from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, JSON
from sqlalchemy.orm import relationship
from datetime import datetime, timezone

from app.core.database import Base


class Host(Base):
    __tablename__ = "hosts"

    id = Column(Integer, primary_key=True, index=True)
    hostname = Column(String, index=True, nullable=False)
    ip_address = Column(String, nullable=True)
    os = Column(String, nullable=True)
    tenant_id = Column(Integer, ForeignKey("tenants.id"), nullable=False)
    host_metadata = Column(JSON, nullable=True)
    created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))
    last_seen = Column(DateTime, default=lambda: datetime.now(timezone.utc))

    # Relationships
    tenant = relationship("Tenant", back_populates="hosts")