import os

from traitlets import Unicode

from jupyter_server.extension.application import ExtensionApp, ExtensionAppJinjaMixin

from .handlers import (
    DefaultHandler,
    ErrorHandler,
    ParameterHandler,
    RedirectHandler,
    TemplateHandler,
    TypescriptHandler,
)

DEFAULT_STATIC_FILES_PATH = os.path.join(os.path.dirname(__file__), "static")
DEFAULT_TEMPLATE_FILES_PATH = os.path.join(os.path.dirname(__file__), "templates")


class SimpleApp1(ExtensionAppJinjaMixin, ExtensionApp):

    # The name of the extension.
    name = "simple_ext1"

    # The url that your extension will serve its homepage.
    extension_url = "/simple_ext1/default"

    # Should your extension expose other server extensions when launched directly?
    load_other_extensions = True

    # Local path to static files directory.
    static_paths = [DEFAULT_STATIC_FILES_PATH]

    # Local path to templates directory.
    template_paths = [DEFAULT_TEMPLATE_FILES_PATH]

    configA = Unicode("", config=True, help="Config A example.")

    configB = Unicode("", config=True, help="Config B example.")

    configC = Unicode("", config=True, help="Config C example.")

    def initialize_handlers(self):
        self.handlers.extend(
            [
                (rf"/{self.name}/default", DefaultHandler),
                (rf"/{self.name}/params/(.+)$", ParameterHandler),
                (rf"/{self.name}/template1/(.*)$", TemplateHandler),
                (rf"/{self.name}/redirect", RedirectHandler),
                (rf"/{self.name}/typescript/?", TypescriptHandler),
                (rf"/{self.name}/(.*)", ErrorHandler),
            ]
        )

    def initialize_settings(self):
        self.log.info(f"Config {self.config}")


# -----------------------------------------------------------------------------
# Main entry point
# -----------------------------------------------------------------------------

main = launch_new_instance = SimpleApp1.launch_instance
