const request = require('request');
const parse5 = require('parse5');

const url =  'https://polylan.ch';
const groupid = -14795224;

let old1 = 1179
let old2 = 486
function cb(ret,err){
	request(url, function (error, response, body) {
		try{
			const doc = parse5.parse(body).childNodes[1].childNodes[2].childNodes[34].childNodes[1].childNodes[1].childNodes[1].childNodes[5];
			const d1 = doc.childNodes[1].childNodes[3].childNodes[3].childNodes[4].value;
			const d2 = doc.childNodes[3].childNodes[3].childNodes[3].childNodes[4].value;
				
			const dif1 = d1 - old1;
			const dif2 = d2 - old2;
			old1 = d1
			old2 = d2

			ret([dif2,dif1]);
		}catch(e){
			err( e);
		}
	});
}

function handle_message (event, bot){
	if(event.update.message.text){
		var txt = event.update.message.text;
		return;
	}
}


module.exports = function(){

	this.cron  = function(cron,bot){
		this.bot = bot;
		this.cronb = function(that){
			new cron('59 34 0,6,12,18 * * *', function(){
				cb((res)=>{
					return that.bot.telegram.sendMessage(groupid,"Mieux que 0 !",{});
				},(err)=>{
					bot.log.error(err)
					return;
				})
			}, null, true, 'Europe/Zurich');
		}
	}
	this.handle = function(event, bot){
		if(event.update.message){
			return handle_message(event, bot);
		}
		return;
	}

	this.name = "PolyCB";
}