from datetime import datetime

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

from core_db import AuditMixin, Base, TenantMixin, VersionMixin


class AppVersion(TenantMixin, AuditMixin, VersionMixin, Base):
    __tablename__ = "app_version"

    app_id: Mapped[str] = mapped_column(String(36), index=True)
    version_no: Mapped[int] = mapped_column(Integer)
    status: Mapped[str] = mapped_column(String(32), default="draft")
    workflow_version_id: Mapped[str] = mapped_column(String(36))
    published_time: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
    published_by: Mapped[str | None] = mapped_column(String(36), nullable=True)
    changelog: Mapped[str | None] = mapped_column(Text, nullable=True)