// VsPkg.cs : Implementation of FastForwardVisualStudio
//

using System;
using System.Diagnostics;
using System.Globalization;
using System.Linq;
using System.Runtime.InteropServices;
using System.ComponentModel.Design;
using Microsoft.Win32;
using Microsoft.VisualStudio.Shell.Interop;
using Microsoft.VisualStudio.OLE.Interop;
using Microsoft.VisualStudio.Shell;
using Microsoft.VisualStudio;
using FastForward.WinCore.Configuration;
using System.Collections.Generic;
using FastForward.WinCore;

namespace FastForward.VisualStudio
{
    /// <summary>
    /// This is the class that implements the package exposed by this assembly.
    /// </summary>
    [PackageRegistration(UseManagedResourcesOnly = true)]
    [DefaultRegistryRoot("Software\\Microsoft\\VisualStudio\\9.0")]
    [InstalledProductRegistration(true, null, null, null)]
    [ProvideLoadKey("Standard", "0.2", "FastForward.NET", "Craig Sutherland", 1)]
    [ProvideMenuResource(1000, 1)]
    [ProvideToolWindow(typeof(ProjectsToolWindow))]
    [Guid(GuidList.guidFastForwardVisualStudioPkgString)]
    public sealed class VisualStudioPackage 
        : Package, IVsInstalledProduct
    {
        #region Private fields
        private VisualStudioConfig configuration;
        private ServerList servers = new ServerList();
        #endregion

        #region Constructors
        /// <summary>
        /// Default constructor of the package.
        /// Inside this method you can place any initialization code that does not require 
        /// any Visual Studio service because at this point the package object is created but 
        /// not sited yet inside Visual Studio environment. The place to do all the other 
        /// initialization is the Initialize method.
        /// </summary>
        public VisualStudioPackage()
        {
            System.Diagnostics.Trace.WriteLine(string.Format(CultureInfo.CurrentCulture, "Entering constructor for: {0}", this.ToString()));
            configuration = VisualStudioConfig.Load();
        }
        #endregion

        #region Public properties
        #region Configuration
        /// <summary>
        /// Gets the configuration for the plug-in.
        /// </summary>
        public VisualStudioConfig Configuration
        {
            get { return this.configuration; }
        }
        #endregion
        #endregion

        #region Public methods
        #region IdBmpSplash()
        /// <summary>
        /// Gets the id for the splash screen bitmap.
        /// </summary>
        /// <param name="pIdBmp"></param>
        /// <returns></returns>
        public int IdBmpSplash(out uint pIdBmp)
        {
            pIdBmp = 500;
            return VSConstants.S_OK;
        }
        #endregion

        #region IdIcoLogoForAboutbox()
        /// <summary>
        /// Gets the identifier of the icon for the about box.
        /// </summary>
        /// <param name="pIdIco"></param>
        /// <returns></returns>
        public int IdIcoLogoForAboutbox(out uint pIdIco)
        {
            pIdIco = 600;
            return VSConstants.S_OK;
        }
        #endregion

        #region OfficialName()
        /// <summary>
        /// Gets the official name of the plug-in.
        /// </summary>
        /// <param name="pbstrName"></param>
        /// <returns></returns>
        public int OfficialName(out string pbstrName)
        {
            pbstrName = "FastForward.NET";
            return VSConstants.S_OK;
        }
        #endregion

        #region ProductDetails()
        /// <summary>
        /// Gets the product details.
        /// </summary>
        /// <param name="pbstrProductDetails"></param>
        /// <returns></returns>
        public int ProductDetails(out string pbstrProductDetails)
        {
            pbstrProductDetails = "Provides integration with CruiseControl.NET from within Visual Studio.";
            return VSConstants.S_OK;
        }
        #endregion

        #region ProductID()
        /// <summary>
        /// Gets the identifier of the product.
        /// </summary>
        /// <param name="pbstrPID"></param>
        /// <returns></returns>
        public int ProductID(out string pbstrPID)
        {
            pbstrPID = "FastForward.VisualStudio";
            return VSConstants.S_OK;
        }
        #endregion
        #endregion

