import uuid
from datetime import datetime

from sqlalchemy import DateTime, ForeignKey, String, func
from sqlalchemy.dialects.postgresql import JSONB, UUID
from sqlalchemy.orm import Mapped, mapped_column

from app.core.database import Base


class AuditLog(Base):
    __tablename__ = "audit_logs"

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    company_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("companies.id", ondelete="SET NULL"), index=True)
    user_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="SET NULL"), index=True)
    action: Mapped[str] = mapped_column(String(100), nullable=False)
    entity_type: Mapped[str | None] = mapped_column(String(100))
    entity_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True))
    old_value: Mapped[dict | None] = mapped_column(JSONB)
    new_value: Mapped[dict | None] = mapped_column(JSONB)
    ip: Mapped[str | None] = mapped_column(String(45))
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), index=True)