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

  Project:   SharpImage
  Module:    ConfigureProject/Program.cs
  Language:  C#
  Author:    Dan Mueller
  Date:      $Date: 2007-09-01 06:17:25 +1000 (Sat, 01 Sep 2007) $
  Revision:  $Revision: 2 $

  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 ConfigureProject
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                // args[0] = Full solution path
                // args[1] = Replacement0 (eg. Release:ExceptionHandling="FALSE":ExceptionHandling="2")
                // args[2] = Replacement1 (eg. Debug:BasicRuntimeChecks="3":BasicRuntimeChecks="0")
                if (args.Length <= 1)
                {
                    Console.WriteLine("Usage: AbsoluteSolutionPath Replacement0 [Replacement1] [Replacement2] [...]");
                    return;
                }

                // Get replacements from command line
                string pathSolution = args[0];
                List<string> replacements = new List<string>();
                
                for (int i=1; i<args.Length; i++)
                    replacements.Add(args[i]);

                // 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("Configuring " + Path.GetFileName(pathProject));
                        ApplyReplacementsInProject(pathProject, replacements);
                    }
                }

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

        public static void ApplyReplacementsInProject(string pathProject, List<string> replacements)
        {
            bool isInConfiguration = false;
            string currentConfigurationName = string.Empty;
            
            // 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)
            {
                string lineProjectFinal = lineProject;

                if (lineProject.Contains("<Configuration") &&
                    !lineProject.Contains("<Configurations>"))
                    isInConfiguration = true;
                else if (lineProject.Contains("</Configuration>"))
                {
                    isInConfiguration = false;
                    currentConfigurationName = string.Empty;
                }
                else if (isInConfiguration && 
                         currentConfigurationName == string.Empty &&
                         lineProject.Contains("Name="))
                {
                    currentConfigurationName = lineProject;
                    currentConfigurationName = currentConfigurationName.Replace("Name=", "");
                    currentConfigurationName = currentConfigurationName.Trim('\t', '"', ' ');
                }

                if (isInConfiguration && 
                    currentConfigurationName != string.Empty)
                {
                    foreach (string replacement in replacements)
                    {
                        // Get the replacement info
                        string[] replacementInfo = replacement.Split(':');
                        if (replacementInfo.Length != 3)
                            throw new ApplicationException("Invalid replacement information: " + replacement);

                        if (currentConfigurationName.StartsWith(replacementInfo[0]))
                        {
                            // We are in the desired configuration
                            lineProjectFinal = lineProjectFinal.Replace(replacementInfo[1], replacementInfo[2]);
                        }
                    }
                }

                // Write the final line
                writer.WriteLine(lineProjectFinal);
            }

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