from datetime import datetime
from typing import Any, Optional

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

from app.core.database import Base


class Interaction(Base):
    __tablename__ = "interactions"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    event: Mapped[str] = mapped_column(String(64), nullable=False, index=True)
    product_id: Mapped[Optional[str]] = mapped_column(String(64), nullable=True, index=True)
    character_id: Mapped[Optional[str]] = mapped_column(String(64), nullable=True)
    conversation_id: Mapped[Optional[str]] = mapped_column(String(64), nullable=True, index=True)
    device_id: Mapped[Optional[str]] = mapped_column(String(128), nullable=True)
    event_metadata: Mapped[dict[str, Any]] = mapped_column("metadata", JSON, default=dict)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now()
    )