Ext.define('PVE.dc.BackupEdit', {
    extend: 'Proxmox.window.Edit',
    alias: ['widget.pveDcBackupEdit'],

    mixins: ['Proxmox.Mixin.CBind'],

    defaultFocus: undefined,

    subject: gettext("Backup Job"),
    bodyPadding: 0,

    url: '/api2/extjs/cluster/backup',
    method: 'POST',
    isCreate: true,

    cbindData: function() {
	let me = this;
	if (me.jobid) {
	    me.isCreate = false;
	    me.method = 'PUT';
	    me.url += `/${me.jobid}`;
	}
	return {};
    },

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

	onGetValues: function(values) {
	    let me = this;
	    let isCreate = me.getView().isCreate;
	    if (!values.node) {
		if (!isCreate) {
		    Proxmox.Utils.assemble_field_data(values, { 'delete': 'node' });
		}
		delete values.node;
	    }

	    if (!values.id && isCreate) {
		values.id = 'backup-' + Ext.data.identifier.Uuid.Global.generate().slice(0, 13);
	    }

	    let selMode = values.selMode;
	    delete values.selMode;

	    if (selMode === 'all') {
		values.all = 1;
		values.exclude = '';
		delete values.vmid;
	    } else if (selMode === 'exclude') {
		values.all = 1;
		values.exclude = values.vmid;
		delete values.vmid;
	    } else if (selMode === 'pool') {
		delete values.vmid;
	    }

	    if (selMode !== 'pool') {
		delete values.pool;
	    }
	    return values;
	},

	nodeChange: function(f, value) {
	    let me = this;
	    me.lookup('storageSelector').setNodename(value);
	    let vmgrid = me.lookup('vmgrid');
	    let store = vmgrid.getStore();

	    store.clearFilter();
	    store.filterBy(function(rec) {
		return !value || rec.get('node') === value;
	    });

	    let mode = me.lookup('modeSelector').getValue();
	    if (mode === 'all') {
		vmgrid.selModel.selectAll(true);
	    }
	    if (mode === 'pool') {
		me.selectPoolMembers();
	    }
	},

	storageChange: function(f, v) {
	    let me = this;
	    let rec = f.getStore().findRecord('storage', v, 0, false, true, true);
	    let compressionSelector = me.lookup('compressionSelector');

	    if (rec?.data?.type === 'pbs') {
		compressionSelector.setValue('zstd');
		compressionSelector.setDisabled(true);
	    } else if (!compressionSelector.getEditable()) {
		compressionSelector.setDisabled(false);
	    }
	},

	selectPoolMembers: function() {
	    let me = this;
	    let vmgrid = me.lookup('vmgrid');
	    let poolid = me.lookup('poolSelector').getValue();

	    vmgrid.getSelectionModel().deselectAll(true);
	    if (!poolid) {
		return;
	    }
	    vmgrid.getStore().filter([
		{
		    id: 'poolFilter',
		    property: 'pool',
		    value: poolid,
		},
	    ]);
	    vmgrid.selModel.selectAll(true);
	},

	modeChange: function(f, value, oldValue) {
	    let me = this;
	    let vmgrid = me.lookup('vmgrid');
	    vmgrid.getStore().removeFilter('poolFilter');

	    if (oldValue === 'all' && value !== 'all') {
		vmgrid.getSelectionModel().deselectAll(true);
	    }

	    if (value === 'all') {
		vmgrid.getSelectionModel().selectAll(true);
	    }

	    if (value === 'pool') {
		me.selectPoolMembers();
	    }
	},

	init: function(view) {
	    let me = this;
	    if (view.isCreate) {
		me.lookup('modeSelector').setValue('include');
	    } else {
		view.load({
		    success: function(response, _options) {
			let data = response.result.data;

			if (data.exclude) {
			    data.vmid = data.exclude;
			    data.selMode = 'exclude';
			} else if (data.all) {
			    data.vmid = '';
			    data.selMode = 'all';
			} else if (data.pool) {
			    data.selMode = 'pool';
			    data.selPool = data.pool;
			} else {
			    data.selMode = 'include';
			}

			me.getViewModel().set('selMode', data.selMode);

