const express = require('express')
const http = require('http')
const path = require('path')
const multer = require('multer')()
const upload = require('./util/upload')
const bodyParser = require('body-parser')
const compression = require('compression')
// const multer = require('multer')
// const upload = multer({ dest: 'uploads/' })

export const app = new express()
export const server = http.createServer(app)

app.disable('x-powered-by')
app.use(bodyParser.json({ limit: '100mb', }))
app.use(bodyParser.urlencoded({ extended: false, limit: '100mb', }))
app.use(express.query())
app.use(express.static(path.join(__dirname, '../../public')))
app.use(compression())

export const io = require('socket.io').listen(server)

import { api } from './util/api'

const api_folders = api(app, 'folder')
const api_files = api(app, 'file')
const api_datasets = api(app, 'dataset')
const api_tasks = api(app, 'task')

upload.init()
// app.use('/upload', require('./upload'))

app.post('/api/folder/:id/upload/',
  multer.array('file'),
  function (req, res, next){
    if (! req.files || ! req.files.length) {
      console.log('no files')
      res.json({ error: "no files" })
      return
    }
    console.log('got', req.files.length, 'files')
    var folder_id = req.params.id
    var dirname = process.env.S3_PATH + '/data/' + folder_id + '/'
    var promises = req.files.map((file) => {
      // console.log(file)
      return new Promise( (resolve, reject) => {
        upload.put({
          file: file,
          preserveFilename: true,
          sanitizeFilename: req.body.generated !== 'true',
          dirname: dirname,
          unacceptable: function(err){
            console.log('unacceptable')
            reject(err)
          },
          success: function(url, filename){
            console.log("file >", filename, url)
            var data = {
              folder_id,
              name: filename,
              url,
              size: file.size,
              datatype: file.mimetype.split('/')[0],
              activity: req.body.activity || 'url',
              module: req.body.module,
              epoch: parseInt(req.body.epoch) || 0,
              generated: req.body.generated === 'true',
              processed: req.body.processed === 'true',
              // username: req.user.get('username'),
            }

            api_files.create(data).then( (db_file) => {
              console.log(db_file)
              // console.log(req.body)
              // if this came from an automated command...
              if (req.body.should_relay === "true" || req.body.generated === "true") {
                console.log('relaying...')
                const client = require('./bridge').client
                console.log("__________\n_____________--\n")
                console.log("__________\n_______asdfdsaf______--\n")
                console.log("__________\n_____________--\n")
                console.log(require('./bridge'))
                console.log("__________\n_____________--\n")
                console.log("__________\n________clieieieie_____--\n")
                console.log("__________\n_____________--\n")
                console.log("__________\n_____________--\n")
                console.log(require('./bridge').client)
                console.log("__________\n_____________--\n")
                console.log("__________\n_____________--\n")
                console.log("__________\n_____________--\n")
                console.log("__________\n_____________--\n")
                console.log("__________\n_____________--\n")
                client.emit('api_res', JSON.stringify({ type: 'create', datatype: 'file', data: db_file }))
              }
              resolve(db_file)
            }).catch( (err) => {
              console.warn(err)
              res.sendStatus(500)
            })
          }
        })
      })
    })
    Promise.all(promises).then(files => {
      res.json({ files })
      next()
    }).catch(err => {
      console.log(err)
    })
  })

// require('./bridge')

function serve_index(req, res) { res.sendFile(path.join(__dirname, '../../public', 'index.html')) }

app.get('/:module/:mode/:id/', serve_index)
app.get('/:module/:mode/', serve_index)
app.get('/system/', serve_index)
app.get('/dashboard/', serve_index)
app.get('/', serve_index)

server.listen(process.env.EXPRESS_PORT, () => {
  console.log('Cortex remote listening on http://localhost:' + server.address().port)
})