/*=============================================================================

  Project:   SharpImage
  Module:    RemoveFileConfiguration/Program.cs
  Language:  C#
  Author:    Dan Mueller
  $Date: 2007-04-11 16:26:16 +1000 (Wed, 11 Apr 2007) $
  $Revision: 128 $

  Copyright (c) Queensland University of Technology (QUT) 2007.
  All rights reserved.

  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.  See the above copyright notices for more information.
  
=============================================================================*/

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

namespace RemoveFileConfiguration
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                // args[0] = Full solution path
                // args[1] = FileToRemoveConfigurations (eg. CMakeLists.txt)
                if (args.Length <= 1)
                {
                    Console.WriteLine("Usage: AbsoluteSolutionPath FileToRemoveConfigurations");
                    return;
                }

                // Get replacements from command line
                string pathSolution = args[0];
                string fileToRemoveConfigs = args[1];

                // Open solution for reading and get text
                Console.WriteLine("Reading solution: " + pathSolution);
                string bodySolution = File.ReadAllText(pathSolution);
                bodySolution = bodySolution.Replace("\r\n", "\r");
                string[] linesSolution = bodySolution.Split('\r');

                // Do for each project in solution
                foreach (string lineSolution in linesSolution)
                {
                    if (lineSolution.StartsWith("Project("))
                    {
                        //Get project path
                        string[] linesProject = lineSolution.Split(',');
                        string pathProject = linesProject[1].Trim(' ', '"', '.', '\\', '/');
                        pathProject = Path.Combine(Path.GetDirectoryName(pathSolution), pathProject);
                        Console.WriteLine("Removing configurations for " + Path.GetFileName(pathProject));
                        RemoveFileConfiguration(pathProject, fileToRemoveConfigs);
                    }
                }

                Console.WriteLine("Done.");
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }
        }

        public static void RemoveFileConfiguration(string pathProject, string fileToRemoveConfigs)
        {
            bool isInFile = false;
            bool isInFileConfiguration = false;
            bool writeLine = true;
            
            // Check that the project exists
            if (!File.Exists(pathProject))
            {
                Console.WriteLine("Skipping " + Path.GetFileName(pathProject) + " because the path does not exist...");
                return;
            }

            // Open project for reading and get text
            string bodyProject = File.ReadAllText(pathProject);
            bodyProject = bodyProject.Replace("\r\n", "\r");
            string[] linesProject = bodyProject.Split('\r');

            // Open project for writing
            StreamWriter writer = new StreamWriter(pathProject);
                
            // Output the adjusted/configured project
            foreach (string lineProject in linesProject)
            {
                if (lineProject.Contains("Path") &&
                    lineProject.Contains(fileToRemoveConfigs))
                    isInFile = true;
                else if (isInFile &&
                         lineProject.Contains("</File>"))
                    isInFile = false;
                else if (isInFile && !isInFileConfiguration &&
                         lineProject.Contains("<FileConfiguration"))
                    isInFileConfiguration = true;
                else if (isInFile && isInFileConfiguration &&
                    lineProject.Contains("</FileConfiguration>"))
                {
                    isInFileConfiguration = false;
                    writeLine = false;
                }

                // Write the line
                if (!isInFileConfiguration && writeLine)
                    writer.WriteLine(lineProject);
                writeLine = true;
            }

            // Clean up
            writer.Flush();
            writer.Close();
            Console.WriteLine("Done.");
        }
    }
}