import uuid
from datetime import datetime, date

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

from app.database import Base


class Subscription(Base):
    __tablename__ = "subscriptions"

    id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        primary_key=True,
        default=uuid.uuid4,
    )
    user_id: Mapped[str] = mapped_column(
        String(36),
        ForeignKey("users.id", ondelete="CASCADE"),
        nullable=False,
    )
    plan: Mapped[str] = mapped_column(String(20), nullable=False)
    status: Mapped[str] = mapped_column(String(20), default="active")
    start_date: Mapped[date] = mapped_column(nullable=False)
    end_date: Mapped[date] = mapped_column(nullable=False)
    amount: Mapped[float | None] = mapped_column(Numeric(10, 2), nullable=True)
    payment_method: Mapped[str | None] = mapped_column(String(50), nullable=True)
    payment_id: Mapped[str | None] = mapped_column(String(255), nullable=True)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        nullable=False,
    )

    user: Mapped["User"] = relationship("User", back_populates="subscriptions")