using System;

using System.Collections.Generic;

using System.Diagnostics;

using System.IO;

using System.Text.RegularExpressions;



namespace Com.Hertkorn.Framework.SourceCodeManagement.VisualStudio

{

    [DebuggerDisplay("{this.GetType().Name}: Path={RawSolutionPath}, Version={Version.ToString()}, Subprojects: {ProjectListe.Count}")]

    public class Solution : ISolutionInfo

    {

        private string m_rawContent = string.Empty;



        public string RawContent

        {

            get { return m_rawContent; }

        }



        private FileInfo m_solutionFile;



        public FileInfo SolutionFile

        {

            get { return m_solutionFile; }

        }

        public string RawSolutionPath

        {

            get { return m_solutionFile.FullName; }

        }



        public Solution(FileInfo solutionFile)

        {

            m_solutionFile = solutionFile;

            StreamReader sr = solutionFile.OpenText();

            m_rawContent = sr.ReadToEnd();

            parseRawContent(m_rawContent);

        }



        protected virtual void parseRawContent(string rawContent)

        {

            parseVersion(rawContent);

            parseProjectListe(rawContent);

        }



        public static readonly string GROUPNAME_VERSION = "version";

        public static readonly Regex PARSE_VERSION_REGEX = new Regex(@"Microsoft Visual Studio Solution File, Format Version (?<" + GROUPNAME_VERSION + ">[0-9\\.]+)", RegexOptions.Compiled | RegexOptions.Multiline);

        protected virtual void parseVersion(string rawContent)

        {

            MatchCollection mc = PARSE_VERSION_REGEX.Matches(rawContent);

            if (mc.Count == 1)

            {

                if (mc[0].Groups[GROUPNAME_VERSION].Value == "10.00")

                {

                    m_version = VisualStudioVersion.VS2008;

                }

            }

        }



        public static readonly string GROUPNAME_PROJECT_TYPE = "type";

        public static readonly string GROUPNAME_PROJECT_GUID = "guid";

        public static readonly string GROUPNAME_PROJECT_NAME = "name";

        public static readonly string GROUPNAME_PROJECT_PATH = "path";

        public static readonly string REGEX_MATCH_GUID = "\\{[a-zA-Z0-9\\-]{36}\\}";

        //Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "De.Hbv.Framework.Helper", "..\De.Hbv.Framework\Helper\Helper\De.Hbv.Framework.Helper.csproj", "{70EE87C0-4295-4681-97FB-1E9549549B8B}"

        public static readonly Regex PARSE_SOLUTION_REGEX

            = new Regex(

                "Project\\(\"(?<" + GROUPNAME_PROJECT_TYPE + ">" + REGEX_MATCH_GUID + ")\"\\) = "

                + "\"(?<" + GROUPNAME_PROJECT_NAME + ">[^\\\"]+)\", "

                + "\"(?<" + GROUPNAME_PROJECT_PATH + ">[^\\\"]+)\", "

                + "\"(?<" + GROUPNAME_PROJECT_GUID + ">" + REGEX_MATCH_GUID + ")\"", 

                RegexOptions.Compiled | RegexOptions.ExplicitCapture | RegexOptions.Multiline);

        protected virtual void parseProjectListe(string rawContent)

        {

            List<ISolutionProjectInfo> projectInfoListe = new List<ISolutionProjectInfo>();

            MatchCollection mc = PARSE_SOLUTION_REGEX.Matches(rawContent);

            foreach (Match match in mc)

            {

#warning TODO: Warum hier 5!?

                if (match.Groups.Count == 5)

                {

                    projectInfoListe.Add(new ProjectSubItem

                    {

                        ProjectTypeGuid = new Guid(match.Groups[GROUPNAME_PROJECT_TYPE].Value),

                        ProjectName = match.Groups[GROUPNAME_PROJECT_NAME].Value,

                        RawProjectPath = match.Groups[GROUPNAME_PROJECT_PATH].Value,

                        ProjectGuid = new Guid(match.Groups[GROUPNAME_PROJECT_GUID].Value)

                    });

                }

            }

            m_projectListe = projectInfoListe;

        }



        private VisualStudioVersion m_version = VisualStudioVersion.Unknown;

        public VisualStudioVersion Version

        {

            get { return m_version; }

        }



        private List<ISolutionProjectInfo> m_projectListe = new List<ISolutionProjectInfo>();

        public IList<ISolutionProjectInfo> ProjectListe

        {

            get { return m_projectListe; }

        }



        private class ProjectSubItem : ISolutionProjectInfo

        {

            #region ISolutionProjectInfo Members



            public Guid ProjectTypeGuid { get; set; }



            public Guid ProjectGuid { get; set; }



            public string ProjectName { get; set; }



            public string RawProjectPath { get; set; }



            #endregion

        }

    }

}