module Cardio
  module Generators
    # Protected helper methods for DeckGenerator.
    # Many methods are called from .erb files.
    module DeckHelper
      protected

      def shark?
        !(monkey? || platypus?)
      end

      def monkey?
        options[:monkey]
      end

      def platypus?
        options[:platypus]
      end

      def erb_template name
        template "#{name}.erb", name
      end

      def repo_path
        @repo_path ||= determine_repo_path
      end

      def expanded_repo_path
        @expanded_repo_path ||= File.expand_path repo_path
      end

      def determine_repo_path
        @repo_path_determined ? (return nil) : (@repo_path_determined = true)
        path = options["repo-path"]
        path = ENV["DECKO_REPO_PATH"] if path.blank?
        path = prompt_for_repo_path if path.blank? && platypus?
        path.to_s
      end

      def repo_path_constraint subdir=nil
        repo_path.present? ? %(, path: "#{repo_path}/#{subdir}") : ""
      end

      def prompt_for_repo_path
        @repo_path = ask "Enter the path to your local decko repository: "
      end

      def spec_path
        @spec_path ||= platypus? ? repo_path : "mod/"
      end

      def spec_helper_path
        @spec_helper_path ||=
          platypus? ? "#{repo_path}/card/spec/spec_helper" : "./spec/spec_helper"
      end

      def features_path
        @features_path ||=
          platypus? ? File.expand_path("#{repo_path}/decko/features/") : "mod/"
      end

      def database_gem_and_version
        entry = database_gemfile_entry
        text = %("#{entry.name}")
        text << %(, '#{entry.version}') if entry.version
        # single quotes to prevent, eg: `gem "pg", ">= 0.18', '< 2.0"`
        text
      end

      def jasmine_yml prefix
        inside("javascripts/support") do
          template "#{prefix}_jasmine.yml.erb", "jasmine.yml"
        end
      end

      def mysql_socket
        return if RbConfig::CONFIG["host_os"].match?(/mswin|mingw/)

        @mysql_socket ||= [
          "/tmp/mysql.sock",                        # default
          "/var/run/mysqld/mysqld.sock",            # debian/gentoo
          "/var/tmp/mysql.sock",                    # freebsd
          "/var/lib/mysql/mysql.sock",              # fedora
          "/opt/local/lib/mysql/mysql.sock",        # fedora
          "/opt/local/var/run/mysqld/mysqld.sock",  # mac + darwinports + mysql
          "/opt/local/var/run/mysql4/mysqld.sock",  # mac + darwinports + mysql4
          "/opt/local/var/run/mysql5/mysqld.sock",  # mac + darwinports + mysql5
          "/opt/lampp/var/mysql/mysql.sock"         # xampp for linux
        ].find { |f| File.exist?(f) }
      end
    end
  end
end