from django.views.generic import View
from django.http import JsonResponse
from django.conf import settings
import inspect

import GeoffreyApp.api.commands as commands
from GeoffreyApp.api.BotErrors import *


def getRequiredArgs(func):
    args = inspect.getfullargspec(func)
    '''
    if defaults:
        args = args[:-len(kwonlyargs)]
    '''
    return args.args + args.kwonlyargs


GET = []
POST = []
DELETE = []

for command in commands.get_list:
    GET.append({"name": command.__name__, "params": getRequiredArgs(command)})
for command in commands.post_list:
    POST.append({"name": command.__name__, "params": getRequiredArgs(command)})
for command in commands.delete_list:
    DELETE.append({"name": command.__name__, "params": getRequiredArgs(command)})
command_response = {"GET": GET, "POST": POST, "DELETE": DELETE}


def run_command(request, command, command_list):
    command = command.lower()
    try:
        for c in command_list:
            if command == c.__name__:
                response = c(**request.dict())
                return JsonResponse(response, safe=False)

        raise CommandNotFound
    except Exception as e:
        response = {"error": e.__class__.__name__}

    return JsonResponse(response, safe=False)


class CommandAPI(View):
    def get(self, request, command):
        get = request.GET
        if command.lower() != "commands":
            return run_command(get, command, commands.get_list)
        else:
            return JsonResponse(command_response)

    def post(self, request, command):
        post = request.POST
        return run_command(post, command, commands.post_list)

    def delete(self, request, command):
        delete = request.DELETE
        return run_command(delete, command, commands.delete_list)


class SettingsAPI(View):
    def get(self, request):
        response = {
            "BOT_PREFIX": getattr(settings, 'BOT_PREFIX', '?'),
            "ERROR_USERS": getattr(settings, 'ERROR_USERS', []),
            "MOD_RANK": getattr(settings, 'MOD_RANK', []),
            "DEFAULT_STATUS": getattr(settings, 'DEFAULT_STATUS', 'sed')
        }

        return JsonResponse(response)