var pathmodule = require('path');
var app = require('express')();
var http = require('http').Server(app);
var https = require('https');
var io = require('socket.io')(http);

var chokidar = require("chokidar");
var logpath = "/var/lab/playground-serverlogs";
var watcher = chokidar.watch(logpath, {
          ignored: /[\/\\]\./,
          awaitWriteFinish: true,
          persistent: true
      });


 var async = require("async");
const { check, validationResult } = require('express-validator');
const urlExistSync = require("url-exist-sync");

var express = require('express');
app.use(express.json());

const axios = require('axios');
axios.defaults.timeout = 30000

 const helmet = require('helmet');
app.use(helmet());

const cors = require('cors')
const whitelist = [
        'http://localhost:8080',
        'http://localhost:3080',
        'http://localhost:3081',
        'http://localhost:3082'
        ]
const corsOptions = {
  credentials: true,
  methods: ['GET', 'PUT', 'POST', 'DELETE', 'OPTIONS'],
  optionsSuccessStatus: 200, // some legacy browsers (IE11, various SmartTVs) choke on 204
  allowedHeaders: [
        'Content-Type',
        'Authorization',
        'X-Requested-With',
        'device-remember-token',
        'Access-Control-Allow-Origin',
        'Access-Control-Allow-Headers',
        'Origin',
        'Accept'
  ],
  origin: function(origin, callback) {
    if (whitelist.indexOf(origin) !== -1) {
      callback(null, true)
    } else {
      callback(null, true)
      //callback(new Error('Not allowed by CORS'))
    }
  }
}


// ***************************************************
//      checktoken
// ***************************************************

async function checkToken(token) {
  const agent = new https.Agent({
    rejectUnauthorized: false,
  });
  const instance =  axios.create({
    baseURL: 'https://api.swarmlab.io',
    withCredentials: true,
    rejectUnauthorized: false,
    crossdomain: true,
    httpsAgent: agent,
    headers: {
      'Accept': 'application/json',
      'Content-Type': 'multipart/form-data',
      'Authorization': 'Bearer '+token
    }
  })
    try {
        var pipelines =  {
            "source":'ssologin'
        }
        var params = {
            pipeline: pipelines
          }

       var options = {
          headers: { 'content-type': 'application/x-www-form-urlencoded',Authorization: `Bearer ${token}` },
        };

     instance.defaults.timeout = 30000;
     const res = await instance.post('/istokenvalidsso',params,options);
        if(res.status == 200){
            return res.data
        }else{
            console.log("noerror: " + res)
            return res.status

        }
    }
    catch (err) {
        console.error("error: "+err);
        var error = new Object();
        error.action = '401'
        return error
    }
}


function convertDateToUTC(date) {
return new Date(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate(), date.getUTCHours(), date.getUTCMinutes(), date.getUTCSeconds(),date.getUTCMilliseconds());
}

// ***************************************************
//      get pipelines
// ***************************************************

async function getpipelines(token,pipelinename) {
  const agent = new https.Agent({
    rejectUnauthorized: false,
  });
  const instance =  axios.create({
    baseURL: 'https://api.swarmlab.io',
    withCredentials: true,
    rejectUnauthorized: false,
    crossdomain: true,
    httpsAgent: agent,
    headers: {
      'Accept': 'application/json',
      'Content-Type': 'multipart/form-data',
      'Authorization': 'Bearer '+token
    }
  })
  /*
   var params = {
            playbook: value
          }
        var options = {
          params: params,
          headers: { 'content-type': 'application/x-www-form-urlencoded',Authorization: `Bearer ${token}` },
        };

        const playbook = await api.GET('playbookCode',options);
        return playbook
*/
    try {

        var pipelines =  {
            "querytokenFilter":'uWr4FKRqrmpCRkJ9WLuI0DNuDWOGTkfcSzyZkJirZvJwwFDffLWrraqzzSPLeuQqL3TF9',
            "filter":pipelinename
        }
        //var params = {
        //    pipeline: pipelines
        //  }
        var params = {
            querytokenFilter:'uWr4FKRqrmpCRkJ9WLuI0DNuDWOGTkfcSzyZkJirZvJwwFDffLWrraqzzSPLeuQqL3TF9',
            filter:pipelinename
          }

       var options = {
          params: params,
          headers: { 'content-type': 'application/x-www-form-urlencoded',Authorization: `Bearer ${token}` },
        };

      //https://api.swarmlab.io/gettutorlabrooms?sort=pipelinename%7Casc&page=1&per_page=5&filter=&type=scripts&tutor=yes
     instance.defaults.timeout = 30000;
     //const res = await instance.get('/getplaygrounds',params,options);
     const res = await instance.get('/getplaygrounds',options);
        if(res.status == 200){
            return res.data
        }else{
            console.log("noerror: " + res)
            return res.status

        }
    }
    catch (err) {
        console.error("error: "+err);
        var error = new Object();
        error.action = '401'
        return error
    }
}


global.online='ob';
global.pipelines=[];

   function onWatcherReady(){
          console.info('From here can you check for real changes, the initial scan has been completed.');
      }

