using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration.Install;
using System.Linq;
using System.IO;
using System.Xml;


namespace ProjectScannerSetupClass
{
    [RunInstaller(true)]
    public partial class ProjectScannerSetup : Installer
    {
        public ProjectScannerSetup()
        {
            InitializeComponent();
        }

        protected override void OnAfterInstall(IDictionary savedState)
        {
            base.OnAfterInstall(savedState);

            try
            {
                string UserProfile = Environment.GetEnvironmentVariable("USERPROFILE");
                string PathToP4VSettings = Path.Combine(UserProfile, ".p4qt");
                string CustomToolsXML = Path.Combine(PathToP4VSettings, "customtools.xml");
                XmlDocument xml = new XmlDocument();
                XmlNode rootNode;
                if (!File.Exists(CustomToolsXML) || new FileInfo(CustomToolsXML).Length == 0)
                {
                    xml.AppendChild(xml.CreateXmlDeclaration("1.0", "UTF-8", "no"));
                    rootNode = xml.AppendChild(xml.CreateElement("CustomToolDefList"));
                    rootNode.Attributes.Append(xml.CreateAttribute("varName"));
                    rootNode.Attributes["varName"].Value = "customtooldeflist";
                }
                else
                {
                    xml.Load(CustomToolsXML);
                    rootNode = xml.SelectSingleNode("/CustomToolDefList");
                }

                XmlNode NewTool;
                XmlNode ToolDef;
                XmlNode subNode;

                NewTool = xml.SelectSingleNode("/CustomToolDefList/CustomToolDef/Definition/Name[contains(.,'Rename && change paths in techno files')]");
                if (NewTool == null)
                {
                    NewTool = xml.CreateElement("CustomToolDef");
                    ToolDef = xml.CreateElement("Definition");

                    subNode = ToolDef.AppendChild(xml.CreateElement("Name"));
                    subNode.InnerText = "Rename && change paths in techno files";
                    subNode = ToolDef.AppendChild(xml.CreateElement("Command"));
                    subNode.InnerText = Path.Combine(Context.Parameters["TargetDir"], "ProjectScannerP4V.exe");
                    subNode = ToolDef.AppendChild(xml.CreateElement("Arguments"));
                    subNode.InnerText = "move $c $p $u %D";
                    subNode = NewTool.AppendChild(xml.CreateElement("AddToContext"));
                    subNode.InnerText = "true";
                    NewTool.AppendChild(ToolDef);
                    rootNode.AppendChild(NewTool);
                }
                else
                {
                    NewTool.SelectSingleNode("../Arguments").InnerText = "move $i $p $u %D";
                    NewTool.SelectSingleNode("../Command").InnerText = Path.Combine(Context.Parameters["TargetDir"], "ProjectScannerP4V.exe");

                }
                NewTool = xml.SelectSingleNode("/CustomToolDefList/CustomToolDef/Definition/Name[contains(.,'Change paths in techno files')]");
                if (NewTool == null)
                {
                    NewTool = xml.CreateElement("CustomToolDef");
                    ToolDef = xml.CreateElement("Definition");

                    subNode = ToolDef.AppendChild(xml.CreateElement("Name"));
                    subNode.InnerText = "Change paths in techno files";
                    subNode = ToolDef.AppendChild(xml.CreateElement("Command"));
                    subNode.InnerText = Path.Combine(Context.Parameters["TargetDir"], "ProjectScannerP4V.exe");
                    subNode = ToolDef.AppendChild(xml.CreateElement("Arguments"));
                    subNode.InnerText = "change $i $p $u %D";
                    subNode = NewTool.AppendChild(xml.CreateElement("AddToContext"));
                    subNode.InnerText = "true";
                    NewTool.AppendChild(ToolDef);
                    rootNode.AppendChild(NewTool);
                }
                else
                {
                    NewTool.SelectSingleNode("../Arguments").InnerText = "change $c $p $u %D";
                    NewTool.SelectSingleNode("../Command").InnerText = Path.Combine(Context.Parameters["TargetDir"], "ProjectScannerP4V.exe");

                }
                xml.Save(CustomToolsXML);
            }
            catch (System.Exception ex)
            {
                throw new InstallException("Install aborted\nreason:\n" + ex.ToString(), ex);
            }
            
        }
            
    }
}