using System;
using System.IO;
using Xamarin.Forms;

namespace TreningsApplikasjon.iOS
{
	public class FileAccess : IFileAccess
	{
		public FileAccess ()
		{
		}

		public bool Exists (string filename)
		{
			var filePath = GetFilePath (filename);

			if (File.Exists (filePath)) {
				FileInfo finf = new FileInfo (filePath);
				return finf.Length > 0;
			} else
				return false;
		}

		public string FullPath (string filename)
		{
			var filePath = GetFilePath (filename);
			return filePath;
		}

		/*static string GetFilePath (string filename)
		{
			string documentsPath = Environment.GetFolderPath (Environment.SpecialFolder.Personal); // Documents folder
			string libraryPath = Path.Combine (documentsPath, "..", "Library"); // Library folder
			var path = Path.Combine(libraryPath, filename);
			return path;
		}*/


		static string GetFilePath (string filename)
		{
			var documentsPath = Environment.GetFolderPath (Environment.SpecialFolder.Personal);
			var filePath = Path.Combine (documentsPath, filename);
			return filePath;
		}

		public void WriteStream (string filename, Stream streamIn)
		{
			var filePath = GetFilePath (filename);
			using (var fs = File.Create (filePath)) {
				streamIn.CopyTo (fs);
			}
		}

		public ImageSource GetImage(string filename){
			Image img = new Image ();
			return img.Source = ImageSource.FromFile (FullPath (filename));
		}
	}
}