using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace RenameIt
{
    /// <summary>
    /// List of Directories in Folders.
    /// </summary>
    internal class DirectoriesInFolders
    {
        /// <summary>
        /// List of all Directories.
        /// </summary>
        public List<string> GetDirectoryArray { set; get; }

        /// <summary>
        /// Creates a list which contains all directorynames in a specific folder.
        /// </summary>
        /// <param name="root">Folder which contains files to be listed.</param>
        /// <param name="subFolders">True for scanning subfolders.</param>
        public DirectoriesInFolders(string root, bool subFolders)
        {
            GetDirectoryArray = GetDirectoryList(root, subFolders);
        }

        private List<string> GetDirectoryList(string root, bool subFolders)
        {
            List<string> directoryArray = new List<string>();
            try
            {
                string[] Directories = System.IO.Directory.GetDirectories(root);
                string[] Folders = System.IO.Directory.GetDirectories(root);
                for (int i = 0; i < Directories.Length; i++)
                {
                    directoryArray.Add(Directories[i].ToString());
                }

                if (subFolders == true)
                {
                    for (int i = 0; i < Folders.Length; i++)
                    {
                        directoryArray.AddRange(GetDirectoryList(Folders[i], subFolders));
                    }
                }
            }
            catch (Exception Ex)
            {
                throw (Ex);
            }
            return directoryArray;
        }
    }
}