var he = require('he');
var Promise = require('es6-promise').Promise;
window.bootstrap = require('bootstrap');
import Cookies from 'js-cookie';



if (!String.prototype.format) {
  Object.assign(String.prototype, {
    format() {
      const args = arguments;
      return this.replace(/{(\d+)}/g, function (match, number) {
        return typeof args[number] !== 'undefined' ? args[number] : match;
      });
    },
  });
}
if (!String.prototype.encodeHTML) {
  Object.assign(String.prototype, {
    encodeHTML() {
      return he.encode(this).replace(/\n/g, '<br />');
    },
  });
}
Object.assign(Date.prototype, {
  toLocalShort() {
    const opt = { dateStyle: 'short', timeStyle: 'short' };
    return this.toLocaleString(undefined, opt);
  },
});
function handleNVSVisible(){
  let nvs_previous_checked = isEnabled(Cookies.get("show-nvs"));
  $('input#show-nvs')[0].checked = nvs_previous_checked ;
  if ($('input#show-nvs')[0].checked || recovery) {
      $('*[href*="-nvs"]').show();
    } else {
      $('*[href*="-nvs"]').hide();
    }
}


function isEnabled(val) {
  return val!=undefined && typeof val === 'string' && val.match("[Yy1]");
}

const nvsTypes = {
  NVS_TYPE_U8: 0x01,

  /*! < Type uint8_t */
  NVS_TYPE_I8: 0x11,

  /*! < Type int8_t */
  NVS_TYPE_U16: 0x02,

  /*! < Type uint16_t */
  NVS_TYPE_I16: 0x12,

  /*! < Type int16_t */
  NVS_TYPE_U32: 0x04,

  /*! < Type uint32_t */
  NVS_TYPE_I32: 0x14,

  /*! < Type int32_t */
  NVS_TYPE_U64: 0x08,

  /*! < Type uint64_t */
  NVS_TYPE_I64: 0x18,

  /*! < Type int64_t */
  NVS_TYPE_STR: 0x21,

  /*! < Type string */
  NVS_TYPE_BLOB: 0x42,

  /*! < Type blob */
  NVS_TYPE_ANY: 0xff /*! < Must be last */,
};
const btIcons = {
  bt_playing: {'label':'','icon': 'media_bluetooth_on'},
  bt_disconnected: {'label':'','icon': 'media_bluetooth_off'},
  bt_neutral: {'label':'','icon': 'bluetooth'},
  bt_connecting: {'label':'','icon': 'bluetooth_searching'},
  bt_connected: {'label':'','icon': 'bluetooth_connected'},
  bt_disabled: {'label':'','icon': 'bluetooth_disabled'},
  play_arrow: {'label':'','icon': 'play_circle_filled'},
  pause: {'label':'','icon': 'pause_circle'},
  stop: {'label':'','icon': 'stop_circle'},
  '':  {'label':'','icon':''}
};
const batIcons = [
  { icon: "battery_0_bar", label:'▪', ranges: [{ f: 5.8, t: 6.8 }, { f: 8.8, t: 10.2 }] },
  { icon: "battery_2_bar", label:'▪▪', ranges: [{ f: 6.8, t: 7.4 }, { f: 10.2, t: 11.1 }] },
  { icon: "battery_3_bar", label:'▪▪▪', ranges: [{ f: 7.4, t: 7.5 }, { f: 11.1, t: 11.25 }] },
  { icon: "battery_4_bar", label:'▪▪▪▪', ranges: [{ f: 7.5, t: 7.8 }, { f: 11.25, t: 11.7 }] }
];
const btStateIcons = [
  { desc: 'Idle', sub: ['bt_neutral'] },
  { desc: 'Discovering', sub: ['bt_connecting'] },
  { desc: 'Discovered', sub: ['bt_connecting'] },
  { desc: 'Unconnected', sub: ['bt_disconnected'] },
  { desc: 'Connecting', sub: ['bt_connecting'] },
  {
    desc: 'Connected',
    sub: ['bt_connected', 'play_arrow', 'bt_playing', 'pause', 'stop'],
  },
  { desc: 'Disconnecting', sub: ['bt_disconnected'] },
];

const pillcolors = {
  MESSAGING_INFO: 'badge-success',
  MESSAGING_WARNING: 'badge-warning',
  MESSAGING_ERROR: 'badge-danger',
};
const connectReturnCode = {
  OK: 0,
  FAIL: 1,
  DISC: 2,
  LOST: 3,
  RESTORE: 4,
  ETH: 5
}
const taskStates = {
  0: 'eRunning',
  /*! < A task is querying the state of itself, so must be running. */
  1: 'eReady',
  /*! < The task being queried is in a read or pending ready list. */
  2: 'eBlocked',
  /*! < The task being queried is in the Blocked state. */
  3: 'eSuspended',
  /*! < The task being queried is in the Suspended state, or is in the Blocked state with an infinite time out. */
  4: 'eDeleted',
};
let flashState = {
  NONE: 0,
  REBOOT_TO_RECOVERY: 2,
  SET_FWURL: 5,
  FLASHING: 6,
  DONE: 7,
  UPLOADING: 8,
  ERROR: 9,
  UPLOADCOMPLETE: 10,
  _state: -1,
  olderRecovery: false,
  statusText: '',
  flashURL: '',
  flashFileName: '',
  statusPercent: 0,
  Completed: false,
  recovery: false,
  prevRecovery: false,
  updateModal: new bootstrap.Modal(document.getElementById('otadiv'), {}),
  reset: function () {

    this.olderRecovery = false;
    this.statusText = '';
    this.statusPercent = -1;
    this.flashURL = '';
    this.flashFileName = undefined;
    this.UpdateProgress();
    $('#rTable tr.release').removeClass('table-success table-warning');
    $('.flact').prop('disabled', false);
    $('#flashfilename').value = null;
    $('#fw-url-input').value = null;
    if(!this.isStateError()){
      $('span#flash-status').html('');
      $('#fwProgressLabel').parent().removeClass('bg-danger');
    }
    this._state = this.NONE
    return this;
  },
  isStateUploadComplete: function () {
    return this._state == this.UPLOADCOMPLETE;
  },
  isStateError: function () {
    return this._state == this.ERROR;
  },
  isStateNone: function () {
    return this._state == this.NONE;
  },
  isStateRebootRecovery: function () {
    return this._state == this.REBOOT_TO_RECOVERY;
  },
  isStateSetUrl: function () {
    return this._state == this.SET_FWURL;
  },
  isStateFlashing: function () {
    return this._state == this.FLASHING;
  },
  isStateDone: function () {
    return this._state == this.DONE;
  },
  isStateUploading: function () {
    return this._state == this.UPLOADING;
  },
  init: function () {
    this._state = this.NONE;
    return this;
  },

