# SPDX-FileCopyrightText: 2019 ash contributors <https://github.com/ash-project/ash/graphs/contributors>
#
# SPDX-License-Identifier: MIT

if Code.ensure_loaded?(Igniter) do
  defmodule Mix.Tasks.Ash.Set.Domains do
    use Igniter.Mix.Task

    @shortdoc "Dynamically discovers and updates Ash domains in config.exs"

    @moduledoc """
    Scans your application layout for Ash domains and automatically updates the
    `:ash_domains` configuration array inside `config/config.exs`.

    ## Example

        $ mix ash.set.domains
    """

    @impl Igniter.Mix.Task
    def igniter(igniter, _argv) do
      app_name = Igniter.Project.Application.app_name(igniter)

      Mix.shell().info("🔍 Scanning for Ash domains in :#{app_name}...")

      {igniter, domains} = Ash.Mix.Tasks.Helpers.discover_domains(igniter)

      if Enum.empty?(domains) do
        Mix.shell().error("❌ No modules utilizing `use Ash.Domain` were found.")
        igniter
      else
        Mix.shell().info("✨ Found #{length(domains)} domain(s). Patching configuration...")

        igniter
        |> Igniter.Project.Config.configure(
          "config.exs",
          app_name,
          [:ash_domains],
          domains
        )
      end
    end
  end
end