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from core.database import Base
from sqlalchemy import Column, String, Integer, Text, DateTime, Numeric
from sqlalchemy.orm import relationship
from datetime import datetime as dt
from sqlalchemy_utils import ChoiceType
from enum import Enum

from core.database import Base

class CycleStatus(Enum):
    draft = "draft"
    published = "published"
    closed = "closed"
    delivered = "delivered"

class Cycle(Base):
    __tablename__ = "cycles"

    id = Column(Integer, primary_key=True)
    name = Column(String(255), nullable=False)
    description = Column(Text)

    start_at = Column(DateTime, nullable=False)
    end_at = Column(DateTime, nullable=False)

    delivery_start_at = Column(DateTime, nullable=False)
    delivery_end_at = Column(DateTime, nullable=False)

    status = Column(ChoiceType(CycleStatus, impl=String(150)), server_default='draft')

    price_margin = Column(Numeric(10, 2), nullable=False, default=0.0)

    created_at = Column(DateTime, nullable=False)
    updated_at = Column(DateTime, nullable=False)

    orders = relationship("Order", backref="cycle", lazy=True)

    def __init__(self, name, description, start_at, end_at, delivery_start_at, delivery_end_at, status, price_margin):
        self.name = name
        self.description = description
        self.start_at = start_at
        self.end_at = end_at
        self.delivery_start_at = delivery_start_at
        self.delivery_end_at = delivery_end_at
        self.status = status
        self.price_margin = price_margin

    def close(self):
        self.status = CycleStatus.closed.value

    def to_json(self):
        return {
            "name": self.name,
            "description": self.description,
            "start_at": self.start_at.__str__(),
            "end_at": self.end_at.__str__(),
        }