from datetime import datetime, timedelta

import pytest

pytestmark = pytest.mark.nft


try:
    from app.core.models.license.nft_license import NFTLicense
except Exception:
    NFTLicense = None  # type: ignore


@pytest.mark.skipif(NFTLicense is None, reason="NFTLicense model not importable")
def test_nft_license_active_by_default():
    lic = NFTLicense(
        license_id="LIC-1",
        content_id="CID-1",
        owner_address="EQxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
        nft_address="EQyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy",
    )
    assert lic.is_active(), "License without expires_at must be active"


@pytest.mark.skipif(NFTLicense is None, reason="NFTLicense model not importable")
def test_nft_license_expired_detection():
    past = datetime.utcnow() - timedelta(days=1)
    lic = NFTLicense(
        license_id="LIC-2",
        content_id="CID-2",
        owner_address="EQowner",
        nft_address="EQnft",
        expires_at=past,
    )
    assert not lic.is_active(), "Expired license must not be active"


@pytest.mark.skipif(NFTLicense is None, reason="NFTLicense model not importable")
def test_nft_license_to_from_dict_roundtrip():
    future = datetime.utcnow() + timedelta(days=7)
    lic = NFTLicense(
        license_id="LIC-3",
        content_id="CID-3",
        owner_address="EQo",
        nft_address="EQn",
        expires_at=future,
    )
    d = lic.to_dict()
    restored = NFTLicense.from_dict(d)
    assert restored.license_id == lic.license_id
    assert restored.content_id == lic.content_id
    assert restored.owner_address == lic.owner_address
    assert restored.nft_address == lic.nft_address
    assert (restored.expires_at is not None) and abs((restored.expires_at - future).total_seconds()) < 2