  SetStateError: function () {
    this._state = this.ERROR;
    $('#fwProgressLabel').parent().addClass('bg-danger');
    return this;
  },
  SetStateNone: function () {
    this._state = this.NONE;
    return this;
  },
  SetStateRebootRecovery: function () {
    this._state = this.REBOOT_TO_RECOVERY;
    // Reboot system to recovery mode
    this.SetStatusText('Starting recovery mode.')
    $.ajax({
      url: '/recovery.json',
      context: this,
      dataType: 'text',
      method: 'POST',
      cache: false,
      contentType: 'application/json; charset=utf-8',
      data: JSON.stringify({
        timestamp: Date.now(),
      }),
      error: function (xhr, _ajaxOptions, thrownError) {
        this.setOTAError(`Unexpected error while trying to restart to recovery. (status=${xhr.status ?? ''}, error=${thrownError ?? ''} ) `);
      },
      complete: function (response) {
        this.SetStatusText('Waiting for system to boot.')
      },
    });
    return this;
  },
  SetStateSetUrl: function () {
    this._state = this.SET_FWURL;
    this.statusText = 'Sending firmware download location.';
    let confData = {
      fwurl: {
        value: this.flashURL,
        type: 33,
      }
    };
    post_config(confData);
    return this;
  },
  SetStateFlashing: function () {
    this._state = this.FLASHING;
    return this;
  },
  SetStateDone: function () {
    this._state = this.DONE;
    this.reset();
    return this;
  },
  SetStateUploading: function () {
    this._state = this.UPLOADING;
    return this.SetStatusText('Sending file to device.');
  },
  SetStateUploadComplete: function () {
    this._state = this.UPLOADCOMPLETE;
    return this;
  },

  isFlashExecuting: function () {
    return true === (this._state != this.UPLOADING && (this.statusText !== '' || this.statusPercent >= 0));
  },



  toString: function () {
    let keys = Object.keys(this);
    return keys.find(x => this[x] === this._state);
  },

  setOTATargets: function () {
    this.flashURL = '';
    this.flashFileName = '';
    this.flashURL = $('#fw-url-input').val();
    let fileInput = $('#flashfilename')[0].files;
    if (fileInput.length > 0) {
      this.flashFileName = fileInput[0];
    }
    if (this.flashFileName.length == 0 && this.flashURL.length == 0) {
      this.setOTAError('Invalid url or file. Cannot start OTA');
    }
    return this;
  },

  setOTAError: function (message) {
    this.SetStateError().SetStatusPercent(0).SetStatusText(message).reset();
    return this;
  },

  ShowDialog: function () {
    if (!this.isStateNone()) {
      this.updateModal.show();
      $('.flact').prop('disabled', true);
    }
    return this;
  },

  SetStatusPercent: function (pct) {
    var pctChanged = (this.statusPercent != pct);
    this.statusPercent = pct;
    if (pctChanged) {
      if (!this.isStateUploading() && !this.isStateFlashing()) {
        this.SetStateFlashing();
      }
      if (pct == 100) {
        if (this.isStateFlashing()) {
          this.SetStateDone();
        }
        else if (this.isStateUploading()) {
          this.statusPercent = 0;
          this.SetStateFlashing();
        }
      }
      this.UpdateProgress().ShowDialog();
    }
    return this;
  },
  SetStatusText: function (txt) {
    var changed = (this.statusText != txt);
    this.statusText = txt;
    if (changed) {
      $('span#flash-status').html(this.statusText);
      this.ShowDialog();
    }

    return this;
  },
  UpdateProgress: function () {
    $('.progress-bar')
      .css('width', this.statusPercent + '%')
      .attr('aria-valuenow', this.statusPercent)
      .text(this.statusPercent + '%')
    $('.progress-bar').html((this.isStateDone() ? 100 : this.statusPercent) + '%');
    return this;
  },
  StartOTA: function () {
    this.logEvent(this.StartOTA.name);
    $('#fwProgressLabel').parent().removeClass('bg-danger');
    this.setOTATargets();
    if (this.isStateError()) {
      return this;
    }
    if (!recovery) {
      this.SetStateRebootRecovery();
    }
    else {
      this.SetStateFlashing().TargetReadyStartOTA();
    }

    return this;
  },
  UploadLocalFile: function () {
    this.SetStateUploading();
    const xhttp = new XMLHttpRequest();
    xhttp.context = this;
    var boundHandleUploadProgressEvent = this.HandleUploadProgressEvent.bind(this);
    var boundsetOTAError=this.setOTAError.bind(this);
    xhttp.upload.addEventListener("progress",boundHandleUploadProgressEvent, false);
    xhttp.onreadystatechange = function () {
      if (xhttp.readyState === 4) {
        if (xhttp.status === 0 || xhttp.status === 404) {
          boundsetOTAError(`Upload Failed. Recovery version might not support uploading. Please use web update instead.`);
        }
      }
    };
    xhttp.open('POST', '/flash.json', true);
    xhttp.send(this.flashFileName);
  },
  TargetReadyStartOTA: function () {
    if (recovery && this.prevRecovery && !this.isStateRebootRecovery() && !this.isStateFlashing()) {
      // this should only execute once, while being in a valid state
      return this;
    }

    this.logEvent(this.TargetReadyStartOTA.name);
    if (!recovery) {
      console.error('Event TargetReadyStartOTA fired in the wrong mode ');
      return this;
    }
    this.prevRecovery = true;

    if (this.flashFileName !== '') {
      this.UploadLocalFile();
    }
    else if (this.flashURL != '') {
      this.SetStateSetUrl();
    }
    else {
      this.setOTAError('Invalid URL or file name while trying to start the OTa process')
    }
  },
  HandleUploadProgressEvent: function (data) {
    this.logEvent(this.HandleUploadProgressEvent.name);
    this.SetStateUploading().SetStatusPercent(Math.round(data.loaded / data.total * 100)).SetStatusText('Uploading file to device');
  },
  EventTargetStatus: function (data) {
    if (!this.isStateNone()) {
      this.logEvent(this.EventTargetStatus.name);
    }
    if (data.ota_pct ?? -1 >= 0) {
      this.olderRecovery = true;
      this.SetStatusPercent(data.ota_pct);
    }
    if ((data.ota_dsc ?? '') != '') {
      this.olderRecovery = true;
      this.SetStatusText(data.ota_dsc);
    }

    if (data.recovery != undefined) {
      this.recovery = data.recovery === 1 ? true : false;
    }
    if (this.isStateRebootRecovery() && this.recovery) {
      this.TargetReadyStartOTA();
    }
  },
  EventOTAMessageClass: function (data) {
    this.logEvent(this.EventOTAMessageClass.name);
    var otaData = JSON.parse(data);
    this.SetStatusPercent(otaData.ota_pct).SetStatusText(otaData.ota_dsc);
  },
  logEvent: function (fun) {
    console.log(`${fun}, flash state ${this.toString()}, recovery: ${this.recovery}, ota pct: ${this.statusPercent}, ota desc: ${this.statusText}`);
  }

