defmodule Mix.Tasks.SoftPos.List.Clients do
  @moduledoc """
  Lists all OAuth2.0 clients for SoftPOS API.

  ## Usage

      mix soft_pos.list.clients

  This will display all registered OAuth clients with their details
  (excluding client secrets for security).
  """

  use Mix.Task
  alias DaProductApp.SoftPos.OauthApplications

  @shortdoc "List all OAuth clients for SoftPOS API"

  @impl Mix.Task
  def run(_args) do
    Mix.Task.run("app.start")

    clients = OauthApplications.list_applications()

    if Enum.empty?(clients) do
      Mix.shell().info("No OAuth clients found.")
    else
      Mix.shell().info("\nOAuth Clients for SoftPOS API:")
      Mix.shell().info("━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n")

      Enum.each(clients, fn client ->
        Mix.shell().info("""
        Name:       #{client.name}
        Client ID:  #{client.uid}
        Scopes:     #{client.scopes}
        Created:    #{Calendar.strftime(client.inserted_at, "%Y-%m-%d %H:%M:%S UTC")}
        ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        """)
      end)

      Mix.shell().info("Total clients: #{length(clients)}\n")
    end
  end
end