import asyncio

import pytest

from beaver.foundation.config.schema import AuthzConfig, BackendIdentityConfig, BeaverConfig
from beaver.integrations import outlook


class _FakeAuthzClient:
    async def get_outlook_settings(self, backend_id: str) -> dict:
        assert backend_id == "steven"
        return {
            "configured": True,
            "email": "steven.yx.li@boardware.com",
            "server": "mail.boardware.com.mo",
        }


def _authz_config() -> BeaverConfig:
    return BeaverConfig(
        authz=AuthzConfig(
            enabled=True,
            base_url="http://authz.example",
            outlook_mcp_url="http://outlook-mcp.example/mcp",
        ),
        backend_identity=BackendIdentityConfig(
            backend_id="steven",
            client_id="steven",
            client_secret="secret",
        ),
    )


def test_outlook_status_does_not_probe_mcp_by_default(monkeypatch: pytest.MonkeyPatch, tmp_path) -> None:
    monkeypatch.setattr(outlook, "_authz_client", lambda _config: _FakeAuthzClient())

    async def fail_if_called(*_args, **_kwargs):
        raise AssertionError("status should not call Outlook MCP by default")

    monkeypatch.setattr(outlook, "_call_outlook_mcp_tool", fail_if_called)

    result = asyncio.run(outlook.outlook_status(_authz_config(), tmp_path))

    assert result["configured"] is True
    assert result["connected"] is False
    assert result["auth_status"] is None
    assert result["error"] is None


def test_outlook_overview_loads_sections_serially(monkeypatch: pytest.MonkeyPatch, tmp_path) -> None:
    monkeypatch.setattr(outlook, "_authz_client", lambda _config: _FakeAuthzClient())
    active_calls = 0
    max_active_calls = 0
    tool_names: list[str] = []

    async def fake_call(_config, tool_name: str, _arguments, **_kwargs):
        nonlocal active_calls, max_active_calls
        tool_names.append(tool_name)
        active_calls += 1
        max_active_calls = max(max_active_calls, active_calls)
        await asyncio.sleep(0.01)
        active_calls -= 1
        return {"value": []}

    monkeypatch.setattr(outlook, "_call_outlook_mcp_tool", fake_call)

    result = asyncio.run(outlook.get_overview(_authz_config(), tmp_path))

    assert result["warnings"] == []
    assert tool_names == ["mail_list_messages", "mail_list_messages", "calendar_list_events"]
    assert max_active_calls == 1