from unittest.mock import MagicMock, patch
import pytest
from src import ai_client

@pytest.fixture(autouse=True)
def _reset_llama_state():
 if hasattr(ai_client, '_llama_client'):
  ai_client._llama_client = None
 if hasattr(ai_client, '_llama_history'):
  ai_client._llama_history = []
 if hasattr(ai_client, '_llama_base_url'):
  ai_client._llama_base_url = "http://localhost:11434/v1"
 if hasattr(ai_client, '_llama_api_key'):
  ai_client._llama_api_key = "ollama"
 yield

def test_send_llama_ollama_backend(monkeypatch: pytest.MonkeyPatch) -> None:
 ai_client._llama_base_url = "http://localhost:11434/v1"
 ai_client.set_provider("llama", "llama-3.2-3b-preview")
 mock_client = MagicMock()
 mock_client.chat.completions.create.return_value = MagicMock(
  choices=[MagicMock(message=MagicMock(content="hi from ollama", tool_calls=[]))],
  usage=MagicMock(prompt_tokens=5, completion_tokens=3),
 )
 with patch("src.ai_client._ensure_llama_client", return_value=mock_client):
  result = ai_client._send_llama("system", "user", ".", None, "", False, None, None, None)
  assert result == "hi from ollama"

def test_send_llama_openrouter_backend(monkeypatch: pytest.MonkeyPatch) -> None:
 ai_client._llama_base_url = "https://openrouter.ai/api/v1"
 ai_client.set_provider("llama", "llama-3.1-70b-versatile")
 captured_client = MagicMock()
 captured_client.chat.completions.create.return_value = MagicMock(
  choices=[MagicMock(message=MagicMock(content="hi from openrouter", tool_calls=[]))],
  usage=MagicMock(prompt_tokens=5, completion_tokens=3),
 )
 with patch("src.ai_client._ensure_llama_client", return_value=captured_client) as ensure:
  result = ai_client._send_llama("system", "user", ".", None, "", False, None, None, None)
  assert result == "hi from openrouter"
  assert ensure.called

def test_send_llama_custom_url(monkeypatch: pytest.MonkeyPatch) -> None:
 ai_client._llama_base_url = "http://my-server:9999/v1"
 mock_client = MagicMock()
 mock_client.chat.completions.create.return_value = MagicMock(
  choices=[MagicMock(message=MagicMock(content="hi from custom", tool_calls=[]))],
  usage=MagicMock(prompt_tokens=5, completion_tokens=3),
 )
 with patch("src.ai_client._ensure_llama_client", return_value=mock_client):
  result = ai_client._send_llama("system", "user", ".", None, "", False, None, None, None)
  assert result == "hi from custom"

def test_llama_model_discovery_unions_ollama_and_openrouter() -> None:
 from src.ai_client import _list_llama_models
 models = _list_llama_models()
 assert "llama-3.1-8b-instant" in models
 assert "llama-3.2-11b-vision-preview" in models
 assert "llama-3.3-70b-specdec" in models

def test_llama_3_2_vision_vision_capability() -> None:
 from src.vendor_capabilities import get_capabilities
 caps = get_capabilities("llama", "llama-3.2-11b-vision-preview")
 assert caps.vision is True

def test_llama_local_backend_cost_tracking_false_for_ollama() -> None:
 ai_client._llama_base_url = "http://localhost:11434/v1"
 from src.ai_client import _get_llama_cost_tracking
 assert _get_llama_cost_tracking() is False