"""PSA connection model — one per account."""
import uuid
from datetime import datetime, timezone
from typing import Optional

from sqlalchemy import String, DateTime, Boolean, Text, ForeignKey
from sqlalchemy.orm import Mapped, mapped_column, relationship
from sqlalchemy.dialects.postgresql import UUID

from app.core.database import Base


class PsaConnection(Base):
    __tablename__ = "psa_connections"

    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,
        unique=True,
        index=True,
    )
    provider: Mapped[str] = mapped_column(String(50), nullable=False)
    display_name: Mapped[str] = mapped_column(String(100), nullable=False)
    site_url: Mapped[str] = mapped_column(String(255), nullable=False)
    company_id: Mapped[str] = mapped_column(String(100), nullable=False)
    credentials_encrypted: Mapped[str] = mapped_column(Text, nullable=False)
    is_active: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True)
    last_validated_at: Mapped[Optional[datetime]] = mapped_column(
        DateTime(timezone=True), nullable=True
    )
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        nullable=False,
        default=lambda: datetime.now(timezone.utc),
    )
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        nullable=False,
        default=lambda: datetime.now(timezone.utc),
        onupdate=lambda: datetime.now(timezone.utc),
    )

    # Relationships
    account = relationship("Account", back_populates="psa_connection")