from datetime import datetime, timezone
from sqlalchemy import BigInteger, Column, DateTime, Index, String, Text
from database.postgres import Base


def _now():
    return datetime.now(timezone.utc)


class MfgAuditLog(Base):
    __tablename__ = "mfg_audit_log"
    __table_args__ = (
        Index("idx_mfg_audit_time", "timestamp"),
        Index("idx_mfg_audit_action", "action"),
    )

    id            = Column(BigInteger, primary_key=True, autoincrement=True)
    timestamp     = Column(DateTime(timezone=True), nullable=False, default=_now)
    admin_user    = Column(String(256), nullable=False)
    action        = Column(String(128), nullable=False)
    serial_number = Column(String(128))
    detail        = Column(Text)