import os
import sys

sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))

import pytest

from agents.claude import ClaudeAgent
from agents.ollama import OllamaAgent


def pytest_addoption(parser):
    parser.addoption(
        "--mcp-url",
        default="http://localhost:7860/gradio_api/mcp/sse",
        help="MCP server SSE endpoint",
    )
    parser.addoption(
        "--agent",
        default="claude",
        help="Agent implementation to test (claude, ollama)",
    )
    parser.addoption(
        "--ollama-host",
        default="http://localhost:11434",
        help="Ollama server host",
    )
    parser.addoption(
        "--ollama-model",
        default="llama3.2",
        help="Ollama model name",
    )


@pytest.fixture(scope="session")
def mcp_url(request):
    return request.config.getoption("--mcp-url")


@pytest.fixture(scope="session")
def agent(request, mcp_url):
    name = request.config.getoption("--agent")
    if name == "claude":
        return ClaudeAgent(mcp_url)
    if name == "ollama":
        return OllamaAgent(
            mcp_url,
            model=request.config.getoption("--ollama-model"),
            ollama_host=request.config.getoption("--ollama-host"),
        )
    raise ValueError(f"Unknown agent: {name}")


@pytest.fixture(scope="session")
def _result_cache():
    return {}


@pytest.fixture
def run_scenario(agent, _result_cache):
    def _run(scenario):
        if scenario.name not in _result_cache:
            _result_cache[scenario.name] = agent.run(scenario.user_prompt)
        return _result_cache[scenario.name]
    return _run