import json
import toggle_game


def recieve_game(game_json: str) -> dict:
    game = json.loads(game_json)
    if game['size'] < 0 or game['size'] > 100:
        raise Exception("Invalid Board size")
    if game['finished']:
        raise Exception("The game is finished")
    if game['human_turn']:
        raise Exception("Not the computer's turn")
    if game['version'] != "0.0.0":
        raise Exception("Invalid version")
    return game


def send_game(game: dict) -> str:
    # TODO: mutate game
    game_json = json.dumps(game)
    return game_json


def application(env, start_response):
    headers = [('Content-Type', 'application/json')]
    start_response('200 OK', headers)

    if env['REQUEST_METHOD'] == 'POST':
        game = {'test': 0}
        try:
            game = json.load(env['wsgi.input'])
        except json.JSONDecodeError:
            return [json.dumps({'failure': True}).encode('utf-8')]
        game['modified'] = 'modified by the server :)'
        game_json = json.dumps(game)
        return [game_json.encode('utf-8')]

    return [json.dumps({'not_post': True}).encode('utf-8')]



def main():
    pass