import slimit
import cssmin

from importer import Importer


class CacheController:
    __cached__ = 'cached/'
    __aliases__ = {}

    def GET(self, files):
        cache = Importer(extension=self.__extension__,
                         root=self.__root__,
                         cached=self.__cached__)

        for alias, path in self.__aliases__.iteritems():
            cache.set_alias(alias, path)

        for f in files.split(','):
            cache.add(f)

        output = cache.output()

        if hasattr(self, 'minify'):
            output = self.minify(output)

        return output


class JsCache(CacheController):
    __url__ = '/js/(.*)'
    __root__ = 'static/js/'
    __extension__ = 'js'

    def minify(self, output):
        return slimit.minify(output)


class CssCache(CacheController):
    __url__ = '/css/(.*)'
    __root__ = 'static/css/'
    __extension__ = 'css'

    def minify(self, output):
        return cssmin.cssmin(output)