from datetime import datetime

from sqlalchemy import JSON, DateTime, ForeignKey, Integer, Numeric, String, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from core.db import Base


class Order(Base):
    __tablename__ = "orders"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    user_id: Mapped[int] = mapped_column(ForeignKey("users.id", ondelete="SET NULL"), nullable=True)
    status: Mapped[str] = mapped_column(String(32), default="paid")
    total: Mapped[float] = mapped_column(Numeric(10, 2))
    currency: Mapped[str] = mapped_column(String(3), default="EUR")
    address: Mapped[dict] = mapped_column(JSON, default=dict)
    payment: Mapped[dict] = mapped_column(JSON, default=dict)
    items: Mapped[list[dict]] = mapped_column(JSON, default=list)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

    status_history: Mapped[list["OrderStatusHistory"]] = relationship(
        "OrderStatusHistory", cascade="all, delete-orphan", lazy="joined"
    )


class OrderStatusHistory(Base):
    __tablename__ = "order_status_history"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    order_id: Mapped[int] = mapped_column(ForeignKey("orders.id", ondelete="CASCADE"))
    status: Mapped[str] = mapped_column(String(32))
    note: Mapped[str] = mapped_column(String(500), default="")
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())