import * as bodyParser from "body-parser";
import * as express from "express";
import * as logger from "morgan";
import * as path from "path";
import methodOverride = require("method-override");
import * as mongoose from "mongoose"; 

import { IndexRoute } from './routes/IndexRoute';

export class Server {

    public app: express.Application;

    public static bootstrap(): Server {
      return new Server();
    }

    constructor() {
        //create expressjs application
        this.app = express();

        //configure application
        this.config();

        //add routes
        this.routes();

        //add api
        this.api();
    }

    public api() {
        //empty for now
    }

    public config() {

        //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((err: any, req: express.Request, res: express.Response, next: express.NextFunction) => {
            err.status = 404;
            next(err);
        });
      
        //error handling
        //this.app.use(errorHandler());
        
        (<any>mongoose).Promise = global.Promise;
        const MONGODB_CONNECTION: string = "mongodb://localhost:27017/hor-db";

        mongoose.connect(MONGODB_CONNECTION, {useMongoClient: true}).catch((err) => {
            if(err) process.emit('uncaughtException', new Error(JSON.stringify({syscall: "listen", code: 'DBCONN', msg: err.message})));
        });  
   
    }

    public routes() {
        let router = express.Router();

        //IndexRoute
        IndexRoute.create(router);
  
        //use router middleware
        this.app.use(router);
    }
}