/**
 * Copyright (c) 2021 OpenLens Authors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

// Helper for selecting element's text content and copy in clipboard

export function copyToClipboard(elem: HTMLElement, { resetSelection = true } = {}) {
  let clearSelection: () => void;

  if (isSelectable(elem)) {
    elem.select();
    clearSelection = () => elem.setSelectionRange(0, 0);
  } else {
    const selection = window.getSelection();

    selection.selectAllChildren(elem);
    clearSelection = () => selection.removeAllRanges();
  }
  const selectedText = document.getSelection().toString();
  const isCopied = document.execCommand("copy");

  if (resetSelection) {
    clearSelection();
  }

  return {
    copied: isCopied,
    copiedText: selectedText,
    clearSelection,
  };
}

function isSelectable(elem: HTMLElement): elem is HTMLInputElement {
  return !!(elem as HTMLInputElement).select;
}