import requests


class ChatClient:
    messages = []

    def input(self, message):
        self.messages.append({'role': 'user', 'content': message})

        response = requests.post('http://localhost:8900/', json=self.messages)
        if response.status_code == 200:
            self.messages = response.json()
            return self.messages[-1]['content']
        else:
            self.messages = self.messages[0:-1]
            return '### Error from backend'