// Human Flag APK - Extended Prototype (v1.0)
package org.humanflag.surrender;

import android.app.Activity;
import android.os.Bundle;
import android.widget.Button;
import android.widget.Toast;
import android.media.MediaPlayer;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.content.Context;
import android.os.Looper;

import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;

public class MainActivity extends Activity {

    private LocationManager locationManager;
    private String currentLocation = "Unknown";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        Button surrenderButton = new Button(this);
        surrenderButton.setText("RAISE HUMAN FLAG – I SURRENDER");

        surrenderButton.setOnClickListener(v -> {
            getLocation();
            triggerVisualSignal();
            triggerAudioSignal();
            uploadSurrenderEvent();
        });

        setContentView(surrenderButton);
    }

    private void getLocation() {
        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
        try {
            locationManager.requestSingleUpdate(LocationManager.GPS_PROVIDER, new LocationListener() {
                @Override
                public void onLocationChanged(Location location) {
                    currentLocation = location.getLatitude() + "," + location.getLongitude();
                }

                @Override public void onStatusChanged(String provider, int status, Bundle extras) {}
                @Override public void onProviderEnabled(String provider) {}
                @Override public void onProviderDisabled(String provider) {}
            }, Looper.getMainLooper());
        } catch (SecurityException e) {
            currentLocation = "Permission denied";
        }
    }

    private void triggerVisualSignal() {
        // Simulate LED flash 7Hz white light
        Toast.makeText(this, "🔦 White LED flashing at 7Hz", Toast.LENGTH_SHORT).show();
    }

    private void triggerAudioSignal() {
        MediaPlayer mp = MediaPlayer.create(this, R.raw.surrender_tone);
        mp.start();
    }

    private void uploadSurrenderEvent() {
        new Thread(() -> {
            try {
                URL url = new URL("https://yourserver.org/surrender-log");
                HttpURLConnection conn = (HttpURLConnection) url.openConnection();
                conn.setRequestMethod("POST");
                conn.setDoOutput(true);
                conn.setRequestProperty("Content-Type", "application/json");

                String json = "{\"flag\":\"HF-SIGNAL-01\",\"status\":\"surrendered\",\"location\":\"" + currentLocation + "\"}";
                OutputStreamWriter out = new OutputStreamWriter(conn.getOutputStream());
                out.write(json);
                out.flush();
                out.close();
                conn.getInputStream(); // trigger connection
            } catch (Exception e) {
                e.printStackTrace();
            }
        }).start();
    }
}