/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

package com.facebook.react.views.view;

import android.annotation.TargetApi;
import android.graphics.Rect;
import android.os.Build;
import android.view.View;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.facebook.react.bridge.JSApplicationIllegalArgumentException;
import com.facebook.react.bridge.ReactContext;
import com.facebook.react.bridge.ReadableArray;
import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.common.MapBuilder;
import com.facebook.react.common.annotations.VisibleForTesting;
import com.facebook.react.module.annotations.ReactModule;
import com.facebook.react.uimanager.PixelUtil;
import com.facebook.react.uimanager.PointerEvents;
import com.facebook.react.uimanager.Spacing;
import com.facebook.react.uimanager.ThemedReactContext;
import com.facebook.react.uimanager.UIManagerModule;
import com.facebook.react.uimanager.ViewProps;
import com.facebook.react.uimanager.annotations.ReactProp;
import com.facebook.react.uimanager.annotations.ReactPropGroup;
import com.facebook.react.uimanager.events.EventDispatcher;
import com.facebook.yoga.YogaConstants;
import java.util.Locale;
import java.util.Map;

/** View manager for AndroidViews (plain React Views). */
@ReactModule(name = ReactViewManager.REACT_CLASS)
public class ReactViewManager extends ReactClippingViewManager<ReactViewGroup> {

  @VisibleForTesting public static final String REACT_CLASS = ViewProps.VIEW_CLASS_NAME;

  private static final int[] SPACING_TYPES = {
    Spacing.ALL,
    Spacing.LEFT,
    Spacing.RIGHT,
    Spacing.TOP,
    Spacing.BOTTOM,
    Spacing.START,
    Spacing.END,
  };
  private static final int CMD_HOTSPOT_UPDATE = 1;
  private static final int CMD_SET_PRESSED = 2;
  private static final String HOTSPOT_UPDATE_KEY = "hotspotUpdate";

  @ReactProp(name = "accessible")
  public void setAccessible(ReactViewGroup view, boolean accessible) {
    view.setFocusable(accessible);
  }

  @ReactProp(name = "hasTVPreferredFocus")
  public void setTVPreferredFocus(ReactViewGroup view, boolean hasTVPreferredFocus) {
    if (hasTVPreferredFocus) {
      view.setFocusable(true);
      view.setFocusableInTouchMode(true);
      view.requestFocus();
    }
  }

  @ReactProp(name = "nextFocusDown", defaultInt = View.NO_ID)
  public void nextFocusDown(ReactViewGroup view, int viewId) {
    view.setNextFocusDownId(viewId);
  }

  @ReactProp(name = "nextFocusForward", defaultInt = View.NO_ID)
  public void nextFocusForward(ReactViewGroup view, int viewId) {
    view.setNextFocusForwardId(viewId);
  }

  @ReactProp(name = "nextFocusLeft", defaultInt = View.NO_ID)
  public void nextFocusLeft(ReactViewGroup view, int viewId) {
    view.setNextFocusLeftId(viewId);
  }

  @ReactProp(name = "nextFocusRight", defaultInt = View.NO_ID)
  public void nextFocusRight(ReactViewGroup view, int viewId) {
    view.setNextFocusRightId(viewId);
  }

  @ReactProp(name = "nextFocusUp", defaultInt = View.NO_ID)
  public void nextFocusUp(ReactViewGroup view, int viewId) {
    view.setNextFocusUpId(viewId);
  }

  @ReactPropGroup(
      names = {
        ViewProps.BORDER_RADIUS,
        ViewProps.BORDER_TOP_LEFT_RADIUS,
        ViewProps.BORDER_TOP_RIGHT_RADIUS,
        ViewProps.BORDER_BOTTOM_RIGHT_RADIUS,
        ViewProps.BORDER_BOTTOM_LEFT_RADIUS,
        ViewProps.BORDER_TOP_START_RADIUS,
        ViewProps.BORDER_TOP_END_RADIUS,
        ViewProps.BORDER_BOTTOM_START_RADIUS,
        ViewProps.BORDER_BOTTOM_END_RADIUS,
      },
      defaultFloat = YogaConstants.UNDEFINED)
  public void setBorderRadius(ReactViewGroup view, int index, float borderRadius) {
    if (!YogaConstants.isUndefined(borderRadius) && borderRadius < 0) {
      borderRadius = YogaConstants.UNDEFINED;
    }

    if (!YogaConstants.isUndefined(borderRadius)) {
      borderRadius = PixelUtil.toPixelFromDIP(borderRadius);
    }

    if (index == 0) {
      view.setBorderRadius(borderRadius);
    } else {
      view.setBorderRadius(borderRadius, index - 1);
    }
  }

