// TriColor Example
// Source Code File: MainActivity.java

package it372.ssmith.tricolor;
import android.graphics.Color;
import android.os.Bundle;
import android.widget.LinearLayout;
import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;

public class MainActivity extends AppCompatActivity {

    // red=0  green=1 blue=2
    int colorCode = 0;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        EdgeToEdge.enable(this);
        setContentView(R.layout.activity_main);
        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
            return insets;
        });

        LinearLayout layout = findViewById(R.id.main);
        layout.setOnClickListener( view -> {
            if (colorCode == 0) {
                layout.setBackgroundColor(Color.GREEN);
                colorCode = 1;
            }
            else if (colorCode == 1) {
                layout.setBackgroundColor(Color.BLUE);
                colorCode = 2;
            }
            else {
                layout.setBackgroundColor(Color.RED);
                colorCode = 0;
            }
        });
    }
}