from datetime import datetime

from core_db import AuditMixin, Base, EntityMixin
from sqlalchemy import DateTime, String
from sqlalchemy.orm import Mapped, mapped_column


class Session(EntityMixin, AuditMixin, Base):
    __tablename__ = "session"

    app_id: Mapped[str] = mapped_column(String(36), index=True)
    user_id: Mapped[str] = mapped_column(String(36), index=True)
    channel_type: Mapped[str] = mapped_column(String(32))
    session_status: Mapped[str] = mapped_column(String(32), default="active")
    title: Mapped[str | None] = mapped_column(String(256), nullable=True)
    runtime_target_type: Mapped[str | None] = mapped_column(String(32), nullable=True)
    runtime_target_id: Mapped[str | None] = mapped_column(String(36), nullable=True)
    runtime_target_config_id: Mapped[str | None] = mapped_column(String(36), nullable=True)
    started_time: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
    last_active_time: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
    closed_time: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)