const m = require('mithril')
const defaults = require('./defaults')
const socket = require('./socket')

const core = {
  name: '...loading...',
  title: '',
  apps: [],
  db: {},
  status: {},
}

window.core = core

socket.on('core.config', function(res) {
  core.apps = []
  let keys = Object.keys(res)
  for (let key of keys) {
    if (typeof(res[key]) !== 'object') {
      core[key] = res[key]
    }
  }
  for (let appName of res.applications) {
    core.apps.push({
      name: appName,
      config: res[appName],
    })
  }
  m.redraw()
})

socket.on('core.status', function(res) {
  core.status = res
  m.redraw()
})

module.exports = function Module(module) {
  return defaults(module, {
    init: function() {},

    oninit: function(vnode) {
      this._listeners = []
      this.core = core
      this.init(vnode)
    },

    _listeners: null,

    _socketOn: function(cb) {
      socket.on('connect', () => cb())

      if (socket.connected) {
        cb()
      }
    },

    on: function(name, cb) {
      for (let i = 0; i < this._listeners.length; i++) {
        if (this._listeners[i][0] === name) {
          return
        }
      }
      this._listeners.push([name, cb])
      socket.on(name, cb)
    },

    remove: function() {},

    onremove: function() {
      this.remove()
      if (!this._listeners) return
      for (let i = 0; i < this._listeners.length; i++) {
        socket.off(this._listeners[i][0], this._listeners[i][1])
      }
    },
  })
}