			if (data['prune-backups']) {
			    Object.assign(data, data['prune-backups']);
			    delete data['prune-backups'];
			} else if (data.maxfiles !== undefined) {
			    if (data.maxfiles > 0) {
				data['keep-last'] = data.maxfiles;
			    } else {
				data['keep-all'] = 1;
			    }
			    delete data.maxfiles;
			}

			if (data['notes-template']) {
			    data['notes-template'] =
				PVE.Utils.unEscapeNotesTemplate(data['notes-template']);
			}

			view.setValues(data);
		    },
		});
	    }
	},
    },

    viewModel: {
	data: {
	    selMode: 'include',
	},

	formulas: {
	    poolMode: (get) => get('selMode') === 'pool',
	    disableVMSelection: (get) => get('selMode') !== 'include' && get('selMode') !== 'exclude',
	},
    },

    items: [
	{
	    xtype: 'tabpanel',
	    region: 'center',
	    layout: 'fit',
	    bodyPadding: 10,
	    items: [
		{
		    xtype: 'container',
		    title: gettext('General'),
		    region: 'center',
		    layout: {
			type: 'vbox',
			align: 'stretch',
		    },
		    items: [
			{
			    xtype: 'inputpanel',
			    onlineHelp: 'chapter_vzdump',
			    column1: [
				{
				    xtype: 'pveNodeSelector',
				    name: 'node',
				    fieldLabel: gettext('Node'),
				    allowBlank: true,
				    editable: true,
				    autoSelect: false,
				    emptyText: '-- ' + gettext('All') + ' --',
				    listeners: {
					change: 'nodeChange',
				    },
				},
				{
				    xtype: 'pveStorageSelector',
				    reference: 'storageSelector',
				    fieldLabel: gettext('Storage'),
				    clusterView: true,
				    storageContent: 'backup',
				    allowBlank: false,
				    name: 'storage',
				    listeners: {
					change: 'storageChange',
				    },
				},
				{
				    xtype: 'pveCalendarEvent',
				    fieldLabel: gettext('Schedule'),
				    allowBlank: false,
				    name: 'schedule',
				},
				{
				    xtype: 'proxmoxKVComboBox',
				    reference: 'modeSelector',
				    comboItems: [
					['include', gettext('Include selected VMs')],
					['all', gettext('All')],
					['exclude', gettext('Exclude selected VMs')],
					['pool', gettext('Pool based')],
				    ],
				    fieldLabel: gettext('Selection mode'),
				    name: 'selMode',
				    value: '',
				    bind: {
					value: '{selMode}',
				    },
				    listeners: {
					change: 'modeChange',
				    },
				},
				{
				    xtype: 'pvePoolSelector',
				    reference: 'poolSelector',
				    fieldLabel: gettext('Pool to backup'),
				    hidden: true,
				    allowBlank: false,
				    name: 'pool',
				    listeners: {
					change: 'selectPoolMembers',
				    },
				    bind: {
					hidden: '{!poolMode}',
					disabled: '{!poolMode}',
				    },
				},
			    ],
			    column2: [
				{
				    xtype: 'textfield',
				    fieldLabel: gettext('Send email to'),
				    name: 'mailto',
				},
				{
				    xtype: 'pveEmailNotificationSelector',
				    fieldLabel: gettext('Email'),
				    name: 'mailnotification',
				    cbind: {
					value: (get) => get('isCreate') ? 'always' : '',
