from __future__ import annotations

from datetime import datetime

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

from app.core.db.common import CommonBase


class AuditLog(CommonBase):
    __tablename__ = "audit_logs"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    created_at_utc: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, index=True)

    actor_user_id: Mapped[int | None] = mapped_column(ForeignKey("users.id", ondelete="SET NULL"), index=True, nullable=True)
    actor_email: Mapped[str | None] = mapped_column(String(255), nullable=True)
    actor_tenant_id: Mapped[int | None] = mapped_column(Integer, nullable=True, index=True)
    actor_branch_id: Mapped[int | None] = mapped_column(Integer, nullable=True, index=True)

    action: Mapped[str] = mapped_column(String(120), index=True)
    entity_type: Mapped[str] = mapped_column(String(120), index=True)
    entity_id: Mapped[str | None] = mapped_column(String(120), nullable=True)
    entity_name: Mapped[str | None] = mapped_column(String(255), nullable=True)
    status: Mapped[str] = mapped_column(String(30), default="success", index=True)

    target_tenant_id: Mapped[int | None] = mapped_column(Integer, nullable=True, index=True)
    target_branch_id: Mapped[int | None] = mapped_column(Integer, nullable=True, index=True)

    ip_address: Mapped[str | None] = mapped_column(String(100), nullable=True)
    user_agent: Mapped[str | None] = mapped_column(String(500), nullable=True)
    details_json: Mapped[str] = mapped_column(Text, default="{}")