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

namespace FS_CLIENT
{
    class FileCheck
    {
        List<string> FileList = new List<string>();
        List<string> Unhashed = new List<string>();

        static MemoryStream memory = new MemoryStream();

        public void LoadFiles()
        {
            string line;

            StreamReader reader = new StreamReader(memory);

            while ((line = reader.ReadLine()) != null)
            {
                if (File.Exists(line))
                {
                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.WriteLine("{0} added to the list.", line);
                    FileList.Add(Utility.GetHash(line));
                    Unhashed.Add(line);
                    Console.ForegroundColor = ConsoleColor.Gray;
                }
                else
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("{0} could not be found!", line);
                    FileList.Add("-");
                    Unhashed.Add(line);
                    Console.ForegroundColor = ConsoleColor.Gray;
                }
            }
        }

        public string[] GetHashedFileArray()
        {
            return FileList.ToArray();
        }

        public string[] GetUnhashedFileArray()
        {
            return Unhashed.ToArray();
        }

        public void WriteToStream(string data)
        {
            byte[] buffer = Encoding.ASCII.GetBytes(data);
            memory.Write(buffer, 0, buffer.Length);
            memory.Flush();
            memory.Seek(0, SeekOrigin.Begin);
        }

        public MemoryStream FileCheckList()
        {
            return memory;
        }
    }
}