import uuid
from datetime import date, datetime, timezone

from sqlalchemy import Date, DateTime, ForeignKey, Integer, Numeric, Text, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.db.base import Base


class BedPlanting(Base):
    __tablename__ = "bed_plantings"

    id: Mapped[uuid.UUID] = mapped_column(
        primary_key=True, default=uuid.uuid4, index=True
    )
    bed_id: Mapped[uuid.UUID] = mapped_column(
        ForeignKey("beds.id", ondelete="CASCADE"),
        nullable=False,
        index=True,
    )
    plant_id: Mapped[uuid.UUID] = mapped_column(
        ForeignKey("plants.id", ondelete="RESTRICT"),
        nullable=False,
        index=True,
    )
    area_m2: Mapped[float | None] = mapped_column(Numeric(5, 2), nullable=True)
    count: Mapped[int | None] = mapped_column(Integer, nullable=True)
    planted_date: Mapped[date | None] = mapped_column(Date, nullable=True)
    removed_date: Mapped[date | None] = mapped_column(Date, nullable=True)
    notes: Mapped[str | None] = mapped_column(Text, nullable=True)

    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        nullable=False,
    )

    # Relationships
    bed: Mapped["Bed"] = relationship("Bed", back_populates="plantings")  # noqa: F821
    plant: Mapped["Plant"] = relationship("Plant", back_populates="plantings")  # noqa: F821