import pytest
import aiosqlite

from app.db import MIGRATIONS_DIR
from app.rbac import user_has_role, user_has_role_for_host


async def _fresh_db() -> aiosqlite.Connection:
    conn = await aiosqlite.connect(":memory:")
    for migration_file in sorted(MIGRATIONS_DIR.glob("*.sql")):
        await conn.executescript(migration_file.read_text(encoding="utf-8"))
    return conn


@pytest.mark.asyncio
async def test_rbac_grants_and_expiry():
    conn = await _fresh_db()
    await conn.execute("INSERT INTO users (id, username, password_hash) VALUES (1, 'alice', 'x')")
    await conn.execute("INSERT INTO host_groups (id, name) VALUES (1, 'linux-prod')")
    await conn.execute(
        "INSERT INTO hosts (id, host_group_id, hostname, address, protocol, port, os_type) "
        "VALUES (1, 1, 'db01', '10.0.0.1', 'ssh', 22, 'linux')"
    )

    assert not await user_has_role(conn, user_id=1, host_group_id=1, role_name="ssh_connect")

    await conn.execute(
        "INSERT INTO user_hostgroup_roles (user_id, host_group_id, role_id) VALUES (1, 1, 1)"
    )
    await conn.commit()

    assert await user_has_role(conn, user_id=1, host_group_id=1, role_name="ssh_connect")
    assert await user_has_role_for_host(conn, user_id=1, host_id=1, role_name="ssh_connect")
    assert not await user_has_role_for_host(conn, user_id=1, host_id=1, role_name="rdp_connect")

    # Abgelaufene Freigabe darf nicht mehr gelten.
    await conn.execute(
        "UPDATE user_hostgroup_roles SET expires_at = '2000-01-01T00:00:00.000000Z' "
        "WHERE user_id = 1 AND host_group_id = 1 AND role_id = 1"
    )
    await conn.commit()
    assert not await user_has_role(conn, user_id=1, host_group_id=1, role_name="ssh_connect")
    await conn.close()