var loopback = require('loopback');
var boot = require('loopback-boot');
var cfenv = require('cfenv');
var bodyParser = require("body-parser");
var cookieParser = require('cookie-parser');
require('body-parser-xml')(bodyParser);

var app = module.exports = loopback();

var appEnv = cfenv.getAppEnv();

app.use(bodyParser.json());
app.use(bodyParser.xml({
  limit: '1MB',   // Reject payload bigger than 1 MB
  xmlParseOptions: {
    normalize: true,     // Trim whitespace inside text nodes
    normalizeTags: false, // Transform tags to lowercase
    explicitArray: false // Only put nodes in array if >1
  }
}));

app.use(bodyParser.urlencoded({
"extended" : true
}));



// boot scripts mount components like REST API
boot(app, __dirname);

app.start = function() {
// start the web server
return app.listen(process.env.PORT || 3000, function() {
  console.log("env port"+process.env.PORT);
app.emit('started');
var baseUrl = app.get('url').replace(//$/, '');
console.log('Web server listening at: %s', baseUrl);
if (app.get('loopback-component-explorer')) {
  var explorerPath = app.get('loopback-component-explorer').mountPath;
  console.log('Browse your REST API at %s%s', baseUrl, explorerPath);
}
});
};

// start the server if `$ node server.js`
 if (require.main === module) {
 app.start();
}

module.exports = function(app) {
      var router = app.loopback.Router();
      var User = app.models.pusers;
      var js2xmlparser = require("js2xmlparser");

      app.use(function (req, res, next) {
          res.header("Access-Control-Allow-Origin", "*");
          res.header("Access-Control-Allow-Headers", "X-Requested-With");
          if(req.get("content-type") !== 'undefined'){
              if(req.get("content-type") == 'application/json'){
                  res.setHeader('content-type', req.get("content-type"));
              }else if(req.get("content-type") == 'application/xml'){
              res.setHeader('content-type', req.get("content-type"));
          }
          }
          next();
        });

      app.middleware('initial', function logResponse(req, res, next) {
          res.on('finish', function() {
          });
          req.on('end', function(data) {
              });
          req.on('data', function(data) {
                // the request was handled, print the log entry
                console.log(req.method, req.originalUrl, res.statusCode);
                if(req.get("content-type") == 'application/xml'){
                     console.log("xml data's :"+data);
                }else if(req.get("content-type") == 'application/json'){
                    console.log("json data's :"+data);
                }
              });
          next();
        });

      function responseHandler(req,res,data){
          if(req.get("content-type") == 'application/json'){
              return JSON.stringify(data);
          }else if(req.get("content-type") == 'application/xml'){
              return js2xmlparser("response", JSON.stringify(data));
         }else
             return data;
      }

      router.post('/login', function(req, res){
          var response = {};
          console.log(req.body);
          console.log(req.body.username);
          try{
              User.find({where: {name: req.body.username}}, function(err, data) {
                    if (err) {
                        response = {
                            "error" : true,
                            "message" : "Error fetching data"
                        };
                    } else {
                        if(data.length != 0){
                            if(data[0].name == req.body.username && data[0].password == req.body.password){
                                response = {
                                        "error" : false,
                                        "data" : "Success"
                                    };
                            }else {
                            response = {
                                    "error" : false,
                                    "data" : "Password is incorrect"
                                };
                        }
                    }else if(data.length == 0){
                        response = {
                                "error" : false,
                                "data" : "Username is incorrect"
                            };
                    }
                    }
                    console.log("Check login");
                    res.end(responseHandler(req,res,response));
                });
          }catch(ex){
              console.error("Error while retrive all data from User Model by name",ex);
              res.end(responseHandler(req,res,"Error while inserting User Model by name"));
          }
      });




      app.use(router);
    }