require "jobshop/dummy_app"
require "generators/jobshop/app/app_generator"

module Jobshop
  class DummyBuilder < Jobshop::AppBuilder
    def readme
      # Do not generate README.md
    end

    # Comment out username, password from production group.
    def config_database_yml
      gsub_file "config/database.yml",
        /^([ ]*[^#])(username: .*|password: .*)$/, '\1# \2'
    end

    # The db/migrate folder isn't created automatically.
    def db_migrate
      unless Dir.exist?("db/migrate")
        say_status :create, "db/migrate"
        Dir.mkdir("db/migrate")
      end
    end

    def expose_mailer_previews
      # Mailer previews don't really play nice with Engines so in the dummy app we
      # create an initializer to expose them properly.
      initializer "jobshop_expose_mailer_previews.rb", <<~INITIALIZER
        if Rails.env.development? || Rails.env.test?
          Rails.application.configure do
            config.action_mailer.preview_path = "\#{Jobshop::Engine.root}/spec/mailers"
          end
        end
      INITIALIZER
    end

    def localhost_tld_length
      # This allows us to easily use the localhost hostname in development.
      initializer "jobshop_tld_length.rb", <<~INITIALIZER
        if Rails.env.development? || Rails.env.test?
          Rails.application.configure do
            config.action_dispatch.tld_length = 0
          end
        end
      INITIALIZER
    end
  end

  module Generators
    class DummyGenerator < Jobshop::Generators::AppGenerator
      def self.source_root
        File.expand_path("templates", __dir__)
      end

      def self.source_paths
        Array(super) | [ Jobshop::Generators::DummyGenerator.source_root ]
      end

      hide!

      class_options[:skip_bundle].instance_variable_set(:@default, "true")
      class_options[:skip_gemfile].instance_variable_set(:@default, "true")
      class_options[:skip_git].instance_variable_set(:@default, "true")
      class_options[:skip_listen].instance_variable_set(:@default, "true")
      class_options[:skip_test].instance_variable_set(:@default, "true")

      def initialize(*)
        DummyApp.destroy! if Jobshop::DummyApp.exist?
        super
      end

      def self.banner
        "jobshop dummy [options]"
      end

      def create_boot_file
        template "config/boot.rb.tt"
      end

      def finish_template
        build :config_database_yml
        build :db_migrate
        build :expose_mailer_previews
        build :localhost_tld_length
        super
      end

      def run_bundle
        super
        bundle_command("exec rails db:drop:all")
        bundle_command("exec rails db:create")
        bundle_command("exec rails db:migrate")
        bundle_command("exec rails db:test:load_schema")
        bundle_command("exec rails g jobshop:team")
      end

    protected
      def get_builder_class
        Jobshop::DummyBuilder
      end
    end
  end
end