utils.js

import jwt from 'jsonwebtoken';
import mg from 'mailgun-js';
import nodemailer from 'nodemailer';

export const errorHandler = (status, message) => {
  const err = new Error();
  err.status = status;
  err.message = message;
  return err;
};

export const baseUrl = () =>
  process.env.BASE_URL
    ? process.env.BASE_URL
    : process.env.NODE_ENV !== 'production'
    ? 'http://localhost:3000'
    : 'http://aeb9f366db7a84363bae4aba67112d0b-1133126064.us-east-2.elb.amazonaws.com';


export const generateToken = (user) => {
  return jwt.sign(
    {
      _id: user._id,
      name: user.name,
      email: user.email,
      isAdmin: user.isAdmin,
      username: user.username,
      birthday: user.birthday,
    },
    process.env.JWT_SECRET,
    {
      expiresIn: '30d',
    }
  );
};

export const isAuth = (req, res, next) => {
  const authorization = req.headers.authorization;
  if (authorization) {
    const token = authorization.slice(7, authorization.length); // Bearer XXXXXX
    jwt.verify(token, process.env.JWT_SECRET, (err, decode) => {
      if (err) {
        res.status(401).send({ message: 'Invalid Token' });
      } else {
        req.user = decode;
        next();
      }
    });
  } else {
    res.status(401).send({ message: 'No Token' });
  }
};

export const isAdmin = (req, res, next) => {
  if (req.user && req.user.isAdmin) {
    next();
  } else {
    res.status(401).send({ message: 'Invalid Admin Token' });
  }
};

export const mailgun = () =>
  mg({
    apiKey: process.env.MAILGUN_API_KEY,
    domain: process.env.MAILGUN_DOMIAN,
  });

export const sendEmail = async (email, subject, url) => {
  try {
    const transporter = nodemailer.createTransport({
      service: 'gmail',
      port: 465,
      secure: true,
      secureConnection: false,
      auth: {
        user: 'engineerfranklyn@gmail.com',
        pass: process.env.PASS,
      },
      tls: {
        rejectUnauthorized: true,
      },
    });

    await transporter.sendMail({
      from: process.env.USER,
      to: email,
      subject: subject,
      html: ` 
             <p>Please Click the following link to reset your password:</p> 
             <p>${url}</p>
             `,
    });
    //  res.send({ message: "We sent reset password link to your email." });


  } catch (error) {
    console.log('Email not sent');
    console.log(error);
  }
};

export const payOrderEmailTemplate = (order) => {
  return `<h1>Thanks for shopping with us</h1>
  <p>
  Hi ${order.user.name},</p>
  <p>We have finished processing your order.</p>
  <h2>[Order ${order._id}] (${order.createdAt.toString().substring(0, 10)})</h2>
  <table>
  <thead>
  <tr>
  <td><strong>Product</strong></td>
  <td><strong>Quantity</strong></td>
  <td><strong align="right">Price</strong></td>
  </thead>
  <tbody>
  ${order.orderItems
    .map(
      (item) => `
    <tr>
    <td>${item.name}</td>
    <td align="center">${item.quantity}</td>
    <td align="right"> $${item.price.toFixed(2)}</td>
    </tr>
  `
    )
    .join('\n')}
  </tbody>
  <tfoot>
  <tr>
  <td colspan="2">Items Price:</td>
  <td align="right"> $${order.itemsPrice.toFixed(2)}</td>
  </tr>
  <tr>
  <td colspan="2">Shipping Price:</td>
  <td align="right"> $${order.shippingPrice.toFixed(2)}</td>
  </tr>
  <tr>
  <td colspan="2"><strong>Total Price:</strong></td>
  <td align="right"><strong> $${order.totalPrice.toFixed(2)}</strong></td>
  </tr>
  <tr>
  <td colspan="2">Payment Method:</td>
  <td align="right">${order.paymentMethod}</td>
  </tr>
  </table>

  <h2>Shipping address</h2>
  <p>
  ${order.shippingAddress.fullName},<br/>
  ${order.shippingAddress.address},<br/>
  ${order.shippingAddress.city},<br/>
  ${order.shippingAddress.country},<br/>
  ${order.shippingAddress.postalCode}<br/>
  </p>
  <hr/>
  <p>
  Thanks for shopping with us.
  </p>
  `;
};