import os
from typing import Any, Dict

import requests

# Global var from env
QUANTUM_BACKEND_URL = os.getenv(
    "QUANTUM_BACKEND_URL", os.environ["QUANTUM_BACKEND_URL"]
)


def get_or_create_device_by_name(
    system_name: str, max_qubits: int, access_token
) -> Dict[str, Any]:
    """
    Get or create a device by name.

    Args:
        system_name: Name of the system
        max_qubits: Maximum number of qubits

    Returns:
        Device data as dictionary

    Raises:
        requests.RequestException: If the request fails
    """

    url = f"{QUANTUM_BACKEND_URL}/machine"
    payload = {"system_name": system_name, "max_qubits": max_qubits}

    headers = {
        "Content-Type": "application/json",
        "Authorization": f"Bearer {access_token}",
        "Accept": "*/*",
        "Accept-Encoding": "gzip, deflate, br",
        "Connection": "keep-alive",
        "Referer": url,
        "Host": "quantum-backend.deowl.ru",
    }

    try:
        response = requests.post(url, json=payload, headers=headers)
        print(response.content)
        print(response.headers)
        print(headers)
        response.raise_for_status()
        return response.json()
    except Exception as e:
        print(f"Failed to get or create device: {e}")
        raise Exception(f"Failed to get or create device: {e}") from e


def get_device_by_id(system_id: int, access_token) -> Dict[str, Any]:
    """
    Get device by ID.

    Args:
        system_id: ID of the system

    Returns:
        Device data as dictionary

    Raises:
        requests.RequestException: If the request fails
    """
    url = f"{QUANTUM_BACKEND_URL}/machine/system"
    params = {"system_id": system_id}

    headers = {
        "Content-Type": "application/json",
        "Authorization": f"Bearer {access_token}",
        "Accept": "*/*",
        "Accept-Encoding": "gzip, deflate, br",
        "Connection": "keep-alive",
        "Referer": url,
        "Host": "quantum-backend.deowl.ru",
    }

    try:
        response = requests.get(url, params=params, headers=headers)
        response.raise_for_status()
        return response.json()
    except requests.RequestException as e:
        raise Exception(f"Failed to get device by ID {system_id}: {e}") from e


def update_device_data(
    system_id: int,
    system_name: str,
    system_description: str,
    max_qubits: int,
    access_token,
) -> Dict[str, Any]:
    """
    Update device data.

    Args:
        system_id: ID of the system
        system_name: New system name
        system_description: New system description
        max_qubits: New maximum qubits

    Returns:
        Updated device data as dictionary

    Raises:
        requests.RequestException: If the request fails
    """
    url = f"{QUANTUM_BACKEND_URL}/machine"
    payload = {
        "system_id": system_id,
        "system_name": system_name,
        "system_description": system_description,
        "max_qubits": max_qubits,
    }

    headers = {
        "Content-Type": "application/json",
        "Authorization": f"Bearer {access_token}",
        "Accept": "*/*",
        "Accept-Encoding": "gzip, deflate, br",
        "Connection": "keep-alive",
        "Referer": url,
        "Host": "quantum-backend.deowl.ru",
    }

    try:
        response = requests.put(url, json=payload, headers=headers)
        response.raise_for_status()
        return response.json()
    except requests.RequestException as e:
        raise Exception(f"Failed to update device data for ID {system_id}: {e}") from e


def get_comp_system_file(experiment_type_id: int) -> bytes:
    """
    Get comp_system file as a string/blob.

    Args:
        experiment_type_id: ID of the experiment type

    Returns:
        Python module content as string

    Raises:
        requests.RequestException: If the request fails
    """
    url = f"{QUANTUM_BACKEND_URL}/experiment/types/comp-system"
    params = {"experiment_type_id": experiment_type_id}

    try:
        response = requests.get(url, params=params)
        response.raise_for_status()
        return response.content
    except requests.RequestException as e:
        raise Exception(
            f"Failed to get comp_system file for experiment_type_id {experiment_type_id}: {e}"
        ) from e