defmodule Credo.CLI.Command.GenConfig do
  use Credo.CLI.Command

  @shortdoc "Initialize a new .credo.exs config file in the current directory"

  @config_filename ".credo.exs"
  @default_config_file File.read!(@config_filename)

  def run(_args, _config) do
    create_config_file(@config_filename)
    :ok
  end

  defp create_config_file(filename) do
    if File.exists?(filename) do
      Bunt.puts [:red, :bright, "File exists: #{filename}, aborted."]
    else
      Bunt.puts [:green, "* creating ", :reset, "#{filename}"]
      write_config_file(filename)
    end
  end

  defp write_config_file(filename) do
    filename
    |> Path.dirname
    |> File.mkdir_p!

    File.write!(filename, @default_config_file)
  end

end