from datetime import datetime, timezone
from app.extensions import db
from app.models import Customer

class Transaction(db.Model):
    __tablename__ = 'transactions'

    id = db.Column(db.String(50), primary_key=True)
    customer_id = db.Column(db.String(50), nullable=False)
    type = db.Column(db.String(50), nullable=False)
    channel = db.Column(db.String(50), nullable=False)
    created_at = db.Column(db.DateTime, default=datetime.now(timezone.utc))
    updated_at = db.Column(db.DateTime, default=datetime.now(timezone.utc), onupdate=datetime.now(timezone.utc))

    def __repr__(self):
        return f'<Transaction {self.id}>'

    @classmethod
    def create_transaction(cls, id, account_id, customer_id, type, channel, msisdn, country_code,):
        transaction = cls(
            id=id,
            customer_id=customer_id,
            type=type,
            channel=channel

        )

        customer = Customer.create_customer(
            id=customer_id,
            msisdn= msisdn,
            country_code= country_code,
            account_id= account_id,
        )

        db.session.add(transaction)
        db.session.commit()
        return transaction

    @classmethod
    def get_transaction_by_id(cls, transaction_id):
        return cls.query.get(transaction_id)