"""DeviceInterface model -- interface metadata for MAC-to-device resolution."""

import uuid
from datetime import datetime

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

from app.models.base import Base


class DeviceInterface(Base):
    __tablename__ = "device_interfaces"
    __table_args__ = (
        UniqueConstraint("device_id", "name", name="uq_device_interfaces_device_name"),
    )

    id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        primary_key=True,
        default=uuid.uuid4,
        server_default=func.gen_random_uuid(),
    )
    device_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        ForeignKey("devices.id", ondelete="CASCADE"),
        nullable=False,
        index=True,
    )
    tenant_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        ForeignKey("tenants.id", ondelete="CASCADE"),
        nullable=False,
        index=True,
    )
    name: Mapped[str] = mapped_column(String(255), nullable=False)
    mac_address: Mapped[str] = mapped_column(String(17), nullable=False)
    type: Mapped[str] = mapped_column(String(50), nullable=False)
    running: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), nullable=False
    )

    # Relationships
    device: Mapped["Device"] = relationship("Device")  # type: ignore[name-defined]

    def __repr__(self) -> str:
        return f"<DeviceInterface id={self.id} name={self.name!r} mac={self.mac_address!r}>"