# Copyright 2019-2020 OMG Network Pte 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.

defmodule LoadTest.WatcherInfo.Client do
  @moduledoc """
    Interface to Watcher info which collects metrics.
  """
  alias LoadTest.Service.Metrics
  alias WatcherInfoAPI.Api.Account

  def get_balances(address) do
    Metrics.run_with_metrics(
      fn ->
        request(fn ->
          Account.account_get_balance(client(), %{address: address})
        end)
      end,
      "WatcherInfo.get_balances"
    )
  end

  def get_utxos(address) do
    Metrics.run_with_metrics(
      fn ->
        request(fn ->
          Account.account_get_utxos(client(), %{address: address})
        end)
      end,
      "WatcherInfo.get_utxos"
    )
  end

  defp request(func) do
    case func.() do
      {:ok, response} ->
        case Jason.decode!(response.body) do
          %{"data" => %{"object" => "error"}} = failure -> {:error, failure}
          decoded_response -> {:ok, decoded_response}
        end

      other ->
        other
    end
  end

  defp client() do
    LoadTest.Connection.WatcherInfo.client()
  end
end
