const Router = require('koa-router')
const r = new Router()
// const koaBody = require('koa-body')
const {
  verifyLine,
  getRaw
} = require('../../libs/middleware')
const {
  textMessage
} = require('../../libs/line-message')

r.post('/', getRaw, verifyLine, async (c, n) => {
  console.log(JSON.stringify(c.request.body, null, 2))
  if (!('events' in c.request.body)) return c.throw(400, 'data struct error')
  let evt = c.request.body.events || []
  evt.forEach(t => {
    let type = t.type
    switch (type) {
      case 'message':
        textMessage(t).catch(err => {
          console.log(err)
        })
        break
    }
  })
  c.body = 'success'
  c.status = 200
})

module.exports = r