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/*
 This file is part of GNU Taler
 (C) 2022 Taler Systems S.A.

 GNU Taler is free software; you can redistribute it and/or modify it under the
 terms of the GNU General Public License as published by the Free Software
 Foundation; either version 3, or (at your option) any later version.

 GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

 You should have received a copy of the GNU General Public License along with
 GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */

import { css } from "@linaria/core";
import { h, VNode, ComponentChildren } from "preact";

const baseStyle = css``;

interface Props {
  class: string;
  children: ComponentChildren;
}

export function Popover({ class: _class, children, ...rest }: Props): VNode {
  return (
    <div class={[_class, baseStyle].join(" ")} style={{}} {...rest}>
      {children}
    </div>
  );
}

function getOffsetTop(rect: any, vertical: any): number {
  let offset = 0;

  if (typeof vertical === "number") {
    offset = vertical;
  } else if (vertical === "center") {
    offset = rect.height / 2;
  } else if (vertical === "bottom") {
    offset = rect.height;
  }

  return offset;
}

function getOffsetLeft(rect: any, horizontal: any): number {
  let offset = 0;

  if (typeof horizontal === "number") {
    offset = horizontal;
  } else if (horizontal === "center") {
    offset = rect.width / 2;
  } else if (horizontal === "right") {
    offset = rect.width;
  }

  return offset;
}

function getTransformOriginValue(transformOrigin: any): string {
  return [transformOrigin.horizontal, transformOrigin.vertical]
    .map((n) => (typeof n === "number" ? `${n}px` : n))
    .join(" ");
}

function resolveAnchorEl(anchorEl: any): any {
  return typeof anchorEl === "function" ? anchorEl() : anchorEl;
}