from sqlalchemy import Column, Integer, String, DateTime, Index, Float, Boolean, Text, ForeignKey, Enum as SQLEnum
from sqlalchemy.sql import func
from sqlalchemy.orm import relationship
from database import Base

import enum


class Coments(Base): 
    __tablename__= "coments"

    id = Column(Integer, primary_key=True, nullable=False)
    texto = Column(Text, nullable=False)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=True)
    feed_id= Column( Integer, ForeignKey("feed.id"), nullable=True)

    is_active = Column(Boolean, nullable=False, default=True)

    created_at = Column( DateTime(timezone=True), server_default=func.now(), nullable=False)
    deactivate_at = Column(DateTime(timezone=True), onupdate=func.now(), nullable=True)

    created_by = Column(Integer, ForeignKey("users.id"), nullable=False)
    deactivated_by = Column(Integer, ForeignKey("users.id"), nullable=True)

    #index
    __table_args__ = (
        Index('idx_coments_feed', 'feed_id'),
        Index('idx_coments_user', 'user_id'),
        Index('idx_coments_created', 'created_at'),
        Index('idx_coments_active', 'is_active')
    )

    #Relaciones
    user = relationship("Users", foreign_keys=[user_id], back_populates="coments")
    feed = relationship("Feed", foreign_keys=[feed_id])
    creator = relationship("Users", foreign_keys=[created_by])