from datetime import datetime

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

from app.core.constants import ActorValue
from app.core.database import Base
from app.core.time import utc_now
from app.modules.audit.constants import AuditRiskLevel, AuditSource, AuditStatus


class AuditLog(Base):
    __tablename__ = "audit_logs"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    actor: Mapped[str] = mapped_column(String(128), default=ActorValue.SYSTEM, index=True)
    source: Mapped[str] = mapped_column(String(64), default=AuditSource.API, index=True)
    action: Mapped[str] = mapped_column(String(128), index=True)
    target_type: Mapped[str | None] = mapped_column(String(128), nullable=True)
    target_id: Mapped[str | None] = mapped_column(String(128), nullable=True)
    risk_level: Mapped[str] = mapped_column(String(32), default=AuditRiskLevel.LOW, index=True)
    request_payload: Mapped[str | None] = mapped_column(Text, nullable=True)
    response_payload: Mapped[str | None] = mapped_column(Text, nullable=True)
    status: Mapped[str] = mapped_column(String(32), default=AuditStatus.SUCCESS, index=True)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=utc_now, index=True)