from datetime import datetime

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

from app.database import Base


class AuditLog(Base):
    __tablename__ = "audit_logs"

    id: Mapped[int] = mapped_column(primary_key=True, index=True)
    user_id: Mapped[int | None] = mapped_column(
        ForeignKey("users.id", ondelete="SET NULL"), nullable=True
    )
    username: Mapped[str | None] = mapped_column(String(100), nullable=True)
    action: Mapped[str] = mapped_column(String(100), index=True)
    resource_type: Mapped[str | None] = mapped_column(String(50), nullable=True)
    resource_id: Mapped[int | None] = mapped_column(Integer, nullable=True)
    details: Mapped[str | None] = mapped_column(Text, nullable=True)
    ip_address: Mapped[str | None] = mapped_column(String(45), nullable=True)
    created_at: Mapped[datetime] = mapped_column(
        DateTime, default=datetime.utcnow, index=True
    )