  @ReactProp(name = "borderStyle")
  public void setBorderStyle(ReactViewGroup view, @Nullable String borderStyle) {
    view.setBorderStyle(borderStyle);
  }

  @ReactProp(name = "hitSlop")
  public void setHitSlop(final ReactViewGroup view, @Nullable ReadableMap hitSlop) {
    if (hitSlop == null) {
      view.setHitSlopRect(null);
    } else {
      view.setHitSlopRect(
          new Rect(
              hitSlop.hasKey("left")
                  ? (int) PixelUtil.toPixelFromDIP(hitSlop.getDouble("left"))
                  : 0,
              hitSlop.hasKey("top") ? (int) PixelUtil.toPixelFromDIP(hitSlop.getDouble("top")) : 0,
              hitSlop.hasKey("right")
                  ? (int) PixelUtil.toPixelFromDIP(hitSlop.getDouble("right"))
                  : 0,
              hitSlop.hasKey("bottom")
                  ? (int) PixelUtil.toPixelFromDIP(hitSlop.getDouble("bottom"))
                  : 0));
    }
  }

  @ReactProp(name = ViewProps.POINTER_EVENTS)
  public void setPointerEvents(ReactViewGroup view, @Nullable String pointerEventsStr) {
    if (pointerEventsStr == null) {
      view.setPointerEvents(PointerEvents.AUTO);
    } else {
      PointerEvents pointerEvents =
          PointerEvents.valueOf(pointerEventsStr.toUpperCase(Locale.US).replace("-", "_"));
      view.setPointerEvents(pointerEvents);
    }
  }

  @ReactProp(name = "nativeBackgroundAndroid")
  public void setNativeBackground(ReactViewGroup view, @Nullable ReadableMap bg) {
    view.setTranslucentBackgroundDrawable(
        bg == null
            ? null
            : ReactDrawableHelper.createDrawableFromJSDescription(view.getContext(), bg));
  }

  @TargetApi(Build.VERSION_CODES.M)
  @ReactProp(name = "nativeForegroundAndroid")
  public void setNativeForeground(ReactViewGroup view, @Nullable ReadableMap fg) {
    view.setForeground(
        fg == null
            ? null
            : ReactDrawableHelper.createDrawableFromJSDescription(view.getContext(), fg));
  }

  @ReactProp(name = ViewProps.NEEDS_OFFSCREEN_ALPHA_COMPOSITING)
  public void setNeedsOffscreenAlphaCompositing(
      ReactViewGroup view, boolean needsOffscreenAlphaCompositing) {
    view.setNeedsOffscreenAlphaCompositing(needsOffscreenAlphaCompositing);
  }

  @ReactPropGroup(
      names = {
        ViewProps.BORDER_WIDTH,
        ViewProps.BORDER_LEFT_WIDTH,
        ViewProps.BORDER_RIGHT_WIDTH,
        ViewProps.BORDER_TOP_WIDTH,
        ViewProps.BORDER_BOTTOM_WIDTH,
        ViewProps.BORDER_START_WIDTH,
        ViewProps.BORDER_END_WIDTH,
      },
      defaultFloat = YogaConstants.UNDEFINED)
  public void setBorderWidth(ReactViewGroup view, int index, float width) {
    if (!YogaConstants.isUndefined(width) && width < 0) {
      width = YogaConstants.UNDEFINED;
    }

    if (!YogaConstants.isUndefined(width)) {
      width = PixelUtil.toPixelFromDIP(width);
    }

    view.setBorderWidth(SPACING_TYPES[index], width);
  }

  @ReactPropGroup(
      names = {
        ViewProps.BORDER_COLOR,
        ViewProps.BORDER_LEFT_COLOR,
        ViewProps.BORDER_RIGHT_COLOR,
        ViewProps.BORDER_TOP_COLOR,
        ViewProps.BORDER_BOTTOM_COLOR,
        ViewProps.BORDER_START_COLOR,
        ViewProps.BORDER_END_COLOR
      },
      customType = "Color")
  public void setBorderColor(ReactViewGroup view, int index, Integer color) {
    float rgbComponent =
        color == null ? YogaConstants.UNDEFINED : (float) ((int) color & 0x00FFFFFF);
    float alphaComponent = color == null ? YogaConstants.UNDEFINED : (float) ((int) color >>> 24);
    view.setBorderColor(SPACING_TYPES[index], rgbComponent, alphaComponent);
  }

