var express = require('express');
const request = require('request');
const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
const TOKEN = '6lwsXwectIjTZ1NWp6c1t5l8nXaOjWgfeYfTOWNRRTVftaXMb4eSMj2zeficMr4/FWtyPPBuUB120kxZp58bwDilssdU5Uhc4mWz4kCPfcgiEcVwzXUktbYRE3xKAJU1zdYAsZZvI+87KY8qZvaRngdB04t89/1O/w1cDnyilFU='
const fs = require('fs');
const path = require('path');
const HTTPS = require('https');
const domain = "2018102235.oss2021.tk"
const sslport = 23023;

const fetch = require('node-fetch');
const bodyParser = require('body-parser');
var app = express();
app.use(bodyParser.json());

app.post('/hook', function(req, res) {
  var eventObj = req.body.events[0];
  var source = eventObj.source;
  var message = eventObj.message;
  // request log
  console.log('======================', new Date() ,'======================');
  console.log('[request]', req.body);
  console.log('[request source] ', source);
  console.log('[request message]', message);

  fs.readFile('coin_name.txt', 'utf8', function(err,data){
      arr = data.split(",");
     // console.log(arr);
      var responseList = new Array();
      function print_coin(){
          var promise = new Promise(function(resolve,reject){
              for(j=0;j<arr.length/10;j++){
                  for(i=j*10;i<(j+1)*10;i++){
                      (function(i){
                          setTimeout(function(){
                          const url = 'https://api.upbit.com/v1/candles/minutes/1?market='+arr[i]+'&count=1';
                          const options = {method: 'GET', headers: {Accept: 'application/json'}};
                          var coinJson = new Object();
                          fetch(url, options)
                          .then(res => res.json())
                          .then(json => {
                              coinJson.coin = arr[i];
                              coinJson.price = json[0].trade_price;
                              responseList.push(coinJson);
                              console.log(i)
                              if(responseList.length>116){
                                  resolve(responseList);
                              }
                          })
                          .catch(err => console.error('error:' + err));
                          },i*110);
                     })(i);
                  }
              }
              
          });
          return promise;
      } 

      request.post(
        {
          url: TARGET_URL,
            headers: {
                'Authorization': `Bearer ${TOKEN}`
          },
          json: {
              "replyToken":eventObj.replyToken,
              "messages":[
                  {
                      "type":"text",
                      "text":resList[0].coin
                  }
              ]
          }
        },(error, response, body) => {
            console.log(body)
        });
        res.sendStatus(200);
  })  
})

app.post('/hook', function (req, res) {

    var eventObj = req.body.events[0];
    var source = eventObj.source;
    var message = eventObj.message;
    // request log
    console.log('======================', new Date() ,'======================');
    console.log('[request]', req.body);
    console.log('[request source] ', eventObj.source);
    console.log('[request message]', eventObj.message);


    request.post(
        {
            url: TARGET_URL,
            headers: {
                'Authorization': `Bearer ${TOKEN}`
            },
            json: {
                "replyToken":eventObj.replyToken,
                "messages":[
                    {
                        "type":"text",
                        "text":"Hello, user"
                    },
                    {

                    }
                ]
            }
        },(error, response, body) => {
            console.log(body)
        });
    

    res.sendStatus(200);
});

try {
    const option = {
      ca: fs.readFileSync('/etc/letsencrypt/live/' + domain +'/fullchain.pem'),
      key: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/privkey.pem'), 'utf8').toString(),
      cert: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/cert.pem'), 'utf8').toString(),
    };
  
    HTTPS.createServer(option, app).listen(sslport, () => {
      console.log(`[HTTPS] Server is started on port ${sslport}`);
    });
  } catch (error) {
    console.log('[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다.');
    console.log(error);
  }