context = window
ConfigureTracksStore = @ConfigureTracksStore
@ConfigureLiveTracksDialog = React.createClass({

  mixins: [Reflux.listenTo(@ConfigureTracksStore,"onConfigureTracksChanged"), Reflux.listenTo(@AppStore, "onAppInit")]

  onConfigureTracksChanged:(configureTracks) ->
    @setState({configureTracks: configureTracks})

  onAppInit: (@app) ->

  getInitialState: () ->
    {configureTracks: null, midiInterface: null}

  renderAudio: () ->
    inputOneOptions = []
    inputTwoOptions = []

    defaultSelectionOne = `<option value="">Select an input port for this track (required)</option>`
    defaultSelectionTwo = `<option value="">Select an input port for this track (optional)</option>`

    inputOneOptions.push(defaultSelectionOne)
    inputTwoOptions.push(defaultSelectionTwo)
    inputOneValue = ''
    inputTwoValue = ''
    selectedInstrument = ''
    selectedVst = 'NONE'


    instruments = []
    instruments.push(`<option value="">Select the instrument for this track</option>`)
    for displayName, value of context.JK.server_to_client_instrument_map
      instruments.push(`<option value={value.server_id}>{displayName}</option>`)

    vsts = []

    instrumentDisabled = true
    vstDisabled = true


    if @state.configureTracks?

      if @state.configureTracks.scanningVsts
        scan =
          `<div className="vstScan">
            <div className="spinner-small"></div><span>Scanning your system<br/>for VST &amp; AU plug-ins...</span>
          </div>`

      selectedInstrument = @state.configureTracks.editingTrack.instrument_id if @state.configureTracks.editingTrack.instrument_id?

      if @state.configureTracks.editingTrack.length == 1
        input = @state.configureTracks.editingTrack[0]
        if input.number == 0
          inputOneValue = input.id
        else
          inputTwoValue = input.id

      if @state.configureTracks.editingTrack.length > 1
        inputOneValue = @state.configureTracks.editingTrack[0].id
        inputTwoValue = @state.configureTracks.editingTrack[1].id

      instrumentDisabled = @state.configureTracks.editingTrack.length == 0
      vstDisabled = @state.configureTracks.editingTrack.length == 0 || @state.configureTracks.unscanned

      if @state.configureTracks.unscanned
        initialScan = `<p className="initial-scan">“If you want to use an audio plugin, click the <b>manage audio plugins</b> link above, and then click the <b>scan for new or updated plugins</b> link in the menu.</p>`

      for input in @state.configureTracks.musicPorts.inputs

        include = false
        # we need to see that this input is unassigned, or one of the two selected
        for unassignedInputs in @state.configureTracks.trackAssignments.inputs.unassigned
          if unassignedInputs.id == input.id
            include = true
            break

        if !include
          # not see if it's the currently edited track
          for currentInput in @state.configureTracks.editingTrack
            if currentInput.id == input.id
              include = true

        if include
          item = `<option value={input.id}>{input.name}</option>`
          inputOneOptions.push(item)
          inputTwoOptions.push(item)


      for plugin in @state.configureTracks.vstPluginList.vsts
        if plugin.category == 'NONE'
          vsts.push(`<option value={plugin.file}>No VST/AU plugin selected</option>`)
        else if plugin.isInstrument == false
          vsts.push(`<option value={plugin.file}>{plugin.name} by {plugin.manuf}</option>`)

      if @state.configureTracks.editingTrack.vst?
        vstAssignedThisTrack = true
        selectedVst = @state.configureTracks.editingTrack.vst.file

      vstSettingBtnClasses = classNames({'button-orange': vstAssignedThisTrack, 'button-grey': !vstAssignedThisTrack})
    `<div className="audio">
      <div className="audio-input-ports">
        <h3>Audio Input Ports</h3>
        <p>Select one or two inputs ports to assign to this track.  Note that if you assign a single input port, the app will automatically duplicate this port into a stereo track.</p>
        <select className="input-one" name="input-one" onChange={this.inputChanged} value={inputOneValue}>
          {inputOneOptions}
        </select>
        <select className="input-two" name="input-two" onChange={this.inputChanged} value={inputTwoValue}>
          {inputTwoOptions}
        </select>
      </div>
      <div className="instrument-selection">
        <h3>Instrument</h3>
        <select className="instrument-pick" name="instrument" onChange={this.instrumentSelected} value={selectedInstrument} disabled={instrumentDisabled}>
          {instruments}
        </select>
      </div>
      <div className="audio-effects">
        <h3>Audio Effects (optional)</h3>
        <select className="vsts" name="vsts" onChange={this.vstsChanged} value={selectedVst} disabled={vstDisabled}>
          {vsts}
        </select>
        <a className="manage-audio-plugins" onClick={this.manageAudioPlugins}>manage audio plugins <div className="down-arrow"></div></a>
        <div className="settings-holder">
          <a onClick={this.vstSettings} className={vstSettingBtnClasses}>SETTINGS . . .</a>
        </div>
        {initialScan}
        {scan}
      </div>
    </div>`

  renderMidi: () ->
    midiInterfaces = []
    midiInterfaces.push(`<option value="">Select a MIDI interface</option>`)
    midiInstruments = []

    instruments = []
    for displayName, value of context.JK.server_to_client_instrument_map
      instruments.push(`<option value={value.server_id}>{displayName}</option>`)

    selectedMidiInterface = ''
    selectedInstrument = context.JK.client_to_server_instrument_map[50].server_id # default to electric guitar
    selectedMidiInstrument = ''

    instrumentDisabled = true
    midiInstrumentDisabled = true
    vstAssignedThisTrack = false

    if @state.configureTracks?

