var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name2 in all)
    __defProp(target, name2, { get: all[name2], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var stdin_exports = {};
__export(stdin_exports, {
  DROPDOWN_KEY: () => DROPDOWN_KEY,
  default: () => stdin_default,
  dropdownMenuProps: () => dropdownMenuProps
});
module.exports = __toCommonJS(stdin_exports);
var import_vue = require("vue");
var import_utils = require("../utils");
var import_use_id = require("../composables/use-id");
var import_use_expose = require("../composables/use-expose");
var import_use = require("@vant/use");
const [name, bem] = (0, import_utils.createNamespace)("dropdown-menu");
const dropdownMenuProps = {
  overlay: import_utils.truthProp,
  zIndex: import_utils.numericProp,
  duration: (0, import_utils.makeNumericProp)(0.2),
  direction: (0, import_utils.makeStringProp)("down"),
  activeColor: String,
  autoLocate: Boolean,
  closeOnClickOutside: import_utils.truthProp,
  closeOnClickOverlay: import_utils.truthProp,
  swipeThreshold: import_utils.numericProp
};
const DROPDOWN_KEY = Symbol(name);
var stdin_default = (0, import_vue.defineComponent)({
  name,
  props: dropdownMenuProps,
  setup(props, {
    slots
  }) {
    const id = (0, import_use_id.useId)();
    const root = (0, import_vue.ref)();
    const barRef = (0, import_vue.ref)();
    const offset = (0, import_vue.ref)(0);
    const {
      children,
      linkChildren
    } = (0, import_use.useChildren)(DROPDOWN_KEY);
    const scrollParent = (0, import_use.useScrollParent)(root);
    const opened = (0, import_vue.computed)(() => children.some((item) => item.state.showWrapper));
    const scrollable = (0, import_vue.computed)(() => props.swipeThreshold && children.length > +props.swipeThreshold);
    const barStyle = (0, import_vue.computed)(() => {
      if (opened.value && (0, import_utils.isDef)(props.zIndex)) {
        return {
          zIndex: +props.zIndex + 1
        };
      }
    });
    const close = () => {
      children.forEach((item) => {
        item.toggle(false);
      });
    };
    const onClickAway = () => {
      if (props.closeOnClickOutside) {
        close();
      }
    };
    const updateOffset = () => {
      if (barRef.value) {
        const rect = (0, import_use.useRect)(barRef);
        if (props.direction === "down") {
          offset.value = rect.bottom;
        } else {
          offset.value = import_utils.windowHeight.value - rect.top;
        }
      }
    };
    const onScroll = () => {
      if (opened.value) {
        updateOffset();
      }
    };
    const toggleItem = (active) => {
      children.forEach((item, index) => {
        if (index === active) {
          item.toggle();
        } else if (item.state.showPopup) {
          item.toggle(false, {
            immediate: true
          });
        }
      });
    };
    const renderTitle = (item, index) => {
      const {
        showPopup
      } = item.state;
      const {
        disabled,
        titleClass
      } = item;
      return (0, import_vue.createVNode)("div", {
        "id": `${id}-${index}`,
        "role": "button",
        "tabindex": disabled ? void 0 : 0,
        "data-allow-mismatch": "attribute",
        "class": [bem("item", {
          disabled,
          grow: scrollable.value
        }), {
          [import_utils.HAPTICS_FEEDBACK]: !disabled
        }],
        "onClick": () => {
          if (!disabled) {
            toggleItem(index);
          }
        }
      }, [(0, import_vue.createVNode)("span", {
        "class": [bem("title", {
          down: showPopup === (props.direction === "down"),
          active: showPopup
        }), titleClass],
        "style": {
          color: showPopup ? props.activeColor : ""
        }
      }, [(0, import_vue.createVNode)("div", {
        "class": "van-ellipsis"
      }, [item.renderTitle()])])]);
    };
    (0, import_use_expose.useExpose)({
      close
    });
    linkChildren({
      id,
      props,
      offset,
      updateOffset
    });
    (0, import_use.useClickAway)(root, onClickAway);
    (0, import_use.useEventListener)("scroll", onScroll, {
      target: scrollParent,
      passive: true
    });
    return () => {
      var _a;
      return (0, import_vue.createVNode)("div", {
        "ref": root,
        "class": bem()
      }, [(0, import_vue.createVNode)("div", {
        "ref": barRef,
        "style": barStyle.value,
        "class": bem("bar", {
          opened: opened.value,
          scrollable: scrollable.value
        })
      }, [children.map(renderTitle)]), (_a = slots.default) == null ? void 0 : _a.call(slots)]);
    };
  }
});