require 'rails/generators/base'

module CsvImportMagic
  module Generators
    class InstallGenerator < Rails::Generators::Base
      include Rails::Generators::Migration

      source_root File.expand_path('../../templates', __FILE__)

      desc 'Creates a routes to your application.'

      class_option :routes, desc: 'Generate routes', type: :boolean, default: true

      def add_csv_import_magic_routes
        route "mount CsvImportMagic::Engine => '/csv_import_magic'"
      end

      def add_importer_migration
        migration_template 'migration.rb', "db/migrate/create_#{table_name}.rb"
      end

      desc 'Creates a CSV Import Magic locales to your application.'

      def copy_locale
        template '../../../config/locales/en.yml', 'config/locales/csv_import_magic.en.yml'
      end

      def self.next_migration_number(_dir)
        Time.now.utc.strftime('%Y%m%d%H%M%S')
      end

      def table_name
        'importers'
      end

      def migration_data
        <<RUBY
      t.attachment :attachment
      t.attachment :attachment_error
      t.string :source
      t.string :parser
      t.string :columns
      t.string :message
      t.string :status, default: 'pending'
      t.references :importable, polymorphic: true
RUBY
      end

      def rails5?
        Rails.version.start_with? '5'
      end

      def migration_version
        "[#{Rails::VERSION::MAJOR}.#{Rails::VERSION::MINOR}]" if rails5?
      end
    end
  end
end