from __future__ import annotations

from datetime import datetime

from sqlalchemy import String, DateTime, Integer, Text
from sqlalchemy.orm import Mapped, mapped_column, relationship

from adapters.db.session import Base


class Priority(Base):
    """اولویت تیکت‌های پشتیبانی"""
    __tablename__ = "support_priorities"

    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
    name: Mapped[str] = mapped_column(String(50), nullable=False, index=True)
    description: Mapped[str | None] = mapped_column(Text, nullable=True)
    color: Mapped[str | None] = mapped_column(String(7), nullable=True)  # Hex color code
    order: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, nullable=False)
    updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
    
    # Relationships
    tickets = relationship("Ticket", back_populates="priority")