class Raykit::Version

def self.detect(name,verbose=false)
    version=detect_from_file("#{name}/#{name}.csproj",/<Version>([\d.]+)</,verbose)
    return version if(version.length>0)
    version=detect_from_file("#{name}/Properties/AssemblyInfo.cs",/^\[assembly: AssemblyVersion\(\"([.\w]+)/,verbose)
    return version if(version.length>0)
    version=detect_from_file("#{name}.gemspec",/version[\s]+=[\s]+['"]([\w.]+)['"]/,verbose)
    return version if(version.length>0)
    version=detect_from_file("#{name}.nuspec",/<[Vv]ersion>([\d.]+)</,verbose)
    return version if(version.length>0)
    if(verbose)
        warning="\u26A0"
        symbol=Rainbow(warning.encode('utf-8')).yellow
        puts symbol + ' version not detected'
    end
    ''
end

def self.detect_from_file(filename,regex,verbose)
    version=''
    if(File.exists?(filename))
        match = IO.read(filename).match(regex)
        if(!match.nil? && match.captures.length>0)
            version = match.captures[0]
        end
    else
        return ''
    end
    if(verbose)
        if(version.length > 0)
            puts "version detected in #{filename}"
        else
            puts "no version detected in #{filename}, regex #{regex.source}"
        end
    end
    version
end