from jupyter_server.base.handlers import JupyterHandler
from jupyter_server.extension.handler import ExtensionHandlerMixin, ExtensionHandlerJinjaMixin

class ParameterHandler(ExtensionHandlerMixin, JupyterHandler):
    def get(self, matched_part=None, *args, **kwargs):
        var1 = self.get_argument('var1', default=None)
        components = [x for x in self.request.path.split("/") if x]
        self.write('<h1>Hello Simple App 2 from Handler.</h1>')
        self.write('<p>matched_part: {}</p>'.format(matched_part))
        self.write('<p>var1: {}</p>'.format(var1))
        self.write('<p>components: {}</p>'.format(components))

class BaseTemplateHandler(ExtensionHandlerJinjaMixin, ExtensionHandlerMixin, JupyterHandler): pass

class IndexHandler(BaseTemplateHandler):
    def get(self):
        self.write(self.render_template("index.html"))

class TemplateHandler(BaseTemplateHandler):
    def get(self, path):
        print(self.get_template('simple_ext2.html'))
        self.write(self.render_template('simple_ext2.html', path=path))

class ErrorHandler(BaseTemplateHandler):
    def get(self, path):
        self.write(self.render_template('error.html'))