logdot

defmodule LogDot.Config do
  @moduledoc """

  Configuration handling for LogDot.

  """

  @default_timeout 5000
  @default_retry_attempts 3
  @default_retry_base_delay 1000
  @default_retry_max_delay 30_000

  defstruct [
    :api_key,
    :hostname,
    :entity_name,
    :entity_description,
    timeout: @default_timeout,
    retry_attempts: @default_retry_attempts,
    retry_base_delay: @default_retry_base_delay,
    retry_max_delay: @default_retry_max_delay,
    debug: false
  ]

  @type t :: %__MODULE__{

          api_key: String.t() | nil,

          hostname: String.t() | nil,

          entity_name: String.t() | nil,

          entity_description: String.t() | nil,

          timeout: pos_integer(),

          retry_attempts: pos_integer(),

          retry_base_delay: pos_integer(),

          retry_max_delay: pos_integer(),

          debug: boolean()

        }

  @spec from_env() :: t()
  def from_env do
    %__MODULE__{
      api_key: Application.get_env(:logdot, :api_key),
      hostname: Application.get_env(:logdot, :hostname),
      entity_name: Application.get_env(:logdot, :entity_name),
      entity_description: Application.get_env(:logdot, :entity_description),
      timeout: Application.get_env(:logdot, :timeout, @default_timeout),
      retry_attempts: Application.get_env(:logdot, :retry_attempts, @default_retry_attempts),
      retry_base_delay: Application.get_env(:logdot, :retry_base_delay, @default_retry_base_delay),
      retry_max_delay: Application.get_env(:logdot, :retry_max_delay, @default_retry_max_delay),
      debug: Application.get_env(:logdot, :debug, false)
    }
  end
end