import json

from typing import Any, List, Dict, Optional
from unittest import TestCase
from zulip_botserver import server

class BotServerTestCase(TestCase):

    def setUp(self) -> None:
        server.app.testing = True
        self.app = server.app.test_client()

    def assert_bot_server_response(self,
                                   available_bots: Optional[List[str]]=None,
                                   bots_config: Optional[Dict[str, Any]]=None,
                                   bots_lib_module: Optional[Dict[str, Any]]=None,
                                   bot_handlers: Optional[Dict[str, Any]]=None,
                                   payload_url: str="/bots/helloworld",
                                   message: Optional[Dict[str, Any]]=dict(message={'key': "test message"}),
                                   check_success: bool=False,
                                   ) -> None:
        if available_bots is not None:
            server.available_bots = available_bots
            server.bots_config = bots_config  # type: ignore # monkey-patching
            server.load_lib_modules()
            server.load_bot_handlers()

        response = self.app.post(payload_url, data=json.dumps(message))

        if check_success:
            assert 200 <= response.status_code < 300
        else:
            assert 400 <= response.status_code < 500