module Makit::Gems

def self.get_installed_gem_version(gem_name)
  versions = `gem list #{gem_name}`.split("(")[1].split(")")[0].split(",")
  versions.first.strip
end

def self.get_latest_gem_version(gem_name)
  `gem search #{gem_name} --remote --exact`.split("(")[1].split(")")[0]
end

def self.install_latest_gem(gem_name)
    if(!is_gem_installed(gem_name))
      "gem install #{gem_name}".run
      puts "  #{gem_name} gem installed".colorize(:green)
    else
      latest_version = get_latest_gem_version(gem_name)
      installed_version = get_installed_gem_version(gem_name)
      if(installed_version != latest_version)
        "gem install #{gem_name}".run
        puts "  #{gem_name} gem updated to #{latest_version}".colorize(:green)
      else
        puts "  #{gem_name} gem is up to date".colorize(:green)
      end
    end
  end

def self.is_gem_installed(gem_name)
  `gem list #{gem_name}`
  $?.success?
end