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

namespace SL_Switcher
{
	public class FileCopy : FileOperation
	{
		private string m_source_root;

		public FileCopy(string srcroot, string dstroot, string filename) : base(dstroot,filename)
		{
			this.SourceRoot = srcroot;
		}

		public string Source
		{
			get { return Path.Combine(m_source_root, this.Filename); }
		}

		public override void Execute()
		{
			Directory.CreateDirectory(Path.GetDirectoryName(this.Destination));
			File.Copy(this.Source, this.Destination, true);

			DateTime writetime = File.GetLastWriteTime(this.Destination);
			File.SetLastWriteTime(this.Destination, writetime);
		}

		public override string ToString()
		{
			return "Copy " + this.Source + " to " + this.Destination;
		}

		public override int ProgressValue
		{
			get	{ 
				FileInfo fi = new FileInfo(this.Source);
				return (int)fi.Length;
			}
		}

		public string SourceRoot {
			get { return m_source_root;}
			set { m_source_root = value;}
		}

		public override bool ActionNeeded()
		{
			if (!File.Exists(this.Destination))
			{
				return true;
			}

			FileInfo src = new FileInfo(this.Source);
			FileInfo dst = new FileInfo(this.Destination);

			return ((src.Length != dst.Length) || (src.LastWriteTime != dst.LastWriteTime));
		}
//		override  


	}
}