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

namespace bsmd.Tool
{
    class CleanupFiles
    {

        /// <summary>
        /// Alle XML Dateien in einem Dateipfad(rootPath) (recursive) löschen, die älter als (staleDays) Tage sind
        /// </summary>
        /// <param name="rootPath"></param>
        /// <param name="staleDays"></param>
        /// <param name="recursive"></param>
        public static void Cleanup(string rootPath, int staleDays, bool recursive)
        {
            if (!Directory.Exists(rootPath)) throw new ArgumentException("directory does not exist");
            foreach (string file in Directory.GetFiles(rootPath, "*.xml"))
            {
                double age = (DateTime.Now - File.GetCreationTime(file)).TotalDays;
                if (age > staleDays)
                {
                    Console.WriteLine(file + " - " + age.ToString());
                    File.Delete(file);
                }
            }

            if(recursive)
            {
                foreach (string directory in Directory.GetDirectories(rootPath))
                    Cleanup(directory, staleDays, recursive);
            }
        }

    }
}