};
window.hideSurrounding = function (obj) {
  $(obj).parent().parent().hide();
}

let presetsloaded = false;
let is_i2c_locked = false;
let statusInterval = 2000;
let messageInterval = 2500;
function post_config(data) {
  let confPayload = {
    timestamp: Date.now(),
    config: data
  };
  $.ajax({
    url: '/config.json',
    dataType: 'text',
    method: 'POST',
    cache: false,
    contentType: 'application/json; charset=utf-8',
    data: JSON.stringify(confPayload),
    error: handleExceptionResponse,
  });
}


window.hFlash = function () {
  // reset file upload selection if any;
  $('#flashfilename').value = null
  flashState.StartOTA();
}
window.handleReboot = function (link) {
  if (link == 'reboot_ota') {
    $('#reboot_ota_nav').removeClass('active').prop("disabled", true); delayReboot(500, '', 'reboot_ota');
  }
  else {
    $('#reboot_nav').removeClass('active'); delayReboot(500, '', link);
  }
}
function isConnected(){
  return ConnectedTo.ip && ConnectedTo.ip!='0.0.0.0';
}
function getIcon(icons){
  return isConnected()?icons.icon:icons.label;
}
function handlebtstate(data) {
  let icon = '';
  let tt = '';
  if (data.bt_status !== undefined && data.bt_sub_status !== undefined) {
    const iconindex = btStateIcons[data.bt_status].sub[data.bt_sub_status];
    if (iconindex) {
      icon =  btIcons[iconindex];
      tt = btStateIcons[data.bt_status].desc;
    } else {
      icon = btIcons.bt_connected;
      tt = 'Output status';
    }
  }

  $('#o_type').attr('title', tt);
  $('#o_bt').html(isConnected()?icon.label:icon.text);
}
function handleTemplateTypeRadio(outtype) {
  $('#o_type').children('span').css({ display: 'none' });
  if (outtype === 'bt') {
    output = 'bt';
  } else if (outtype === 'spdif') {
    output = 'spdif';
  } else {
    output = 'i2s';
  }
  $('#' + output).prop('checked', true);
  $('#o_' + output).css({ display: 'inline' });
}

function handleExceptionResponse(xhr, _ajaxOptions, thrownError) {
  console.log(xhr.status);
  console.log(thrownError);
  if (thrownError !== '') {
    showLocalMessage(thrownError, 'MESSAGING_ERROR');
  }
}
function HideCmdMessage(cmdname) {
  $('#toast_' + cmdname)
    .removeClass('table-success')
    .removeClass('table-warning')
    .removeClass('table-danger')
    .addClass('table-success')
    .removeClass('show');
  $('#msg_' + cmdname).html('');
}
function showCmdMessage(cmdname, msgtype, msgtext, append = false) {
  let color = 'table-success';
  if (msgtype === 'MESSAGING_WARNING') {
    color = 'table-warning';
  } else if (msgtype === 'MESSAGING_ERROR') {
    color = 'table-danger';
  }
  $('#toast_' + cmdname)
    .removeClass('table-success')
    .removeClass('table-warning')
    .removeClass('table-danger')
    .addClass(color)
    .addClass('show');
  let escapedtext = msgtext
    .substring(0, msgtext.length - 1)
    .encodeHTML()
    .replace(/\n/g, '<br />');
  escapedtext =
    ($('#msg_' + cmdname).html().length > 0 && append
      ? $('#msg_' + cmdname).html() + '<br/>'
      : '') + escapedtext;
  $('#msg_' + cmdname).html(escapedtext);
}

let releaseURL =
  'https://api.github.com/repos/sle118/squeezelite-esp32/releases';

let recovery = false;
let messagesHeld = false;
const commandHeader = 'squeezelite -b 500:2000 -d all=info -C 30 -W';
//let blockFlashButton = false;
let apList = null;
//let selectedSSID = '';
//let checkStatusInterval = null;
let messagecount = 0;
let messageseverity = 'MESSAGING_INFO';
let SystemConfig = {};
let LastCommandsState = null;
var output = '';
let hostName = '';
let versionName = 'Squeezelite-ESP32';
let prevmessage = '';
let project_name = versionName;
let board_model = '';
let platform_name = versionName;
let preset_name = '';
let btSinkNamesOptSel = '#cfg-audio-bt_source-sink_name';
let ConnectedTo = {};
let ConnectingToSSID = {};
let lmsBaseUrl;
let prevLMSIP = '';
const ConnectingToActions = {
  'CONN': 0, 'MAN': 1, 'STS': 2,
}

Promise.prototype.delay = function (duration) {
  return this.then(
    function (value) {
      return new Promise(function (resolve) {
        setTimeout(function () {
          resolve(value);
        }, duration);
      });
    },
    function (reason) {
      return new Promise(function (_resolve, reject) {
        setTimeout(function () {
          reject(reason);
        }, duration);
      });
    }
  );
};

function getConfigJson(slimMode) {
  const config = {};
  $('input.nvs').each(function (_index, entry) {
    if (!slimMode) {
      const nvsType = parseInt(entry.attributes.nvs_type.value, 10);
      if (entry.id !== '') {
        config[entry.id] = {};
        if (
          nvsType === nvsTypes.NVS_TYPE_U8 ||
          nvsType === nvsTypes.NVS_TYPE_I8 ||
          nvsType === nvsTypes.NVS_TYPE_U16 ||
          nvsType === nvsTypes.NVS_TYPE_I16 ||
          nvsType === nvsTypes.NVS_TYPE_U32 ||
          nvsType === nvsTypes.NVS_TYPE_I32 ||
          nvsType === nvsTypes.NVS_TYPE_U64 ||
          nvsType === nvsTypes.NVS_TYPE_I64
        ) {
          config[entry.id].value = parseInt(entry.value);
        } else {
          config[entry.id].value = entry.value;
        }
        config[entry.id].type = nvsType;
      }
    } else {
      config[entry.id] = entry.value;
    }
  });
  const key = $('#nvs-new-key').val();
  const val = $('#nvs-new-value').val();
  if (key !== '') {
    if (!slimMode) {
      config[key] = {};
      config[key].value = val;
      config[key].type = 33;
    } else {
      config[key] = val;
    }
  }
  return config;
}

