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

[assembly: Dependency(typeof(TINK.Droid.Model.Device.SpecialFolder))]
namespace TINK.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);
        }
    }
}