from sqlalchemy import Column, Integer, ForeignKey, DateTime, Boolean
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func

from app.domain.models.base import BaseModel


class ScheduledAppointment(BaseModel):
    __tablename__ = 'scheduled_appointments'

    scheduled_datetime = Column(DateTime, nullable=False, server_default=func.now())
    is_canceled = Column(Boolean, nullable=False, default=False, server_default='false')

    patient_id = Column(Integer, ForeignKey('patients.id'), nullable=False)
    doctor_id = Column(Integer, ForeignKey('users.id'), nullable=False)
    type_id = Column(Integer, ForeignKey('appointment_types.id'), nullable=False)

    patient = relationship('Patient', back_populates='scheduled_appointments')
    doctor = relationship('User', back_populates='scheduled_appointments')
    type = relationship('AppointmentType', back_populates='scheduled_appointments')