# encoding: UTF-8

class WpItem
  attr_writer :version

  module Versionable

    # Get the version from the readme.txt
    #
    # @return [ String ] The version number
    def version
      unless @version
        # This check is needed because readme_url can return nil
        if has_readme?
          response = Browser.get(readme_url)
          version = response.body[/\b(?:stable tag|version):\s*(?!trunk)([0-9a-z\.-]+)/i, 1]
          if version.nil? || version !~ /[0-9]+/
            extracted_versions = response.body.scan(/[=]+\s+(?:v(?:ersion)?\s*)?([0-9\.-]+)[ \ta-z0-9\(\)\.-]*[=]+/i)
            return if extracted_versions.nil? || extracted_versions.length == 0
            extracted_versions.flatten!
            # must contain at least one number
            extracted_versions = extracted_versions.select { |x| x =~ /[0-9]+/ }
            sorted = extracted_versions.sort { |x,y|
              begin
                Gem::Version.new(x) <=> Gem::Version.new(y)
              rescue
                0
              end
            }
            @version = sorted.last
          else
            @version = version
          end
        end
      end
      @version
    end

    # @return [ String ]
    def to_s
      item_version = self.version
      "#@name#{' - v' + item_version.strip if item_version}"
    end

  end
end