, n) {
						return $('<div />')
							.addClass('btn-group')
							.append($('<button />')
								.addClass('btn btn-primary btn-sm dropdown-toggle')
								.attr('data-toggle', 'dropdown')
								.text(L.tr('Signal…')))
							.append($('<ul />')
								.addClass('dropdown-menu pull-right')
								.append($('<li />')
									.append($('<a />')
										.attr('href', '#')
										.html('%s (<code>%s</code>)'.format(L.trc('UNIX signal', 'Reload'), 'HUP'))
										.click(function(ev) { self.sendSignal(v, 1).then(status); ev.preventDefault(); })))
								.append($('<li />')
									.append($('<a />')
										.attr('href', '#')
										.html('%s (<code>%s</code>)'.format(L.trc('UNIX signal', 'Terminate'), 'TERM'))
										.click(function(ev) { self.sendSignal(v, 15).then(status); ev.preventDefault(); })))
								.append($('<li />')
									.append($('<a />')
										.attr('href', '#')
										.html('%s (<code>%s</code>)'.format(L.trc('UNIX signal', 'Kill immediately'), 'KILL'))
										.click(function(ev) { self.sendSignal(v, 9).then(status); ev.preventDefault(); }))))
					}
				} ]
			});

			procTable.rows(list);
			procTable.insertInto('#process_table');
		});
	}
});