package com.dofu.hidebars.hidebars;

import android.app.Activity;
import android.graphics.Color;
import android.os.Build;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;

import androidx.core.view.WindowCompat;
import androidx.core.view.WindowInsetsCompat;
import androidx.core.view.WindowInsetsControllerCompat;

import com.google.appinventor.components.annotations.DesignerComponent;
import com.google.appinventor.components.annotations.SimpleFunction;
import com.google.appinventor.components.annotations.SimpleObject;
import com.google.appinventor.components.common.ComponentCategory;
import com.google.appinventor.components.runtime.AndroidNonvisibleComponent;
import com.google.appinventor.components.runtime.ComponentContainer;

@DesignerComponent(
    version = 30, 
    description = "Controla barras del sistema, colores y apariencia. Compatible Android 5.1 a 15.", 
    category = ComponentCategory.EXTENSION, 
    nonVisible = true, 
    iconName="data:image/png;base64,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")
@SimpleObject(external = true)
@SuppressWarnings("deprecation")
public class HideBars extends AndroidNonvisibleComponent {

    private final Activity activity;
    private int currentStatusBarColor;
    private int currentNavBarColor;
    private final int defaultStatusBarColor;
    private final int defaultNavBarColor;
    private boolean isStatusBarVisible = true;
    private boolean isNavBarVisible = true;

    public HideBars(ComponentContainer container) {
        super(container.$form());
        this.activity = container.$context();
        Window window = activity.getWindow();
        this.defaultStatusBarColor = window.getStatusBarColor();
        this.defaultNavBarColor = window.getNavigationBarColor();
        this.currentStatusBarColor = this.defaultStatusBarColor;
        this.currentNavBarColor = this.defaultNavBarColor;
    }

    // --- EDGE-TO-EDGE ---
    private void setEdgeToEdge(boolean enabled) {
        Window window = activity.getWindow();
        WindowCompat.setDecorFitsSystemWindows(window, !enabled);
        if (enabled) {
            window.setStatusBarColor(Color.TRANSPARENT);
            window.setNavigationBarColor(Color.TRANSPARENT);
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
                window.getAttributes().layoutInDisplayCutoutMode = WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
            }
            window.setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS,
                    WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
        } else {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
                window.getAttributes().layoutInDisplayCutoutMode = WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_DEFAULT;
            }
            window.clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
        }
    }

    // --- VISIBILIDAD DE BARRAS ---

    @SimpleFunction(description = "Oculta la Status Bar y activa edge-to-edge.")
    public void HideStatusBar() {
        setEdgeToEdge(true);
        isStatusBarVisible = false;

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            // Modernos: se oculta la status bar, sticky behavior implícito
            WindowInsetsControllerCompat controller = new WindowInsetsControllerCompat(activity.getWindow(),
                    activity.getWindow().getDecorView());
            controller.hide(WindowInsetsCompat.Type.statusBars());
            controller.setSystemBarsBehavior(
                    WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE);
        } else {
            // Antiguos: fullscreen + immersive sticky para simular sticky
            View decor = activity.getWindow().getDecorView();
            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
            decor.setSystemUiVisibility(flags);
        }
    }

    @SimpleFunction(description = "Oculta la Nav Bar con sticky immersive.")
    public void HideNavBar() {
        isNavBarVisible = false;

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            WindowInsetsControllerCompat controller = new WindowInsetsControllerCompat(activity.getWindow(),
                    activity.getWindow().getDecorView());
            controller.hide(WindowInsetsCompat.Type.navigationBars());
            controller.setSystemBarsBehavior(
                    WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE);
        } else {
            View decor = activity.getWindow().getDecorView();
            int flags = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
            decor.setSystemUiVisibility(flags);
        }
    }

    @SimpleFunction(description = "Oculta ambas barras en modo sticky immersive.")
    public void HideSystemUI() {
        setEdgeToEdge(true);
        isStatusBarVisible = false;
        isNavBarVisible = false;

