from datetime import datetime

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

from app.db.database import Base


class AuditLog(Base):
    __tablename__ = "audit_logs"

    id: Mapped[int] = mapped_column(primary_key=True)
    actor_user_id: Mapped[int | None] = mapped_column(
        ForeignKey("users.id", ondelete="SET NULL"),
        nullable=True,
        index=True,
    )
    actor_username: Mapped[str] = mapped_column(String(120), default="", server_default="")
    action: Mapped[str] = mapped_column(String(120), index=True)
    entity_type: Mapped[str] = mapped_column(String(80), index=True)
    entity_id: Mapped[int | None] = mapped_column(Integer, nullable=True, index=True)
    entity_label: Mapped[str] = mapped_column(String(255), default="", server_default="")
    ip_address: Mapped[str] = mapped_column(String(80), default="", server_default="")
    user_agent: Mapped[str] = mapped_column(Text, default="", server_default="")
    before_data: Mapped[dict | list | None] = mapped_column(JSON, nullable=True)
    after_data: Mapped[dict | list | None] = mapped_column(JSON, nullable=True)
    metadata_data: Mapped[dict | list | None] = mapped_column("metadata", JSON, nullable=True)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())