					deleteEmpty: '{!isCreate}',
				    },
				},
				{
				    xtype: 'pveCompressionSelector',
				    reference: 'compressionSelector',
				    fieldLabel: gettext('Compression'),
				    name: 'compress',
				    cbind: {
					deleteEmpty: '{!isCreate}',
				    },
				    value: 'zstd',
				},
				{
				    xtype: 'pveBackupModeSelector',
				    fieldLabel: gettext('Mode'),
				    value: 'snapshot',
				    name: 'mode',
				},
				{
				    xtype: 'proxmoxcheckbox',
				    fieldLabel: gettext('Enable'),
				    name: 'enabled',
				    uncheckedValue: 0,
				    defaultValue: 1,
				    checked: true,
				},
			    ],
			    columnB: [
				{
				    xtype: 'proxmoxtextfield',
				    name: 'comment',
				    fieldLabel: gettext('Job Comment'),
				    cbind: {
					deleteEmpty: '{!isCreate}',
				    },
				    autoEl: {
					tag: 'div',
					'data-qtip': gettext('Description of the job'),
				    },
				},
				{
				    xtype: 'vmselector',
				    reference: 'vmgrid',
				    height: 300,
				    name: 'vmid',
				    disabled: true,
				    allowBlank: false,
				    columnSelection: ['vmid', 'node', 'status', 'name', 'type'],
				    bind: {
					disabled: '{disableVMSelection}',
				    },
				},
			    ],
			    advancedColumn1: [
				{
				    xtype: 'proxmoxcheckbox',
				    fieldLabel: gettext('Repeat missed'),
				    name: 'repeat-missed',
				    uncheckedValue: 0,
				    defaultValue: 0,
				    cbind: {
					deleteDefaultValue: '{!isCreate}',
				    },
				},
			    ],
			    onGetValues: function(values) {
				return this.up('window').getController().onGetValues(values);
			    },
			},
		    ],
		},
		{
		    xtype: 'pveBackupJobPrunePanel',
		    title: gettext('Retention'),
		    cbind: {
			isCreate: '{isCreate}',
		    },
		    keepAllDefaultForCreate: false,
		    showPBSHint: false,
		    fallbackHintHtml: gettext('Without any keep option, the storage\'s configuration or node\'s vzdump.conf is used as fallback'),
		},
		{
		    xtype: 'inputpanel',
		    title: gettext('Note Template'),
		    region: 'center',
		    layout: {
			type: 'vbox',
			align: 'stretch',
		    },
		    onGetValues: function(values) {
			if (values['notes-template']) {
			    values['notes-template'] =
				PVE.Utils.escapeNotesTemplate(values['notes-template']);
			}
			return values;
		    },
		    items: [
			{
			    xtype: 'textarea',
			    name: 'notes-template',
			    fieldLabel: gettext('Backup Notes'),
			    height: 100,
			    maxLength: 512,
			    cbind: {
				deleteEmpty: '{!isCreate}',
				value: (get) => get('isCreate') ? '{{guestname}}' : undefined,
			    },
			},
			{
			    xtype: 'box',
			    style: {
				margin: '8px 0px',
				'line-height': '1.5em',
			    },
			    html: gettext('The notes are added to each backup created by this job.')
				+ '<br>'
				+ Ext.String.format(
				    gettext('Possible template variables are: {0}'),
				    PVE.Utils.notesTemplateVars.map(v => `<code>{{${v}}}</code>`).join(', '),
				),
			},
		    ],
		},
	    ],
	},
    ],
});

