package fr.utbm.lo53.p2017.positionningapp;

import android.os.Bundle;
import android.os.Handler;
import android.support.constraint.ConstraintLayout;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.widget.ImageView;
import android.widget.TextView;

import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.Volley;

import org.json.JSONObject;

public class PositioningActivity extends BaseActivity {

    private static final String TAG = "PositioningActivity";

    private ConstraintLayout start_layout;
    private TextView textView;

    private Animation hideAnimation;

    // Instantiate the RequestQueue.
    private RequestQueue queue;

    private boolean isLocating = false;

    // Request a string response from the provided URL.
    private JsonObjectRequest stringRequest;

    private final Handler handler = new Handler();
    private final Runnable runnable = new Runnable() {
        @Override
        public void run() {
            // Create request
            stringRequest = new JsonObjectRequest(Request.Method.GET,
                    getURLSolver().locateURL(),
                    null,
                    new Response.Listener<JSONObject>() {
                        @Override
                        public void onResponse(JSONObject response) {
                            textView.setText("Response is: "+ response.toString().substring(0,500));
                        }
                    }, new Response.ErrorListener() {
                @Override
                public void onErrorResponse(VolleyError error) {
                    textView.setText("Error: " + error.getMessage());
                    Log.i(TAG, "Error during location request");
                }
            });
            Log.v(TAG, "" + stringRequest);
            queue.add(stringRequest);

            handler.postDelayed(runnable, 1000);
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_positioning);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        start_layout = (ConstraintLayout) findViewById(R.id.start_layout);
        initFadeOutAndHideAnimation();

        textView = (TextView) findViewById(R.id.ID_yolo);

        queue = Volley.newRequestQueue(this);
    }

    @Override
    protected void onPause() {
        super.onPause();
        handler.removeCallbacks(runnable);
    }

    @Override
    protected void onResume() {
        super.onResume();
        if (isLocating) {
            handler.post(runnable);
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        super.onCreateOptionsMenu(menu);
        MenuItem item = menu.findItem(R.id.open_calibration_activity);
        item.setVisible(true);
        return true;
    }

    public void startLocating(View v) {
        if (isLocating) {
            return;
        }

        isLocating = true;
        start_layout.startAnimation(hideAnimation);

        handler.post(runnable);
    }

    private void initFadeOutAndHideAnimation() {
        ImageView hiding_image = (ImageView) findViewById(R.id.hiding_image);
        final float initial_alpha = hiding_image.getImageAlpha() / 255;
        Animation animation = new AlphaAnimation(initial_alpha, 0);
        animation.setInterpolator(new AccelerateInterpolator());
        animation.setDuration(1000);

        animation.setAnimationListener(new Animation.AnimationListener() {
            public void onAnimationEnd(Animation animation) {
                start_layout.setVisibility(View.GONE);
            }
            public void onAnimationRepeat(Animation animation) {}
            public void onAnimationStart(Animation animation) {}
        });
        hideAnimation = animation;
    }
}