from sqlalchemy import Column, String, Boolean, DateTime, Text, Enum
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.sql import func
import uuid
import enum

from app.core.database import Base


class CameraStatus(str, enum.Enum):
    active = "active"
    inactive = "inactive"
    error = "error"


class Camera(Base):
    __tablename__ = "cameras"

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    name = Column(String(255), nullable=False, unique=True)           # e.g. "Gate 1 - Main Entrance"
    rtsp_url = Column(Text, nullable=False)                           # rtsp://admin:pass@192.168.1.64:554/...
    location = Column(String(255), nullable=True)                     # e.g. "North Gate, Building A"
    description = Column(Text, nullable=True)
    status = Column(Enum(CameraStatus), default=CameraStatus.inactive)
    is_enabled = Column(Boolean, default=True)
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), onupdate=func.now())

    def __repr__(self):
        return f"<Camera {self.name} ({self.status})>"