Ext.define('PMG.Dashboard', {
    extend: 'Ext.panel.Panel',
    xtype: 'pmgDashboard',

    controller: {
	xclass: 'Ext.app.ViewController',

	openDashboardOptions: function() {
	    var me = this;
	    var viewModel = me.getViewModel();
	    Ext.create('Ext.window.Window', {
		modal: true,
		width: 300,
		title: gettext('Dashboard Options'),
		layout: {
		    type: 'auto'
		},
		items: [{
		    xtype: 'form',
		    bodyPadding: 10,
		    defaultButton: 'savebutton',
		    items: [{
			xtype: 'proxmoxintegerfield',
			itemId: 'hours',
			labelWidth: 100,
			anchor: '100%',
			allowBlank: false,
			minValue: 1,
			maxValue: 24,
			value: viewModel.get('hours'),
			fieldLabel: gettext('Hours to show')
		    }],
		    buttons: [{
			text: gettext('Save'),
			reference: 'loginButton',
			formBind: true,
			handler: function() {
			    var win = this.up('window');
			    var hours = win.down('#hours').getValue();
			    me.setHours(hours, true);
			    win.close();
			}
		    }]
		}],
	    }).show();
	},

	setHours: function(hours, setState) {
	    var me = this;
	    var viewModel = me.getViewModel();
	    viewModel.set('hours', hours);
	    viewModel.notify();

	    Ext.Array.forEach(['recentmails', 'receivers'], function(item) {
		viewModel.get(item).load();
	    });

	    if (setState) {
		var sp = Ext.state.Manager.getProvider();
		sp.set('dashboard-hours', hours);
	    }
	},

	updateMailStats: function(store, records, success) {
	    if (!success) {
		return;
	    }
	    var me = this;
	    var viewModel = me.getViewModel();

	    var count = 0;
	    var bytes_in = 0;
	    var bytes_out = 0;
	    var ptime = 0;
	    var avg_ptime = 0;

	    records.forEach(function(item) {
		bytes_in += item.data.bytes_in;
		bytes_out += item.data.bytes_out;
		// unnormalize
		count += (item.data.count*item.data.timespan)/60;
		ptime += item.data.ptimesum;
	    });

	    if (count) {
		avg_ptime = (ptime/count).toFixed(2);
	    }

	    viewModel.set('bytes_in', Proxmox.Utils.format_size(bytes_in));
	    viewModel.set('bytes_out', Proxmox.Utils.format_size(bytes_out));
	    viewModel.set('avg_ptime', avg_ptime + " s");
	},

	updateClusterStats: function(store, records, success) {
	    if (!success) {
		return;
	    }
	    var me = this;
	    var viewmodel = me.getViewModel();

	    var subStatus = 2; // 2 = all good, 1 = different leves, 0 = none
	    var subLevel = "";

	    var cpu = 0;
	    var mem = 0;
	    var hd = 0;
	    var count = records.length;

	    records.forEach(function(item) {
		// subscription level check
		if (subStatus && item.data.level) {
		    if (subLevel !== "" && subLevel !== item.data.level) {
			subStatus = 1;
		    } else if (subLevel === "") {
			subLevel = item.data.level;
		    }
		} else {
		    subStatus = 0;
		}

		// resources count
		cpu += item.data.cpu;
		mem += (item.data.memory.used/item.data.memory.total);
		hd += (item.data.rootfs.used/item.data.rootfs.total);
	    });

	    var subscriptionPanel = me.lookup('subscription');
	    subscriptionPanel.setSubStatus(subStatus);

	    cpu = cpu/count;
	    mem = mem/count;
	    hd = hd/count;

	    var cpuPanel = me.lookup('cpu');
	    cpuPanel.updateValue(cpu);

	    var memPanel = me.lookup('mem')
	    memPanel.updateValue(mem);

	    var hdPanel = me.lookup('hd')
	    hdPanel.updateValue(hd);
	},

	init: function(view) {
	    var me = this;
	    var sp = Ext.state.Manager.getProvider();
	    var hours = sp.get('dashboard-hours') || 12;
	    me.setHours(hours, false);
	}
    },

    viewModel: {
	data: {
	    timespan: 300, // in seconds
	    hours: 12, // in hours
	    'bytes_in': 0,
	    'bytes_out': 0,
	    'avg_ptime': 0.0,
	},

