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

namespace MP.FileData
{
    public class FileUtils
    {
        #region Public Methods

        /// <summary>
        /// Elenco dei file data la directory da controllare
        /// </summary>
        /// <param name="path"></param>
        /// <param name="searchPattern"></param>
        /// <returns></returns>
        public static FileInfo[] GetFileList(string path, string searchPattern)
        {
            //string[] answ = Directory.GetFiles(path, searchPattern);
            DriveInfo di = new DriveInfo(path);
            DirectoryInfo dirInfo = di.RootDirectory;
            FileInfo[] answ = dirInfo.GetFiles("*.*");

            return answ;
        }

        public static async Task SaveToCsv<T>(List<T> reportData, string path)
        {
            var lines = new List<string>();
            IEnumerable<PropertyDescriptor> props = TypeDescriptor.GetProperties(typeof(T)).OfType<PropertyDescriptor>();
            var header = string.Join(";", props.ToList().Select(x => x.Name));
            lines.Add(header);
            var valueLines = reportData.Select(row => string.Join(";", header.Split(';').Select(a => row.GetType().GetProperty(a).GetValue(row, null))));
            lines.AddRange(valueLines);
            await Task.Run(() => File.WriteAllLines(path, lines.ToArray()));
        }

        #endregion Public Methods
    }
}