from __future__ import annotations

from sqlalchemy import ForeignKey, Index, Integer, UniqueConstraint
from sqlalchemy.orm import Mapped, mapped_column, relationship

from src.db.base import Base


class RfProjectYear(Base):
    __tablename__ = "rf_project_year"
    __table_args__ = (
        UniqueConstraint("project_id", "year", name="uq_v3_rf_project_year"),
        Index("ix_v3_rf_project_year_project", "project_id"),
        {"schema": "v3"},
    )

    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    project_id: Mapped[int] = mapped_column(Integer, ForeignKey("v3.project.id"))
    year: Mapped[int] = mapped_column(Integer)

    project: Mapped["Project"] = relationship("Project")  # type: ignore
    smetas: Mapped[list["Smeta"]] = relationship("Smeta", back_populates="rf_project_year")  # type: ignore