import java.util.ArrayList;
import java.util.List;

import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.ItemizedOverlay;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;
import com.google.android.maps.OverlayItem;
import com.google.android.maps.Projection;

public class MapScreen extends MapActivity implements OnClickListener {
    MapView mapView;
    List<Overlay> overlayList;
    Drawable markerDrawable;
    MapOverlays myMapOverlay;

    @Override
    protected boolean isRouteDisplayed() {
        return false;
    }

    public void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        setContentView(R.layout.map_layout);

        mapView = (MapView) findViewById(R.id.mapview);
        mapView.setBuiltInZoomControls(true);
        mapView.setOnClickListener(this);
        MapController mapController = mapView.getController();

        ImageView back_btn = (ImageView)findViewById(R.id.map_back_btn);
        back_btn.setOnClickListener(this);

        overlayList = mapView.getOverlays();
        markerDrawable = this.getResources().getDrawable(R.drawable.pin);
        myMapOverlay = new MapOverlays(markerDrawable);
        GeoPoint geoPoint = new GeoPoint((int)(PrefBean.getLatitude()*1E6),(int)(PrefBean.getLongitude()*1E6));
        myMapOverlay.addOverlay(new OverlayItem(geoPoint,"",""));

        mapController.setZoom(15);
        mapController.animateTo(geoPoint);

        overlayList.add(myMapOverlay);


    }

    /*
     * Handle click events of the navigation buttons
     * @see android.view.View.OnClickListener#onClick(android.view.View)
     */
    @Override
    public void onClick(View v) {
        if(v.getId() == R.id.map_back_btn){
            this.finish();
        }
    }







    /*
     * Class that manages all the overlays that are drawn on the map.
     * inluding:
     * - The Pin Marker
     * - The Range Circle
     * - The dragger
     */
    public class MapOverlays extends ItemizedOverlay {

        private ArrayList<OverlayItem> overlayArray = new ArrayList<OverlayItem>();

        public MapOverlays(Drawable marker) {
            super(boundCenterBottom(marker));
        }

        /*
         * Adds overlay items in the overlayArray
         */
        public void addOverlay(OverlayItem overlay) {
            overlayArray.add(overlay);
            populate();
        }

        public void removeAll(){
            overlayArray.remove(0);
        }

        /*
         * Returns the particular item found at the i'th position of overlayArray
         * @see com.google.android.maps.ItemizedOverlay#createItem(int)
         */
        @Override
        protected OverlayItem createItem(int i) {
            return overlayArray.get(i);
        }

        /*
         * Returns the size of the overlayArray
         * @see com.google.android.maps.ItemizedOverlay#size()
         */
        @Override
        public int size() {
            return overlayArray.size();
        }

        @Override
        public boolean onTouchEvent(MotionEvent event, MapView mapView) {
            if(event.getAction() == MotionEvent.ACTION_UP){
                Projection proj = mapView.getProjection();
                GeoPoint loc = proj.fromPixels((int)event.getX(), (int)event.getY());
                int latitude = (int)(loc.getLongitudeE6());
                int longitude = (int)(loc.getLatitudeE6());

                overlayList.clear();
                mapView.invalidate();

//              myMapOverlay.removeAll();
                myMapOverlay.addOverlay(new OverlayItem(new GeoPoint(latitude,longitude),"", ""));

//              overlayList.remove(0);
                overlayList.add(myMapOverlay);

                mapView.invalidate();
                Log.d("POINTS on click-->",""+latitude+", "+longitude);
                Log.d("##","Moved and Clicked");
            }

            return super.onTouchEvent(event,mapView);
        }

    }




}