const express = require("express");
const glob = require("glob");
const fs = require("fs-extra");
const path = require("path");
const conf = require(`../../../../conf/townconf.json`);
const Odmdb = require("../models/Odmdb.js");
// Middlewares
const checkHeaders = require("../middlewares/checkHeaders");
const isAuthenticated = require("../middlewares/isAuthenticated");
const router = express.Router();
/**
 * @api {get} https://dns.xx/trk/pathtofile? - tracking system
 * @apiGroup Trackings
 * @apiName trackingsystem
 * @apiDescription  
 * 
 * **WARNING** a cors issue must be fix, currently this tracking work for the same domain.
 *  
 * without header:
 * https://dns.xx/trk/pathtofile?alias=anonymous&uuid=1b506f71-1bff-416c-9057-cb8b86296f60&srckey=btnregister&version=1&lg=fr 
 * 
 * with header
 * https://dns.xx/trk/pathtofile?srckey=btnregister&version=1
 * 
 * where pathtofile is a ressource accessible from  https://dns.xx/pathtofile 
 * For dummy pathtofile for apxtri project, you have:
 *   /cdn/log/1x1.png (a 1pixel image 95 bytes )
 *   /cdn/log/empty.json (an empty jason 2 bytes)
 * 
 * html usage to track a loading page or email when a picture is load
 * using apxwebapp in /src/ we got:
 *  < img src="static/img/photo.jpg" data-trksrckey="loadpage" data-version="1"  > 
 * 
 * in js action:
 * 
 *  
 *   
 * To hit an eventlistener
 *  axios.get("https://dns.xx/trk/cdn/empty.json?alias=anonymous&uuid=1b506f71-1bff-416c-9057-cb8b86296f60&srckey=btnregister&version=1");
 *  
 * If no js available (example:email or pdf document)
 *  < img src="https://dns.xx/trk/static/img/photo.jpg?alias=anonymous&uuid=1b506f71-1bff-416c-9057-cb8b86296f60&srckey=loadpage&version=1" 
 *  
 * 
 *  
 * This will hit a tracker then redirect to url> * 
 * 
 * **if you use apx.js** : in html add in < button >, < img >, < a > tag data-trksrc="srckey"
 * 
 *  < img src="https://dns.xx/static/img/photo.jpg" data-trkversion="1" data-trksrckey="registerform">
 *  < button data-trksrc="https://dns.xx/static/img/photo.jpg" data-trkversion="1" data-trksrckey="registerform">
 * 
 * A lazyloader can also be track. 
 * < img lazysrc="trk/static/img/photo.jpg data-trksrckey="loadpage" data-version="1" >
 
 * 
 * Tracking log are store into tribe/logs/nginx/tribe_appname.trk.log
 * Src have to be manage in tribe/api/models/lg/src_en.json
 * {"srckey":{"app":"presentation|app|apptest","title":"","description":""}}
 *
 * @apiParam {String} alias=anonymous if authenticated we get from headers
 * @apiParam {String} uuid a uuid v4 generate the first time a web page is open on a browser
 * @apiParam {String} srckey  source action that trig this get
 * @apiParam {integer} version=1 can be an int, date or any version of the src
 * @apiParam {integer} [tm] a timestamp of action when it is not immediate (for offline app)
 *  
 */
module.exports=router;