      if @state.configureTracks.scanningVsts
        scan =
          `<div className="vstScan">
            <div className="spinner-small"></div><span>Scanning your system<br/>for VST &amp; AU plug-ins...</span>
          </div>`

      if @state.configureTracks.unscanned
        initialScan = `<p className="initial-scan">“If you want to use a midi instrument, click the <b>manage audio plugins</b> link above, and then click the <b>scan for new or updated plugins</b> link in the menu.</p>`

      logger.debug("current midi device: " + @state.configureTracks.editingTrack.midiDeviceIndex)
      selectedMidiInterface = @state.midiInterface || @state.configureTracks.editingTrack.midiDeviceIndex

      selectedInstrument = @state.configureTracks.editingTrack.instrument_id if @state.configureTracks.editingTrack.instrument_id?
      instrumentDisabled = !@state.midiInterface? || !selectedMidiInterface?
      midiInstrumentDisabled = @state.configureTracks.unscanned
      instrumentDisabled = false

      if @state.configureTracks.editingTrack.vst?
        vstAssignedThisTrack = true
        selectedMidiInstrument = @state.configureTracks.editingTrack.vst.file
      vstSettingBtnClasses = classNames({'button-orange': vstAssignedThisTrack, 'button-grey': !vstAssignedThisTrack})

      for midiDevice in @state.configureTracks.attachedMidiDevices.midiDevices
        midiInterfaces.push(`<option value={midiDevice.deviceIndex}>{midiDevice.deviceName}</option>`)

      for plugin in @state.configureTracks.vstPluginList.vsts
        if plugin.isInstrument == true
          midiInstruments.push(`<option value={plugin.file}>{plugin.name} by {plugin.manuf}</option>`)
        else if plugin.category == 'NONE'
          midiInstruments.push(`<option value={plugin.file}>Select a VST or AU instrument</option>`)

    `<div className="midi">
      <div className="midi-interface">
        <h3>MIDI Interface</h3>
        <select className="midi-select" name="midi-select" onChange={this.midiInterfaceChanged} value={selectedMidiInterface} disabled={midiInstrumentDisabled} >
          {midiInterfaces}
        </select>
        <a className="scan-midi" onClick={this.scanMidi}>scan for connected MIDI interfaces</a>
      </div>
      <div className="instrument-selection">
        <h3>Instrument</h3>
        <select className="instrument-pick" name="instrument" onChange={this.instrumentSelected} value={selectedInstrument} disabled={instrumentDisabled}>
          {instruments}
        </select>
      </div>
      <div className="midi-instrument">
        <h3>MIDI Instrument (VST or AU Plugin)</h3>
        <select className="vsts" name="midi-instrument" onChange={this.vstsChanged} value={selectedMidiInstrument} disabled={midiInstrumentDisabled}>
          {midiInstruments}
        </select>
        <a className="manage-audio-plugins" onClick={this.manageAudioPlugins}>manage audio plugins <div className="down-arrow"></div></a>
        <div className="settings-holder">
          <a onClick={this.vstSettings} className={vstSettingBtnClasses}>SETTING . . .</a>
        </div>
        {initialScan}
        {scan}
      </div>
    </div>`

  render: () ->

    action = 'ADD TRACK'
    header = 'add track'

    isAudio = !@state.configureTracks? || @state.configureTracks.trackType == 'audio'
    isMidi = !isAudio

    if isAudio
      activeElement = @renderAudio()
    else
      activeElement = @renderMidi()

    if !@state.configureTracks?.newTrack
      action = 'CLOSE'
      header = 'update track'
    else
      cancelBtn = `<a onClick={this.onCancel} className="button-grey">CANCEL</a>`

    scanHelp = `<a className="dont-see-plugin" onClick={this.dontSeePlugin}>Don't see your plug-in in the list above?</a>`

    `<div>
      <div className="content-head">
        <img className="content-icon" src="/assets/content/icon_add.png" height={19} width={19}/>
        <h1>{header}</h1>
      </div>
      <div className="dialog-inner">

        {activeElement}

        <div className="actions">
          {cancelBtn}
          <a onClick={this.doClose} className="button-orange">{action}</a>
          {scanHelp}
        </div>
      </div>
    </div>`

  inputChanged: (e) ->
    $root = $(@getDOMNode())
    $select1 = $root.find('.input-one')
    $select2 = $root.find('.input-two')

    audioInput1 = $select1.val()
    audioInput2 = $select2.val()

    if audioInput1 == ''
      audioInput1 = null

    if audioInput2 == ''
      audioInput2 = null

    if audioInput1? && audioInput1 == audioInput2
      e.preventDefault()
      # TODO: tell user they can't do this
      return

