Ext.define('apt-pkglist', {
    extend: 'Ext.data.Model',
    fields: ['Package', 'Title', 'Description', 'Section', 'Arch',
	      'Priority', 'Version', 'OldVersion', 'ChangeLogUrl', 'Origin'],
    idProperty: 'Package',
});

Ext.define('Proxmox.node.APT', {
    extend: 'Ext.grid.GridPanel',

    xtype: 'proxmoxNodeAPT',

    upgradeBtn: undefined,

    columns: [
	{
	    header: gettext('Package'),
	    width: 200,
	    sortable: true,
	    dataIndex: 'Package',
	},
	{
	    text: gettext('Version'),
	    columns: [
		{
		    header: gettext('current'),
		    width: 100,
		    sortable: false,
		    dataIndex: 'OldVersion',
		},
		{
		    header: gettext('new'),
		    width: 100,
		    sortable: false,
		    dataIndex: 'Version',
		},
	    ],
	},
	{
	    header: gettext('Description'),
	    sortable: false,
	    dataIndex: 'Title',
	    flex: 1,
	},
    ],

    initComponent: function() {
	let me = this;

	if (!me.nodename) {
	    throw "no node name specified";
	}

	let store = Ext.create('Ext.data.Store', {
	    model: 'apt-pkglist',
	    groupField: 'Origin',
	    proxy: {
		type: 'proxmox',
		url: "/api2/json/nodes/" + me.nodename + "/apt/update",
	    },
	    sorters: [
		{
		    property: 'Package',
		    direction: 'ASC',
		},
	    ],
	});

	let groupingFeature = Ext.create('Ext.grid.feature.Grouping', {
            groupHeaderTpl: '{[ "Origin: " + values.name ]} ({rows.length} Item{[values.rows.length > 1 ? "s" : ""]})',
	    enableGroupingMenu: false,
	});

	let rowBodyFeature = Ext.create('Ext.grid.feature.RowBody', {
            getAdditionalData: function(data, rowIndex, record, orig) {
		let headerCt = this.view.headerCt;
		let colspan = headerCt.getColumnCount();
		return {
		    rowBody: '<div style="padding: 1em">' +
			Ext.String.htmlEncode(data.Description) +
			'</div>',
		    rowBodyCls: me.full_description ? '' : Ext.baseCSSPrefix + 'grid-row-body-hidden',
		    rowBodyColspan: colspan,
		};
	    },
	});

	let reload = function() {
	    store.load();
	};

	Proxmox.Utils.monStoreErrors(me, store, true);

	let apt_command = function(cmd) {
	    Proxmox.Utils.API2Request({
		url: "/nodes/" + me.nodename + "/apt/" + cmd,
		method: 'POST',
		failure: function(response, opts) {
		    Ext.Msg.alert(gettext('Error'), response.htmlStatus);
		},
		success: function(response, opts) {
		    let upid = response.result.data;

		    let win = Ext.create('Proxmox.window.TaskViewer', {
			upid: upid,
		    });
		    win.show();
		    me.mon(win, 'close', reload);
		},
	    });
	};

	let sm = Ext.create('Ext.selection.RowModel', {});

	let update_btn = new Ext.Button({
	    text: gettext('Refresh'),
	    handler: function() {
		Proxmox.Utils.checked_command(function() { apt_command('update'); });
	    },
	});

	let show_changelog = function(rec) {
	    if (!rec || !rec.data || !(rec.data.ChangeLogUrl && rec.data.Package)) {
		return;
	    }

	    let view = Ext.createWidget('component', {
		autoScroll: true,
		style: {
		    'background-color': 'white',
		    'white-space': 'pre',
		    'font-family': 'monospace',
		    padding: '5px',
		},
	    });

	    let win = Ext.create('Ext.window.Window', {
		title: gettext('Changelog') + ": " + rec.data.Package,
		width: 800,
		height: 400,
		layout: 'fit',
		modal: true,
		items: [view],
	    });

	    Proxmox.Utils.API2Request({
		waitMsgTarget: me,
		url: "/nodes/" + me.nodename + "/apt/changelog",
		params: {
		    name: rec.data.Package,
		    version: rec.data.Version,
		},
		method: 'GET',
		failure: function(response, opts) {
		    win.close();
		    Ext.Msg.alert(gettext('Error'), response.htmlStatus);
		},
		success: function(response, opts) {
		    win.show();
		    view.update(Ext.htmlEncode(response.result.data));
		},
	    });
	};

	let changelog_btn = new Proxmox.button.Button({
	    text: gettext('Changelog'),
	    selModel: sm,
	    disabled: true,
	    enableFn: function(rec) {
		if (!rec || !rec.data || !(rec.data.ChangeLogUrl && rec.data.Package)) {
		    return false;
		}
		return true;
	    },
	    handler: function(b, e, rec) {
		show_changelog(rec);
	    },
	});

	let verbose_desc_checkbox = new Ext.form.field.Checkbox({
	    boxLabel: gettext('Show details'),
	    value: false,
	    listeners: {
		change: (f, val) => {
		    me.full_description = val;
		    me.getView().refresh();
		},
	    },
	});

	if (me.upgradeBtn) {
	    me.tbar = [update_btn, me.upgradeBtn, changelog_btn, '->', verbose_desc_checkbox];
	} else {
	    me.tbar = [update_btn, changelog_btn, '->', verbose_desc_checkbox];
	}

	Ext.apply(me, {
	    store: store,
	    stateful: true,
	    stateId: 'grid-update',
	    selModel: sm,
            viewConfig: {
		stripeRows: false,
		emptyText: '<div style="display:table; width:100%; height:100%;"><div style="display:table-cell; vertical-align: middle; text-align:center;"><b>' + gettext('No updates available.') + '</div></div>',
	    },
	    features: [groupingFeature, rowBodyFeature],
	    listeners: {
		activate: reload,
		itemdblclick: function(v, rec) {
		    show_changelog(rec);
		},
	    },
	});

	me.callParent();
    },
});