defmodule BCUtils.Banner do
  @moduledoc """
  Provides functionality to display a startup banner.
  """

  def display_banner(:server) do
    beam_section = beam_ascii_art()
    campus_section = campus_ascii_art()

    server_section = """

                         ExESDB Server
                    Event Store Database System
                        🚀 Ready to serve!
    """

    show_banner(beam_section, campus_section, server_section, :server)
  end

  def display_banner(:gateway) do
    beam_section = beam_ascii_art()
    campus_section = campus_ascii_art()

    gateway_section = """

                         ExESDB Gateway
                    API Gateway Service
                        🌐 Ready to route!
    """

    show_banner(beam_section, campus_section, gateway_section, :gateway)
  end

  defp beam_ascii_art do
    """

             ██████╗ ███████╗ █████╗ ███╗   ███╗
             ██╔══██╗██╔════╝██╔══██╗████╗ ████║
             ██████╔╝█████╗  ███████║██╔████╔██║
             ██╔══██╗██╔══╝  ██╔══██║██║╚██╔╝██║
             ██████╔╝███████╗██║  ██║██║ ╚═╝ ██║
             ╚═════╝ ╚══════╝╚═╝  ╚═╝╚═╝     ╚═╝
    """
  end

  defp campus_ascii_art do
    """

       ██████╗ █████╗ ███╗   ███╗██████╗ ██╗   ██╗███████╗
      ██╔════╝██╔══██╗████╗ ████║██╔══██╗██║   ██║██╔════╝
      ██║     ███████║██╔████╔██║██████╔╝██║   ██║███████╗
      ██║     ██╔══██║██║╚██╔╝██║██╔═══╝ ██║   ██║╚════██║
      ╚██████╗██║  ██║██║ ╚═╝ ██║██║     ╚██████╔╝███████║
       ╚═════╝╚═╝  ╚═╝╚═╝     ╚═╝╚═╝      ╚═════╝ ╚══════╝
    """
  end

  defp show_banner(beam_section, campus_section, service_section, type) do
    color_reset = "\e[0m"
    # Blue
    color_beam = "\e[34m"
    # Green
    color_campus = "\e[32m"

    color_service =
      case type do
        # Purple
        :server -> "\e[35m"
        # Cyan
        :gateway -> "\e[36m"
        _ -> "\e[0m"
      end

    IO.puts(color_beam <> beam_section <> color_reset)
    IO.puts(color_campus <> campus_section <> color_reset)
    IO.puts(color_service <> service_section <> color_reset)
  end
end