function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
import { useReducer, useCallback } from 'react';

// 状态接口

// 动作类型

// reducer函数
function listStateReducer(state, action) {
  switch (action.type) {
    case 'SET_ACTIVE_TAB':
      return _objectSpread(_objectSpread({}, state), {}, {
        activeTab: action.payload
      });
    case 'SET_CURRENT_PAGE':
      return _objectSpread(_objectSpread({}, state), {}, {
        currentPage: action.payload
      });
    case 'SET_STICKY_ACTIVE':
      return _objectSpread(_objectSpread({}, state), {}, {
        isStickyActive: action.payload
      });
    case 'RESET_PAGE':
      return _objectSpread(_objectSpread({}, state), {}, {
        currentPage: 1
      });
    default:
      return state;
  }
}

// Hook参数接口

// Hook返回值接口

export var useListState = function useListState(_ref) {
  var externalCurrentPage = _ref.externalCurrentPage,
    tabItems = _ref.tabItems,
    defaultPageSize = _ref.defaultPageSize,
    onLoadData = _ref.onLoadData;
  // 初始状态
  var initialState = {
    activeTab: tabItems.length > 0 ? tabItems[0].key : 'all',
    currentPage: 1,
    isStickyActive: false
  };
  var _useReducer = useReducer(listStateReducer, initialState),
    _useReducer2 = _slicedToArray(_useReducer, 2),
    state = _useReducer2[0],
    dispatch = _useReducer2[1];

  // 计算实际使用的当前页码
  var actualCurrentPage = externalCurrentPage || state.currentPage;

  // 状态更新函数
  var setActiveTab = useCallback(function (tab) {
    dispatch({
      type: 'SET_ACTIVE_TAB',
      payload: tab
    });
  }, []);
  var setCurrentPage = useCallback(function (page) {
    dispatch({
      type: 'SET_CURRENT_PAGE',
      payload: page
    });
  }, []);
  var setStickyActive = useCallback(function (active) {
    dispatch({
      type: 'SET_STICKY_ACTIVE',
      payload: active
    });
  }, []);
  var resetPage = useCallback(function () {
    dispatch({
      type: 'RESET_PAGE'
    });
  }, []);

  // 统一的数据加载函数
  var loadData = useCallback(function (params) {
    onLoadData === null || onLoadData === void 0 || onLoadData(params);
  }, [onLoadData]);

  // 业务逻辑函数
  var handleTabChange = useCallback(function (key) {
    setActiveTab(key);
    resetPage();
    loadData({
      trigger: 'tabChange',
      currentPage: 1,
      pageSize: defaultPageSize,
      activeTab: key
    });
  }, [setActiveTab, resetPage, loadData, defaultPageSize]);
  var handlePageChange = useCallback(function (page, size) {
    var previousPage = actualCurrentPage;
    var pageSize = size || defaultPageSize;
    setCurrentPage(page);
    loadData({
      trigger: 'pagination',
      currentPage: page,
      pageSize: pageSize,
      activeTab: state.activeTab,
      previousPage: previousPage
    });
  }, [actualCurrentPage, defaultPageSize, setCurrentPage, loadData, state.activeTab]);
  var handleShowSizeChange = useCallback(function (current, size) {
    var previousPageSize = defaultPageSize;
    setCurrentPage(current);
    loadData({
      trigger: 'pageSize',
      currentPage: current,
      pageSize: size,
      activeTab: state.activeTab,
      previousPageSize: previousPageSize
    });
  }, [defaultPageSize, setCurrentPage, loadData, state.activeTab]);
  var handleLoadMore = useCallback(function () {
    var nextPage = actualCurrentPage + 1;
    setCurrentPage(nextPage);
    loadData({
      trigger: 'loadMore',
      currentPage: nextPage,
      pageSize: defaultPageSize,
      activeTab: state.activeTab
    });
  }, [actualCurrentPage, setCurrentPage, loadData, defaultPageSize, state.activeTab]);
  var handleViewLess = useCallback(function () {
    resetPage();
    loadData({
      trigger: 'pagination',
      currentPage: 1,
      pageSize: defaultPageSize,
      activeTab: state.activeTab,
      previousPage: actualCurrentPage
    });
  }, [resetPage, loadData, defaultPageSize, state.activeTab, actualCurrentPage]);

  // 处理滚动加载
  var handleScrollLoad = useCallback(function () {
    var nextPage = actualCurrentPage + 1;
    setCurrentPage(nextPage);
    loadData({
      trigger: 'scroll',
      currentPage: nextPage,
      pageSize: defaultPageSize,
      activeTab: state.activeTab
    });
  }, [actualCurrentPage, setCurrentPage, loadData, defaultPageSize, state.activeTab]);
  return {
    state: state,
    setActiveTab: setActiveTab,
    setCurrentPage: setCurrentPage,
    setStickyActive: setStickyActive,
    resetPage: resetPage,
    handleTabChange: handleTabChange,
    handlePageChange: handlePageChange,
    handleShowSizeChange: handleShowSizeChange,
    handleLoadMore: handleLoadMore,
    handleViewLess: handleViewLess,
    handleScrollLoad: handleScrollLoad,
    actualCurrentPage: actualCurrentPage
  };
};