const express = require('express');
const bodyparser = require('body-parser');
const fs = require('fs');
const app = express();
const cors = require('cors');
const dotenv = require('dotenv');
dotenv.config({path: __dirname + '/.env'});
const port = process.env.PORT || 9000;

const Controllers = require('./controllers/controller.js');
const controllers = new Controllers();
var apireshandler = controllers.getApiResultDefined();

app.use(bodyparser.urlencoded({ extended: false })); //for x-www-urlencoded <form>

app.use(express.urlencoded({ limit: '100mb', extended: true, parameterLimit: 50000 })); //===>for application json
// app.use(bodyparser.json('application/json'));
app.use(bodyparser.json({ limit: '100mb' }));

app.use(cors());
// app.use((req, res, next) => {
//     // res.setHeader('Access-Allow-Control-Origin','https://cdpn.io'); hiii
//     res.setHeader('Access-Control-Allow-Origin', '*'); //== Allow all request client
//     res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, PATCH, DELETE');
//     res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization');
//     // res.setHeader('Access-Control-Allow-Credentials', true);
//     next();
// });

app.set('trust proxy', false);
process.env.NODE_TLS_REJECT_UNAUTHORIZED = "0";


// === DYNAMICALLY INCLUDE ROUTES ( CONTROLLER )
fs.readdirSync('./routes').forEach(function (file) {
    var rf = false;
    if (file.substr(-3) == '.js') {
        var fl = (file.substr(0, file.length - 3));
        var router = require('./routes/' + fl);
        // console.log('./routes/' + fl);
        app.use('/' + fl, router);
        rf = true;
    }
    if (!rf) { res.send("File not found."); }
});
//app.use('/users', userRoutes);    

app.use(function (error, req, res, next) {
    //console.log(error.statusCode);
    // res.status(401).send('401: '+error);   
    // if(error.statusCode==401){
    // }
    // console.log(error);
    res.append("responseData","{statusCode : "+error.statusCode+",message : "+error.message+"}");
    apireshandler.meta.code = error.statusCode;
    apireshandler.meta.message = error.message;

    res.status(error.statusCode).json(apireshandler); 
    //next(); 
    
});

// // // Handle 404
// app.use(function (req, res) {
//     res.status(404).send('404: Route not Found, please contact your administrator');
// });

// // // Handle 500
// app.use(function (error, req, res, next) {
//     console.log(error);    
//     res.status(200).send('500: Internal Server Error, err : '+error);
// });

// // Handle 502
// app.use(function (error, req, res, next) {
//     res.status(502).send('502: Bad gateway');
// });

app.listen(port,function(){
    console.log("Starting "+process.env.APPNAME+" running on 8080");
});