using System;
using Serilog;
using ShareeBike.Model.Device;
using Xamarin.Forms;

[assembly: Dependency(typeof(ShareeBike.Droid.Model.Device.SpecialFolder))]
namespace ShareeBike.Droid.Model.Device
{
	public class SpecialFolder : ISpecialFolder
	{
		/// <summary> Get the folder name of external folder to write to. </summary>
		/// <returns> Name of the external folder. </returns>
		public string GetExternalFilesDir()
		{
			string baseFolderPath = string.Empty;
			try
			{
				var context = Android.App.Application.Context;
				Java.IO.File[] dirs = context.GetExternalFilesDirs(null);

				foreach (Java.IO.File folder in dirs)
				{
					bool IsRemovable = Android.OS.Environment.InvokeIsExternalStorageRemovable(folder);
					bool IsEmulated = Android.OS.Environment.InvokeIsExternalStorageEmulated(folder);

					if (IsRemovable
						&& !IsEmulated)
					{
						baseFolderPath = folder.Path;
					}
				}
			}

			catch (Exception l_oException)
			{
				Log.Error("Getting external files directory failed. {@l_oException}", l_oException);
			}

			return baseFolderPath;
		}

		/// <summary> Gets the folder name of the personal data folder dir on internal storage. </summary>
		/// <returns>Directory name.</returns>
		public string GetInternalPersonalDir()
		{
			return Environment.GetFolderPath(Environment.SpecialFolder.Personal);
		}
	}
}