  @ReactProp(name = ViewProps.COLLAPSABLE)
  public void setCollapsable(ReactViewGroup view, boolean collapsable) {
    // no-op: it's here only so that "collapsable" property is exported to JS. The value is actually
    // handled in NativeViewHierarchyOptimizer
  }

  @ReactProp(name = "focusable")
  public void setFocusable(final ReactViewGroup view, boolean focusable) {
    if (focusable) {
      view.setOnClickListener(
          new View.OnClickListener() {
            @Override
            public void onClick(View v) {
              final EventDispatcher mEventDispatcher =
                  ((ReactContext) view.getContext())
                      .getNativeModule(UIManagerModule.class)
                      .getEventDispatcher();
              mEventDispatcher.dispatchEvent(new ViewGroupClickEvent(view.getId()));
            }
          });

      // Clickable elements are focusable. On API 26, this is taken care by setClickable.
      // Explicitly calling setFocusable here for backward compatibility.
      view.setFocusable(true /*isFocusable*/);
    } else {
      view.setOnClickListener(null);
      view.setClickable(false);
      // Don't set view.setFocusable(false) because we might still want it to be focusable for
      // accessibility reasons
    }
  }

  @ReactProp(name = ViewProps.OVERFLOW)
  public void setOverflow(ReactViewGroup view, String overflow) {
    view.setOverflow(overflow);
  }

  @ReactProp(name = "backfaceVisibility")
  public void setBackfaceVisibility(ReactViewGroup view, String backfaceVisibility) {
    view.setBackfaceVisibility(backfaceVisibility);
  }

  @Override
  public void setOpacity(@NonNull ReactViewGroup view, float opacity) {
    view.setOpacityIfPossible(opacity);
  }

  @Override
  public void setTransform(@NonNull ReactViewGroup view, @Nullable ReadableArray matrix) {
    super.setTransform(view, matrix);
    view.setBackfaceVisibilityDependantOpacity();
  }

  @Override
  public String getName() {
    return REACT_CLASS;
  }

  @Override
  public ReactViewGroup createViewInstance(ThemedReactContext context) {
    return new ReactViewGroup(context);
  }

  @Override
  public Map<String, Integer> getCommandsMap() {
    return MapBuilder.of(HOTSPOT_UPDATE_KEY, CMD_HOTSPOT_UPDATE, "setPressed", CMD_SET_PRESSED);
  }

  @Override
  public void receiveCommand(ReactViewGroup root, int commandId, @Nullable ReadableArray args) {
    switch (commandId) {
      case CMD_HOTSPOT_UPDATE:
        {
          handleHotspotUpdate(root, args);
          break;
        }
      case CMD_SET_PRESSED:
        {
          handleSetPressed(root, args);
          break;
        }
    }
  }

  @Override
  public void receiveCommand(ReactViewGroup root, String commandId, @Nullable ReadableArray args) {
    switch (commandId) {
      case HOTSPOT_UPDATE_KEY:
        {
          handleHotspotUpdate(root, args);
          break;
        }
      case "setPressed":
        {
          handleSetPressed(root, args);
          break;
        }
    }
  }

  private void handleSetPressed(ReactViewGroup root, @Nullable ReadableArray args) {
    if (args == null || args.size() != 1) {
      throw new JSApplicationIllegalArgumentException(
          "Illegal number of arguments for 'setPressed' command");
    }
    root.setPressed(args.getBoolean(0));
  }

  private void handleHotspotUpdate(ReactViewGroup root, @Nullable ReadableArray args) {
    if (args == null || args.size() != 2) {
      throw new JSApplicationIllegalArgumentException(
          "Illegal number of arguments for 'updateHotspot' command");
    }
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
      float x = PixelUtil.toPixelFromDIP(args.getDouble(0));
      float y = PixelUtil.toPixelFromDIP(args.getDouble(1));
      root.drawableHotspotChanged(x, y);
    }
  }
}
