import uuid

from typing import TYPE_CHECKING, List

from barker.models.modifier_category_product import ModifierCategoryProduct
from sqlalchemy import text
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship

from ..db.base_class import reg


if TYPE_CHECKING:
    from .inventory import Inventory
    from .modifier_category import ModifierCategory
    from .product_version import ProductVersion


@reg.mapped_as_dataclass(unsafe_hash=True)
class Product:
    __tablename__ = "products"
    id: Mapped[uuid.UUID] = mapped_column(
        "id", UUID(as_uuid=True), primary_key=True, server_default=text("gen_random_uuid()"), insert_default=uuid.uuid4
    )
    versions: Mapped[List["ProductVersion"]] = relationship(back_populates="product")
    inventories: Mapped[List["Inventory"]] = relationship(back_populates="product")
    modifier_categories: Mapped[List["ModifierCategory"]] = relationship(
        "ModifierCategory",
        secondary=ModifierCategoryProduct.__table__,  # type: ignore[attr-defined]
        order_by="ModifierCategory.sort_order",
        back_populates="products",
    )

    def __init__(self, id_=None, version_id=None):
        self.id = id_
        self.version_id = version_id