from datetime import datetime, timedelta, timezone
import uuid

import pytest

from app.core.config import settings
from app.models.user import User, UserStatus
from app.models.user_login_session import UserLoginSession
from app.services.user_login_sessions import get_login_summaries, session_id_from_payload


def test_legacy_session_id_is_stable_without_storing_a_token():
    payload = {"sub": "00000000-0000-0000-0000-000000000101", "orig_iat": 1_700_000_000, "client_type": "web"}

    first = session_id_from_payload(payload)
    second = session_id_from_payload(payload)

    assert first == second
    assert isinstance(first, uuid.UUID)


@pytest.mark.asyncio
async def test_login_summary_marks_recent_unended_sessions_online(db_session, monkeypatch):
    now = datetime.now(timezone.utc)
    monkeypatch.setattr(settings, "USER_SESSION_ONLINE_SECONDS", 300)
    user = User(
        id=uuid.uuid4(),
        email="login-summary@example.com",
        password_hash="hash",
        full_name="Login Summary",
        clinical_department="IT",
        status=UserStatus.ACTIVE,
    )
    db_session.add(user)
    db_session.add_all(
        [
            UserLoginSession(
                id=uuid.uuid4(),
                user_id=user.id,
                client_type="desktop",
                login_at=now - timedelta(minutes=10),
                last_seen_at=now - timedelta(seconds=20),
            ),
            UserLoginSession(
                id=uuid.uuid4(),
                user_id=user.id,
                client_type="web",
                login_at=now - timedelta(days=1),
                last_seen_at=now - timedelta(days=1),
                ended_at=now - timedelta(days=1),
                end_reason="logout",
            ),
        ]
    )
    await db_session.commit()

    summaries = await get_login_summaries(db_session, [user.id])

    assert summaries[user.id].status == "ONLINE"
    assert summaries[user.id].active_session_count == 1
    assert summaries[user.id].client_type == "desktop"