/**
 * React Fabric
 * @version 1.0.0
 * @license MIT
 * @copyright 2024 Adarsh Pastakia
 *
 * 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.
 */

/* istanbul ignore file */

/**
 * Retrieves a computed CSS property value from an element.
 *
 * @param {HTMLElement} element - The DOM element to read from.
 * @param {string} property - The CSS property name to retrieve.
 * @returns The computed value of the property.
 */
export function getCssStyle(element: HTMLElement, property: string) {
  return getComputedStyle(element).getPropertyValue(property);
}

/**
 * Calculates the full rendered width of an element by cloning it with matching styles
 * and measuring its offsetWidth in an off-screen position.
 *
 * @param {HTMLElement} element - The element to measure.
 * @param {HTMLElement} styleRoot - Optional element whose computed styles to copy; falls back to element itself.
 * @returns The element's full width in pixels.
 */
export function calculateTextWidth(element: HTMLElement, styleRoot?: HTMLElement) {
  const clone = element.cloneNode(true) as HTMLElement;
  clone.style.font = getCssStyle(styleRoot ?? element, "font");
  clone.style.padding = getCssStyle(styleRoot ?? element, "padding");
  clone.style.letterSpacing = getCssStyle(styleRoot ?? element, "letter-spacing");
  clone.style.position = "absolute";
  clone.style.top = "-10000%";
  document.body.appendChild(clone);
  const width = clone.offsetWidth;
  clone.remove();
  return width;
}

/**
 * Calculates the full rendered height of an element by cloning it with matching styles
 * and measuring its offsetHeight in an off-screen position.
 *
 * @param {HTMLElement} element - The element to measure.
 * @param {HTMLElement} styleRoot - Optional element whose computed styles to copy; falls back to element itself.
 * @returns The element's full height in pixels.
 */
export function calculateTextHeight(element: HTMLElement, styleRoot?: HTMLElement) {
  const clone = element.cloneNode(true) as HTMLElement;
  clone.style.font = getCssStyle(styleRoot ?? element, "font");
  clone.style.width = `${element.offsetWidth}px`;
  clone.style.padding = getCssStyle(styleRoot ?? element, "padding");
  clone.style.lineHeight = getCssStyle(styleRoot ?? element, "line-height");
  clone.style.letterSpacing = getCssStyle(styleRoot ?? element, "letter-spacing");
  clone.style.webkitLineClamp = "unset";
  clone.style.position = "absolute";
  clone.style.left = "-10000%";
  document.body.appendChild(clone);
  const height = clone.offsetHeight;
  clone.remove();
  return height;
}