const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const options = {
      module: {
        rules: [
          {
            test: /\.(sa|sc|c)ss$/i,
            use: [
              {
                loader: MiniCssExtractPlugin.loader,
                options: {
                  publicPath: '../'
                }
              },
              'css-loader',
              'postcss-loader',
              'sass-loader'
            ]
          }
        ]
      },
      plugins: [].concat([new MiniCssExtractPlugin({
        filename: '[name].css',
        chunkFilename: '[id].css'
      })])
}

  // Docs on event and context https://www.netlify.com/docs/functions/#the-handler-method
const nodemailer = require("nodemailer");

function createMailClient() {
  return nodemailer.createTransport({
    host: "smtp.gmail.com",
    port: 587,
    secure: false, // true for 465, false for other ports
    auth: {
      type: 'OAuth2',
      user: process.env.GMAIL_EMAIL_ADDRESS,
      clientId: process.env.GMAIL_API_CLIENT_ID,
      clientSecret: process.env.GMAIL_API_CLIENT_SECRET,
      refreshToken: process.env.GMAIL_API_REFRESH_TOKEN,
    }
  });
}


const mailClient = createMailClient();

exports.handler = async (event, context) => {
  try {
    const json = JSON.parse(event.body);
    const gmailResponse = await mailClient.sendMail({
      from: '"Benedict Arnold" <[email protected]>', // sender address
      to: "Sir Henry Clinton <[email protected]>", // list of receivers
      subject: json.subject,
      text: json.text, // plain text body
      html: json.html
    });

    return {
      statusCode: 200,
      body: "Message sent!" + gmailResponse.messageId
    }
  } catch (err) {
    return { statusCode: 500, body: err.toString() }
  }
}