defmodule EzcontainerRailwayWeb.SessionController do
  use EzcontainerRailwayWeb, :controller

  def token(conn, %{"railway_token" => token}) do
    case token_valid?(token) do
      true ->
        conn
        |> put_session(:railway_token, token)
        |> assign(:railway_token, token)
        |> redirect(to: "/containers")
      false ->
        conn
        |> put_flash(:error, "Invalid Token")
        |> redirect(to: "/")
    end
  end

  defp token_valid?(token) do
    resp = EzcontainerRailway.Railway.get_projects(token).body

    if has_errors?(resp["errors"]) do
      false
    else
      true
    end
  end

  defp has_errors?([_|_]), do: true
  defp has_errors?(_), do: false
end