// this demonstrates the remotestorage aframe component 

// reactive component for displaying the menu 
remoteStorageComponent = (el) => new Proxy({

  html: (data) => (`
    <style type="text/css">
      body #files .rs-button-big{
        background: #FFF;
        box-shadow: none;
        border: 1px solid #CCC;
        padding: 10px 0px 49px 10px;
      }
      #files .rs-button{
        background:#CCC;
      }
      #files input {
        min-width:345px;
      }
      #files #buttons select,
      #files #buttons button{
        width:255px;
        max-width:unset;
      }
      #files #listing{
        margin-bottom:15px;
      }
      #files #delete{
        display: none;
        transform: translate(10px, 5px);
      }
      #links{
        display:none
      }
    </style> 

    <div id="remoteFilesTab">
      <div id="rswidget"></div>
      <br>
      <div id="buttons" style="display:none">
        <select id="listing" alt="your files"></select> 
        <i class="gg-close-o" id="delete" alt="delete" onclick="$remotestorage.remove()"></i>
        <a href="https://inspektor.5apps.com/?path=%2Fwebxr%2F" target="_blank" style="margin-left:15px">manage files</a>
        <br>
        <button onclick="$remotestorage.savePrivate()"><i class="gg-software-download"></i> save experience</button>
        <br>
        <button onclick="$remotestorage.savePublic()" ><i class="gg-globe-alt"></i> publish online</button>
        <br>
        <div id="links">
          <br>
          <div><i class="gg-link"></i>&nbsp;&nbsp;&nbsp;3D file</div>
          <input type="text" value='' id="file">
          <br>
          <div><i class="gg-link"></i>&nbsp;&nbsp;&nbsp;3D file in webviewer</div>
          <input type="text" value='' id="webviewer">
        </div>
      </div>
    </div>
  `),

  connected: false,
  $listing: false,
  $links: false,

  init(opts){
    // create HTML element
    $files.tabs = $files.tabs.concat({id:"remoteFiles", name: "remote storage"})
    el.innerHTML = this.html(this)
    el.className = "tab"
    document.querySelector("#files .tab-frame").appendChild(el);

    // setup references
    this.$listing = document.querySelector('#files .tab-frame select#listing');
    this.$links   = document.querySelector('#files .tab-frame #links');

    // setup input listeners
    (['click']).map( (e) => el.addEventListener(e, (ev) => typeof this[e] == 'function' && this[e](ev.target.id,ev) ) )
    
    // signal ready 
    setTimeout( () => {
      document.dispatchEvent( new CustomEvent("remotestorage:ready", {detail: {$files:this,xrf}}) )
    },100)

    this.loadScript( () => this.initRemoteStorage() )

    return this
  },

  loadScript(cb){
    let el = document.createElement("script")
    el.setAttribute("defer","")
    el.src = "https://unpkg.com/remotestoragejs@2.0.0-beta.7/release/remotestorage.js"
    document.head.appendChild(el)

    el = document.createElement("script")
    el.src = "https://unpkg.com/remotestorage-widget@1.6.0/build/widget.js"
    el.addEventListener('load', () => setTimeout(cb,2000) )
    document.head.appendChild(el)
  },

  initRemoteStorage(){
    let apis = {
      dropbox: "4jc8nx1lbarp472"
    }
    const modules = []
    if( typeof WebXR != undefined ){
      modules.push(WebXR) // defined in remotestorage-module-webXRF.js
    }
    window.remoteStorage = new RemoteStorage({logging: true, modules })
    if( Object.keys(apis).length ) remoteStorage.setApiKeys(apis)

    remoteStorage.on('not-connected',   (e) => { this.connected = false })
    remoteStorage.on('ready',           (e) => { })
    remoteStorage.on('connected',       (e) => { 
      this.connected = true 
      // force open dialog and click remote-tab
      frontend.$topbar.toggle(true)
      $files.toggle(true)
      document.querySelector("#files input#remoteFiles").click()

      this.updateFiles()
    })

    remoteStorage.access.claim( `webxr`, 'rw');           // our data dir
    remoteStorage.caching.enable( `/webxr/` )             // local-first, remotestorage-second
    remoteStorage.caching.enable( `/public/webxr/` )      // local-first, remotestorage-second