      // Declare the listeners of the watcher
      watcher
      .on('add', function(path) {
            console.log('File', path, 'has been added');
            var pathfileval = pathmodule.basename(path);
            //console.log('Filepath1 ', pathfileval, ' check');
           var arrfile =  pathfileval.toString().split("-");
            var pathfile = arrfile[0];
            //console.log('Filepath ', pathfile, ' check');
            // /var/lab/playground-serverlogs/ondemand_playgroundnodejs_masterJPMqt1Jr-RgpMZFwJ-log
        // ondemand_playgroundnodejs_masterPQvbrWga-AQxgfnSJ-output
                (async() => { 
                    var token = "d2539e5a7ae1f9f1b0eb2b8f22ca467a86d28407";  // desto
                    var resdata = await getpipelines(token,pathfile)
                    //console.log('info-------->>>>>>>>>>>> ', JSON.stringify(resdata));
                    //console.log('info----------------------- ', JSON.stringify(resdata.data));
                    //resdata.data.pathlogfile = pathfile
                    resdata.data.pathlogfile = 'test'
                    var resob =  resdata.data
                    var indexfind = global.pipelines.findIndex(x => x.res25swarmlabname==resdata.data.res25swarmlabname);

                    //indexfind === -1 ? global.pipelines.push({resob}) : console.log("object already exists")
                    indexfind === -1 ? global.pipelines.push(resob) : console.log("object already exists")

                    //console.log('info', JSON.stringify(resdata));
                    console.log('info------------- ', JSON.stringify(global.pipelines));
                })()
      })
      .on('addDir', function(path) {
            console.log('Directory', path, 'has been added');
      })
      .on('change', function(path) {
           console.log('File', path, 'has been changed');
      })
      .on('unlink', function(path) {
           console.log('File', path, 'has been removed');
      })
      .on('unlinkDir', function(path) {
           console.log('Directory', path, 'has been removed');
      })
      .on('error', function(error) {
           console.log('Error happened', error);
      })
      .on('ready', onWatcherReady)
      .on('raw', function(event, path, details) {
           // This event should be triggered everytime something happens.
           console.log('Raw event info:', event, path, details);
      });


// ***************************************************
//      rest  get
// ***************************************************

app.get('/run', [
    //check('access_token').isLength({ min: 40 }),
    //check('llo').isBase64()
  ],
cors(corsOptions),  (req, res, next) => {

  var RES = new Object();
  RES.code    = req.query["code"]
      console.error('socket GET from client ' + RES.code);
  RES.error = false
  RES.error_msg = "ok"
  res.json(RES)

});

// ***************************************************
//      rest  post
// ***************************************************

app.post('/run', [
    //check('access_token').isLength({ min: 40 }),
    //check('llo').isBase64()
  ],
cors(corsOptions),  (req, res, next) => {

      //console.log(JSON.stringify(req.headers));
      //console.log(JSON.stringify(req.body));
      console.log("mongo "+JSON.stringify(req.body));
      console.log("LOG "+JSON.stringify(req.body[0].message));
      console.log("PATH "+JSON.stringify(req.body[0].tailed_path));
      for (var i = 0; i < req.body.length; i++){
        var obj = req.body[i];

                    //var indexfind = global.pipelines.findIndex(x => x.res25swarmlabname==resdata.data.res25swarmlabname);
                    //indexfind === -1 ? global.pipelines.push(resob) : console.log("object already exists")
        var now = new Date();

        var reslog = new Object();
        reslog.log = obj

        //var n = {}
        //n.year = now.getFullYear();
        //n.month = now.getMonth();
        //n.day = now.getDay();
        //n.hours = now.getHours();
        //n.minutes = now.getMinutes();
        //n.seconds = now.getSeconds();
        //n.milliseconds = now.getMilliseconds();
        //reslog.date = n

        reslog.date = convertDateToUTC(now)
        console.log(reslog);

        io.emit("logdata", reslog);
/*
        for (var key in obj){
          var value = obj[key];
            //console.log("line " + key + ": " + value);
            reslog.key = key
            reslog.value = value
            //io.emit("logdata", reslog);
        }
        */
      }

    //io.in("iot").emit("message", RES);

      console.error('socket POST from client');
      var RES = new Object();
      RES.error = false
      RES.error_msg = "ok"
      RES.msg = req.body[0].messsage

      res.json(RES)
});

// ***************************************************
//      rocket
// ***************************************************

io.origins('*:*') // for latest version  

io.on('connection', s => {                                                                
        console.error('socket connection');                 

        // ------------------------------
        // --- set
        // ------------------------------
        var global = new Object();
        global.SOCKET = {};
        global.SOCKET.error = {};
        console.error('socket ...');
        s.auth = false;

        // ------------------------------
        // --- authenticate
        // ------------------------------
        s.on('authenticate', function(data){
                const token = data 
                console.log('invalid 1 ' + token);
                (async() => { 
                    var isvalid = await checkToken(token);
                    if(isvalid.action == 'ok'){
                        console.log("Authserver ok ", s.id + ' - ' + token);
                        global.SOCKET.user  = isvalid.user
                        global.SOCKET.scope = isvalid.scope // space delimeter
                        global.SOCKET.token = isvalid.token
                        s.auth = true;
                    }else{
                        console.log("Authserver no ", s.id + ' - ' + token);
                        s.auth = false;
                    }
                })()
        });

        setTimeout(function(){
                if (!s.auth) {
                        console.log("Disconnecting timeout socket ", s.id);
                        s.disconnect('unauthorized');
                }
         }, 30000);




        var id = s.id                                         
        s.on('log', obj => {                                  
          console.error('from client '+ s.id + ' obj ' + obj);                    
        });                                                                       
                                                                              
});                                                                           

http.listen(3000, () => console.error('listening on http://localhost:3000/'));
console.error('socket.io example');