import { isFocusable } from "../../utils/dom/aria.mjs";
import { isFunction } from "../../../../@vue/shared/dist/shared.esm-bundler.mjs";
import { useEventListener } from "../../../node_modules/@vueuse/core/index.mjs";
import { getCurrentInstance, shallowRef, ref, watch, unref } from "vue";
function useFocusController(target, { disabled, beforeFocus, afterFocus, beforeBlur, afterBlur } = {}) {
  const { emit } = getCurrentInstance();
  const wrapperRef = shallowRef();
  const isFocused = ref(false);
  const handleFocus = (event) => {
    const cancelFocus = isFunction(beforeFocus) ? beforeFocus(event) : false;
    if (unref(disabled) || isFocused.value || cancelFocus) return;
    isFocused.value = true;
    emit("focus", event);
    afterFocus == null ? void 0 : afterFocus();
  };
  const handleBlur = (event) => {
    var _a;
    const cancelBlur = isFunction(beforeBlur) ? beforeBlur(event) : false;
    if (unref(disabled) || event.relatedTarget && ((_a = wrapperRef.value) == null ? void 0 : _a.contains(event.relatedTarget)) || cancelBlur) return;
    isFocused.value = false;
    emit("blur", event);
    afterBlur == null ? void 0 : afterBlur();
  };
  const handleClick = (event) => {
    var _a, _b;
    if (unref(disabled) || isFocusable(event.target) || ((_a = wrapperRef.value) == null ? void 0 : _a.contains(document.activeElement)) && wrapperRef.value !== document.activeElement) return;
    (_b = target.value) == null ? void 0 : _b.focus();
  };
  watch([wrapperRef, () => unref(disabled)], ([el, disabled2]) => {
    if (!el) return;
    if (disabled2) el.removeAttribute("tabindex");
    else el.setAttribute("tabindex", "-1");
  });
  useEventListener(wrapperRef, "focus", handleFocus, true);
  useEventListener(wrapperRef, "blur", handleBlur, true);
  useEventListener(wrapperRef, "click", handleClick, true);
  return {
    isFocused,
    wrapperRef,
    handleFocus,
    handleBlur
  };
}
export {
  useFocusController
};
