#!/usr/bin/env node
const express = require("express");
const config = require("./config.js");

// app
const app = express();

// This middleware will parse JSON in the request body
app.use( express.json() );

// set the headers
app.use((req, res, next) => {
    res.setHeader('Access-Control-Allow-Origin', '*');
    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE');
    res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization');
    next();
  });

// end point for post form
app.post( "/api/contact-details", (req, res) => {
    const form = req.body; 
    return triggerEmail( form, res );
});

// populate params and trigger enail
function triggerEmail( form , res){
    try {
        // initialize param for template
        const params = config.PARAMS( form );
        // trigger email  
        config.AWS_SES.sendEmail( params, ( err, data ) => {
            if ( err ) {
                console.log(err, err.stack);
            } else {
                console.log('Email sent successfully:', data);
            }
        });
        // Send an HTTP 200 response with the 'OK' message
        res.status(200).send( 'Email Sent' ); 
    } 
    catch(  exception ){
        // Send an HTTP 500 response with the 'Email Trigger Failed' message
        res.status(500).send( 'Email Trigger Failed' ); 
    }
}

// port #
const PORT = 3005;
// server listen
app.listen(PORT, (error) => {
    console.log(`Server is listening on port ${PORT}`);
});