package com.oliverstudio.fastlander.utils;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;

import androidx.annotation.NonNull;

import com.oliverstudio.fastlander.R;

public class FingerLineView extends View {

    private float startX;
    private float startY;
    private float endX;
    private float endY;

    private MapView mMapView;

    private boolean mClearCanvas = false;

    public FingerLineView(Context context) {
        this(context, null);

    }

    public FingerLineView(Context context, AttributeSet attrs) {
        super(context, attrs);
        setWillNotDraw(false);
        setLayerType(LAYER_TYPE_HARDWARE, null);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);

        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
        paint.setStyle(Paint.Style.STROKE);
        paint.setStrokeWidth(13.0f);
        paint.setColor(getResources().getColor(R.color.colorWhiteArrowLine));

        canvas.drawLine(startX, startY, endX, endY, paint);

        if (mClearCanvas) {
            Paint transparentPaint = new Paint();
            transparentPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
            canvas.drawRect(0, 0, getWidth(), getHeight(), transparentPaint);
        }
    }

    @Override
    public boolean onTouchEvent(@NonNull MotionEvent event) {
        switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN:

                Utils.simulateTap(event.getX(), event.getY(), mMapView);

                startX = event.getX();
                startY = event.getY();
                endX = event.getX();
                endY = event.getY();
                invalidate();
                break;
            case MotionEvent.ACTION_MOVE:
                endX = event.getX();
                endY = event.getY();
                invalidate();
                break;
            case MotionEvent.ACTION_UP:

                Utils.simulateTap(event.getX(), event.getY(), mMapView);

                endX = event.getX();
                endY = event.getY();

                mClearCanvas = true;

                invalidate();

                setVisibility(View.GONE);
                break;
        }
        return true;
    }

    public void attachMapView(MapView mapView) {
        mMapView = mapView;
    }

}