import express from 'express'
import cors from 'cors'
import bodyParser from 'body-parser'
import amqp from 'amqplib'
// import nodemailer from 'nodemailer'
import SibApiV3Sdk from 'sib-api-v3-sdk'
import dotenv from 'dotenv'
dotenv.config()

const app = express()
const queuePaylater = process.env.QUEUE_PAYLATER
const queueNota = process.env.QUEUE_NOTA
const senderEmail = process.env.SENDER_EMAIL
var defaultClient = SibApiV3Sdk.ApiClient.instance
var apiKey = defaultClient.authentications['api-key']
apiKey.apiKey = process.env.SENDING_BLUE_API_KEY
var apiInstance = new SibApiV3Sdk.TransactionalEmailsApi()
var sendSmtpEmail = new SibApiV3Sdk.SendSmtpEmail()

app.use(cors())
app.use(bodyParser.json())

app.get('/', (_req, res) => {
    res.status.send(200).send("Amigo Receipt Sender Service Homepage!")
})

amqp.connect(process.env.AMQP_SERVER).then(async conn=> {
    const ch = await conn.createChannel()
    const queuePaylaterExist = ch.assertQueue(queuePaylater, { durable : true });
    const queueNotaExist = ch.assertQueue(queueNota, { durable: true })
    if (queueNotaExist) {
      queueNotaExist.then(() => {
        return ch.consume(queueNota, async (msg) => {
          var messageBody = JSON.parse(msg.content.toString())
          console.log(`[*] Message Received! email : ${messageBody.email} and pesan : ${messageBody.html}`)
          sendReceipt(messageBody.email, messageBody.html)
        }, { noAck: true })
      }).then(() => {
        console.log('* Waiting for messages from queue ' + queueNota)
      })
    }
}).catch(console.warn)

function sendReceipt(recepientEmail, receipt) {
    var date = new Date()
    sendSmtpEmail = {
        sender: {email: senderEmail, name: process.env.SENDER_NAME},
        to: [{email: recepientEmail, name: 'Customer'}],
        subject: "test",
        textContent: "testing",
        htmlContent: receipt
    }
    apiInstance.sendTransacEmail(sendSmtpEmail).then(function(data) {
        console.log('API called successfully. Returned data: ' + data)
        console.log(date.toLocaleString())
    }, function(error) {
        console.error(error)
    })
}