Executable script to generate base class file

exe/light

@@ -0,0 +1,7 @@
+#!/usr/bin/env ruby
+
+$LOAD_PATH.unshift(File.expand_path("../lib", __dir__))
+
+require 'light/cli'
+
+Light::CLI.start(ARGV)

lib/light/cli.rb

@@ -0,0 +1,23 @@
+require 'thor'
+require 'fileutils'
+
+module Light
+  class CLI < Thor
+    desc "generate NAME", "Generates a new service file with the given NAME"
+    def generate(name)
+      # TODO: can let the user decide their preferred directory
+      dir = "app/services" 
+      path = File.join(Dir.pwd, "#{dir}/#{name}_service.rb")
+      FileUtils.mkdir_p(File.dirname(path))
+
+      content = <<~RUBY
+        class #{name.capitalize}Service < Light::Services::Base
+          # Nothing to put here yet
+        end
+      RUBY
+
+      File.write(path, content)
+      puts "✅ Generated: #{path}"
+    end
+  end
+end

spec/light/cli_spec.rb

@@ -0,0 +1,19 @@
+# spec/light/cli_spec.rb
+require "spec_helper"
+require "fileutils"
+require 'light/cli'
+
+RSpec.describe Light::CLI do
+  let(:filename) { "app/services/application_service.rb" }
+
+  after(:each) do
+    FileUtils.rm_f(filename)
+  end
+
+  it "generates the correct service file via CLI" do
+    Light::CLI.start(["generate", "application"])
+
+    expect(File).to exist(filename)
+    expect(File.read(filename)).to include("class ApplicationService")
+  end
+end