import java.util.function.Consumer;
import android.app.Activity;
import android.content.Context;
import android.view.ContextThemeWrapper;
import android.view.ViewGroup;
import android.view.Gravity;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.LinearLayout;
import android.widget.ScrollView;
import android.widget.TextView;
import android.widget.Button;
import android.graphics.Color;
import com.google.android.material.textfield.TextInputLayout;
import com.google.android.material.textfield.TextInputEditText;
import com.google.android.material.materialswitch.MaterialSwitch;
import com.google.android.material.slider.Slider;
import com.google.android.material.checkbox.MaterialCheckBox;
import com.google.android.material.appbar.MaterialToolbar;
import io.reactivex.subjects.SingleSubject;
import android.content.res.Resources;
import com.google.android.material.button.MaterialButton;
import com.google.android.material.color.DynamicColors;

/*───────────────────────────────────────────────────────────────
showM3FullScreenSettings(String title)
**Force Fullscreen Activity UI**
Uses MATCH_PARENT for the root layout and applies window flags
to ensure it covers the entire screen, not just a dialog area.
───────────────────────────────────────────────────────────────*/
public String showM3FullScreenSettings(String title) {
    resultSignal = SingleSubject.create();


    uiLogic = new Consumer() {
        accept(Object activityObj) {
            final Activity activity = (Activity) activityObj;

            /* 1. Force Activity Window to Full Size */
            window = activity.getWindow();
            window.requestFeature(Window.FEATURE_NO_TITLE);

            /* Hide status bar and navigation bar for true full screen */
            window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
            window.setLayout(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.MATCH_PARENT);

            /* 2. Resources & Theme Discovery */
            Resources res = activity.getResources();
            String pkg = activity.getPackageName();
            float density = res.getDisplayMetrics().density;
            int padM = (int)(16 * density);

            int themeId = activity.getResources().getIdentifier("Theme.Material3.DynamicColors.Dark", "style", activity.getPackageName());
            activity.setTheme(themeId);

            /* 3. Root Container - Explicitly MATCH_PARENT */
            root = new LinearLayout(activity);
            root.setOrientation(LinearLayout.VERTICAL);
            root.setBackgroundColor(Color.parseColor("#1C1B1F"));

            /* Force the root view to take up the whole screen */
            params = new LinearLayout.LayoutParams(-1, -1);
            root.setLayoutParams(params);

            /* 4. MaterialToolbar */
            toolbar = new MaterialToolbar(activity);
            toolbar.setTitle(title);
            toolbar.setTitleCentered(true);
            toolbar.setElevation(4 * density);
            toolbar.setTitleTextColor(Color.WHITE);
            toolbar.setBackgroundColor(Color.parseColor("#2B2930"));
            root.addView(toolbar);

            /* 5. Scrollable Content Area */
            contentScroll = new ScrollView(activity);
            scrollContent = new LinearLayout(activity);
            scrollContent.setOrientation(LinearLayout.VERTICAL);
            scrollContent.setPadding(padM, padM, padM, padM);
            contentScroll.addView(scrollContent);

            /* Use weight 1.0 to expand and fill available space */
            root.addView(contentScroll, new LinearLayout.LayoutParams(-1, 0, 1.0f));

            /* Profile Name Input */
            nameLayout = new TextInputLayout(activity);
            nameLayout.setHint("Profile Name");
            nameEdit = new TextInputEditText(nameLayout.getContext());
            nameLayout.addView(nameEdit);
            scrollContent.addView(nameLayout);

            /* Toggle Switch Row */
            row = new LinearLayout(activity);
            row.setPadding(0, padM, 0, padM);
            row.setGravity(Gravity.CENTER_VERTICAL);

            label = new TextView(activity);
            label.setText("Enable Analytics");
            label.setTextColor(Color.WHITE);
            label.setLayoutParams(new LinearLayout.LayoutParams(0, -2, 1.0f));

            m3Switch = new MaterialSwitch(activity);

            row.addView(label);
            row.addView(m3Switch);
            scrollContent.addView(row);

            /* Checkbox */
            m3Check = new MaterialCheckBox(activity);
            m3Check.setText("Stay Logged In");
            m3Check.setTextColor(Color.WHITE);
            scrollContent.addView(m3Check);

            /* Slider Section */
            volLabel = new TextView(activity);
            volLabel.setText("Brightness Level");
            volLabel.setTextColor(Color.WHITE);
            volLabel.setPadding(0, padM, 0, 0);
            scrollContent.addView(volLabel);

            m3Slider = new Slider(activity);
            m3Slider.setValueFrom(0.0f);
            m3Slider.setValueTo(100.0f);
            m3Slider.setValue(60.0f);
            scrollContent.addView(m3Slider);

            MaterialButton saveBtn = new MaterialButton(activity);
            saveBtn.setText("SAVE CONFIGURATION");
            saveBtn.setOnClickListener(new android.view.View.OnClickListener() {
                onClick(android.view.View v) {
                    java.util.Map results = new java.util.HashMap();
                    results.put("name", nameEdit.getText().toString());
                    results.put("analytics", m3Switch.isChecked());
                    results.put("stayLoggedIn", m3Check.isChecked());
                    results.put("brightness", m3Slider.getValue());

                    resultSignal.onSuccess(tasker.toJson(results));
                    activity.finish();
                }
            });

            scrollContent.addView(saveBtn);
            activity.getWindow().getDecorView().addOnAttachStateChangeListener(new View.OnAttachStateChangeListener() {
                onViewAttachedToWindow(v) {}
                onViewDetachedFromWindow(v) {
                    activity.finish();
                }
            });
            /* Set the root as content view */
            activity.setContentView(root);
        }
    };

    tasker.doWithActivity(uiLogic);

    return (String) resultSignal.blockingGet();



}

return showM3FullScreenSettings("Material Design Settings");