Ext.define('PVE.dc.BackupView', {
    extend: 'Ext.grid.GridPanel',

    alias: ['widget.pveDcBackupView'],

    onlineHelp: 'chapter_vzdump',

    allText: '-- ' + gettext('All') + ' --',

    initComponent: function() {
	let me = this;

	let store = new Ext.data.Store({
	    model: 'pve-cluster-backup',
	    proxy: {
		type: 'proxmox',
		url: "/api2/json/cluster/backup",
	    },
	});

	let not_backed_store = new Ext.data.Store({
	    sorters: 'vmid',
	    proxy: {
		type: 'proxmox',
		url: 'api2/json/cluster/backup-info/not-backed-up',
	    },
	});

	let noBackupJobInfoButton;
	let reload = function() {
	    store.load();
	    not_backed_store.load({
		callback: records => noBackupJobInfoButton.setVisible(records.length > 0),
	    });
	};

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

	let run_editor = function() {
	    let rec = sm.getSelection()[0];
	    if (!rec) {
		return;
	    }

	    let win = Ext.create('PVE.dc.BackupEdit', {
		jobid: rec.data.id,
	    });
	    win.on('destroy', reload);
	    win.show();
	};

	let run_detail = function() {
	    let record = sm.getSelection()[0];
	    if (!record) {
		return;
	    }
	    Ext.create('Ext.window.Window', {
		modal: true,
		width: 800,
		height: Ext.getBody().getViewSize().height > 1000 ? 800 : 600, // factor out as common infra?
		resizable: true,
		layout: 'fit',
		title: gettext('Backup Details'),
		items: [
		    {
			xtype: 'panel',
			region: 'center',
			layout: {
			    type: 'vbox',
			    align: 'stretch',
			},
			items: [
			    {
				xtype: 'pveBackupInfo',
				flex: 0,
				layout: 'fit',
				record: record.data,
			    },
			    {
				xtype: 'pveBackupDiskTree',
				title: gettext('Included disks'),
				flex: 1,
				jobid: record.data.id,
			    },
			],
		    },
		],
	    }).show();
	};

	let run_backup_now = function(job) {
	    job = Ext.clone(job);

	    let jobNode = job.node;
	    // Remove properties related to scheduling
	    delete job.enabled;
	    delete job.starttime;
	    delete job.dow;
	    delete job.id;
	    delete job.schedule;
	    delete job.type;
	    delete job.node;
	    delete job.comment;
	    delete job['next-run'];
	    delete job['repeat-missed'];
	    job.all = job.all === true ? 1 : 0;

	    ['performance', 'prune-backups'].forEach(key => {
		if (job[key]) {
		    job[key] = PVE.Parser.printPropertyString(job[key]);
		}
	    });

	    let allNodes = PVE.data.ResourceStore.getNodes();
	    let nodes = allNodes.filter(node => node.status === 'online').map(node => node.node);
	    let errors = [];

	    if (jobNode !== undefined) {
		if (!nodes.includes(jobNode)) {
		    Ext.Msg.alert('Error', "Node '"+ jobNode +"' from backup job isn't online!");
		    return;
		}
		nodes = [jobNode];
	    } else {
		let unkownNodes = allNodes.filter(node => node.status !== 'online');
		if (unkownNodes.length > 0) {errors.push(unkownNodes.map(node => node.node + ": " + gettext("Node is offline")));}
	    }
	    let jobTotalCount = nodes.length, jobsStarted = 0;

	    Ext.Msg.show({
		title: gettext('Please wait...'),
		closable: false,
		progress: true,
		progressText: '0/' + jobTotalCount,
	    });

	    let postRequest = function() {
		jobsStarted++;
		Ext.Msg.updateProgress(jobsStarted / jobTotalCount, jobsStarted + '/' + jobTotalCount);

		if (jobsStarted === jobTotalCount) {
		    Ext.Msg.hide();
		    if (errors.length > 0) {
			Ext.Msg.alert('Error', 'Some errors have been encountered:<br />' + errors.join('<br />'));
		    }
		}
	    };

	    nodes.forEach(node => Proxmox.Utils.API2Request({
		url: '/nodes/' + node + '/vzdump',
		method: 'POST',
		params: job,
		failure: function(response, opts) {
		    errors.push(node + ': ' + response.htmlStatus);
		    postRequest();
		},
		success: postRequest,
	    }));
	};

	var edit_btn = new Proxmox.button.Button({
	    text: gettext('Edit'),
	    disabled: true,
	    selModel: sm,
	    handler: run_editor,
	});

	var run_btn = new Proxmox.button.Button({
	    text: gettext('Run now'),
	    disabled: true,
	    selModel: sm,
	    handler: function() {
		var rec = sm.getSelection()[0];
		if (!rec) {
		    return;
		}

		Ext.Msg.show({
		    title: gettext('Confirm'),
		    icon: Ext.Msg.QUESTION,
		    msg: gettext('Start the selected backup job now?'),
		    buttons: Ext.Msg.YESNO,
		    callback: function(btn) {
			if (btn !== 'yes') {
			    return;
			}
			run_backup_now(rec.data);
		    },
		});
	    },
	});

	var remove_btn = Ext.create('Proxmox.button.StdRemoveButton', {
	    selModel: sm,
	    baseurl: '/cluster/backup',
	    callback: function() {
		reload();
	    },
	});

	var detail_btn = new Proxmox.button.Button({
	    text: gettext('Job Detail'),
	    disabled: true,
	    tooltip: gettext('Show job details and which guests and volumes are affected by the backup job'),
	    selModel: sm,
	    handler: run_detail,
	});

