//
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
//
using System;
using System.Xml;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Security.Cryptography;
using NPanday.Utils;

/// Author: Leopoldo Lee Agdeppa III

namespace NPanday.ProjectImporter.ImporterTests
{
    public class FileUtil
    {
        const string MSG_ERROR_EXPECTEDFILE_NOTFOUND = "The Expected File is not in its location. {0}";
        const string MSG_ERROR_ACTUALFILE_NOTFOUND = "The Pom File is not in its location. {0}";
        const string MSG_ERROR_NOXPATH = "No XPath to cross reference pom file created.";
        const string MSG_EXPECTEDXMLELEMENT_NOTFOUND = "Epected Pom and Actual Pom don't have the same elements.";


        public static bool IsSameFile(string dir1, string dir2)
        {
            string str1 = PomHelperUtility.NormalizeFileToWindowsStyle(Path.GetFullPath(dir1));
            string str2 = PomHelperUtility.NormalizeFileToWindowsStyle(Path.GetFullPath(dir2));
            return str1.Equals(str2, StringComparison.OrdinalIgnoreCase);
        }

        public static void DeleteDirectory(string dir)
        {
            try
            {
                if (Directory.Exists(dir))
                {
                    DeleteDirectoryRecurse(dir);
                }
            }
            catch (Exception e)
            {

                throw new Exception(string.Format("Error In Deleting Directory: {0}", dir), e);
            }

        }

        public static void DeleteDirectoryRecurse(string dir)
        {
            string[] files = Directory.GetFiles(dir);
            string[] dirs = Directory.GetDirectories(dir);

            foreach (string file in files)
            {
                File.SetAttributes(file, FileAttributes.Normal);
                File.Delete(file);
            }

            foreach (string subdir in dirs)
            {
                DeleteDirectoryRecurse(subdir);
            }

            Directory.Delete(dir, false);
        }

        public static void CopyDirectory(String source, String destination)
        {
            CpDir(source, destination);

        }


        public static void CopyDirectory(DirectoryInfo source, DirectoryInfo destination)
        {
            CpDir(source, destination);

        }


        static void CpDir(String source, String destination)
        {

            // argument validation goes here, CBA to do it now

            DirectoryInfo destDir = new DirectoryInfo(destination);

            // do not copy subversion information
            if (destDir.Name == ".svn" || destDir.Name == "_svn")
                return;

            if (!destDir.Exists)
            {
                destDir.Create();
            }

            DirectoryInfo dir = new DirectoryInfo(source);
            FileInfo[] files = dir.GetFiles();
            foreach (FileInfo filePath in files)
            {
                if (filePath.Name != null && !filePath.Name.EndsWith(".test"))
                    filePath.CopyTo(Path.Combine(destination, filePath.Name));
            }


            DirectoryInfo[] subDirectories = dir.GetDirectories();
            foreach (DirectoryInfo dirPath in subDirectories)
            {
                CpDir(Path.Combine(source, dirPath.Name), Path.Combine(destination, dirPath.Name));
            }


        }


        static void CpDir(DirectoryInfo source, DirectoryInfo destination)
        {
            CpDir(source.FullName, destination.FullName);
        }


        public static string[] GetTestPomFiles(string rootPath, string[] actualPomFileLocations)
        {

            List<string> outPut = new List<string>();
            //File.Delete(filename);

            if (actualPomFileLocations.Length < 1) return outPut.ToArray();

            string basePath = parseBasePath(rootPath, actualPomFileLocations[0]);
            foreach (string actualPomFileLocation in actualPomFileLocations)
            {
                outPut.Add(actualPomFileLocation.Replace(".xml", ".test").Replace(basePath, rootPath));
            }
            return outPut.ToArray();
        }
        static string parseBasePath(string replaceWith, string basePath)
        {
            string returnValue = basePath;
            if (string.IsNullOrEmpty(returnValue)) return returnValue;
            int endIndex = returnValue.LastIndexOf('\\');
            if (endIndex < 0) return returnValue;
            returnValue = returnValue.Substring(0, endIndex + 1);
            return returnValue;
        }

        public static string GetBaseDirectory()
        {
            string current = Path.GetFullPath(Directory.GetCurrentDirectory());
            string basedir = current.Substring(0, current.LastIndexOf("target"));
            return basedir;
        }
    }
}