/*
 * Copyright (c) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

export function mockNetwork() {
  const data = {
    metered: true,
    type: "5g"
  }
  const network = {
    getType: function (...args) {
      console.warn("network.getType interface mocked in the Previewer. How this interface works on the Previewer may" +
        " be different from that on a real device.")
      args[0].success(data)
      args[0].complete()
    },
    subscribe: function (...args) {
      console.warn("network.subscribe interface mocked in the Previewer. How this interface works on the Previewer" +
        " may be different from that on a real device.")
      if (!this.unsubscribeNetwork) {
        this.unsubscribeNetwork = setInterval(() => {
          args[0].success(data)
        }, 3000)
      }
    },
    unsubscribe: function () {
      console.warn("network.unsubscribe interface mocked in the Previewer. How this interface works on the Previewer" +
        " may be different from that on a real device.")
      clearInterval(this.unsubscribeNetwork)
      delete this.unsubscribeNetwork
    }
  }
  return network
}