module Lolcat
    REPL = {
            /what/     => %w/wut whut/,   /you\b/   => %w/yu yous yoo u/,
            /cture/    => ['kshur'],          /unless/    => ['unles'],
            /the\b/=> ['teh'],            /more/      => ['moar'],
            /my/       => %w/muh mah/,    /are/       => %w/r is ar/,
            /eese/     => ['eez'],            /ph/        => ['f'],
            /as\b/   => ['az'],             /seriously/ => ['srsly'],
            /er\b/   => ['r'],              /sion/      => ['shun'],
            /just/     => ['jus'],            /ose\b/   => ['oze'],
            /eady/     => ['eddy'],           /ome?\b/  => ['um'],
            /of\b/   => %w/of ov of/,   /uestion/ => ['wesjun'],
            /want/     => %w/wants/,          /ead\b/   => ['edd'],
            /ucke/     => %w/ukki ukke/,  /sion/      => ['shun'],
            /eak/      => %w/ekk/,            /age/       => ['uj'],
            /like/     => %w/likes liek/, /love/      => %w/loves lub lubs luv/,
            /\bis\b/ => %w/ar teh ar/,  /nd\b/   => ['n'],
            /who/      => %w/hoo/,            /\'/      => [''],
            /ese\b/  => %w/eez/,            /outh/      => %w/owf/,
            /scio/     => ['shu'],            /esque/     => %w/esk/,
            /ture/     => ['chur'],           /\btoo?\b/=> %w/to t 2 to t/,
            /tious/    => ['shus'],           /sure\b/  => ['shur'],
            /tty\b/  => ['tteh'],           /were/      => ['was'],
            /ok\b/   => %w/'k kay/ ,   /\ba\b/   => [''],
            /ym/       => ['im'],             /thy\b/   => ['fee'],
            /\wly\w/ => ['li'],             /que\w/   => ['kwe'],
            /oth/      => ['udd'],            /ease/      => ['eez'],
            /ing\b/  => %w/in ins ng ing/,
            /have/   => %w/has hav haz a/,
            /your/     => %w/yur ur yore yoar/,
            /ove\b/  =>  %w/oov ove uuv uv oove/,
            /for/      => %w/for 4 fr fur for foar/,
            /thank/    => %w/fank tank thx thnx/,
            /good/     => %w/gud goed guud gude gewd/,
            /really/   => %w/rly rily rilly rilley/,
            /world/    => %w/wurrld whirld wurld wrld/,
            /i'?m\b/     => ['im'],
            /(?!e)ight/   => ['ite'],
            /(?!ues)tion/ => ['shun'],
            /you\'?re/    => %w/yore yr/,
            /\boh\b(?!.*hai)/  => %w/o ohs/,
            /can\si\s(?:ple(?:a|e)(?:s|z)e?)?\s?have\sa/ => ['i can has'],
            /(?:hello|\bhi\b|\bhey\b|howdy|\byo\b),?/    => ['oh hai,'],
            /(?:god|allah|buddah?|diety)/                => ['ceiling cat'],
        }

    def self.translate(sentence)
        self.translate! sentence.dup
    end

    def self.translate!(sentence)
        sentence.downcase!
        REPL.keys.each do |key|
            while key =~ sentence
                sentence.sub!(key, REPL[key].sample)
            end
        end
        return sentence.upcase!
    end

end

class String

    def to_lol
        Lolcat.translate(self)
    end

    def to_lol!
        Lolcat.translate!(self)
    end
end