/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */
define(["dojox/html/entities",
        "dojo/_base/array",
        "dojo/_base/event",
        "dojo/_base/lang",
        "dojo/_base/window",
        "dojo/dom",
        "dojo/dom-construct",
        "dijit/registry",
        "dojo/parser",
        'dojo/json',
        "dojo/query",
        "dojo/store/Memory",
        "dojo/data/ObjectStore",
        "qpid/common/util",
        "dojo/text!editVirtualHostNode.html",
        "qpid/common/ContextVariablesEditor",
        "dijit/Dialog",
        "dijit/form/CheckBox",
        "dijit/form/FilteringSelect",
        "dijit/form/ValidationTextBox",
        "dijit/form/Button",
        "dijit/form/Form",
        "dojox/validate/us",
        "dojox/validate/web",
        "dojo/domReady!"],
    function (entities,
              array,
              event,
              lang,
              win,
              dom,
              domConstruct,
              registry,
              parser,
              json,
              query,
              Memory,
              ObjectStore,
              util,
              template)
    {
        var virtualHostNodeEditor = {
            init: function ()
            {
                var that = this;
                this.containerNode = domConstruct.create("div", {innerHTML: template});
                parser.parse(this.containerNode)
                    .then(function (instances)
                    {
                        that._postParse();
                    });
            },
            _postParse: function ()
            {
                var that = this;
                this.allFieldsContainer = dom.byId("editVirtualHostNode.allFields");
                this.typeFieldsContainer = dom.byId("editVirtualHostNode.typeFields");
                this.dialog = registry.byId("editVirtualHostNodeDialog");
                this.saveButton = registry.byId("editVirtualHostNode.saveButton");
                this.cancelButton = registry.byId("editVirtualHostNode.cancelButton");
                this.cancelButton.on("click", function (e)
                {
                    that._cancel(e);
                });
                this.saveButton.on("click", function (e)
                {
                    that._save(e);
                });
                this.name = registry.byId("editVirtualHostNode.name");
                this.form = registry.byId("editVirtualHostNodeForm");
                this.form.on("submit", function ()
                {
                    return false;
                });
            },
            show: function (management, modelObj, effectiveData)
            {
                this.management = management;
                this.modelObj = modelObj;
                if (!this.context)
                {
                    this.context = new qpid.common.ContextVariablesEditor({
                        name: 'context',
                        title: 'Context variables'
                    });
                    this.context.placeAt(dom.byId("editVirtualHostNode.context"));
                }
                this.dialog.set("title", "Edit Virtual Host Node - " + entities.encode(String(effectiveData.name)));

                util.loadData(management, modelObj, lang.hitch(this, this._show), {depth: 1});
            },
            destroy: function ()
            {
                if (this.dialog)
                {
                    this.dialog.destroyRecursive();
                    this.dialog = null;
                }

                if (this.containerNode)
                {
                    domConstruct.destroy(this.containerNode);
                    this.containerNode = null;
                }
            },
            _cancel: function (e)
            {
                this.dialog.hide();
            },
            _save: function (e)
            {
                event.stop(e);
                if (this.form.validate())
                {
                    var data = util.getFormWidgetValues(this.form, this.initialData);
                    var context = this.context.get("value");
                    if (context && !util.equals(context, this.initialData.context))
                    {
                        data["context"] = context;
                    }
                    var that = this;
                    this.management.update(that.modelObj, data)
                        .then(function (x)
                        {
                            that.dialog.hide();
                        });
                }
                else
                {
                    alert('Form contains invalid data.  Please correct first');
                }
            },
            _show: function (data)
            {
                this.initialData = data.actual;
                this.name.set("value", data.actual.name);

                var that = this;

                this.context.setData(data.actual.context, data.effective.context, data.inheritedActual.context);

                var widgets = registry.findWidgets(this.typeFieldsContainer);
                array.forEach(widgets, function (item)
                {
                    item.destroyRecursive();
                });
                domConstruct.empty(this.typeFieldsContainer);

                require(["qpid/management/virtualhostnode/" + data.actual.type.toLowerCase() + "/edit"],
                    function (TypeUI)
                    {
                        try
                        {
                            var metadata = that.management.metadata;
                            TypeUI.show({
                                containerNode: that.typeFieldsContainer,
                                parent: that,
                                data: data.actual,
                                effectiveData: data.effective,
                                metadata: metadata
                            });
                            that.form.connectChildren();

                            util.applyToWidgets(that.allFieldsContainer,
                                "VirtualHostNode",
                                data.actual.type,
                                data.actual,
                                metadata);
                        }
                        catch (e)
                        {
                            if (console && console.warn)
                            {
                                console.warn(e);
                            }
                        }
                    });

                this.dialog.startup();
                this.dialog.show();
                if (!this.resizeEventRegistered)
                {
                    this.resizeEventRegistered = true;
                    util.resizeContentAreaAndRepositionDialog(dom.byId("editVirtualHostNode.contentPane"), this.dialog);
                }
            }
        };

        virtualHostNodeEditor.init();

        return virtualHostNodeEditor;
    });