function handleHWPreset(allfields, reboot) {

  const selJson = JSON.parse(allfields[0].value);
  var cmd = allfields[0].attributes.cmdname.value;

  console.log(`selected model: ${selJson.name}`);
  let confPayload = {
    timestamp: Date.now(),
    config: { model_config: { value: selJson.name, type: 33 } }
  };
  for (const [name, value] of Object.entries(selJson.config)) {
    const storedval = (typeof value === 'string' || value instanceof String) ? value : JSON.stringify(value);
    confPayload.config[name] = {
      value: storedval,
      type: 33,
    }
    showCmdMessage(
      cmd,
      'MESSAGING_INFO',
      `Setting ${name}=${storedval} `,
      true
    );
  }

  showCmdMessage(
    cmd,
    'MESSAGING_INFO',
    `Committing `,
    true
  );
  $.ajax({
    url: '/config.json',
    dataType: 'text',
    method: 'POST',
    cache: false,
    contentType: 'application/json; charset=utf-8',
    data: JSON.stringify(confPayload),
    error: function (xhr, _ajaxOptions, thrownError) {
      handleExceptionResponse(xhr, _ajaxOptions, thrownError);
      showCmdMessage(
        cmd,
        'MESSAGING_ERROR',
        `Unexpected error ${(thrownError !== '') ? thrownError : 'with return status = ' + xhr.status} `,
        true
      );
    },
    success: function (response) {
      showCmdMessage(
        cmd,
        'MESSAGING_INFO',
        `Saving complete `,
        true
      );
      console.log(response);
      if (reboot) {
        delayReboot(2500, cmd);
      }
    },
  });





}


// pull json file from https://gist.githubusercontent.com/sle118/dae585e157b733a639c12dc70f0910c5/raw/b462691f69e2ad31ac95c547af6ec97afb0f53db/squeezelite-esp32-presets.json and
function loadPresets() {
  if ($("#cfg-hw-preset-model_config").length == 0) return;
  if (presetsloaded) return;
  presetsloaded = true;
  $('#cfg-hw-preset-model_config').html('<option>--</option>');
  $.getJSON(
    'https://gist.githubusercontent.com/sle118/dae585e157b733a639c12dc70f0910c5/raw/',
    { _: new Date().getTime() },
    function (data) {
      $.each(data, function (key, val) {
        $('#cfg-hw-preset-model_config').append(`<option value='${JSON.stringify(val).replace(/"/g, '\"').replace(/\'/g, '\"')}'>${val.name}</option>`);
        if (preset_name !== '' && preset_name == val.name) {
          $('#cfg-hw-preset-model_config').val(preset_name);
        }
      });
      if (preset_name !== '') {
        ('#prev_preset').show().val(preset_name);
      }
    }

  ).fail(function (jqxhr, textStatus, error) {
    const err = textStatus + ', ' + error;
    console.log('Request Failed: ' + err);
  }
  );
}

function delayReboot(duration, cmdname, ota = 'reboot') {
  const url = '/' + ota + '.json';
  $('tbody#tasks').empty();
  $('#tasks_sect').css('visibility', 'collapse');
  Promise.resolve({ cmdname: cmdname, url: url })
    .delay(duration)
    .then(function (data) {
      if (data.cmdname.length > 0) {
        showCmdMessage(
          data.cmdname,
          'MESSAGING_WARNING',
          'System is rebooting.\n',
          true
        );
      } else {
        showLocalMessage('System is rebooting.\n', 'MESSAGING_WARNING');
      }
      console.log('now triggering reboot');
      $("button[onclick*='handleReboot']").addClass('rebooting');
      $.ajax({
        url: data.url,
        dataType: 'text',
        method: 'POST',
        cache: false,
        contentType: 'application/json; charset=utf-8',
        data: JSON.stringify({
          timestamp: Date.now(),
        }),
        error: handleExceptionResponse,
        complete: function () {
          console.log('reboot call completed');
          Promise.resolve(data)
            .delay(6000)
            .then(function (rdata) {
              if (rdata.cmdname.length > 0) {
                HideCmdMessage(rdata.cmdname);
              }
              getCommands();
              getConfig();
            });
        },
      });
    });
}
// eslint-disable-next-line no-unused-vars
window.saveAutoexec1 = function (apply) {
  showCmdMessage('cfg-audio-tmpl', 'MESSAGING_INFO', 'Saving.\n', false);
  let commandLine = commandHeader + ' -n "' + $('#player').val() + '"';
  if (output === 'bt') {
    commandLine += ' -o "BT" -R -Z 192000';
    showCmdMessage(
      'cfg-audio-tmpl',
      'MESSAGING_INFO',
      'Remember to configure the Bluetooth audio device name.\n',
      true
    );
  } else if (output === 'spdif') {
    commandLine += ' -o SPDIF -Z 192000';
  } else {
    commandLine += ' -o I2S';
  }
  if ($('#optional').val() !== '') {
    commandLine += ' ' + $('#optional').val();
  }
  const data = {
    timestamp: Date.now(),
  };
  data.config = {
    autoexec1: { value: commandLine, type: 33 },
    autoexec: {
      value: $('#disable-squeezelite').prop('checked') ? '0' : '1',
      type: 33,
    },
  };

