defmodule NdtlinkWeb.ApiController do
  @moduledoc """
    API Main Controller
  """
  use NdtlinkWeb, :controller
  alias Ndtlink.Guardian
  alias Ndtlink.Accounts
  alias Ndtlink.Accounts.User

  @doc """
    Renders the API public status JSON response
  """
  def index(conn, _params) do
    %Plug.Conn{:remote_ip => remote_ip} = conn

    app_info = %{
      version: Application.get_env(:ndtlink, :version),
      version_name: Application.get_env(:ndtlink, :version_name),
      description: Application.get_env(:ndtlink, :description),
      time: System.os_time(:seconds),
      remote_ip: remote_ip
    }

    render conn, "index.json", app_info
  end

  # Authentication Functions

  def sign_in(conn, %{username: username, password: password}) do

    case Accounts.get_user!(username, password) do
      {:ok, user} -> conn |> Guardian.Plug.sign_in(user) |> send_resp(204, "")
      {:error, _} -> send_resp(conn, 404, "")
    end

  end

  def sign_out(conn, _params) do
    conn
    |> Guardian.Plug.sign_out()
    |> send_resp(204, "")
  end

end