package net.sadaji.speedmter;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.View;

public class SpeedView extends View {
    private MainActivity m_Activity;
    //コンストラクタ
    SpeedView(Context context) {
        super(context);
        m_Activity = (MainActivity) context;
    }

    @Override
    protected void onDraw(Canvas canvas) {
        drawDistance(canvas);
        drawSpeed(canvas);
        drawAccuracy(canvas);
        drawAltitude(canvas);
    }


    private void drawText(Canvas canvas, String str, int x, int y) {
        Paint paint = new Paint();
        paint.setAntiAlias(true);
        paint.setTextSize(56);
        paint.setColor(Color.BLACK);
        paint.setTextSize(160.0f);
        canvas.drawText(str, x, y, paint);
    }

    private void drawDistance(Canvas canvas) {
        String str;
        double distance = m_Activity.getTotalDistance();
        if(distance >= 1000.0){
            str = String.format("%.1f km", distance / 1000.0);
        }
        else{
            str = String.format("%.1f m", distance);
        }
        drawText(canvas, "移動距離", 0,  200);
        drawText(canvas, str, 0,  350);
    }


    private void drawSpeed(Canvas canvas){
        String str;
        double speed = m_Activity.getSpeed() * 3600 / 1000;//km
            str = String.format("%.0f km / h", speed);
        drawText(canvas, "速度", 0,  600);
        drawText(canvas, str, 0,  800);

    }

    private void drawAccuracy(Canvas canvas){
        String str;
        double accuracy = m_Activity.getAccuracy();
        str = String.format("%.0f m", accuracy);
        drawText(canvas, "精度", 0,  1000);
        drawText(canvas, str, 0,  1200);

    }

    private void drawAltitude(Canvas canvas){
        String str;
        double altitude = m_Activity.getAltitude();
        str = String.format("%.0f m", altitude);
        drawText(canvas, "標高", 0,  1400);
        drawText(canvas, str, 0,  1600);

    }
}