# tests/models/test_gift.py
import uuid
from app.models.gift import GiftItem, GiftStatus, GiftPriority, GiftCategory, GiftPurchase


# ================================
# GiftItem Test Cases
# ================================

def test_create_gift_item(db_session, mock_user):
    # Arrange
    gift = GiftItem(
        id=uuid.uuid4(),
        event_id=uuid.uuid4(),
        added_by=mock_user.id,
        name="Baby Stroller",
        description="High-quality baby stroller.",
        price=150.00,
        currency="USD",
        quantity_requested=2,
        quantity_received=0,
        status=GiftStatus.AVAILABLE,
        priority=GiftPriority.MUST_HAVE,
        is_visible=True,
    )
    db_session.add(gift)

    # Act
    db_session.commit()
    created_gift = db_session.query(GiftItem).filter_by(name="Baby Stroller").first()

    # Assert
    assert created_gift is not None
    assert created_gift.name == "Baby Stroller"
    assert created_gift.status == GiftStatus.AVAILABLE
    assert created_gift.priority == GiftPriority.MUST_HAVE
    assert created_gift.price == 150.00
    assert created_gift.currency == "USD"


def test_update_gift_item(gift_item_fixture, db_session):
    # Act
    gift_item_fixture.quantity_requested = 3
    gift_item_fixture.status = GiftStatus.RESERVED
    gift_item_fixture.description = "Updated description for the gift."
    db_session.commit()

    # Assert
    assert gift_item_fixture.quantity_requested == 3
    assert gift_item_fixture.status == GiftStatus.RESERVED
    assert gift_item_fixture.description == "Updated description for the gift."


def test_delete_gift_item(gift_item_fixture, db_session):
    # Act
    db_session.delete(gift_item_fixture)
    db_session.commit()

    # Assert
    deleted_gift = db_session.query(GiftItem).filter_by(id=gift_item_fixture.id).first()
    assert deleted_gift is None


def test_gift_item_remaining_quantity(gift_item_fixture):
    # Arrange
    gift_item_fixture.quantity_requested = 5
    gift_item_fixture.quantity_received = 2

    # Act
    remaining_quantity = gift_item_fixture.remaining_quantity

    # Assert
    assert remaining_quantity == 3  # 5 requested - 2 received


def test_gift_item_is_fully_received(gift_item_fixture):
    # Arrange
    gift_item_fixture.quantity_requested = 4
    gift_item_fixture.quantity_received = 4

    # Act
    is_fully_received = gift_item_fixture.is_fully_received

    # Assert
    assert is_fully_received is True


# ================================
# GiftCategory Test Cases
# ================================

def test_create_gift_category(db_session, mock_user):
    # Arrange
    category = GiftCategory(
        id=uuid.uuid4(),
        event_id=uuid.uuid4(),
        created_by=mock_user.id,
        name="Toys",
        description="All kinds of educational toys."
    )
    db_session.add(category)

    # Act
    db_session.commit()
    created_category = db_session.query(GiftCategory).filter_by(name="Toys").first()

    # Assert
    assert created_category is not None
    assert created_category.description == "All kinds of educational toys."


def test_gift_category_total_gifts(db_session, mock_user):
    # Arrange
    category = GiftCategory(
        id=uuid.uuid4(),
        event_id=uuid.uuid4(),
        created_by=mock_user.id,
        name="Baby Essentials",
    )
    db_session.add(category)
    db_session.commit()

    gift1 = GiftItem(
        id=uuid.uuid4(),
        event_id=category.event_id,
        category_id=category.id,
        name="Bottle Set",
        quantity_requested=2,
        added_by=mock_user.id,
        status=GiftStatus.AVAILABLE,
    )
    gift2 = GiftItem(
        id=uuid.uuid4(),
        event_id=category.event_id,
        category_id=category.id,
        name="Diaper Bag",
        quantity_requested=1,
        added_by=mock_user.id,
        status=GiftStatus.AVAILABLE,
    )
    db_session.add_all([gift1, gift2])
    db_session.commit()

    # Act
    total_gifts = category.total_gifts

    # Assert
    assert total_gifts == 3  # 2 from gift1 + 1 from gift2


# ================================
# GiftPurchase Test Cases
# ================================

def test_create_gift_purchase(db_session, mock_user, gift_item_fixture):
    # Arrange
    purchase = GiftPurchase(
        id=uuid.uuid4(),
        gift_id=gift_item_fixture.id,
        guest_id=mock_user.id,
        quantity=2,
        purchase_price=50.00,
        purchase_currency="USD",
        notes="Gift purchased for the event."
    )
    db_session.add(purchase)

    # Act
    db_session.commit()
    created_purchase = db_session.query(GiftPurchase).filter_by(gift_id=gift_item_fixture.id).first()

    # Assert
    assert created_purchase is not None
    assert created_purchase.quantity == 2
    assert created_purchase.purchase_currency == "USD"
    assert created_purchase.notes == "Gift purchased for the event."


def test_link_purchase_to_gift(db_session, gift_item_fixture):
    # Arrange
    purchase = GiftPurchase(
        id=uuid.uuid4(),
        gift_id=gift_item_fixture.id,
        guest_id=uuid.uuid4(),
        quantity=1,
        purchase_price=25.00,
        purchase_currency="USD"
    )
    db_session.add(purchase)
    db_session.commit()

    # Act
    gift_purchases = gift_item_fixture.purchase_history

    # Assert
    assert len(gift_purchases) == 1
    assert gift_purchases[0].quantity == 1
    assert gift_purchases[0].purchase_price == 25.00