// Copyright (c) 2012, Outercurve Foundation.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// - Redistributions of source code must  retain  the  above copyright notice, this
//   list of conditions and the following disclaimer.
//
// - Redistributions in binary form  must  reproduce the  above  copyright  notice,
//   this list of conditions  and  the  following  disclaimer in  the documentation
//   and/or other materials provided with the distribution.
//
// - Neither  the  name  of  the  Outercurve Foundation  nor   the   names  of  its
//   contributors may be used to endorse or  promote  products  derived  from  this
//   software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,  BUT  NOT  LIMITED TO, THE IMPLIED
// WARRANTIES  OF  MERCHANTABILITY   AND  FITNESS  FOR  A  PARTICULAR  PURPOSE  ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL,  SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO,  PROCUREMENT  OF  SUBSTITUTE  GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  HOWEVER  CAUSED AND ON
// ANY  THEORY  OF  LIABILITY,  WHETHER  IN  CONTRACT,  STRICT  LIABILITY,  OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING  IN  ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Collections.Generic;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml;

using WebsitePanel.EnterpriseServer;

namespace WebsitePanel.Portal
{
    public partial class SpaceMenu : WebsitePanelModuleBase
    {
        private PackageContext cntx = null;

        protected void Page_Load(object sender, EventArgs e)
        {
            // load package context
            cntx = PackagesHelper.GetCachedPackageContext(PanelSecurity.PackageId);

            // bind root node
            BindMenu(menu.Items, PortalUtils.GetModuleMenuItems(this));
        }

        private void BindMenu(MenuItemCollection items, XmlNodeList nodes)
        {
            foreach (XmlNode node in nodes)
            {
                string pageId = null;
                if (node.Attributes["pageID"] != null)
                    pageId = node.Attributes["pageID"].Value;

                if (!PortalUtils.PageExists(pageId))
                    continue;

                string url = null;
                if (node.Attributes["url"] != null)
                    url = node.Attributes["url"].Value;

                string title = null;
                if (node.Attributes["title"] != null)
                    title = node.Attributes["title"].Value;

                string target = null;
                if (node.Attributes["target"] != null)
                    target = node.Attributes["target"].Value;

                string resourceGroup = null;
                if (node.Attributes["resourceGroup"] != null)
                    resourceGroup = node.Attributes["resourceGroup"].Value;

                string quota = null;
                if (node.Attributes["quota"] != null)
                    quota = node.Attributes["quota"].Value;

                bool disabled = false;
                if (node.Attributes["disabled"] != null)
                    disabled = Utils.ParseBool(node.Attributes["disabled"].Value, false);

                // get custom page parameters
                XmlNodeList xmlParameters = node.SelectNodes("Parameters/Add");
                List<string> parameters = new List<string>();
                foreach (XmlNode xmlParameter in xmlParameters)
                {
                    parameters.Add(xmlParameter.Attributes["name"].Value
                        + "=" + xmlParameter.Attributes["value"].Value);
                }

                // add menu item
                string pageUrl = !String.IsNullOrEmpty(url) ? url : PortalUtils.NavigatePageURL(
                    pageId, PortalUtils.SPACE_ID_PARAM, PanelSecurity.PackageId.ToString(), parameters.ToArray());
                string pageName = !String.IsNullOrEmpty(title) ? title : PortalUtils.GetLocalizedPageName(pageId);
                MenuItem item = new MenuItem(pageName, "", "", disabled ? null : pageUrl);

                if (!String.IsNullOrEmpty(target))
                    item.Target = target;
                item.Selectable = !disabled;

                // check groups/quotas
                bool display = true;
                if (cntx != null)
                {
                    display = (String.IsNullOrEmpty(resourceGroup)
                        || cntx.Groups.ContainsKey(resourceGroup)) &&
                        (String.IsNullOrEmpty(quota)
                        || (cntx.Quotas.ContainsKey(quota) &&
                            cntx.Quotas[quota].QuotaAllocatedValue != 0));
                }

                if (display)
                {
                    // process nested menu items
                    XmlNodeList xmlNestedNodes = node.SelectNodes("MenuItems/MenuItem");
                    BindMenu(item.ChildItems, xmlNestedNodes);
                }

                if(display && !(disabled && item.ChildItems.Count == 0))
                    items.Add(item);
            }
        }
    }
}