require "pathname"
require "rails/generators"

module Kiqr
  class UpdateGenerator < Rails::Generators::Base
    source_paths << Kiqr::Engine.root

    def copy_migrations
      say_status :copying, "migrations"
      rake "kiqr:install:migrations"
    end

    def copy_models
      say_status :copying, "models"
      source = File.join(Kiqr::Engine.root, "app/models")
      destination = File.join(Rails.root, "app/models")

      safe_directory source, destination
    end

    protected

    def safe_directory(source, destination)
      Dir.glob(File.join(source, "**", "*")).each do |file|
        # Calculate the destination path
        dest_file = file.sub(source, destination)

        if File.directory?(file)
          # Create the directory if it doesn't exist
          FileUtils.mkdir_p(dest_file) unless File.exists?(dest_file)
        else
          # Skip if file already exists
          if File.exist?(dest_file)
            say_status :exist, dest_file, :blue
          else
            # Copy the file
            say_status :create, dest_file
            FileUtils.cp(file, dest_file)
          end
        end
      end
    end
  end
end