class PoBoxGenerator < Rails::Generators::NamedBase
  source_root File.expand_path("templates", __dir__)

  def setup_initializer
    create_file "config/initializers/po_box.rb", "PoBox.emailable_class = \"#{name.camelize}\""
  end

  def mount_engine
    route "mount PoBox::Engine, at: \"/po_box\""
  end

  def include_concerns
    inject_into_file "app/models/#{name.tableize.singularize}.rb", after: "class #{name.camelize} < ApplicationRecord\n" do
      <<-RUBY
        include PoBox::Emailable
      RUBY
    end
  end

  def setup_inbox
    inject_into_file "app/mailboxes/application_mailbox.rb", after: "class ApplicationMailbox < ActionMailbox::Base\n" do
      <<-RUBY
        routing all: "po_box/inbox"
      RUBY
    end
  end

  def append_to_manifest
    append_to_file "app/assets/config/manifest.js" do
      "//= link po_box/application.css\n"
    end
  end
end