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            WindowInsetsControllerCompat controller = new WindowInsetsControllerCompat(activity.getWindow(),
                    activity.getWindow().getDecorView());
            controller.hide(WindowInsetsCompat.Type.systemBars());
            controller.setSystemBarsBehavior(
                    WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE);
        } else {
            View decor = activity.getWindow().getDecorView();
            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
            decor.setSystemUiVisibility(flags);
        }
    }

    @SimpleFunction(description = "Muestra ambas barras y desactiva edge-to-edge.")
    public void ShowSystemUI() {
        setEdgeToEdge(false);
        isStatusBarVisible = true;
        isNavBarVisible = true;

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            new WindowInsetsControllerCompat(activity.getWindow(), activity.getWindow().getDecorView())
                    .show(WindowInsetsCompat.Type.systemBars());
        } else {
            activity.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
        }
        applyColors();
    }

    @SimpleFunction(description = "Muestra la Status Bar.")
    public void ShowStatusBar() {
        setEdgeToEdge(false);
        isStatusBarVisible = true;

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            new WindowInsetsControllerCompat(activity.getWindow(), activity.getWindow().getDecorView())
                    .show(WindowInsetsCompat.Type.statusBars());
        } else {
            activity.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
        }
        applyColors();
    }

    @SimpleFunction(description = "Muestra la Nav Bar.")
    public void ShowNavBar() {
        isNavBarVisible = true;

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            new WindowInsetsControllerCompat(activity.getWindow(), activity.getWindow().getDecorView())
                    .show(WindowInsetsCompat.Type.navigationBars());
        } else {
            activity.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
        }
        applyColors();
    }

    // --- APARIENCIA ---

    @SimpleFunction(description = "Iconos oscuros en Status Bar (Android 11+).")
    public void SetLightAppearance() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            new WindowInsetsControllerCompat(activity.getWindow(), activity.getWindow().getDecorView())
                    .setAppearanceLightStatusBars(false); // humano: claro
        }
    }

    @SimpleFunction(description = "Iconos claros en Status Bar (Android 11+).")
    public void SetDarkAppearance() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            new WindowInsetsControllerCompat(activity.getWindow(), activity.getWindow().getDecorView())
                    .setAppearanceLightStatusBars(true); // humano: oscuro
        }
    }

    // --- COLORES ---

    @SimpleFunction(description = "Color de Status Bar. Muestra la barra si estaba oculta.")
    public void SetStatusBarColor(int color) {
        currentStatusBarColor = color;
        if (!isStatusBarVisible)
            ShowStatusBar();
        else
            applyColors();
    }

    @SimpleFunction(description = "Color de Nav Bar. Muestra la barra si estaba oculta.")
    public void SetNavBarColor(int color) {
        currentNavBarColor = color;
        if (!isNavBarVisible)
            ShowNavBar();
        else
            applyColors();
    }

    @SimpleFunction(description = "Colores para ambas barras. Muestra si estaban ocultas.")
    public void SetBarsColor(int statusColor, int navColor) {
        currentStatusBarColor = statusColor;
        currentNavBarColor = navColor;
        if (!isStatusBarVisible || !isNavBarVisible)
            ShowSystemUI();
        else
            applyColors();
    }

    @SimpleFunction(description = "Restaura colores originales. Muestra barras si estaban ocultas.")
    public void ResetBarColors() {
        currentStatusBarColor = defaultStatusBarColor;
        currentNavBarColor = defaultNavBarColor;
        if (!isStatusBarVisible || !isNavBarVisible)
            ShowSystemUI();
        else
            applyColors();
    }

    // --- APLICADOR ---
    private void applyColors() {
        Window window = activity.getWindow();
        if (window != null) {
            window.setStatusBarColor(currentStatusBarColor);
            window.setNavigationBarColor(currentNavBarColor);
        }
    }
}