# encoding: utf-8
require 'easy_html_generator/generator/base'

# this generator resolves and runs a Gruntfile
class EasyHtmlGenerator::Generator::Service::Grunt <
  EasyHtmlGenerator::Generator::Base

  def generate!(config)
    return unless File.exist? config.source
    log `  #{grunt_command(config)}  `
  end

  def grunt_folder(config)
    File.dirname(config.source)
  end

  def grunt_command(config)
    command = "cd #{grunt_folder(config)} \
               && npm install && grunt #{config.task}"

    "if which grunt >/dev/null; then echo '\e[32m  | ->running grunt \
    \e[0m' && #{command}; else echo '\e[31mplease install grunt \
    \"npm install -g grunt\" http://gruntjs.com/ \e[0m'; fi"
  end
end