using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Runtime.Serialization;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;

namespace BS.SharedLauncher.DataContract
{
    [DebuggerDisplay("{FileName} ({FileVersion})")]
    [DataContract]
    public class BeWoProgramFileDC
    {
        public BeWoProgramFileDC() : this(null, null, null, FileToDo.Nuthing) { }

        public BeWoProgramFileDC(string filename, Version version) : this(filename, version, null, FileToDo.Nuthing) { }

        public BeWoProgramFileDC(string filename, Version version, byte[] data, FileToDo todo)
        {
            FileName = filename;
            FileVersion = version;
            FileData = data;
            ToDo = todo;
        }

        public BeWoProgramFileDC(FileInfo fi)
        {
            FileName = fi.Name;
            FileExtension = fi.Extension;
            FullPath = fi.FullName;
            FileVersion = new Version(FileVersionInfo.GetVersionInfo(fi.FullName).FileVersion ?? "0.0.0.0");
            ToDo = FileToDo.Nuthing;

            using (var md5 = MD5.Create())
            {
                using (var stream = File.OpenRead(FullPath))
                {
                    Checksum = BitConverter.ToString(md5.ComputeHash(stream)).Replace("-", "").ToLowerInvariant();
                }
            }
        }        

        [DataMember]
        public string FileName { get; set; }

        [DataMember]
        public string FileExtension { get; set; }

        [DataMember]
        public Version FileVersion { get; set; }

        [DataMember]
        public string FullPath { get; set; }

        [DataMember]
        public byte[] FileData { get; set; }

        [DataMember]
        public FileToDo ToDo { get; set; }

        [DataMember]
        public string Checksum { get; set; }
    }
}