class Jeweler::VersionHelper

def bump_major
  @major += 1
  @minor = 0
  @patch = 0
  @build = nil
end

def bump_minor
  @minor += 1
  @patch = 0
  @build = nil
end

def bump_patch
  @patch += 1
  @build = nil
end

def initialize(base_dir)
  self.base_dir = base_dir
  if File.exist?(yaml_path)
    extend YamlExtension
    parse_yaml
  else
    extend PlaintextExtension
    parse_plaintext if File.exist?(plaintext_path)
  end
end

def path_to_version_file(filename)
  denormalized_path = File.join(@base_dir, filename)
  absolute_path = File.expand_path(denormalized_path)
  absolute_path.gsub(Dir.getwd + File::SEPARATOR, '')
end

def plaintext_path
  path_to_version_file('VERSION')
end

def to_s
  [major, minor, patch, build].compact.join('.')
end

def update_to(major, minor, patch, build = nil)
  @major = major
  @minor = minor
  @patch = patch
  @build = build
end

def yaml_path
  path_to_version_file('VERSION.yml')
end