	stores: {
	    cluster: {
		storeid: 'dash-cluster',
		type: 'update',
		interval: 5000,
		autoStart: true,
		autoLoad: true,
		autoDestroy: true,
		proxy: {
		    type: 'proxmox',
		    url: '/api2/json/config/cluster/status'
		},
		listeners: {
		    load: 'updateClusterStats'
		}
	    },
	    recentmails: {
		storeid: 'dash-recent',
		interval: 5000,
		type: 'update',
		autoStart: true,
		autoLoad: true,
		autoDestroy: true,
		proxy: {
		    type: 'proxmox',
		    url: '/api2/json/statistics/recent',
		    extraParams: {
			hours: '{hours}',
			timespan: '{timespan}'
		    }
		},
		fields: [
		    {
			type: 'number', name: 'count',
			convert: PMG.Utils.convert_field_to_per_min
		    },
		    {
			type: 'number', name: 'count_in',
			convert: PMG.Utils.convert_field_to_per_min
		    },
		    {
			type: 'number', name: 'count_out',
			convert: PMG.Utils.convert_field_to_per_min
		    },
		    {
			type: 'number', name: 'spam',
			convert: PMG.Utils.convert_field_to_per_min
		    },
		    {
			type: 'number', name: 'spam_in',
			convert: PMG.Utils.convert_field_to_per_min
		    },
		    {
			type: 'number', name: 'spam_out',
			convert: PMG.Utils.convert_field_to_per_min
		    },
		    {
			type: 'number', name: 'virus',
			convert: PMG.Utils.convert_field_to_per_min
		    },
		    {
			type: 'number', name: 'virus_in',
			convert: PMG.Utils.convert_field_to_per_min
		    },
		    { type: 'integer', name: 'virus_out' },
		    { type: 'integer', name: 'bytes_in' },
		    { type: 'integer', name: 'bytes_out' },
		    { type: 'number', name: 'ptimesum' },
		    { type: 'date', dateFormat: 'timestamp', name: 'time' }
		],
		listeners: {
		    load: 'updateMailStats'
		}
	    },
	    receivers: {
		storeid: 'dash-receivers',
		interval: 10000,
		type: 'update',
		autoStart: true,
		autoLoad: true,
		autoDestroy: true,
		proxy: {
		    type: 'proxmox',
		    url: '/api2/json/statistics/recentreceivers',
		    extraParams: {
			hours: '{hours}',
		    }
		},
		fields: [
		    { type: 'integer', name: 'count' },
		    { type: 'string', name: 'receiver' }
		]
	    }
	}
    },

    bind: {
	title: gettext('Dashboard') + ' (' +
	    Ext.String.format(gettext('{0} hours'), '{hours}') + ')'
    },

    layout: 'column',
    border: false,

    bodyPadding: '20 0 0 20',

    defaults: {
	columnWidth: 0.5,
	xtype: 'panel',
	margin: '0 20 20 0'
    },

    tools: [
	{
	    type: 'gear',
	    handler: 'openDashboardOptions'
	}
    ],

    scrollable: true,

    items: [
	{
	    height: 300,
	    flex: 1,
	    iconCls: 'fa fa-tachometer',
	    title: gettext('E-Mail Volume'),
	    layout: {
		type: 'vbox',
		align: 'stretch',
	    },
	    defaults: {
		xtype: 'pmgMiniGraph',
		bind: {
		    store: '{recentmails}'
		}
	    },
	    items: [
		{
		    fields: ['count'],
		    fieldTitles: [ gettext('Mails / min') ],
		    seriesConfig: {
			colors: [ '#00617F' ],
			style: {
			    opacity: 0.60,
			    lineWidth: 1
			},
			highlightCfg: {
			    opacity: 1,
			    scaling: 1
			},
		    },
		},
		{
		    fields: ['spam'],
		    fieldTitles: [ gettext('Spam / min') ],
		    seriesConfig: {
			colors: [ '#E67300' ],
			style: {
			    opacity: 0.60,
			    lineWidth: 1
			},
			highlightCfg: {
			    opacity: 1,
			    scaling: 1
			},
		    },
		},
	    ]
	},
	{
	    xtype: 'container',
	    height: 300,
	    layout: {
		type: 'vbox',
		align: 'stretch',
	    },
	    items: [
		{
		    xtype: 'pmgMailProcessing',
		    title: gettext('E-Mail Processing'),
		    iconCls: 'fa fa-hourglass-half',
		    height: 180,
		    bind: {
			data: {
			    'in': '{bytes_in}',
			    'out': '{bytes_out}',
			    'ptime': '{avg_ptime}'
			}
		    },
		},
		{
		    iconCls: 'fa fa-ticket',
		    title: 'Subscription',
		    reference: 'subscription',
		    xtype: 'pmgSubscriptionInfo',
		    margin: '10 0 0 0',
		    height: 110,
		}
	    ]
	},
	{
	    height: 250,
	    iconCls: 'fa fa-tasks',
	    title: 'Node Resources',
	    bodyPadding: '0 20 0 20',
	    layout: {
		type: 'hbox',
		align: 'center'
	    },
	    defaults: {
		xtype: 'proxmoxGauge',
		spriteFontSize: '20px',
		flex: 1
	    },
	    items: [
		{
		    title: gettext('CPU'),
		    reference: 'cpu'
		},
		{
		    title: gettext('Memory'),
		    reference: 'mem'
		},
		{
		    title: gettext('Storage'),
		    reference: 'hd'
		}
	    ]
	},
	{
	    height: 250,
	    iconCls: 'fa fa-list',
	    title: gettext('Top Receivers'),

	    bodyPadding: 20,
	    layout: {
		type: 'vbox',
		pack: 'center',
		align: 'stretch'
	    },
	    items: [{
		xtype: 'grid',
		bind: {
		    store: '{receivers}'
		},

		emptyText: gettext('No data in database'),

		// remove all borders/lines/headers
		border: false,
		bodyBorder: false,
		hideHeaders: true,
		header: false,
		columnLines: false,
		rowLines: false,
		viewConfig: {
		    stripeRows: false,
		},

		columns: [
		    {
			dataIndex: 'receiver',
			flex: 1,
			text: gettext('Receiver')
		    },
		    {
			dataIndex: 'count',
			align: 'right',
			text: gettext('Count')
		    }
		]
	    }]
	}
    ]
});