  $.ajax({
    url: '/config.json',
    dataType: 'text',
    method: 'POST',
    cache: false,
    contentType: 'application/json; charset=utf-8',
    data: JSON.stringify(data),
    error: handleExceptionResponse,
    complete: function (response) {
      if (
        response.responseText &&
        JSON.parse(response.responseText).result === 'OK'
      ) {
        showCmdMessage('cfg-audio-tmpl', 'MESSAGING_INFO', 'Done.\n', true);
        if (apply) {
          delayReboot(1500, 'cfg-audio-tmpl');
        }
      } else if (JSON.parse(response.responseText).result) {
        showCmdMessage(
          'cfg-audio-tmpl',
          'MESSAGING_WARNING',
          JSON.parse(response.responseText).Result + '\n',
          true
        );
      } else {
        showCmdMessage(
          'cfg-audio-tmpl',
          'MESSAGING_ERROR',
          response.statusText + '\n'
        );
      }
      console.log(response.responseText);
    },
  });
  console.log('sent data:', JSON.stringify(data));
}
window.handleDisconnect = function () {
  $.ajax({
    url: '/connect.json',
    dataType: 'text',
    method: 'DELETE',
    cache: false,
    contentType: 'application/json; charset=utf-8',
    data: JSON.stringify({
      timestamp: Date.now(),
    }),
  });
}
function setPlatformFilter(val) {
  if ($('.upf').filter(function () { return $(this).text().toUpperCase() === val.toUpperCase() }).length > 0) {
    $('#splf').val(val).trigger('input');
    return true;
  }
  return false;
}
window.handleConnect = function () {
  ConnectingToSSID.ssid = $('#manual_ssid').val();
  ConnectingToSSID.pwd = $('#manual_pwd').val();
  ConnectingToSSID.dhcpname = $('#dhcp-name2').val();
  $("*[class*='connecting']").hide();
  $('#ssid-wait').text(ConnectingToSSID.ssid);
  $('.connecting').show();
  $.ajax({
    url: '/connect.json',
    dataType: 'text',
    method: 'POST',
    cache: false,
    contentType: 'application/json; charset=utf-8',
    data: JSON.stringify({
      timestamp: Date.now(),
      ssid: ConnectingToSSID.ssid,
      pwd: ConnectingToSSID.pwd
    }),
    error: handleExceptionResponse,
  });

  // now we can re-set the intervals regardless of result

}
$(document).ready(function () {
  $('.material-icons').each(function (_index, entry) {
    entry.attributes['icon']=entry.textContent;
  });
  setIcons(true);
  handleNVSVisible();
  flashState.init();
  $('#fw-url-input').on('input', function () {
    if ($(this).val().length > 8 && ($(this).val().startsWith('http://') || $(this).val().startsWith('https://'))) {
      $('#start-flash').show();
    }
    else {
      $('#start-flash').hide();
    }
  });
  $('.upSrch').on('input', function () {
    const val = this.value;
    $("#rTable tr").removeClass(this.id + '_hide');
    if (val.length > 0) {
      $(`#rTable td:nth-child(${$(this).parent().index() + 1})`).filter(function () {
        return !$(this).text().toUpperCase().includes(val.toUpperCase());
      }).parent().addClass(this.id + '_hide');
    }
    $('[class*="_hide"]').hide();
    $('#rTable tr').not('[class*="_hide"]').show()

  });
  setTimeout(refreshAP, 1500);

  $('#WifiConnectDialog')[0].addEventListener('shown.bs.modal', function (event) {
    $("*[class*='connecting']").hide();

    if (event?.relatedTarget) {
      ConnectingToSSID.Action = ConnectingToActions.CONN;
      if ($(event.relatedTarget).children('td:eq(1)').text() == ConnectedTo.ssid) {
        ConnectingToSSID.Action = ConnectingToActions.STS;
      }
      else {
        if (!$(event.relatedTarget).is(':last-child')) {
          ConnectingToSSID.ssid = $(event.relatedTarget).children('td:eq(1)').text();
          $('#manual_ssid').val(ConnectingToSSID.ssid);
        }
        else {
          ConnectingToSSID.Action = ConnectingToActions.MAN;
          ConnectingToSSID.ssid = '';
          $('#manual_ssid').val(ConnectingToSSID.ssid);
        }
      }
    }


    if (ConnectingToSSID.Action !== ConnectingToActions.STS) {
      $('.connecting-init').show();
      $('#manual_ssid').trigger('focus');
    }
    else {
      handleWifiDialog();
    }
  });

  $('#WifiConnectDialog')[0].addEventListener('hidden.bs.modal', function () {
    $('#WifiConnectDialog input').val('');
  });

  $('#uCnfrm')[0].addEventListener('shown.bs.modal', function () {
    $('#selectedFWURL').text($('#fw-url-input').val());
  });

  $('input#show-commands')[0].checked = LastCommandsState === 1;
  $('a[href^="#tab-commands"]').hide();
  $('#load-nvs').on('click', function () {
    $('#nvsfilename').trigger('click');
  });
  $('#nvsfilename').on('change', function () {
    if (typeof window.FileReader !== 'function') {
      throw "The file API isn't supported on this browser.";
    }
    if (!this.files) {
      throw 'This browser does not support the `files` property of the file input.';
    }
    if (!this.files[0]) {
      return undefined;
    }

    const file = this.files[0];
    let fr = new FileReader();
    fr.onload = function (e) {
      let data = {};
      try {
        data = JSON.parse(e.target.result);
      } catch (ex) {
        alert('Parsing failed!\r\n ' + ex);
      }
      $('input.nvs').each(function (_index, entry) {
        $(this).parent().removeClass('bg-warning').removeClass('bg-success');
        if (data[entry.id]) {
          if (data[entry.id] !== entry.value) {
            console.log(
              'Changed ' + entry.id + ' ' + entry.value + '==>' + data[entry.id]
            );
            $(this).parent().addClass('bg-warning');
            $(this).val(data[entry.id]);
          }
          else {
            $(this).parent().addClass('bg-success');
          }
        }
      });
      var changed = $("input.nvs").children('.bg-warning');
      if (changed) {
        alert('Highlighted values were changed. Press Commit to change on the device');
      }
    }
    fr.readAsText(file);
    this.value = null;

  }
  );
  $('#clear-syslog').on('click', function () {
    messagecount = 0;
    messageseverity = 'MESSAGING_INFO';
    $('#msgcnt').text('');
    $('#syslogTable').html('');
  });

  $('#ok-credits').on('click', function () {
    $('#credits').slideUp('fast', function () { });
    $('#app').slideDown('fast', function () { });
  });

  $('#acredits').on('click', function (event) {
    event.preventDefault();
    $('#app').slideUp('fast', function () { });
    $('#credits').slideDown('fast', function () { });
  });

  $('input#show-commands').on('click', function () {
    this.checked = this.checked ? 1 : 0;
    if (this.checked) {
      $('a[href^="#tab-commands"]').show();
      LastCommandsState = 1;
    } else {
      LastCommandsState = 0;
      $('a[href^="#tab-commands"]').hide();
    }
  });

