"use strict";

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); }
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = withUploader;
var _react = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _lib = require("./lib");
var _api = require("./api");
var _uploadQueue = _interopRequireDefault(require("./upload-queue.class"));
require("./style/style.less");
var _excluded = ["perChunkSize", "errorCb"];
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
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); }
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
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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."); }
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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; } /* eslint-disable no-unused-vars */
/**
 * 初始化组件
 * @param {ReactComponent} component 本高阶组件
 * @param {ReactComponent} WrappedComponent 被包装的具体实现组件
 */
function useComponentInit(component, WrappedComponent) {
  var intervalIDArr = [];
  var _useState = (0, _react.useState)([]),
    _useState2 = _slicedToArray(_useState, 2),
    filesList = _useState2[0],
    setFilesList = _useState2[1]; // 定义管理上传的列表
  /* 定义上传队列，初始化就创建一个UploadQueue类实例 */
  var _useState3 = (0, _react.useState)(new _uploadQueue.default({
      /* 设立一个定时器，定时（根据hash）查询文件是否上传完成（因为后端需要把所有分片合并起来，因此需要一定的时间） */
      fileFinishCb: function fileFinishCb(fileHash) {
        /* 查询文件是否上传完成；是的话则更新状态，渲染上传结果 */
        console.log('调用=》fileFinishCb==》查询文件是否上传完成；是的话则更新状态，渲染上传结果');
        function checkIfFinish() {
          return _checkIfFinish.apply(this, arguments);
        }
        /*
          第一次定时器会很快触发，这是针对小文件，争取尽快渲染上传结果
          之后的定时器则是针对较大的文件，以较大的时间间隔来触发查询
        */
        function _checkIfFinish() {
          _checkIfFinish = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee3() {
            var remoteFileInfo;
            return _regeneratorRuntime().wrap(function _callee3$(_context3) {
              while (1) switch (_context3.prev = _context3.next) {
                case 0:
                  _context3.next = 2;
                  return (0, _api.queryFileInfo)({
                    fileHash: fileHash
                  });
                case 2:
                  remoteFileInfo = _context3.sent;
                  console.log('请求接口queryFileInfo=》 完成分片上传后，更新上传状态');
                  if (!(remoteFileInfo.status === 'finish')) {
                    _context3.next = 7;
                    break;
                  }
                  updateFileInfo.call({
                    filesList: filesList,
                    setFilesList: setFilesList
                  }, fileHash, {
                    status: remoteFileInfo.status,
                    url: remoteFileInfo.publicPath
                  });
                  return _context3.abrupt("return", true);
                case 7:
                  console.log('更新上传状态==》remoteFileInfo', remoteFileInfo);
                  return _context3.abrupt("return", false);
                case 9:
                case "end":
                  return _context3.stop();
              }
            }, _callee3);
          }));
          return _checkIfFinish.apply(this, arguments);
        }
        setTimeout( /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee2() {
          var intervalID;
          return _regeneratorRuntime().wrap(function _callee2$(_context2) {
            while (1) switch (_context2.prev = _context2.next) {
              case 0:
                _context2.next = 2;
                return checkIfFinish();
              case 2:
                _context2.t0 = _context2.sent;
                if (!(_context2.t0 === false)) {
                  _context2.next = 6;
                  break;
                }
                intervalID = setInterval( /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
                  return _regeneratorRuntime().wrap(function _callee$(_context) {
                    while (1) switch (_context.prev = _context.next) {
                      case 0:
                        _context.next = 2;
                        return checkIfFinish();
                      case 2:
                        _context.t0 = _context.sent;
                        if (!(_context.t0 === true)) {
                          _context.next = 6;
                          break;
                        }
                        clearInterval(intervalID);
                        intervalIDArr.splice(intervalIDArr.indexOf(intervalIDArr), 1);
                      case 6:
                      case "end":
                        return _context.stop();
                    }
                  }, _callee);
                })), 5000);
                intervalIDArr.push(intervalID);
              case 6:
              case "end":
                return _context2.stop();
            }
          }, _callee2);
        })), 500);
      }
    })),
    _useState4 = _slicedToArray(_useState3, 1),
    uploadQueue = _useState4[0];
  (0, _react.useEffect)(function () {
    /* 定义displayName是为了在浏览器开发者工具里更好地显示高阶组件名称 */
    component.displayName = "withUploader(".concat((0, _lib.getComponentDisplayName)(WrappedComponent), ")");
    component.defaultProps = {
      perChunkSize: 1024 * 512,
      errorCb: function errorCb() {},
      finishCb: function finishCb() {}
    };
    component.propTypes = {
      perChunkSize: _propTypes.default.number,
      errorCb: _propTypes.default.func,
      finishCb: _propTypes.default.func
    };
  }, [component, WrappedComponent]);

  /* 清理所有定时器 */
