using Android.App;
using Android.Content;
using Android.Content.PM;
using Android.OS;
using Android.Views;
using System.Diagnostics;

namespace Neighbourhood.omg.lol {
  [Activity(Exported = true, Theme = "@style/Maui.SplashTheme", LaunchMode = LaunchMode.SingleTop, MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.Density)]
  [IntentFilter([Intent.ActionSend], Categories = [Intent.CategoryDefault], DataMimeType = "text/plain")]
  [IntentFilter([Intent.ActionSend], Categories = [Intent.CategoryDefault], DataMimeType = "*/*")]
  public class MainActivity : MauiAppCompatActivity {

    protected override void OnCreate(Bundle? savedInstanceState) {
      base.OnCreate(savedInstanceState);

      // In case the app was opened (on first load) with an `ActionView` intent
      OnNewIntent(this.Intent);
    }

    protected override void OnNewIntent(Intent? intent) {
      base.OnNewIntent(intent);
      if (intent != null && intent.Type != null) {
			  if (intent.Type.StartsWith("text/")) //string 
        {
          string? subject = intent.GetStringExtra(Intent.ExtraSubject);
          string? shareString = intent.GetStringExtra(Intent.ExtraText);
          if (!string.IsNullOrWhiteSpace(shareString)) {
            State state = IPlatformApplication.Current!.Services.GetService<State>()!;
            state.ShareStringSubject = subject;
            state.ShareString = shareString;
          }
        }
        else if (intent.Type.StartsWith("image/")) //image
        {
          string? shareString = intent.GetStringExtra(Intent.ExtraText);
          Java.Lang.Object? extra;
          if (OperatingSystem.IsAndroidVersionAtLeast(33))
            extra = intent.GetParcelableExtra(Intent.ExtraStream, Java.Lang.Class.FromType(typeof(Android.Net.Uri)));
          else extra = intent.GetParcelableExtra(Intent.ExtraStream);

          if (extra is Android.Net.Uri) {
            Stream? stream = ContentResolver?.OpenInputStream((Android.Net.Uri)extra);
            byte[] bytes = new byte[stream?.Length ?? 0];
            stream?.Read(bytes, 0, bytes.Length);
            string base64String = Convert.ToBase64String(bytes);
            if (!string.IsNullOrWhiteSpace(base64String)) {
              State state = IPlatformApplication.Current!.Services.GetService<State>()!;
              state.SharePhotoContentType = intent.Type;
              state.SharePhotoSize = bytes.Length;
              state.SharePhotoText = shareString;
              state.SharePhoto = base64String;
            }
          }
        }
        else if (intent.Type.Equals(Intent.ActionSendMultiple)) //Multiple files
        {
          // TODO: we don't really support this at the moment.
          //System.Collections.IList? uriList;
          //if (OperatingSystem.IsAndroidVersionAtLeast(33))
          //  uriList = intent.GetParcelableArrayListExtra(Intent.ExtraStream, Java.Lang.Class.FromType(typeof(Android.Net.Uri)));
          //else uriList = intent.GetParcelableArrayListExtra(Intent.ExtraStream);
        }
      }
    }
  }
}