'use strict';
require('dotenv').config();
const { ROOT_PATH, LIB_PATH, API_CONFIG } = process.env;
process.env.TZ='utc';

const apiConfig = require( `${ROOT_PATH}/${API_CONFIG}` );
const apps = require('./apps');

const express = require('express');
const cors = require('cors');
const compression = require('compression');
const morgan = require('morgan');
const helmet = require('helmet');
const bodyParser = require('body-parser');
const fileUpload = require('express-fileupload');
const middlewares = require( './lib//Middlewares.js' );

const mongoose = require('mongoose');
mongoose.connect(
    apiConfig.mongodb,
    { useNewUrlParser: true }
).then( ( val ) => {
    console.log( `MongoDB Connected : ${ apiConfig.mongodb }` );
});//catch throw error so service stops!

const app = express();
const serverPort = process.env.SERVER_PORT || 3000;

app.use( middlewares.Auth );
app.use(
    fileUpload({
        limits: { fileSize: 4 * 1024 * 1024 },
        abortOnLimit: true,        
        limitHandler: (req,res,next) => {
            req.limitSize = true;
        },
    })
);
app.use((req, res, next) => {
    if (req.limitSize) {
        res.status(413).send({message:"File size limit has been reached",status:"PAYLOAD_TOO_LARGE"});
    }else{
        next()
    }
   
});
app.use(bodyParser.urlencoded({ extended: true, limit: '50mb' }));
app.use(bodyParser.json({ limit: '50mb' }));
app.use(morgan('dev'));
app.use(helmet({
    crossOriginResourcePolicy: false
}));
app.use(compression());
app.use(cors({
    origin: '*',
    methods: [
        'GET',
        'POST',
        'PATCH',
        'PUT',
        'DELETE'
    ],
    allowedHeaders: ['Content-Type', 'Authorization']
}));
app.use( middlewares.errorJSON );
app.use( apps );
app.use( middlewares.error404 );

app.listen( serverPort , function(err){
    if( !err ){
        console.log('API listen on port', serverPort );
    }else{
        console.log( err );
    }
});