//import {Request, Response} from "express";
const express = require('express');
const fs = require('fs');
const app = express(); 
const bodyParser = require('body-parser');
const cookieParser = require('cookie-parser');
const jwt = require('jsonwebtoken');
const expressJwt = require('express-jwt');

const AdvancableBuffer = require('./backend/utilities/AdvancableBuffer.js');
const gbxHeader = require('./backend/trackmania-replays/gbx-header.js');
  
// handling CORS 
app.use((req, res, next) => { 
    res.header("Access-Control-Allow-Origin",  
               "http://localhost:4200"); 
    res.header("Access-Control-Allow-Headers",  
               "Origin, X-Requested-With, Content-Type, Accept"); 
    next(); 
}); 

app.use(bodyParser.json());
app.route('/api/login').post(loginRoute);

const RSA_PRIVATE_KEY = fs.readFileSync('./private.key');
const RSA_PUBLIC_KEY = fs.readFileSync('./public.key');

const checkIfAuthenticated = expressJwt({
  secret: RSA_PUBLIC_KEY
}); 

/*export */function loginRoute(req, res) {

  const email = req.body.email
  const password = req.body.password;

  if (validateEmailAndPassword(email, password)) 
  {
     const userId = findUserIdForEmail(email);

      const jwtBearerToken = jwt.sign({}, RSA_PRIVATE_KEY, {
              algorithm: 'RS256',
              expiresIn: 120,
              subject: userId
          });

          res.status(200).json({
            idToken: jwtBearerToken, 
            expiresIn: 120
          });
  }
  else {
      // send status 401 Unauthorized
      res.sendStatus(401); 
  }
}

//app.route('/api/session/create').get(checkIfAuthenticated, )
  
const upload = require('./backend/routes/upload-replay');

app.get('/api/seasons', (req, res) => {
  seasons = [{
    id: 1,
    seasonName: "Season 1",
    seasonTag: "Post Winter Blues",
    seasonCardImage: "",
    seasonHeaderImage: "",
    seasonStartDate: "",
    seasonSendDate: "",
    seasonId: "",
    seasonDesc: "",
  }]
  res.json({seasons: seasons});
});

app.get('/api/seasons/:id', (req, res) => {
  data = {
    details: {
      id: 1,
      seasonName: "Season 1",
      seasonTag: "Post Winter Blues",
      seasonCardImage: "",
      seasonHeaderImage: "",
      seasonStartDate: "",
      seasonSendDate: "",
      seasonId: "",
      seasonDesc: "",
    },
    standings: [{
      position: 1,
      points: 4,
      user: {
        realName: "Dan H",
        gamerHandle: "Quildra",
      }
    },
    {
      position: 2,
      points: 2,
      user: {
        realName: "Dan Mc",
        gamerHandle: "Mini-Quildra",
      }
    },
    ],
    weeks:[{
      id: "1",
      map: "bob",
      mapImg: "bob.jpg",
      entries: [
        {
          position: 1,
          runTime: 4.0,
          user: {
            realName: "Dan H",
            gamerHandle: "Quildra",
          }
        }
      ]
    }]
  }
  res.json({data: data});
});

// route for handling requests from the Angular client 
app.post('/api/upload-replay', upload.single('file'),  (req, res) => {
  let file = req.file;
  console.log("File uploaded: ", req.file);
  fs.readFile(file.path, function(err, buffer)
  {
    buff = new AdvancableBuffer(buffer);
    header = new gbxHeader().parse(buffer);
  })
}); 
  
app.listen(3000, () => { 
    console.log('Server listening on port 3000'); 
});