import io
import requests


class ApiCredentials:
    def __init__(self, url, email, password, folder):
        self.url = url
        self.email = email
        self.password = password
        self.folder = folder


class Api:
    def __init__(self, credentials):
        self.token = None
        self.credentials = credentials

    def login(self):
        response = requests.post(f'{self.credentials.url}/login',
                                 json={"email": self.credentials.email, "password": self.credentials.password})
        response.raise_for_status()
        token = response.json()["token"]
        self.token = token

    def upload_file(self, filename: str, file_bytes: bytearray):
        folder = self.credentials.folder
        if self.token is None:
            self.login()
        url = f"{self.credentials.url}/resources/{folder}"
        headers = {"Authorization": f"Bearer {self.token}"}
        files = {'data': (filename, io.BytesIO(file_bytes))}
        try:
            r = requests.post(url, headers=headers, files=files, allow_redirects=True)
            r.raise_for_status()
            print(f"Upload {len(file_bytes)} bytes ({filename}) to {self.credentials.url}. Result: {r.status_code}")
        except Exception as e:
            print(f"Upload fail: {e}")