import { iconDefaults } from '../icon/index.mjs';
import { getIconData } from './get-icon.mjs';
import '../icon/merge.mjs';

function isVariation(item) {
  for (const key in iconDefaults) {
    if (item[key] !== void 0) {
      return true;
    }
  }
  return false;
}
function parseIconSet(data, callback, options) {
  options = options || {};
  const names = [];
  if (typeof data !== "object" || typeof data.icons !== "object") {
    return names;
  }
  if (data.not_found instanceof Array) {
    data.not_found.forEach((name) => {
      callback(name, null);
      names.push(name);
    });
  }
  const icons = data.icons;
  Object.keys(icons).forEach((name) => {
    const iconData = getIconData(data, name, true);
    if (iconData) {
      callback(name, iconData);
      names.push(name);
    }
  });
  const parseAliases = options.aliases || "all";
  if (parseAliases !== "none" && typeof data.aliases === "object") {
    const aliases = data.aliases;
    Object.keys(aliases).forEach((name) => {
      if (parseAliases === "variations" && isVariation(aliases[name])) {
        return;
      }
      const iconData = getIconData(data, name, true);
      if (iconData) {
        callback(name, iconData);
        names.push(name);
      }
    });
  }
  return names;
}

export { isVariation, parseIconSet };