using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace AIFileCopyTool
{
    internal class DirectoryHelper
    {
        /// <summary>
        /// Move directory between different path
        /// </summary>
        /// <param name="sourcePath">The source path</param>
        /// <param name="destPath">The destination path</param>
        /// <returns></returns>
        public static bool MoveDirectory(string sourcePath, string destPath)
        {
            try
            {
                var succes = CopyDirectory(sourcePath, destPath);
                if (succes)
                {
                    DeleteDirectory(sourcePath);
                }
                else
                {
                    return false;
                }
            }
            catch (Exception e)
            {
                return false;
            }
            return true;
        }

        /// <summary>
        /// Move directory between different path
        /// </summary>
        /// <param name="sourcePath">The source path</param>
        /// <param name="destPath">The destination path</param>
        /// <returns></returns>
        public static bool MoveDirectoryContent(string sourcePath, string destPath)
        {
            try
            {
                var succes = CopyDirectoryContent(sourcePath, destPath);
                if (succes)
                {
                    DeleteDirectory(sourcePath);
                }
                else
                {
                    return false;
                }
            }
            catch (Exception e)
            {
                return false;
            }
            return true;
        }

        /// <summary>
        /// Copy directory and files
        /// </summary>
        /// <param name="sourcePath">The source path</param>
        /// <param name="destPath">The destination path</param>
        public static bool CopyDirectory(string sourcePath, string destPath)
        {
            try
            {
                DirectoryInfo sourceInfo = new DirectoryInfo(sourcePath);
                var destFolder = Path.Combine(destPath, sourceInfo.Name);
                CreateDirectory(destFolder);
                foreach (FileInfo file in sourceInfo.GetFiles())
                {
                    file.CopyTo(Path.Combine(destFolder, file.Name), true);
                }
                foreach (DirectoryInfo dirinfo in sourceInfo.GetDirectories())
                {
                    CopyDirectory(dirinfo.FullName, destFolder);
                }
            }
            catch (Exception ex)
            {
                return false;
            }

            return true;
        }

        /// <summary>
        /// Copy directory content to another directory.
        /// </summary>
        /// <param name="sourcePath">The source path.</param>
        /// <param name="destPath">The destination path.</param>
        /// <returns></returns>
        public static bool CopyDirectoryContent(string sourcePath, string destPath)
        {
            try
            {
                if (Directory.Exists(sourcePath))
                {
                    CreateDirectory(destPath);
                    var sourceInfo = new DirectoryInfo(sourcePath);
                    foreach (FileInfo file in sourceInfo.GetFiles())
                    {
                        file.CopyTo(Path.Combine(destPath, file.Name), true);
                    }
                    foreach (DirectoryInfo dirinfo in sourceInfo.GetDirectories())
                    {
                        var destFolder = Path.Combine(destPath, dirinfo.Name);
                        CopyDirectoryContent(dirinfo.FullName, destFolder);
                    }
                }
            }
            catch (Exception ex)
            {
                return false;
            }

            return true;
        }


        /// <summary>
        /// Copy directory content to another directory.
        /// </summary>
        /// <param name="sourcePath">The source path.</param>
        /// <param name="destPath">The destination path.</param>
        /// <returns></returns>
        public static bool CopyDirectoryContentWithoutDirectory(string sourcePath, string destPath)
        {
            try
            {
                if (Directory.Exists(sourcePath))
                {
                    CreateDirectory(destPath);
                    var sourceInfo = new DirectoryInfo(sourcePath);
                    foreach (FileInfo file in sourceInfo.GetFiles())
                    {
                        file.CopyTo(Path.Combine(destPath, file.Name), true);
                    }
                }
            }
            catch (Exception ex)
            {
                return false;
            }

            return true;
        }

        /// <summary>
        /// Copy directory and specific files
        /// </summary>
        /// <param name="sourcePath">The source path</param>
        /// <param name="destPath">The dest path</param>
        /// <param name="extensions">The file extensions</param>
        public static bool CopyDirectoryContent(string sourcePath, string destPath, IEnumerable<string> fileExtensions)
        {
            try
            {
                if (Directory.Exists(sourcePath))
                {
                    CreateDirectory(destPath);
                    var sourceInfo = new DirectoryInfo(sourcePath);
                    foreach (FileInfo file in sourceInfo.GetFiles().Where(f => fileExtensions.Contains(f.Extension)))
                    {
                        file.CopyTo(Path.Combine(destPath, file.Name), true);
                    }
                    foreach (DirectoryInfo dirinfo in sourceInfo.GetDirectories())
                    {
                        var destFolder = Path.Combine(destPath, dirinfo.Name);
                        CopyDirectoryContent(dirinfo.FullName, destFolder, fileExtensions);
                    }
                }
            }
            catch (Exception ex)
            {
                return false;
            }

            return true;
        }

        public static void CreateDirectory(string directory)
        {
            if (!Directory.Exists(directory))
            {
                Directory.CreateDirectory(directory);
            }
        }

        /// <summary>
        /// Delete directory
        /// </summary>
        /// <param name="directory"></param>
        public static bool DeleteDirectory(string directory)
        {
            try
            {
                if (!Directory.Exists(directory))
                {
                    return true;
                }
                var files = Directory.GetFiles(directory);
                var directories = Directory.GetDirectories(directory);
                foreach (var file in files)
                {
                    File.SetAttributes(file, FileAttributes.Normal);
                    File.Delete(file);
                }

                foreach (var dir in directories)
                {
                    DeleteDirectory(dir);
                }

                Directory.Delete(directory, false);
            }
            catch (Exception ex)
            {
                return false;
            }

            return true;
        }
    }
}