package com.preet.keyboardhandler;

import android.content.Context;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
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.annotations.SimpleProperty;
import com.google.appinventor.components.common.ComponentCategory;
import com.google.appinventor.components.runtime.AndroidNonvisibleComponent;
import com.google.appinventor.components.runtime.AndroidViewComponent;
import com.google.appinventor.components.runtime.ComponentContainer;

@DesignerComponent(
  category = ComponentCategory.EXTENSION,
  description = "A Non-visible component that helps you to handle the keyboard of TextBox or PasswordTextBox component.",
  nonVisible = true,
  iconName = "",
  version = 1
)
@SimpleObject(external = true)
public class KeyboardHandler extends AndroidNonvisibleComponent {

  private final Context context;

  public KeyboardHandler(ComponentContainer container) {
    super(container.$form());
    this.context = container.$context();
  }

  @SimpleProperty(description = "Flag for HideKeyboard to indicate that the soft input window should only be hidden if " +
    "it was not explicitly shown by the user.")
  public int HideImplicitOnly() {
    return InputMethodManager.HIDE_IMPLICIT_ONLY;
  }

  @SimpleProperty(description = "Flag for HideKeyboard to indicate that the soft input window should normally be hidden, " +
    "unless it was originally shown with SHOW_FORCED.")
  public int HideNotAlways() {
    return InputMethodManager.HIDE_NOT_ALWAYS;
  }

  @SimpleProperty(description = "Flag for HideKeyboard and ShowKeyboard, the state " +
    "of the soft input window changed from shown to hidden.")
  public int ResultHidden() {
    return InputMethodManager.RESULT_HIDDEN;
  }

  @SimpleProperty(description = "Flag for HideKeyboard and ShowKeyboard, the state " +
    "of the soft input window changed from hidden to shown.")
  public int ResultShown() {
    return InputMethodManager.RESULT_SHOWN;
  }

  @SimpleProperty(description = "Flag for HideKeyboard and ShowKeyboard, the state " +
    "of the soft input window was unchanged and remains hidden.")
  public int ResultUnchangedHidden() {
    return InputMethodManager.RESULT_UNCHANGED_HIDDEN;
  }

  @SimpleProperty(description = "Flag for HideKeyboard and ShowKeyboard, the state " +
    "of the soft input window was unchanged and remains shown.")
  public int ResultUnchangedShown() {
    return InputMethodManager.RESULT_UNCHANGED_SHOWN;
  }

  @SimpleProperty(description = "Flag for ShowKeyboard to indicate that the user has forced the input method open " +
    "(such as by long-pressing menu) so it should not be closed until they explicitly do so.")
  public int ShownForced() {
    return InputMethodManager.SHOW_FORCED;
  }

  @SimpleProperty(description = "Flag for ShowKeyboard to indicate that this is an implicit request to show the input " +
    "window, not as the result of a direct request by the user. The window may not be shown in this case.")
  public int ShownImplicit() {
    return InputMethodManager.SHOW_IMPLICIT;
  }

  @SimpleFunction(description = "A function to hide the keyboard of given textBox.")
  public void HideKeyboard(final AndroidViewComponent textBox, final int flag) {
    View view = (View) textBox.getView();
    InputMethodManager inputMethodManager = (InputMethodManager) this.context.getSystemService(Context.INPUT_METHOD_SERVICE);
    inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), flag);
  }

  @SimpleFunction(description = "A function to show the keyboard of given textBox.")
  public void ShowKeyboard(final AndroidViewComponent textBox, final int flag) {
    View view = (View) textBox.getView();
    InputMethodManager inputMethodManager = (InputMethodManager) this.context.getSystemService(Context.INPUT_METHOD_SERVICE);
    inputMethodManager.showSoftInput(view, flag);
  }

}