"""PSA activity log — tracks time entries, note posts, and status updates pushed to PSA."""
import uuid
from datetime import datetime, timezone
from typing import Optional

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

from app.core.database import Base


class PsaActivityLog(Base):
    __tablename__ = "psa_activity_logs"

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    account_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True), ForeignKey("accounts.id", ondelete="CASCADE"), nullable=False, index=True
    )
    session_id: Mapped[Optional[uuid.UUID]] = mapped_column(
        UUID(as_uuid=True), ForeignKey("ai_sessions.id", ondelete="SET NULL"), nullable=True
    )
    activity_type: Mapped[str] = mapped_column(String(50), nullable=False)
    hours_logged: Mapped[Optional[float]] = mapped_column(Float, nullable=True)
    psa_ticket_id: Mapped[Optional[str]] = mapped_column(String(100), nullable=True)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), default=lambda: datetime.now(timezone.utc)
    )