"""
Licence validation is a 100%-coverage path per CLAUDE.md §18 — every
branch of services.licence_service.validate_email() is exercised here.
"""
from services import licence_service
from repositories.tenant_repository import tenant_repository
from repositories.seat_repository import seat_repository


def _make_tenant(status='active', max_seats=5):
    return tenant_repository.create({
        'name': 'G Adventures', 'email': 'pm@gadventures.com', 'domain': 'gadventures.com',
        'tier': 'analyse', 'status': status, 'max_seats': max_seats,
    })


def test_invalid_email_format_rejected():
    result = licence_service.validate_email('not-an-email')
    assert result == {'valid': False, 'reason': 'Invalid email address'}


def test_unregistered_domain_rejected():
    result = licence_service.validate_email('pm@unknown-domain.com')
    assert result['valid'] is False
    assert result['reason'] == 'Domain not registered'


def test_inactive_tenant_rejected():
    _make_tenant(status='inactive')
    result = licence_service.validate_email('pm@gadventures.com')
    assert result == {'valid': False, 'reason': 'Subscription inactive'}


def test_trial_tenant_is_valid_status():
    _make_tenant(status='trial')
    result = licence_service.validate_email('newuser@gadventures.com')
    assert result['valid'] is True
    assert result['tier'] == 'analyse'


def test_new_seat_registered_when_under_limit():
    tenant = _make_tenant(max_seats=5)
    result = licence_service.validate_email('newuser@gadventures.com')
    assert result == {'valid': True, 'tier': 'analyse'}
    assert seat_repository.count_active(tenant['id']) == 1


def test_existing_seat_refreshes_last_accessed_without_creating_duplicate():
    tenant = _make_tenant(max_seats=5)
    seat_repository.create({'tenant_id': tenant['id'], 'email': 'pm@gadventures.com', 'active': True})

    result = licence_service.validate_email('pm@gadventures.com')

    assert result == {'valid': True, 'tier': 'analyse'}
    assert seat_repository.count_active(tenant['id']) == 1


def test_seat_limit_reached_rejects_new_seat():
    tenant = _make_tenant(max_seats=1)
    seat_repository.create({'tenant_id': tenant['id'], 'email': 'first@gadventures.com', 'active': True})

    result = licence_service.validate_email('second@gadventures.com')

    assert result == {'valid': False, 'reason': 'Seat limit reached'}
    assert seat_repository.count_active(tenant['id']) == 1