import { Request, Response } from "express";
import paymentMethod from "../../models/paymentMethod";
import { isValidObjectId } from "mongoose";

const updatePaymentMethod = async (req: Request, res: Response) => {
  const { id } = req.params;
  const { holderName, cardNumber, expiryMonth, expiryYear, cvv, postalCode } =
    req.body;

  if (!isValidObjectId(id)) {
    return res.status(400).json({
      message: "Payment Method ID is not valid",
    });
  }

  if (holderName && (holderName === "" || typeof holderName !== "string")) {
    return res.status(400).json({
      message: "holderName is not valid or missing",
    });
  }

  if (
    cardNumber &&
    (cardNumber === "" ||
      typeof cardNumber !== "string" ||
      cardNumber.length !== 16)
  ) {
    return res.status(400).json({
      message: "cardNumber is not valid or missing",
    });
  }

  if (
    expiryMonth &&
    (expiryMonth === "" ||
      typeof expiryMonth !== "string" ||
      expiryMonth.length !== 2)
  ) {
    return res.status(400).json({
      message: "expiryMonth is not valid or missing",
    });
  }

  if (
    expiryYear &&
    (expiryYear === "" ||
      typeof expiryYear !== "string" ||
      expiryYear.length !== 4)
  ) {
    return res.status(400).json({
      message: "expiry year is not valid or missing",
    });
  }

  try {
    if (
      parseInt(expiryYear) < new Date().getFullYear() ||
      parseInt(expiryYear) > new Date().getFullYear() + 25
    ) {
      return res.status(400).json({
        message: "expiry year is not valid or missing",
      });
    }
  } catch (err) {
    console.log(err);
    return res.status(500).json({ message: err });
  }

  if (cvv && (cvv === "" || typeof cvv !== "string" || cvv.length !== 3)) {
    return res.status(400).json({
      message: "cvv is not valid or missing",
    });
  }

  if (postalCode && (postalCode === "" || typeof postalCode !== "string")) {
    return res.status(400).json({
      message: "postalCode is not valid or missing",
    });
  }

  try {
    const paymentMethodObject = await paymentMethod.findOneAndUpdate(
      { _id: id },
      {
        holderName,
        cardNumber,
        expiryMonth,
        expiryYear,
        cvv,
        postalCode,
      },
      { new: true }
    );
    return res.status(201).json(paymentMethodObject);
  } catch (err) {
    return res.status(500).json({ message: err });
  }
};

export { updatePaymentMethod };