ciclos

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from . import db
from datetime import datetime as dt
import sqlalchemy as sa
import sqlalchemy_utils as sau
from enum import Enum

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

class Cycle(db.Model):
    __tablename__ = "cycles"

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

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

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

    status = db.Column(sau.ChoiceType(CycleStatus, impl = sa.String()), server_default = 'draft')

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

    created_at = db.Column(db.DateTime, default = dt.utcnow)
    updated_at = db.Column(db.DateTime, default = dt.utcnow)

    orders = db.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 create(self):
        db.session.add(self)
        db.session.commit()

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

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