google_calendar

defmodule GoogleCalendar.FreeBusy do
  import GoogleCalendar.Response

  @base_url "#{Application.get_env(:google_calendar, :base_url)}/freeBusy"
  @content_type Application.get_env(:google_calendar, :content_type)

  @doc """
  Check list of optons in `https://developers.google.com/google-apps/calendar/v3/reference/freebusy`

      # Example data:
      data = %{
        id: calendar_id,
        timeMin: "2017-08-01T00:00:00Z",
        timeMax: "2017-08-09T00:00:00Z",
        timeZone: "UTC",
        items: [
          %{
            "id": calendar_id
          }
        ]
      }

  `Function!/n` is similar to `Function/n` but raises error if an error occurs during the request
  """

  def show(client, data, opts \\ [], headers \\ []) do
    headers = headers ++ @content_type

    client
    |> OAuth2.Client.post(@base_url, data, headers, opts)
    |> show_resp("Show free time on calendar")
  end

  def show!(client, data, opts \\ [], headers \\ []) do
    case show(client, data, opts, headers) do
      {:ok, action, _resp} -> action
      {:error, code, message} -> raise "#{code} - #{message}"
    end
  end
end