"""
Linux BenchTools - Device Model
"""

from sqlalchemy import Column, Integer, String, DateTime, Text, Float
from sqlalchemy.orm import relationship
from datetime import datetime
from app.db.base import Base


class Device(Base):
    """
    Represents a machine (physical or virtual)
    """
    __tablename__ = "devices"

    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
    hostname = Column(String(255), nullable=False, index=True)
    fqdn = Column(String(255), nullable=True)
    description = Column(Text, nullable=True)
    asset_tag = Column(String(100), nullable=True)
    location = Column(String(255), nullable=True)
    owner = Column(String(100), nullable=True)
    tags = Column(Text, nullable=True)  # JSON or comma-separated
    purchase_store = Column(String(255), nullable=True)
    purchase_date = Column(String(50), nullable=True)
    purchase_price = Column(Float, nullable=True)
    created_at = Column(DateTime, nullable=False, default=datetime.utcnow)
    updated_at = Column(DateTime, nullable=False, default=datetime.utcnow, onupdate=datetime.utcnow)

    # Relationships
    hardware_snapshots = relationship("HardwareSnapshot", back_populates="device", cascade="all, delete-orphan")
    benchmarks = relationship("Benchmark", back_populates="device", cascade="all, delete-orphan")
    manufacturer_links = relationship("ManufacturerLink", back_populates="device", cascade="all, delete-orphan")
    documents = relationship("Document", back_populates="device", cascade="all, delete-orphan")

    def __repr__(self):
        return f"<Device(id={self.id}, hostname='{self.hostname}')>"