	noBackupJobInfoButton = new Proxmox.button.Button({
	    text: `${gettext('Show')}: ${gettext('Guests Without Backup Job')}`,
	    tooltip: gettext('Some guests are not covered by any backup job.'),
	    iconCls: 'fa fa-fw fa-exclamation-circle',
	    hidden: true,
	    handler: () => {
		Ext.create('Ext.window.Window', {
		    autoShow: true,
		    modal: true,
		    width: 600,
		    height: 500,
		    resizable: true,
		    layout: 'fit',
		    title: gettext('Guests Without Backup Job'),
		    items: [
			{
			    xtype: 'panel',
			    region: 'center',
			    layout: {
				type: 'vbox',
				align: 'stretch',
			    },
			    items: [
				{
				    xtype: 'pveBackedGuests',
				    flex: 1,
				    layout: 'fit',
				    store: not_backed_store,
				},
			    ],
			},
		    ],
		});
	    },
	});

	Proxmox.Utils.monStoreErrors(me, store);

	Ext.apply(me, {
	    store: store,
	    selModel: sm,
	    stateful: true,
	    stateId: 'grid-dc-backup',
	    viewConfig: {
		trackOver: false,
	    },
	    dockedItems: [{
		xtype: 'toolbar',
		overflowHandler: 'scroller',
		dock: 'top',
		items: [
		    {
			text: gettext('Add'),
			handler: function() {
			    var win = Ext.create('PVE.dc.BackupEdit', {});
			    win.on('destroy', reload);
			    win.show();
			},
		    },
		    '-',
		    remove_btn,
		    edit_btn,
		    detail_btn,
		    '-',
		    run_btn,
		    '->',
		    noBackupJobInfoButton,
		    '-',
		    {
			xtype: 'proxmoxButton',
			selModel: null,
			text: gettext('Schedule Simulator'),
			handler: () => {
			    let record = sm.getSelection()[0];
			    let schedule;
			    if (record) {
				schedule = record.data.schedule;
			    }
			    Ext.create('PVE.window.ScheduleSimulator', {
				autoShow: true,
				schedule,
			    });
			},
		    },
		],
	    }],
	    columns: [
		{
		    header: gettext('Enabled'),
		    width: 80,
		    dataIndex: 'enabled',
		    align: 'center',
		    renderer: Proxmox.Utils.renderEnabledIcon,
		    sortable: true,
		},
		{
		    header: gettext('ID'),
		    dataIndex: 'id',
		    hidden: true,
		},
		{
		    header: gettext('Node'),
		    width: 100,
		    sortable: true,
		    dataIndex: 'node',
		    renderer: function(value) {
			if (value) {
			    return value;
			}
			return me.allText;
		    },
		},
		{
		    header: gettext('Schedule'),
		    width: 150,
		    dataIndex: 'schedule',
		},
		{
		    text: gettext('Next Run'),
		    dataIndex: 'next-run',
		    width: 150,
		    renderer: PVE.Utils.render_next_event,
		},
		{
		    header: gettext('Storage'),
		    width: 100,
		    sortable: true,
		    dataIndex: 'storage',
		},
		{
		    header: gettext('Comment'),
		    dataIndex: 'comment',
		    renderer: Ext.htmlEncode,
		    sorter: (a, b) => (a.data.comment || '').localeCompare(b.data.comment || ''),
		    flex: 1,
		},
		{
		    header: gettext('Retention'),
		    dataIndex: 'prune-backups',
		    renderer: v => v ? PVE.Parser.printPropertyString(v) : gettext('Fallback from storage config'),
		    flex: 2,
		},
		{
		    header: gettext('Selection'),
		    flex: 4,
		    sortable: false,
		    dataIndex: 'vmid',
		    renderer: PVE.Utils.render_backup_selection,
		},
	    ],
	    listeners: {
		activate: reload,
		itemdblclick: run_editor,
	    },
	});

	me.callParent();
    },
}, function() {
    Ext.define('pve-cluster-backup', {
	extend: 'Ext.data.Model',
	fields: [
	    'id',
	    'compress',
	    'dow',
	    'exclude',
	    'mailto',
	    'mode',
	    'node',
	    'pool',
	    'prune-backups',
	    'starttime',
	    'storage',
	    'vmid',
	    { name: 'enabled', type: 'boolean' },
	    { name: 'all', type: 'boolean' },
	],
    });
});