import uuid
from datetime import date, datetime
from decimal import Decimal

from sqlalchemy import Date, DateTime, ForeignKey, Numeric
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.db.base import Base


class AssetPrice(Base):
    __tablename__ = "asset_prices"

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    asset_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("assets.id", ondelete="CASCADE"), nullable=False, index=True)
    date: Mapped[date] = mapped_column(Date, nullable=False, index=True)
    open: Mapped[Decimal | None] = mapped_column(Numeric(20, 8), nullable=True)
    high: Mapped[Decimal | None] = mapped_column(Numeric(20, 8), nullable=True)
    low: Mapped[Decimal | None] = mapped_column(Numeric(20, 8), nullable=True)
    close: Mapped[Decimal] = mapped_column(Numeric(20, 8), nullable=False)
    volume: Mapped[Decimal | None] = mapped_column(Numeric(30, 8), nullable=True)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)

    asset: Mapped["Asset"] = relationship(back_populates="prices", lazy="noload")  # type: ignore[name-defined]