"""Unit tests for loyalty schemas."""

from datetime import UTC, datetime

import pytest

from app.modules.loyalty.schemas.card import (
    CardEnrollRequest,
    TransactionResponse,
)


@pytest.mark.unit
@pytest.mark.loyalty
class TestCardEnrollRequest:
    """Tests for enrollment request schema validation."""

    def test_valid_with_email(self):
        """Email-only enrollment is valid."""
        req = CardEnrollRequest(email="test@example.com")
        assert req.email == "test@example.com"
        assert req.customer_id is None

    def test_valid_with_customer_id(self):
        """Customer ID enrollment is valid."""
        req = CardEnrollRequest(customer_id=42)
        assert req.customer_id == 42
        assert req.email is None

    def test_self_enrollment_fields(self):
        """Self-enrollment accepts name, phone, birthday."""
        req = CardEnrollRequest(
            email="self@example.com",
            customer_name="Jane Doe",
            customer_phone="+352123456",
            customer_birthday="1990-01-15",
        )
        assert req.customer_name == "Jane Doe"
        assert req.customer_phone == "+352123456"
        assert req.customer_birthday == "1990-01-15"


@pytest.mark.unit
@pytest.mark.loyalty
class TestTransactionResponse:
    """Tests for transaction response schema."""

    def test_customer_name_field_defaults_none(self):
        """customer_name field exists and defaults to None."""
        now = datetime.now(UTC)
        tx = TransactionResponse(
            id=1,
            card_id=1,
            transaction_type="points_earned",
            stamps_delta=0,
            points_delta=50,
            transaction_at=now,
            created_at=now,
        )
        assert tx.customer_name is None

    def test_customer_name_can_be_set(self):
        """customer_name can be explicitly set."""
        now = datetime.now(UTC)
        tx = TransactionResponse(
            id=1,
            card_id=1,
            transaction_type="card_created",
            stamps_delta=0,
            points_delta=0,
            customer_name="John Doe",
            transaction_at=now,
            created_at=now,
        )
        assert tx.customer_name == "John Doe"