from unittest.mock import Mock, patch

import httpx
import pytest

from mem0.configs.llms.base import BaseLlmConfig
from mem0.llms.azure_openai import AzureOpenAILLM

MODEL = "gpt-4o"  # or your custom deployment name
TEMPERATURE = 0.7
MAX_TOKENS = 100
TOP_P = 1.0


@pytest.fixture
def mock_openai_client():
    with patch("mem0.llms.azure_openai.AzureOpenAI") as mock_openai:
        mock_client = Mock()
        mock_openai.return_value = mock_client
        yield mock_client


def test_generate_response(mock_openai_client):
    config = BaseLlmConfig(
        model=MODEL, temperature=TEMPERATURE, max_tokens=MAX_TOKENS, top_p=TOP_P
    )
    llm = AzureOpenAILLM(config)
    messages = [
        {"role": "system", "content": "You are a helpful assistant."},
        {"role": "user", "content": "Hello, how are you?"},
    ]

    mock_response = Mock()
    mock_response.choices = [
        Mock(message=Mock(content="I'm doing well, thank you for asking!"))
    ]
    mock_openai_client.chat.completions.create.return_value = mock_response

    response = llm.generate_response(messages)

    mock_openai_client.chat.completions.create.assert_called_once_with(
        model=MODEL,
        messages=messages,
        temperature=TEMPERATURE,
        max_tokens=MAX_TOKENS,
        top_p=TOP_P,
    )
    assert response == "I'm doing well, thank you for asking!"


@pytest.mark.parametrize(
    "default_headers",
    [None, {"Firstkey": "FirstVal", "SecondKey": "SecondVal"}],
)
def test_generate_with_http_proxies(default_headers):
    mock_http_client = Mock()
    mock_http_client_instance = Mock()
    mock_http_client.return_value = mock_http_client_instance
    azure_kwargs = {"api_key": "test"}
    if default_headers:
        azure_kwargs["default_headers"] = default_headers

    with (
        patch("mem0.llms.azure_openai.AzureOpenAI") as mock_azure_openai,
        patch("httpx.Client", new=mock_http_client),
    ):
        config = BaseLlmConfig(
            model=MODEL,
            temperature=TEMPERATURE,
            max_tokens=MAX_TOKENS,
            top_p=TOP_P,
            api_key="test",
            http_client_proxies="http://testproxy.mem0.net:8000",
            azure_kwargs=azure_kwargs,
        )

        _ = AzureOpenAILLM(config)

        mock_azure_openai.assert_called_once_with(
            api_key="test",
            http_client=mock_http_client_instance,
            azure_deployment=None,
            azure_endpoint=None,
            api_version=None,
            default_headers=default_headers,
        )
        mock_http_client.assert_called_once_with(
            proxies="http://testproxy.mem0.net:8000"
        )