require "pathname"
require_relative "renderer"

module InspecPlugins
  module Init
    class CLI < Inspec.plugin(2, :cli_command)
      #-------------------------------------------------------------------#
      #                     inspec init profile
      #-------------------------------------------------------------------#
      def self.valid_profile_platforms
        # Look in the 'template/profiles' directory and detect which platforms are available.
        profile_templates_dir = File.join(TEMPLATES_PATH, "profiles")
        Dir.glob(File.join(profile_templates_dir, "*")).select { |p| File.directory?(p) }.map { |d| File.basename(d) }
      end

      no_commands do
        def valid_profile_platforms
          self.class.valid_profile_platforms
        end
      end

      desc "profile [OPTIONS] NAME", "Generate a new profile"
      option :platform, default: "os", type: :string, aliases: [:p],
             desc: "Which platform to generate a profile for: choose from #{valid_profile_platforms.join(", ")}"
      option :overwrite, type: :boolean, default: false,
             desc: "Overwrites existing directory"
      def profile(new_profile_name)
        unless valid_profile_platforms.include?(options[:platform])
          ui.error "Unable to generate profile: No template available for platform '#{options[:platform]}' (expected one of: #{valid_profile_platforms.join(", ")})"
          ui.exit(:usage_error)
        end
        template_path = File.join("profiles", options[:platform])

        render_opts = {
          templates_path: TEMPLATES_PATH,
          overwrite: options[:overwrite],
        }
        renderer = InspecPlugins::Init::Renderer.new(ui, render_opts)

        vars = {
          name: new_profile_name,
        }
        renderer.render_with_values(template_path, "profile", vars)
      end
    end
  end
end