  $('input#show-nvs').on('click', function () {
    this.checked = this.checked ? 1 : 0;
    Cookies.set("show-nvs", this.checked?'Y':'N');
    handleNVSVisible();
  });
  $('#btn_reboot_recovery').on('click', function () {
    handleReboot('recovery');
  });
  $('#btn_reboot').on('click', function () {
    handleReboot('reboot');
  });
  $('#btn_flash').on('click', function () {
    hFlash();
  });
  $('#save-autoexec1').on('click', function () {
    saveAutoexec1(false);
  });
  $('#commit-autoexec1').on('click', function () {
    saveAutoexec1(true);
  });
  $('#btn_disconnect').on('click', function () {
    ConnectedTo={};
    refreshAPHTML2();
    $.ajax({
      url: '/connect.json',
      dataType: 'text',
      method: 'DELETE',
      cache: false,
      contentType: 'application/json; charset=utf-8',
      data: JSON.stringify({
        timestamp: Date.now(),
      }),
    });
  });
  $('#btnJoin').on('click', function () {
    handleConnect();
  });
  $('#reboot_nav').on('click', function () {
    handleReboot('reboot');
  });
  $('#reboot_ota_nav').on('click', function () {
    handleReboot('reboot_ota');
  });

  $('#save-as-nvs').on('click', function () {
    const config = getConfigJson(true);
    const a = document.createElement('a');
    a.href = URL.createObjectURL(
      new Blob([JSON.stringify(config, null, 2)], {
        type: 'text/plain',
      })
    );
    a.setAttribute(
      'download',
      'nvs_config_' + hostName + '_' + Date.now() + 'json'
    );
    document.body.appendChild(a);
    a.click();
    document.body.removeChild(a);
  });

  $('#save-nvs').on('click', function () {
    post_config(getConfigJson(false));
  });

  $('#fwUpload').on('click', function () {
    const fileInput = document.getElementById('flashfilename').files;
    if (fileInput.length === 0) {
      alert('No file selected!');
    } else {
      $('#fw-url-input').value = null;
      flashState.StartOTA();
    }

  });
  $('[name=output-tmpl]').on('click', function () {
    handleTemplateTypeRadio(this.id);
  });

  $('#chkUpdates').on('click', function () {
    $('#rTable').html('');
    $.getJSON(releaseURL, function (data) {
      let i = 0;
      const branches = [];
      data.forEach(function (release) {
        const namecomponents = release.name.split('#');
        const branch = namecomponents[3];
        if (!branches.includes(branch)) {
          branches.push(branch);
        }
      });
      let fwb = '';
      branches.forEach(function (branch) {
        fwb += '<option value="' + branch + '">' + branch + '</option>';
      });
      $('#fwbranch').append(fwb);

      data.forEach(function (release) {
        let url = '';
        release.assets.forEach(function (asset) {
          if (asset.name.match(/\.bin$/)) {
            url = asset.browser_download_url;
          }
        });
        const namecomponents = release.name.split('#');
        const ver = namecomponents[0];
        const cfg = namecomponents[2];
        const branch = namecomponents[3];
        var bits = ver.substr(ver.lastIndexOf('-') + 1);
        bits = (bits == '32' || bits == '16') ? bits : '';

        let body = release.body;
        body = body.replace(/'/gi, '"');
        body = body.replace(
          /[\s\S]+(### Revision Log[\s\S]+)### ESP-IDF Version Used[\s\S]+/,
          '$1'
        );
        body = body.replace(/- \(.+?\) /g, '- ').encodeHTML();
        $('#rTable').append(`<tr class='release ' fwurl='${url}'>
        <td data-bs-toggle='tooltip' title='${body}'>${ver}</td><td>${new Date(release.created_at).toLocalShort()}
        </td><td class='upf'>${cfg}</td><td>${branch}</td><td>${bits}</td></tr>`
        );
      });
      if (i > 7) {
        $('#releaseTable').append(
          "<tr id='showall'>" +
          "<td colspan='6'>" +
          "<input type='button' id='showallbutton' class='btn btn-info' value='Show older releases' />" +
          '</td>' +
          '</tr>'
        );
        $('#showallbutton').on('click', function () {
          $('tr.hide').removeClass('hide');
          $('tr#showall').addClass('hide');
        });
      }
      $('#searchfw').css('display', 'inline');
      if (!setPlatformFilter(platform_name)) {
        setPlatformFilter(project_name)
      }
      $('#rTable tr.release').on('click', function () {
        var url = this.attributes['fwurl'].value;
        if (lmsBaseUrl) {
          url = url.replace(/.*\/download\//, lmsBaseUrl + '/plugins/SqueezeESP32/firmware/');
        }
        $('#fw-url-input').val(url);
        $('#start-flash').show();
        $('#rTable tr.release').removeClass('table-success table-warning');
        $(this).addClass('table-success table-warning');
      });

    }).fail(function () {
      alert('failed to fetch release history!');
    });
  });
  $('#fwcheck').on('click', function () {
    $('#releaseTable').html('');
    $('#fwbranch').empty();
    $.getJSON(releaseURL, function (data) {
      let i = 0;
      const branches = [];
      data.forEach(function (release) {
        const namecomponents = release.name.split('#');
        const branch = namecomponents[3];
        if (!branches.includes(branch)) {
          branches.push(branch);
        }
      });
      let fwb;
      branches.forEach(function (branch) {
        fwb += '<option value="' + branch + '">' + branch + '</option>';
      });
      $('#fwbranch').append(fwb);

      data.forEach(function (release) {
        let url = '';
        release.assets.forEach(function (asset) {
          if (asset.name.match(/\.bin$/)) {
            url = asset.browser_download_url;
          }
        });
        const namecomponents = release.name.split('#');
        const ver = namecomponents[0];
        const idf = namecomponents[1];
        const cfg = namecomponents[2];
        const branch = namecomponents[3];

        let body = release.body;
        body = body.replace(/'/gi, '"');
        body = body.replace(
          /[\s\S]+(### Revision Log[\s\S]+)### ESP-IDF Version Used[\s\S]+/,
          '$1'
        );
        body = body.replace(/- \(.+?\) /g, '- ');
        const trclass = i++ > 6 ? ' hide' : '';
        $('#releaseTable').append(
          "<tr class='release" +
          trclass +
          "'>" +
          "<td data-bs-toggle='tooltip' title='" +
          body +
          "'>" +
          ver +
          '</td>' +
          '<td>' +
          new Date(release.created_at).toLocalShort() +
          '</td>' +
          '<td>' +
          cfg +
          '</td>' +
          '<td>' +
          idf +
          '</td>' +
          '<td>' +
          branch +
          '</td>' +
          "<td><input type='button' class='btn btn-success' value='Select' data-bs-url='" +
          url +
          "' onclick='setURL(this);' /></td>" +
          '</tr>'
        );
      });
      if (i > 7) {
        $('#releaseTable').append(
          "<tr id='showall'>" +
          "<td colspan='6'>" +
          "<input type='button' id='showallbutton' class='btn btn-info' value='Show older releases' />" +
          '</td>' +
          '</tr>'
        );
        $('#showallbutton').on('click', function () {
          $('tr.hide').removeClass('hide');
          $('tr#showall').addClass('hide');
        });
      }
      $('#searchfw').css('display', 'inline');
    }).fail(function () {
      alert('failed to fetch release history!');
    });
  });

