lab

defmodule Lab.Agent do
  @moduledoc """
  Documentation for Lab.Agent
  """

  alias Lab.Client

  @doc """
  Gets all resource(s) available to the authenticated user.

  Returns `{:ok, [%{}, %{}, ...]}`.

  ## Examples

      iex> alias Lab.Agent
      Lab.Agent

      iex> Agent.all('/projects')
      {:ok, [%{id: 1}, %{id: 2}, %{id: 3}]}

      iex> Agent.all('/projects', per_page: 2)
      {:ok, [%{id: 1}, %{id: 2}]}

  """

  def all(resource, opts \\ []) do
    res = Client.get(resource, [query: opts])
    {:ok, Enum.map(res.body, fn(x) -> to_struct(resource, x) end)}
  end

  @doc """
  Gets a single resource available to the authenticated user.

  Returns `{:ok, %{}}`.

  ## Examples

      iex> alias Lab.Agent
      Lab.Agent

      iex> Agent.get('/projects/1')
      {:ok, [%{id: 1}}

  """

    def get(resource, opts \\ []) do
      res = Client.get(resource, [query: opts])
        {:ok, to_struct(resource, res.body) }
    end

  defp to_struct(resource, string_map) do
    bits = String.split(resource, "/")
    str = bits
          |>  tl
          |> List.first
          |> String.replace_suffix("s", "")
          |> String.capitalize
    module = Module.concat("Lab", str)
    map = atomize(string_map)
    struct(module, map)
  end

  defp atomize(map) do
    for {key, val} <- map, into: %{}, do: {String.to_atom(key), val}
  end
end