/**
 *  支持回调的seeionStorage库
 */
const webSessionStorage = {
  preId: 'hikauto-',
  status: {
    SUCCESS: 0,
    FAILURE: 1,
    OVERFLOW: 2,
  },
  storage: sessionStorage || window.sessionStorage,
  getKey: function (key: string) {
    return this.preId + key;
  },
  set: function (
    key: string,
    value: string | number,
    cb?: (status: number, key: string, value: string | number) => void,
  ) {
    let _status = this.status.SUCCESS;

    const _key = this.getKey(key);

    try {
      this.storage.setItem(_key, value + '');
    } catch (e) {
      _status = this.status.OVERFLOW;
    }
    cb && cb.call(this, _status, _key, value);
  },
  get: function (
    key: string,
    cb?: (status: number, value: string | number | null) => void,
  ) {
    const _key = this.getKey(key),
      that = this;

    let status = this.status.SUCCESS,
      value = null,
      result;
    try {
      value = that.storage.getItem(_key);
    } catch (e) {
      result = {
        status: that.status.FAILURE,
        value: null,
      };
      cb && cb.call(this, result.status, result.value);
      return result;
    }
    if (!value) {
      status = that.status.FAILURE;
    }
    result = {
      status: status,
      value: value,
    };
    cb && cb.call(this, result.status, result.value);
    return result;
  },
  // 删除storage，如果删除成功，返回删除的内容
  remove: function (
    key: string,
    cb?: (status: number, value: string | number | null) => void,
  ) {
    const _key = this.getKey(key);

    let status = this.status.FAILURE,
      value;
    try {
      value = this.storage.getItem(_key);
    } catch (e) {
      // dosomething
    }
    if (value) {
      try {
        this.storage.removeItem(_key);
        status = this.status.SUCCESS;
      } catch (e) {
        // dosomething
      }
    }
    cb && cb.call(this, status, status > 0 ? null : value + '');
  },
};

export default webSessionStorage;