  $('#updateAP').on('click', function () {
    refreshAP();
    console.log('refresh AP');
  });

  // first time the page loads: attempt to get the connection status and start the wifi scan
  getConfig();
  getCommands();
  getMessages();
  checkStatus();

});

// eslint-disable-next-line no-unused-vars
window.setURL = function (button) {
  let url = button.dataset.url;

  $('[data-bs-url^="http"]')
    .addClass('btn-success')
    .removeClass('btn-danger');
  $('[data-bs-url="' + url + '"]')
    .addClass('btn-danger')
    .removeClass('btn-success');

  // if user can proxy download through LMS, modify the URL
  if (lmsBaseUrl) {
    url = url.replace(/.*\/download\//, lmsBaseUrl + '/plugins/SqueezeESP32/firmware/');
  }

  $('#fwurl').val(url);
}


function rssiToIcon(rssi) {
  if (rssi >= -55) {
    return {'label':'****','icon':`signal_wifi_statusbar_4_bar`};
  } else if (rssi >= -60) {
    return {'label':'***','icon':`network_wifi_3_bar`};
  } else if (rssi >= -65) {
    return {'label':'**','icon':`network_wifi_2_bar`};
  } else if (rssi >= -70) {
    return {'label':'*','icon':`network_wifi_1_bar`};
  } else {
    return {'label':'.','icon':`signal_wifi_statusbar_null`};
  }
}

function refreshAP() {
  if (ConnectedTo?.urc === connectReturnCode.ETH) return;
  $.ajaxSetup({
    timeout: 3000 //Time in milliseconds
  });
  $.getJSON('/scan.json', async function () {
    await sleep(2000);
    $.getJSON('/ap.json', function (data) {
      if (data.length > 0) {
        // sort by signal strength
        data.sort(function (a, b) {
          const x = a.rssi;
          const y = b.rssi;
          // eslint-disable-next-line no-nested-ternary
          return x < y ? 1 : x > y ? -1 : 0;
        });
        apList = data;
        refreshAPHTML2(apList);

      }
    });
  });
}
function formatAP(ssid, rssi, auth) {
  const rssi_icon=rssiToIcon(rssi);
  const auth_icon={label:auth == 0 ? '🔓' : '🔒',icon:auth == 0 ? 'no_encryption' : 'lock'};
  
  return `<tr data-bs-toggle="modal" data-bs-target="#WifiConnectDialog"><td></td><td>${ssid}</td><td>
  <span class="material-icons" style="fill:white; display: inline" aria-label="${rssi_icon.label}" icon="${rssi_icon.icon}" >${getIcon(rssi_icon)}</span>
  	</td><td>
    <span class="material-icons" aria-label="${auth_icon.label}" icon="${auth_icon.icon}">${getIcon(auth_icon)}</span>
  </td></tr>`;
}
function refreshAPHTML2(data) {
  let h = '';
  $('#wifiTable tr td:first-of-type').text('');
  $('#wifiTable tr').removeClass('table-success table-warning');
  if (data) {
    data.forEach(function (e) {
      h += formatAP(e.ssid, e.rssi, e.auth);
    });
    $('#wifiTable').html(h);
  }
  if ($('.manual_add').length == 0) {
    $('#wifiTable').append(formatAP('Manual add', 0, 0));
    $('#wifiTable tr:last').addClass('table-light text-dark').addClass('manual_add');
  }
  if (ConnectedTo.ssid && (ConnectedTo.urc === connectReturnCode.OK || ConnectedTo.urc === connectReturnCode.RESTORE)) {
    const wifiSelector = `#wifiTable td:contains("${ConnectedTo.ssid}")`;
    if ($(wifiSelector).filter(function () { return $(this).text() === ConnectedTo.ssid; }).length == 0) {
      $('#wifiTable').prepend(`${formatAP(ConnectedTo.ssid, ConnectedTo.rssi ?? 0, 0)}`);
    }
    $(wifiSelector).filter(function () { return $(this).text() === ConnectedTo.ssid; }).siblings().first().html('&check;').parent().addClass((ConnectedTo.urc === connectReturnCode.OK ? 'table-success' : 'table-warning'));
    $('span#foot-if').html(`SSID: <strong>${ConnectedTo.ssid}</strong>, IP: <strong>${ConnectedTo.ip}</strong>`);
    $('#wifiStsIcon').html(rssiToIcon(ConnectedTo.rssi));

  }
  else if (ConnectedTo?.urc !== connectReturnCode.ETH) {
    $('span#foot-if').html('');
  }

