from sqlalchemy import (
    Column,
    String,
    Integer,
    ForeignKey
)
from sqlalchemy.orm import relationship

from models.common.base import BaseModel


class vcenter(BaseModel):
    """
    description: VMware vcenter model
    """
    __tablename__ = "tvc_vcenters"
    _s_collection_name = "vcenters"

    exclude_rels = ["rvm_vcenter"]

    id = Column(Integer, primary_key=True, autoincrement=True, index=True)
    hostname = Column(String(64), unique=True, index=True, nullable=False)
    contour_id = Column(Integer, ForeignKey("tcc_contours.id"))

    cluster = relationship(
        "cluster",
        back_populates="vcenter",
        cascade="save-update, delete"
    )
    contour = relationship("contour", back_populates="vcenter")

    vcenter = relationship(
        "maintenance",
        backref="vcenter",
        cascade="save-update, delete"
    )