Ext.define('pmg-cluster', {
    extend: 'Ext.data.Model',
    fields: [
	'type', 'name', 'ip', 'hostrsapubkey', 'rootrsapubkey',
	'fingerprint', { type: 'integer', name: 'cid' },
	{ type: 'boolean', name: 'insync' },
	'memory', 'loadavg', 'uptime', 'rootfs', 'conn_error', 'level',
	{ type: 'number', name: 'memory_per',
	  calculate: function(data) {
	      var mem = data.memory;
	      return Ext.isObject(mem) ? mem.used/mem.total : 0;
	  }
	},
	{ type: 'number', name: 'rootfs_per',
	  calculate: function(data) {
	      var du = data.rootfs;
	      return Ext.isObject(du) ? du.used/du.total : 0;
	  }
	}
    ],
    proxy: {
        type: 'proxmox',
	url: "/api2/json/config/cluster/status"
    },
    idProperty: 'cid'
});

Ext.define('PMG.ClusterJoinNodeWindow', {
    extend: 'Proxmox.window.Edit',
    xtype: 'pmgClusterJoinNodeWindow',

    title: gettext('Cluster Join'),

    width: 800,

    method: 'POST',

    url: '/config/cluster/join',

    items: [
	{
	    xtype: 'textfield',
	    fieldLabel: 'IP Address',
	    name: 'master_ip'
	},
	{
	    xtype: 'textfield',
	    inputType: 'password',
	    fieldLabel: gettext('Password'),
	    name: 'password'
	},
	{
	    xtype: 'textfield',
	    fieldLabel: gettext('Fingerprint'),
	    name: 'fingerprint'
	}
    ]
});

Ext.define('PMG.ClusterAddNodeWindow', {
    extend: 'Ext.window.Window',
    xtype: 'pmgClusterAddNodeWindow',
    mixins: ['Proxmox.Mixin.CBind'],

    width: 800,

    modal: true,

    title: gettext('Cluster Join') + ' : ' + gettext('Information'),

    ipAddress: undefined,

    fingerprint: undefined,

    items: [
	{
	    xtype: 'component',
	    border: false,
	    padding: 10,
	    html: gettext("Please use the 'Join' button on the node you want to add, using the following IP address and fingerprint.")
	},
	{
	    xtype: 'container',
	    layout: 'form',
	    border: false,
	    padding: '0 10 10 10',
	    items: [
		{
		    xtype: 'textfield',
		    fieldLabel: gettext('IP Address'),
		    cbind: { value: '{ipAddress}' },
		    editable: false
		},
		{
		    xtype: 'textfield',
		    fieldLabel: gettext('Fingerprint'),
		    cbind: { value: '{fingerprint}' },
		    editable: false
		}
	    ]
	}
    ]
});

Ext.define('PMG.ClusterAdministration', {
    extend: 'Ext.tab.Panel',
    xtype: 'pmgClusterAdministration',

    title: gettext('Cluster Administration'),

    border: false,
    defaults: { border: false },

    viewModel: {
	parent: null,
	data: {
	    nodecount: 0,
	    master: null
	}
    },

    items: [
	{
	    xtype: 'grid',
	    title: gettext('Nodes'),
	    controller: {
		xclass: 'Ext.app.ViewController',

		init: function(view) {
		    view.store.on('load', this.onLoad, this);
		},

		onLoad: function(store, records) {
		    var vm = this.getViewModel();
		    vm.set('nodecount', records.length);

		    var master = null;
		    Ext.Array.each(records, function(ni) {
			if (ni.data.type === 'master') {
			    master = ni;
			}
		    });
		    vm.set('master', master);
		},

		onCreate: function() {
		    var view = this.getView();

		    Proxmox.Utils.API2Request({
			url: '/config/cluster/create',
			method: 'POST',
			waitMsgTarget: view,
			failure: function (response, opts) {
			    Ext.Msg.alert(gettext('Error'), response.htmlStatus);
			},
			success: function(response, options) {
			    var upid = response.result.data;
			    var win = Ext.create('Proxmox.window.TaskProgress', { upid: upid });
			    win.show();
			    win.on('destroy', function() { view.store.load(); });
			}
		    });
		},

		onJoin: function() {
		    var view = this.getView();
		    var win = Ext.create('PMG.ClusterJoinNodeWindow', {});
		    win.show();
		    win.on('destroy', function() {
			// fixme: logout
		    });
		},

		onAdd: function() {
		    var vm = this.getViewModel();

		    var win = Ext.create('PMG.ClusterAddNodeWindow', {
			ipAddress: vm.get('master').get('ip'),
			fingerprint: vm.get('master').get('fingerprint')
		    });

		    win.show();
		}
	    },
	    store: {
		autoLoad: true,
		model: 'pmg-cluster'
	    },
	    tbar: [
		{
		    text: gettext('Create'),
		    reference: 'createButton',
		    handler: 'onCreate',
		    bind: {
			disabled: '{nodecount}'
		    }
		},
		{
		    text: gettext('Add'),
		    reference: 'addButton',
		    handler: 'onAdd',
		    bind: {
			disabled: '{!master}'
		    }
		},
		{
		    text: gettext('Join'),
		    reference: 'joinButton',
		    handler: 'onJoin',
		    bind: {
			disabled: '{nodecount}'
		    }
		}
	    ],
	    columns: [
		{
		    header: gettext('Node'),
		    width: 150,
		    dataIndex: 'name'
		},
		{
		    header: gettext('Role'),
		    width: 100,
		    dataIndex: 'type'
		},
		{
		    header: gettext('ID'),
		    width: 80,
		    dataIndex: 'cid'
		},
		{

		    header: gettext('IP'),
		    width: 150,
		    dataIndex: 'ip'
		},
		{
		    header: gettext('State'),
		    width: 100,
		    renderer: function(value, metaData, record) {
			var d = record.data;
			var state = 'active';
			if (!d.insync) state = 'syncing';
			if (d.conn_error) {
			    metaData.tdCls = 'x-form-invalid-field';
			    var html = '<p>' +  Ext.htmlEncode(d.conn_error) + '</p>';
			    html = html.replace(/\n/g, '<br>');
			    metaData.tdAttr = 'data-qwidth=600 data-qtitle="ERROR" data-qtip="' +
				html.replace(/\"/g,'&quot;') + '"';
			    state = 'error';
			}
			return state;
		    },
		    dataIndex: 'insync'
		},
		{
		    header: gettext('Subscription'),
		    width: 120,
		    renderer: Proxmox.Utils.format_subscription_level,
		    dataIndex: 'level'
		},
		{
		    header: gettext('Uptime'),
		    width: 150,
		    renderer: Proxmox.Utils.render_uptime,
		    dataIndex: 'uptime'
		},
		{
		    header: gettext('Load average'),
		    renderer: function(value) {
			if (Ext.isArray(value)) {
			    return value[0];
			}
			return value;
		    },
		    dataIndex: 'loadavg'
		},
		{
		    xtype: 'widgetcolumn',
		    widget: {
			xtype: 'progressbarwidget',
			textTpl: '{value:percent}'
		    },
		    header: gettext('RAM usage'),
		    dataIndex: 'memory_per'
		},
		{
		    xtype: 'widgetcolumn',
		    widget: {
			xtype: 'progressbarwidget',
			textTpl: '{value:percent}'
		    },
		    header: gettext('HD space'),
		    dataIndex: 'rootfs_per'
		}
	    ]
	}
    ]
});