/**
 */

var path = require('path')
var passport = require('passport')
var DigestStrategy = require('passport-http').DigestStrategy;
var bodyParser = require('body-parser')
var OKTemplate = require('../../../app/node_modules/oktemplate')
var apn = require('./apn')
var db = require('./db')

passport.use(new DigestStrategy({qop: 'auth'}, function authenticate(username, done) {
  if (!process.env.OK_USER || !process.env.OK_PASS) {
    return done(new Error('No user or pass configured on server'))
  } else {
    return done(null, process.env.OK_USER, process.env.OK_PASS)
  }
}))

function OKPush (options) {
  if (!(this instanceof OKPush)) return new OKPush(options)
  options = options || {}
  if (!options.express)
    throw new Error('Express not provided to OKPush')
  if (!options.config)
    throw new Error('Configuration not provided to OKPush')
  if (!options.config.notifications)
    throw new Error('Notifications not provided to OKPush')
  if (!options.config.bundleId)
    throw new Error('bundleId not provided to OKPush')
  
  var express = options.express
  var router = express.Router()
  var config = options.config
  var meta = options.meta
  var error = options.errorHandler
  // var okcms_db = options.db

  var templateProvider = this._templateProvider = new OKTemplate({
    root: path.join(__dirname, './templates'),
    debug: meta.debug
  })

  var templates = {}
  templates['index'] = templateProvider.getTemplate('index')

  apn.init(config)
  db.init(config)

  router.use('/admin/', passport.initialize())
  router.use('/public/', express.static(path.join(__dirname, './public')));

  // monkeypatch because of this app.use(router) shit.. obnoxious
  router.all('/admin/(:path*)?', function (req, res, next) {
    // req.url = "/_services/push" + req.url
    req.newUrl = req.url
    req.url = req.originalUrl
    next()
  })
  router.all('/admin/(:path*)?', passport.authenticate('digest', {
    session: false
  }))
  router.all('/admin/(:path*)?', function (req, res, next) {
    req.url = req.newUrl
    next()
  })

  // pass in admin middleware!
  router.get('/admin', function (req, res) {
    db.getNotifications(function(err, notes){
      db.getDeviceCount(function(err, count){
        var data = {
          meta: meta,
          notifications: config.notifications,
          device_count: count,
        }
        notes.forEach(function(note){
          if (note.key in data.notifications) {
            data.notifications[ note.key ].last_push = note.last_push
          }
        })
        templates['index'].render(data).then(function(rendered) {
          res.send(rendered);
        }).fail(error(req, res, 500))
      })
    })
  })

  router.post('/send', bodyParser.urlencoded({ extended: false }), function (req, res) {
    var key = req.body.key
    var opt = options.config.notifications[key]
    var note = apn.buildPayload(opt, options.config.bundleId)
    // apn.push(note)
    db.updateNotification(key, function(){
      res.send(200)
    })
  })

  // should work without middleware
  router.post('/add', function (req, res) {
    // add a key
  })

  this._router = router
}

OKPush.prototype.middleware = function () {
  return this._router
}

module.exports = OKPush