  (0, _react.useEffect)(function () {
    return function () {
      intervalIDArr.forEach(function (intervalID) {
        return clearInterval(intervalID);
      });
    };
  }, [intervalIDArr]);
  return {
    filesList: filesList,
    setFilesList: setFilesList,
    uploadQueue: uploadQueue
  };
}
/**
 * 根据用户选择上传的文件来初始化文件信息，并添加到state里
 * @param {File} file 用户选择上传的文件
 */
function initFilesListState(file) {
  var fileInfo = {
    hash: (0, _lib.guid)(),
    // 用uuid来假装hash
    fileName: file.name,
    status: 'init',
    publicPath: '',
    size: file.size,
    sizeStr: (0, _lib.bytesToSize)(file.size) // 转换当前字节数
  };
  this.setFilesList([].concat(_toConsumableArray(this.filesList), [fileInfo]));
  console.log('根据用户选择上传的文件来初始化文件信息', fileInfo);
  return fileInfo;
}
/**
 * 根据文件hash查询当前组件管理的文件列表里是否已存在目标文件
 * @param {String} hash 文件hash
 */
function checkDuplicateByHash(hash) {
  return this.filesList.some(function (file) {
    return file.hash === hash;
  });
}
/**
 * 根据文件hash，从当前组件管理的文件列表中删除目标文件信息
 * @param {Object} currentFileInfo 用户当前选择上传的文件的信息
 */
function removeFile(currentFileInfo) {
  this.setFilesList(function (filesList) {
    return filesList.filter(function (file) {
      return currentFileInfo.hash !== file.hash;
    });
  });
}
/**
 * 更新state中的文件信息
 * @param {String} hash 文件hash
 * @param {Object} newFileAttrs 需要更新的文件信息字段；不需要更新的字段就不需要传进来
 */
function updateFileInfo(hash, newFileAttrs) {
  console.log('updateFileInfo=》 更新state中的文件信息');
  this.setFilesList(function (filesList) {
    return filesList.map(function (file) {
      return file.hash === hash ? _objectSpread(_objectSpread({}, file), newFileAttrs) : file;
    });
  });
  console.log('最新的this.filesList=》', this.filesList);
}
/**
 * <input type="file">的change事件回调函数
 * @param {Number} perChunkSize 每个分片的大小
 * @param {Function} errorCb 错误异常的处理函数
 */
function returnFileInputChangeCb(_ref3) {
  var _this = this;
  var perChunkSize = _ref3.perChunkSize,
    errorCb = _ref3.errorCb;
  console.log('调用input更新事件');
  return /*#__PURE__*/function () {
    var _ref4 = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee4(event) {
      var file, currentFileInfo, chunksArr, fileContentHash, remoteFileInfo;
      return _regeneratorRuntime().wrap(function _callee4$(_context4) {
        while (1) switch (_context4.prev = _context4.next) {
          case 0:
            file = event.target.files[0];
            currentFileInfo = initFilesListState.call(_this, file);
            console.log('当前已选择需要上传的文件', file);
            chunksArr = (0, _lib.splitFileToChunks)(file, perChunkSize); // 文件分片
            _context4.next = 6;
            return (0, _lib.calFileContentHash)(chunksArr);
          case 6:
            fileContentHash = _context4.sent;
            // 计算文件内容的hash
            if (checkDuplicateByHash.call(_this, fileContentHash)) {
              removeFile.call(_this, currentFileInfo);
              errorCb({
                errorCode: 1,
                message: 'duplicate file found by hash'
              });
            }
            console.log('当前文件内的fileContentHash', fileContentHash);
            updateFileInfo.call(_this, currentFileInfo.hash, {
              hash: fileContentHash
            });
            /* 查询该文件上传情况 */
            _context4.next = 12;
            return (0, _api.queryFileInfo)(_objectSpread(_objectSpread({}, currentFileInfo), {}, {
              fileHash: fileContentHash,
              chunksLength: chunksArr.length
            }));
          case 12:
            remoteFileInfo = _context4.sent;
            console.log('请求接口queryFileInfo=》初始化，返回当前文件上传情况 =>remoteFileInfo：', remoteFileInfo);
            updateFileInfo.call(_this, fileContentHash, {
              status: remoteFileInfo.status,
              url: remoteFileInfo.publicPath,
              chunks: remoteFileInfo.chunks,
              chunksLength: remoteFileInfo.chunksLength
            });
            /* 秒传 */
            if (!(remoteFileInfo.status === 'finish')) {
              _context4.next = 17;
              break;
            }
            return _context4.abrupt("return");
          case 17:
            _this.uploadQueue.addChunksToQueue(remoteFileInfo, chunksArr); // 建立上传队列
            _this.uploadQueue.run(); // 触发上传
          case 19:
          case "end":
            return _context4.stop();
        }
      }, _callee4);
    }));
    return function (_x) {
      return _ref4.apply(this, arguments);
    };
  }();
}
/**
 * 高阶组件的主函数
 * @param {ReactComponent} WrappedComponent 被封装的具体实现的组件
 */
function withUploader(WrappedComponent) {
  return function UploaderHoc(props) {
    var perChunkSize = props.perChunkSize,
      errorCb = props.errorCb,
      restProps = _objectWithoutProperties(props, _excluded);
    var fileInputRef = (0, _react.useRef)(null);
    var state = useComponentInit(UploaderHoc, WrappedComponent);
    /* 组装传给具体实现组件的props */
    var spreadProps = _objectSpread(_objectSpread({}, restProps), {}, {
      // 透传
      triggerFile: function triggerFile() {
        return fileInputRef.current.click();
      },
      filesList: state.filesList
    });
    return /*#__PURE__*/_react.default.createElement("div", {
      className: "upload-hoc"
    }, /*#__PURE__*/_react.default.createElement("input", {
      ref: fileInputRef,
      type: "file",
      className: "upload-hoc_file-input",
      onChange: returnFileInputChangeCb.call(state, {
        perChunkSize: perChunkSize,
        errorCb: errorCb
      })
    }), /*#__PURE__*/_react.default.createElement(WrappedComponent, spreadProps));
  };
}