    // create widget
    let opts = {}
    opts.modalBackdrop = false
    opts.leaveOpen     = true
    widget = new window.Widget(window.remoteStorage, opts)
    widget.attach( "rswidget" );

  },

  savePrivate(){
    frontend.download( (data,filename) => {
      filename = prompt('save-as filename', filename)
      remoteStorage.webxr.add(data,{public:false,filename,mimetype: 'model/glb-binary'})    
      .then( () => window.notify(`saved webxr/${filename} to remote storage`) )
      .catch( (e) => {
        console.error(e)
        window.notify(`failed to save webxr/${filename} to remote storage`,{status:'error'})
      })
    })
  },

  savePublic(){
    frontend.download( (data,filename) => {
      filename = prompt('save-as filename', filename)
      opts = {public:true,filename,mimetype: 'model/glb-binary'}
      remoteStorage.webxr.add(data,opts)
      .then( (res) => {
        window.notify(`saved webxr/${filename} to remote storage`) 
        const link = opts.client.storage.remote.href + opts.client.base + filename 
        const linkWebView = document.location.href.replace(/(\?|#).*/,'') + `?${link}` 
        this.$links.querySelector("#file").value = link
        this.$links.querySelector("#webviewer").value = linkWebView 
        this.$links.style.display = 'block'
      })
      .catch( (e) => {
        console.error(e)
        window.notify(`failed to save webxr/${filename} to remote storage`,{status:'error'})
      })
    })
  },

  openPrivate(file){
    if( !confirm(`teleport to ${file} on your remotestorage?`) ) return
    remoteStorage.webxr.getFile(file)
    .then( (res) => {
      for( var i in xrf.loaders ){
        if( file.replace(/.*\./).match(i) ){
          xrf.navigator.URI.file = '' // bypass cached file (easy refresh same file for testing)
          xrf.navigator.to(file,null, (new xrf.loaders[i]()), res.data)
          return
        }
      }
      throw 'unknown filetype: '+file
    })
    .catch( (e) => {
      console.error(e)
      window.notify("could not load webxr/"+file)
    })
  },

  remove(){
    const currentFile = el.querySelector('select#listing').value
    if( confirm("remove "+currentFile+" from remote storage?") ){
      remoteStorage.webxr.remove(currentFile)
      .then( () => {
        window.notify(`removed webxr/${filename} from remote storage`) 
        this.updateFiles()
      })
      .catch( (e) => {
        console.error(e)
        window.notify(`could not webxr/${filename} from remote storage`,{status:'error'}) 
      })
    }
  },

  updateFiles(){
    remoteStorage.webxr.getListing()
    .then( (listing) => {

      this.$listing.innerHTML = '' // empty

      const addOption = (value,text) => {
        let opt = document.createElement("option")
        opt.text = text
        opt.value = value
        this.$listing.appendChild(opt)
      }

      addOption("","--- your experiences ---")
      for( let file in listing ){
        if( file.match(/\.(glb|gltf|usd|obj|col|fbx)$/) ) addOption(file,file)
      }

      // autoload selection 
      if( !this.updateFiles.autoload ){ // run once
        this.$listing.addEventListener('change', () => {
          if( this.$listing.options.selectedIndex > 0 ) this.openPrivate(this.$listing.value) 
          document.querySelector("#delete").style.display = this.$listing.options.selectedIndex == 0 ? "none" : "inline-block"
          this.$links.style.display = 'none'
        })
        this.updateFiles.autoload = true
      }
    })

  },

  click(id,e){
    //switch(id){
    //  case "more": return this.toggle(); break;
    //}
  }
},
{

  get(me,k,v){ return me[k] },

  set(me,k,v){ 
    me[k] = v    
    switch( k ){
        case 'connected': el.querySelector("#buttons").style.display = v ? 'block' : 'none'; break;
    }
  },

})

// reactify component!
document.addEventListener('$files:ready', (e) => {
  window.$remotestorage = remoteStorageComponent( document.createElement('div') ).init(e.detail)
})