import pytest
import httpx
import respx
from gitea_mcp import list_instances, get_server_info, get_current_user

BASE = "https://gitea.test/api/v1"


def test_list_instances():
    result = list_instances()
    assert result["default"] == "default"
    assert "default" in result["instances"]


@respx.mock
def test_get_server_info():
    route = respx.get(f"{BASE}/version").mock(
        return_value=httpx.Response(200, json={"version": "1.22.0"})
    )
    result = get_server_info()
    assert route.called
    assert result == {"version": "1.22.0"}


@respx.mock
def test_get_server_info_error():
    respx.get(f"{BASE}/version").mock(return_value=httpx.Response(500, json={"message": "internal error"}))
    with pytest.raises(RuntimeError, match="500"):
        get_server_info()


@respx.mock
def test_get_current_user():
    route = respx.get(f"{BASE}/user").mock(
        return_value=httpx.Response(200, json={"login": "alice", "id": 1})
    )
    result = get_current_user()
    assert route.called
    assert result["login"] == "alice"


@respx.mock
def test_get_current_user_error():
    respx.get(f"{BASE}/user").mock(return_value=httpx.Response(401, json={"message": "unauthorized"}))
    with pytest.raises(RuntimeError, match="401"):
        get_current_user()