'use strict'

const express = require('express');
const Linebot = require('./linebot.js');

const app = express();

const linebot = new Linebot();
//const ai = new AI();

app.get('/', (req, res) => {
  res.json({
    api: 'lineBot'
  });
});

app.post('/linebot/callback',
  linebot.getMiddleware(), (req, res) => {
  Promise.all(req.body.events.map(linebot.handleEvent.bind(linebot)))
  .then(result => {
    return res.json(result)
   })
  .catch(err => {
    console.error(err);
    res.status(500).end();
  });
});
const port = process.env.PORT || 8100;
app.listen(port, () => {
  console.log(`listening on ${port}`);
});