        #region Protected methods
        #region Initialize()
        /// <summary>
        /// Initialization of the package; this method is called right after the package is sited, so this is the place
        /// where you can put all the initilaization code that rely on services provided by VisualStudio.
        /// </summary>
        protected override void Initialize()
        {
            System.Diagnostics.Trace.WriteLine(string.Format(CultureInfo.CurrentCulture, "Entering Initialize() of: {0}", this.ToString()));
            base.Initialize();

            // Add our command handlers for menu (commands must exist in the .vsct file)
            OleMenuCommandService mcs = GetService(typeof(IMenuCommandService)) as OleMenuCommandService;
            if (null != mcs)
            {
                // Create the command for the menu item.
                CommandID menuCommandID = new CommandID(GuidList.guidFastForwardVisualStudioCmdSet, (int)PkgCmdIDList.cmdidFfnetSettings);
                MenuCommand menuItem = new MenuCommand(MenuItemCallback, menuCommandID);
                mcs.AddCommand(menuItem);

                // Create the command for the tool window
                CommandID toolwndCommandID = new CommandID(GuidList.guidFastForwardVisualStudioCmdSet, (int)PkgCmdIDList.cmdidProjectsToolWindow);
                MenuCommand menuToolWin = new MenuCommand(ShowToolWindow, toolwndCommandID);
                mcs.AddCommand(menuToolWin);
            }

            // Initialise the server list
            foreach (var server in this.configuration.Servers)
            {
                this.servers.AddServer(server);
            }

            // Attach the server list
            ToolWindowPane window = this.FindToolWindow(typeof(ProjectsToolWindow), 0, true);
            if ((null == window) || (null == window.Frame))
            {
                throw new NotSupportedException(ToolWindowResources.CanNotCreateWindow);
            }
            var control = window.Window as ProjectsControl;
            control.AttachServerList(this.servers);
        }
        #endregion
        #endregion

        #region Private methods
        #region ShowToolWindow()
        /// <summary>
        /// This function is called when the user clicks the menu item that shows the 
        /// tool window. See the Initialize method to see how the menu item is associated to 
        /// this function using the OleMenuCommandService service and the MenuCommand class.
        /// </summary>
        private void ShowToolWindow(object sender, EventArgs e)
        {
            // Get the instance number 0 of this tool window. This window is single instance so this instance
            // is actually the only one.
            // The last flag is set to true so that if the tool window does not exists it will be created.
            ToolWindowPane window = this.FindToolWindow(typeof(ProjectsToolWindow), 0, true);
            if ((null == window) || (null == window.Frame))
            {
                throw new NotSupportedException(ToolWindowResources.CanNotCreateWindow);
            }
            IVsWindowFrame windowFrame = (IVsWindowFrame)window.Frame;
            Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(windowFrame.Show());
        }
        #endregion

        #region MenuItemCallback()
        /// <summary>
        /// This function is the callback used to execute a command when the a menu item is clicked.
        /// See the Initialize method to see how the menu item is associated to this function using
        /// the OleMenuCommandService service and the MenuCommand class.
        /// </summary>
        private void MenuItemCallback(object sender, EventArgs args)
        {
            var form = new SettingsForm(this);
            form.OkClicked += (o, e) =>
            {
                UpdateServers(form.Configuration.Servers);
                this.configuration.Save();
            };
            form.ShowDialog();
        }
        #endregion

        #region UpdateServers()
        /// <summary>
        /// Update all the servers.
        /// </summary>
        private void UpdateServers(IEnumerable<ServerConfig> servers)
        {
            var oldServers = (from record in this.configuration.Servers
                              select record).ToList();
            foreach (var server in servers)
            {
                // Check if the server already exists
                var oldServer = (from record in oldServers
                                 where (record.Address == server.Address) && (record.TargetServer == server.TargetServer)
                                 select record).SingleOrDefault();
                if (oldServer == null)
                {
                    // Add the server
                    this.servers.AddServer(server);
                    this.configuration.Servers.Add(server);
                }
                else
                {
                    // Update the server
                    this.servers.UpdateServer(server);
                    server.Server = oldServer.Server;
                    server.Server.DisplayName = server.Name;
                    server.Server.Data.Set(server);

                    // Don't remove the server
                    oldServers.Remove(oldServer);
                }
            }

            // Remove any removed servers
            foreach (var oldServer in oldServers)
            {
                this.servers.RemoveServer(oldServer);
                this.configuration.Servers.Remove(oldServer);
            }
        }
        #endregion
        #endregion
    }
}