from enum import Enum as PyEnum

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

from app.domain.models import Base


class AppealStatusEnum(PyEnum):
    NEW = 'новое'
    IN_PROGRESS = 'в работе'
    WAITING_FOR_USER_RESPONSE = 'ожидание ответа пользователя'
    WAITING_FOR_SPECIALIST_RESPONSE = 'ожидание ответа специалиста'
    RESOLVED = 'решено'
    CLOSED = 'закрыто'
    REJECTED = 'отклонено'


class Appeal(Base):
    __tablename__ = 'appeals'

    id = Column(Integer, primary_key=True, autoincrement=True)
    message = Column(String, nullable=False)
    created_date = Column(DateTime, nullable=False, default=func.utcnow)
    status = Column(Enum(AppealStatusEnum), nullable=False, default=AppealStatusEnum.NEW)

    topic_id = Column(Integer, ForeignKey('appeals_topics.id'), nullable=False)
    user_id = Column(Integer, ForeignKey('users.id'), nullable=False)

    topic = relationship('AppealsTopic', back_populates='appeals')
    user = relationship('User', back_populates='appeals')