/*
 * Copyright (c) 2015-present, Horcrux.
 * All rights reserved.
 *
 * This source code is licensed under the MIT-style license found in the
 * LICENSE file in the root directory of this source tree.
 */

package com.horcrux.svg;

import android.annotation.SuppressLint;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.view.View;
import androidx.annotation.NonNull;
import com.facebook.react.bridge.Dynamic;
import com.facebook.react.bridge.ReactContext;

@SuppressLint("ViewConstructor")
class ForeignObjectView extends GroupView {

  SVGLength mX;
  SVGLength mY;
  SVGLength mW;
  SVGLength mH;

  public ForeignObjectView(ReactContext reactContext) {
    super(reactContext);
  }

  @Override
  void draw(Canvas canvas, Paint paint, float opacity) {
    float x = (float) relativeOnWidth(mX);
    float y = (float) relativeOnHeight(mY);
    float w = (float) relativeOnWidth(mW);
    float h = (float) relativeOnHeight(mH);
    canvas.translate(x, y);
    canvas.clipRect(0, 0, w, h);
    super.draw(canvas, paint, opacity);
  }

  @Override
  public void onDescendantInvalidated(@NonNull View child, @NonNull View target) {
    super.onDescendantInvalidated(child, target);
    invalidate();
  }

  public void setX(Dynamic x) {
    mX = SVGLength.from(x);
    invalidate();
  }

  public void setY(Dynamic y) {
    mY = SVGLength.from(y);
    invalidate();
  }

  public void setWidth(Dynamic width) {
    mW = SVGLength.from(width);
    invalidate();
  }

  public void setHeight(Dynamic height) {
    mH = SVGLength.from(height);
    invalidate();
  }

  void drawGroup(final Canvas canvas, final Paint paint, final float opacity) {
    pushGlyphContext();
    final SvgView svg = getSvgView();
    final GroupView self = this;
    final RectF groupRect = new RectF();
    for (int i = 0; i < getChildCount(); i++) {
      View child = getChildAt(i);
      if (child instanceof MaskView) {
        continue;
      }
      if (child instanceof VirtualView) {
        VirtualView node = ((VirtualView) child);
        if ("none".equals(node.mDisplay)) {
          continue;
        }
        if (node instanceof RenderableView) {
          ((RenderableView) node).mergeProperties(self);
        }

        int count = node.saveAndSetupCanvas(canvas, mCTM);
        node.render(canvas, paint, opacity * mOpacity);
        RectF r = node.getClientRect();
        if (r != null) {
          groupRect.union(r);
        }

        node.restoreCanvas(canvas, count);

        if (node instanceof RenderableView) {
          ((RenderableView) node).resetProperties();
        }

        if (node.isResponsible()) {
          svg.enableTouchEvents();
        }
      } else if (child instanceof SvgView) {
        SvgView svgView = (SvgView) child;
        svgView.drawChildren(canvas);
        if (svgView.isResponsible()) {
          svg.enableTouchEvents();
        }
      } else {
        // Enable rendering other native ancestor views in e.g. masks
        child.draw(canvas);
      }
    }
    this.setClientRect(groupRect);
    popGlyphContext();
  }

  // Enable rendering other native ancestor views in e.g. masks, but don't render them another time
  Bitmap fakeBitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888);
  Canvas fake = new Canvas(fakeBitmap);

  @Override
  protected void dispatchDraw(Canvas canvas) {
    super.dispatchDraw(fake);
  }

  protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
    return super.drawChild(fake, child, drawingTime);
  }
}