package com.example.serial;
import static java.lang.Thread.sleep;

import androidx.appcompat.app.AppCompatActivity;

import android.graphics.PorterDuff;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

public class LedActivity extends AppCompatActivity {
    private boolean redTag = false;
    private boolean greenTag = false;
    private boolean yellowTag = false;
    private Button ledRed = null;
    private Button ledGreen = null;
    private Button ledYellow = null;
    private ImageView imageRed = null;
    private ImageView imageGreen = null;
    private ImageView imageYellow = null;
    private LedControl ledControl;


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

        setContentView(R.layout.activity_led);

        ledRed = (Button)findViewById(R.id.red);
        ledYellow = (Button)findViewById(R.id.yellow);
        ledGreen = (Button)findViewById(R.id.green);

        imageRed = findViewById(R.id.imageRed);
        imageYellow = findViewById(R.id.imageYellow);
        imageGreen = findViewById(R.id.imageGreen);

        ledControl = new LedControl();
        ledControl.ledCtrl(1, 0);
        try {
            sleep(1);
            ledControl.ledCtrl(1, 1);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }


        ledRed.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v) {
                redTag = !redTag;
                if( redTag ) {
                    if(ledControl.ledCtrl(0, 0) < 0)
                        Toast.makeText(LedActivity.this, "点亮红灯失败", Toast.LENGTH_SHORT).show();
                    else
                        imageRed.setColorFilter(getResources().getColor(android.R.color.holo_red_light), PorterDuff.Mode.SRC_IN);
                }else{
                    if(ledControl.ledCtrl(0, 1) < 0)
                        Toast.makeText(LedActivity.this, "关闭红灯失败", Toast.LENGTH_SHORT).show();
                    else
                        imageRed.setColorFilter(getResources().getColor(android.R.color.darker_gray), PorterDuff.Mode.SRC_IN);
                }
            }
        });
        ledYellow.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v) {
                yellowTag = !yellowTag;
                if( yellowTag ) {
                    if( ledControl.ledCtrl(1, 0) < 0){
                        Toast.makeText(LedActivity.this, "点亮黄灯失败!", Toast.LENGTH_SHORT).show();
                    }else {
                        imageYellow.setColorFilter(getResources().getColor(android.R.color.holo_orange_light), PorterDuff.Mode.SRC_IN);
                    }
                }else{
                    if( ledControl.ledCtrl(1, 1) < 0 ){
                        Toast.makeText(LedActivity.this, "关闭黄灯失败!", Toast.LENGTH_SHORT).show();
                    }else
                        imageYellow.setColorFilter(getResources().getColor(android.R.color.darker_gray), PorterDuff.Mode.SRC_IN);
                }
            }
        });

        ledGreen.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v) {
                greenTag = !greenTag;
                if( greenTag ) {
                    if(ledControl.ledCtrl(2, 0) < 0)
                        Toast.makeText(LedActivity.this, "打开绿灯失败", Toast.LENGTH_SHORT).show();
                    else
                        imageGreen.setColorFilter(getResources().getColor(android.R.color.holo_green_light), PorterDuff.Mode.SRC_IN);
                }else{
                    if(ledControl.ledCtrl(2, 1) < 0)
                        Toast.makeText(LedActivity.this, "关闭绿灯失败", Toast.LENGTH_SHORT).show();
                    else
                        imageGreen.setColorFilter(getResources().getColor(android.R.color.darker_gray), PorterDuff.Mode.SRC_IN);
                }
            }
        });

        ledControl.ledCtrl(0, 1);
        ledControl.ledCtrl(1, 1);
        ledControl.ledCtrl(2, 1);
    }
}