    ConfigureTracksActions.associateInputsWithTrack(audioInput1, audioInput2)


  vstsChanged: (e) ->
    $root = $(@getDOMNode())
    $select = $root.find('select.vsts')
    vstSelected = $select.val()
    #if vstSelected != 'NONE'
    vstSelected = {file: vstSelected}

    if @state.configureTracks?.trackType == 'midi'
      @updateMidiAssociations()
    else
      logger.debug("associating vst", vstSelected)
      ConfigureTracksActions.associateVSTWithTrack(vstSelected)


    @setState({midiInterface: null})

  instrumentSelected: (e) ->
    $root = $(@getDOMNode())
    $select = $root.find('.instrument-pick')

    instrumentId = $select.val()
    ConfigureTracksActions.associateInstrumentWithTrack(instrumentId)


  doClose: (e) ->
    e.preventDefault()
    # check that instrument is selected

    $root = $(@getDOMNode())
    $instrument = $root.find('.instrument-pick')

    instrumentId = $instrument.val()

    $select1 = $root.find('.input-one')
    $select2 = $root.find('.input-two')

    audioInput1 = $select1.val()
    audioInput2 = $select2.val()

    if audioInput1 == ''
      audioInput1 = null

    if audioInput2 == ''
      audioInput2 = null

    if audioInput1 == null && audioInput2 == null
      context.JK.Banner.showAlert("At least one input must be specified.")
      return

    if instrumentId == null || instrumentId == ''
      context.JK.Banner.showAlert("Please select an instrument.")
      return

    @app.layout.closeDialog('configure-live-tracks-dialog', false)

  onCancel: (e) ->

    ConfigureTracksActions.cancelEdit()

    @app.layout.closeDialog('configure-live-tracks-dialog', true)

  vstSettings: (e) ->
    e.preventDefault()
    ConfigureTracksActions.showVstSettings()


  componentDidMount: () ->
    $root = $(@getDOMNode())

  componentWillUpdate: () ->
    $root = $(@getDOMNode())

  componentDidUpdate: () ->
    $root = $(@getDOMNode())

    $manageAudioPlugins = $root.find('.manage-audio-plugins')

    unless $manageAudioPlugins.data('initialized')
      $manageAudioPlugins.manageVsts().on(context.JK.EVENTS.VST_OPERATION_SELECTED, @vstOperation).data('initialized', true)

  trackTypeChanged: (event) ->

    if @ignoreICheck
      logger.debug("ignoring track type changed")
      return

    $checkedType = $(event.target);
    value = $checkedType.val()
    logger.debug("trackTypeChanged: " + value, $checkedType)
    ConfigureTracksActions.desiredTrackType(value)
    #@setState({trackType: value})

  initialScan: (e) ->
    e.preventDefault()
    ConfigureTracksActions.vstScan()

  dontSeePlugin: (e) ->
    e.preventDefault()
    context.JK.popExternalLink('https://jamkazam.desk.com/customer/portal/articles/2252557-adding-a-scan-folder-path-for-plugins')

  vstOperation: (e, data) ->

    if data.vstOperation == 'scan'
      ConfigureTracksActions.vstScan()
    else if data.vstOperation == 'clear'
      ConfigureTracksActions.clearVsts()
    else if data.vstOperation == 'manage'
      ConfigureTracksActions.manageVsts()

  manageAudioPlugins: (e) ->
    e.preventDefault()

    $root = $(@getDOMNode())
    $manageAudioPlugins = $root.find('.manage-audio-plugins')
    $manageAudioPlugins.btOn()

  scanMidi: (e) ->
    e.preventDefault()

    ConfigureTracksActions.midiScan()


  midiInterfaceChanged: (e) ->

    @updateMidiAssociations()

  updateMidiAssociations: (e) ->
    $root = $(@getDOMNode())
    $select = $root.find('select.midi-select')
    midiInterface = $select.val()

    $select = $root.find('select.vsts')
    vstSelected = $select.val()

    logger.debug("updateMidiAssocations", vstSelected, midiInterface)
    #if vstSelected != 'NONE'
    vstSelected = {file: vstSelected}
    #else
    #  vstSelected = null

    if midiInterface == ''
      midiInterface = null

    midi = @state.midiInterface || midiInterface

    if vstSelected? && midi?
      logger.debug("updating midi:#{midi} & vst: #{vstSelected.file}")

      ConfigureTracksActions.associateVSTWithTrack(vstSelected)
      setTimeout((() =>
        ConfigureTracksActions.associateMIDIWithTrack(midi)
      ), 250)

    else if midi?
      logger.debug("updating midi:#{midiInterface}")
      ConfigureTracksActions.associateMIDIWithTrack(midiInterface)
    else
      logger.debug("unassociating midi:#{midiInterface}")
      ConfigureTracksActions.associateMIDIWithTrack(null)

    @setState({midiInterface: midiInterface})

})