import uuid
import enum
from datetime import datetime
from typing import TYPE_CHECKING

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

from app.core.database import Base

if TYPE_CHECKING:
    from app.models.company import Company


class KioskAuthMethod(str, enum.Enum):
    PIN = "pin"
    NFC = "nfc"
    QR = "qr"
    LIST = "list"  # Mitarbeiter-Liste


class KioskDevice(Base):
    __tablename__ = "kiosk_devices"

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    company_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True), ForeignKey("companies.id", ondelete="CASCADE"),
        nullable=False, index=True
    )
    name: Mapped[str] = mapped_column(String(255), nullable=False)
    location: Mapped[str | None] = mapped_column(String(255))
    token_hash: Mapped[str] = mapped_column(String(64), unique=True, nullable=False)
    is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
    last_seen_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

    company: Mapped["Company"] = relationship("Company", lazy="noload")

    def __repr__(self) -> str:
        return f"<KioskDevice {self.name} ({self.company_id})>"