from __future__ import annotations

import uuid
from datetime import datetime

from sqlalchemy import DateTime, ForeignKey, String
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.db.base_class import Base


class EmployeeChangeLog(Base):
    __tablename__ = "employee_change_logs"

    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
    employee_id: Mapped[str] = mapped_column(ForeignKey("employees.id"), index=True)
    action: Mapped[str] = mapped_column(String(255))
    owner: Mapped[str] = mapped_column(String(100))
    occurred_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), index=True)

    employee = relationship("Employee", back_populates="change_logs")