// express server + typescript see: http://brianflove.com/2016/11/08/typescript-2-express-node/


var DEFAULT_PORT = 3001; //  get from config
var DEFAULT_HOSTNAME = "127.0.0.1";

var filename = "src/testdata/test_data.ts";

import TESTS from '../test/minimal-testsuites'
import  TEST_2 from '../test/TEST_2' 
 

import * as bodyParser from "body-parser";
import * as express from "express";
import * as http from 'http'
import { Application } from "express";
import errorHandler from 'errorhandler'

import path from 'path'
import { saveFile } from "./file-util";
import { IndexRoute } from "./server/IndexRouter";
import { ArchiveDeserializer } from '@cafetextual/util';



function toCls(data:string) {
  var out = 'var GRAMMAR_TEST_DATA  = ' + data + "\n export default GRAMMAR_TEST_DATA";
  return out;


}





export default class ParseServer {

    constructor(config:any) {
      
        this._config = config
        //create expressjs application
        this.app = express();

        //configure application
        this.config();

        //add routes
        this.routes();

        //add api
        this.api(); 
        

    }

    _config:any


    app:Application;



    config() {
        
        this.app.use(bodyParser.json()); // to support JSON-encoded bodies
        
        this.app.use(bodyParser.urlencoded({
          // to support URL-encoded bodies
          extended: true
        }));
        var server; // Start the app if not loaded by another module
        //if (!module.parent) {
        
        
        
        
        server = http.createServer(this.app);
       
        server.listen( //config.port || 
            DEFAULT_PORT, //config.hostname || 
            DEFAULT_HOSTNAME, () => {
           console.log(' started server to get receive test data on localhost:3001/save');
        });

        var lastData = " no data yet";
        
        this.app.get('/', (req, res) => {
          res.send('last data:\n ' + lastData);
        });

        this.app.get('/testsuite' ,(req, res) => {
          var serializer:ArchiveDeserializer 
          console.log(' serveing testsuite')

          var out:string = JSON.stringify(TEST_2)
          res.setHeader('Content-Type', 'application/json');
          res.setHeader('Access-Control-Allow-Origin','*'); // <--- for dbug from browsers
          res.send(out);  
 
        })
         
        this.app.post('/parse', (req, res) => { 
          var data = req.body.data; // still stringified json
          console.log(' content to parse ' + data);
          // do parse here 
          

        })



        this.app.put('/save', (req, res) => {
          var data = req.body.data; // still stringified json
          console.log(' posted data ' + data);
        
          var clsTxt = toCls(data)
        
          saveFile("./" + filename, clsTxt);
          lastData = data;
          res.send('Posted some data' + data);
        }); // module.exports = app;
        
        
        // ---- parse on demand api
        this.app.post('/parse', (req, res) => {
            
        
        } )
        
    }


 // public config_old() {

    //add static paths
   // this.app.use(express.static(path.join(__dirname, "public")));
  
    //configure pug
   // this.app.set("views", path.join(__dirname, "views"));
   // this.app.set("view engine", "pug");
  


    //use logger middlware
    //his.app.use(logger("dev"));
  
    //use json form parser middlware
    //this.app.use(bodyParser.json());
  
    //use query string parser middlware
    //this.app.use(bodyParser.urlencoded({
     // extended: true
   // }));
  
    //use cookie parser middleware
    //this.app.use(cookieParser("SECRET_GOES_HERE"));
  
    //use override middlware
   // this.app.use(methodOverride());
  
    //catch 404 and forward to error handler
 //   this.app.use(function(err: any, req: express.Request, res: express.Response, next: express.NextFunction) {
 //       err.status = 404;
  //      next(err);
  //  });
  
    //error handling
  //  this.app.use(errorHandler(), () => {
   //   this.api() 

   // }

/**
  * Create router.
  *
  * @class Server
  * @method config
  * @return void
  */
  private routes() {
    /*
    let router: express.Router;
    router = express.Router();
  
    //IndexRoute
    IndexRoute.create(router);
  
    //use router middleware
    this.app.use(router);
    */
  }


    api() {
        
    }


} // ParseServer