"""
Stripe webhook handling is a 100%-coverage path per CLAUDE.md §18.
These tests exercise the pure data-transformation logic in
billing_service (no real Stripe API calls are made).
"""
from services import billing_service
from repositories.tenant_repository import tenant_repository


def test_checkout_completed_with_upgrade_metadata_updates_tenant():
    tenant = tenant_repository.create({
        'name': 'G Adventures', 'domain': 'gadventures.com', 'tier': 'analyse',
        'status': 'active', 'max_seats': 5,
    })

    billing_service.handle_checkout_completed({
        'metadata': {'tenant_id': tenant['id'], 'target_tier': 'discover'},
        'subscription': 'sub_123',
    })

    updated = tenant_repository.get_by_id(tenant['id'])
    assert updated['tier'] == 'discover'
    assert updated['max_seats'] == 8
    assert updated['stripe_subscription_id'] == 'sub_123'
    assert updated['status'] == 'trial'
    assert updated['trial_ends_at'] is not None


def test_checkout_completed_without_metadata_is_ignored_not_raised():
    # New-signup checkout sessions (no upgrade metadata) are out of
    # scope for this handler — manual onboarding handles new tenants.
    # Must not raise.
    billing_service.handle_checkout_completed({'metadata': {}})


def test_subscription_updated_changes_tier_when_present_in_metadata():
    tenant = tenant_repository.create({
        'name': 'G Adventures', 'domain': 'gadventures.com', 'tier': 'analyse',
        'status': 'active', 'max_seats': 5,
    })

    billing_service.handle_subscription_updated({'metadata': {'tier': 'intelligence'}}, tenant['id'])

    updated = tenant_repository.get_by_id(tenant['id'])
    assert updated['tier'] == 'intelligence'
    assert updated['max_seats'] == 10


def test_subscription_updated_no_op_without_tier_metadata():
    tenant = tenant_repository.create({
        'name': 'G Adventures', 'domain': 'gadventures.com', 'tier': 'analyse',
        'status': 'active', 'max_seats': 5,
    })

    billing_service.handle_subscription_updated({'metadata': {}}, tenant['id'])

    updated = tenant_repository.get_by_id(tenant['id'])
    assert updated['tier'] == 'analyse'


def test_subscription_deleted_marks_tenant_inactive():
    tenant = tenant_repository.create({
        'name': 'G Adventures', 'domain': 'gadventures.com', 'tier': 'analyse',
        'status': 'active', 'max_seats': 5,
    })

    billing_service.handle_subscription_deleted(tenant['id'])

    assert tenant_repository.get_by_id(tenant['id'])['status'] == 'inactive'


def test_upgrade_checkout_rejects_unconfigured_tier(monkeypatch):
    tenant = tenant_repository.create({
        'name': 'G Adventures', 'domain': 'gadventures.com', 'tier': 'analyse',
        'status': 'active', 'max_seats': 5,
    })
    monkeypatch.delenv('STRIPE_PRICE_DISCOVER', raising=False)

    try:
        billing_service.create_upgrade_checkout(tenant['id'], 'discover')
        assert False, 'expected ValueError'
    except ValueError as e:
        assert 'No Stripe price configured' in str(e)