using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

using Foo.Platform.Win32;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.Reflection;

namespace Foo.WorkspaceMgr.Launchers
{
    internal class Launcher_Visio : ILaunch
    {
        #region ILaunch Members

        /// <summary>
        /// Checks to see if the file exists in the system i.e. can be reached over
        /// the network. if FileExists fails, we shouldn't be able to launch it.
        /// </summary>
        /// <param name="strArtifactLocation">location of the path + file to launch</param>
        /// <returns></returns>
        public FuncDepBoolType IQueryLaunch(string strArtifactLocation)
        {
            if (!String.IsNullOrEmpty(strArtifactLocation) && (strArtifactLocation.Length > 3))
            {
                if (File.Exists(strArtifactLocation))
                    return FuncDepBoolType.Success;
                else
                    return FuncDepBoolType.ArtifactLocationUnavailable;
            }
            else
            {
                return FuncDepBoolType.ParametersInvalid;
            }
        }

        public const string Excel_ProgId = "Visio.Application";

        /// <summary>        
        /// Generic Launcher should be able to handle any file type. Launched the .Net Way.
        /// ~this is the same as if the User clicks on the file.
        /// </summary>
        /// <param name="strArtifactLocation">location of the path + file to launch</param>
        /// <returns></returns>
        public FuncDepBoolType ILaunch(string strArtifactLocation)
        {
            Microsoft.Office.Interop.Visio.Application app = null;
            app = new Microsoft.Office.Interop.Visio.Application();

            // Mark the Application as visible
            app.Visible = true;

            app.Documents.Open(strArtifactLocation);

            // Keep Track of all our Excel Instances
            ///WorkspaceState.Launched_ExcelInstances.Add(app);

            return FuncDepBoolType.Success;

            //if (!String.IsNullOrEmpty(strArtifactLocation) && (strArtifactLocation.Length > 3))
            //{                
            //    Process.Start(strArtifactLocation);                               
            //}
            //return FuncDepBoolType.ParametersInvalid;            
        }

        #endregion        

    }
}