from flask_bcrypt import generate_password_hash, check_password_hash
from flask import current_app
from pymongo import MongoClient

class UserModel:
    def __init__(self):
        client = current_app.mongo_client
        self.collection = client["billing-api"]["users"]

    def create_user(self, email, password):
        hashed = generate_password_hash(password).decode('utf-8')
        user = {"email": email, "password": hashed}
        return self.collection.insert_one(user)

    def find_by_email(self, email):
        return self.collection.find_one({"email": email})

    def verify_password(self, hashed_password, plain_password):
        return check_password_hash(hashed_password, plain_password)