}
function refreshETH() {

  if (ConnectedTo.urc === connectReturnCode.ETH) {
    $('span#foot-if').html(`Network: Ethernet, IP: <strong>${ConnectedTo.ip}</strong>`);
  }
}
function showTask(task) {
  console.debug(
    this.toLocaleString() +
    '\t' +
    task.nme +
    '\t' +
    task.cpu +
    '\t' +
    taskStates[task.st] +
    '\t' +
    task.minstk +
    '\t' +
    task.bprio +
    '\t' +
    task.cprio +
    '\t' +
    task.num
  );
  $('tbody#tasks').append(
    '<tr class="table-primary"><th scope="row">' +
    task.num +
    '</th><td>' +
    task.nme +
    '</td><td>' +
    task.cpu +
    '</td><td>' +
    taskStates[task.st] +
    '</td><td>' +
    task.minstk +
    '</td><td>' +
    task.bprio +
    '</td><td>' +
    task.cprio +
    '</td></tr>'
  );
}
function btExists(name) {
  return getBTSinkOpt(name).length > 0;
}
function getBTSinkOpt(name) {
  return $(`${btSinkNamesOptSel} option:contains('${name}')`);
}
function getMessages() {
  $.ajaxSetup({
    timeout: messageInterval //Time in milliseconds
  });
  $.getJSON('/messages.json', async function (data) {
    for (const msg of data) {
      const msgAge = msg.current_time - msg.sent_time;
      var msgTime = new Date();
      msgTime.setTime(msgTime.getTime() - msgAge);
      switch (msg.class) {
        case 'MESSAGING_CLASS_OTA':
          flashState.EventOTAMessageClass(msg.message);
          break;
        case 'MESSAGING_CLASS_STATS':
          // for task states, check structure : task_state_t
          var statsData = JSON.parse(msg.message);
          console.debug(
            msgTime.toLocalShort() +
            ' - Number of running tasks: ' +
            statsData.ntasks
          );
          console.debug(
            msgTime.toLocalShort() +
            '\tname' +
            '\tcpu' +
            '\tstate' +
            '\tminstk' +
            '\tbprio' +
            '\tcprio' +
            '\tnum'
          );
          if (statsData.tasks) {
            if ($('#tasks_sect').css('visibility') === 'collapse') {
              $('#tasks_sect').css('visibility', 'visible');
            }
            $('tbody#tasks').html('');
            statsData.tasks
              .sort(function (a, b) {
                return b.cpu - a.cpu;
              })
              .forEach(showTask, msgTime);
          } else if ($('#tasks_sect').css('visibility') === 'visible') {
            $('tbody#tasks').empty();
            $('#tasks_sect').css('visibility', 'collapse');
          }
          break;
        case 'MESSAGING_CLASS_SYSTEM':
          showMessage(msg, msgTime);
          break;
        case 'MESSAGING_CLASS_CFGCMD':
          var msgparts = msg.message.split(/([^\n]*)\n(.*)/gs);
          showCmdMessage(msgparts[1], msg.type, msgparts[2], true);
          break;
        case 'MESSAGING_CLASS_BT':
          if ($("#cfg-audio-bt_source-sink_name").is('input')) {
            var attr = $("#cfg-audio-bt_source-sink_name")[0].attributes;
            var attrs = '';
            for (var j = 0; j < attr.length; j++) {
              if (attr.item(j).name != "type") {
                attrs += `${attr.item(j).name} = "${attr.item(j).value}" `;
              }
            }
            var curOpt = $("#cfg-audio-bt_source-sink_name")[0].value;
            $("#cfg-audio-bt_source-sink_name").replaceWith(`<select id="cfg-audio-bt_source-sink_name" ${attrs}><option value="${curOpt}" data-bs-description="${curOpt}">${curOpt}</option></select> `);
          }
          JSON.parse(msg.message).forEach(function (btEntry) {
            //<input type="text" class="form-control bg-success" placeholder="name" hasvalue="true" longopts="sink_name" shortopts="n" checkbox="false" cmdname="cfg-audio-bt_source" id="cfg-audio-bt_source-sink_name" name="cfg-audio-bt_source-sink_name">
            //<select hasvalue="true" longopts="jack_behavior" shortopts="j" checkbox="false" cmdname="cfg-audio-general" id="cfg-audio-general-jack_behavior" name="cfg-audio-general-jack_behavior" class="form-control "><option>--</option><option>Headphones</option><option>Subwoofer</option></select>            
            if (!btExists(btEntry.name)) {
              $("#cfg-audio-bt_source-sink_name").append(`<option>${btEntry.name}</option>`);
              showMessage({ type: msg.type, message: `BT Audio device found: ${btEntry.name} RSSI: ${btEntry.rssi} ` }, msgTime);
            }
            getBTSinkOpt(btEntry.name).attr('data-bs-description', `${btEntry.name} (${btEntry.rssi}dB)`)
              .attr('rssi', btEntry.rssi)
              .attr('value', btEntry.name)
              .text(`${btEntry.name} [${btEntry.rssi}dB]`).trigger('change');

          });
          $(btSinkNamesOptSel).append($(`${btSinkNamesOptSel} option`).remove().sort(function (a, b) {
            console.log(`${parseInt($(a).attr('rssi'))} < ${parseInt($(b).attr('rssi'))} ? `);
            return parseInt($(a).attr('rssi')) < parseInt($(b).attr('rssi')) ? 1 : -1;
          }));
          break;
        default:
          break;
      }
    }
    setTimeout(getMessages,messageInterval);
  }).fail(function (xhr, ajaxOptions, thrownError) {
    
    if (xhr.status == 404) {
      $('.orec').hide(); // system commands won't be available either
      messagesHeld = true;
    }
    else {
      handleExceptionResponse(xhr, ajaxOptions, thrownError);
    }
    if(xhr.status == 0 && xhr.readyState ==0){
      // probably a timeout. Target is rebooting? 
      setTimeout(getMessages,messageInterval*2); // increase duration if a failure happens
    }
    else if(!messagesHeld){
      // 404 here means we rebooted to an old recovery
      setTimeout(getMessages,messageInterval); // increase duration if a failure happens
    }
    
  }
  );

  /*
    Minstk is minimum stack space left
Bprio is base priority
cprio is current priority
nme is name
st is task state. I provided a "typedef" that you can use to convert to text
cpu is cpu percent used
*/
}
function handleRecoveryMode(data) {
  const locRecovery = data.recovery ?? 0;
  if (locRecovery === 1) {
    recovery = true;
    $('.recovery_element').show();
    $('.ota_element').hide();
    $('#boot-button').html('Reboot');
    $('#boot-form').attr('action', '/reboot_ota.json');
  } else {
    if(!recovery && messagesHeld){
      messagesHeld=false;
      setTimeout(getMessages,messageInterval); // increase duration if a failure happens
    }
    recovery = false;
    
    $('.recovery_element').hide();
    $('.ota_element').show();
    $('#boot-button').html('Recovery');
    $('#boot-form').attr('action', '/recovery.json');
  }
  
}

function hasConnectionChanged(data) {
  // gw: "192.168.10.1"
  // ip: "192.168.10.225"
  // netmask: "255.255.255.0"
  // ssid: "MyTestSSID"

  return (data.urc !== ConnectedTo.urc ||
    data.ssid !== ConnectedTo.ssid ||
    data.gw !== ConnectedTo.gw ||
    data.netmask !== ConnectedTo.netmask ||
    data.ip !== ConnectedTo.ip || data.rssi !== ConnectedTo.rssi)
}
function handleWifiDialog(data) {
  if ($('#WifiConnectDialog').is(':visible')) {
    if (ConnectedTo.ip) {
      $('#ipAddress').text(ConnectedTo.ip);
    }
    if (ConnectedTo.ssid) {
      $('#connectedToSSID').text(ConnectedTo.ssid);
    }
    if (ConnectedTo.gw) {
      $('#gateway').text(ConnectedTo.gw);
    }
    if (ConnectedTo.netmask) {
      $('#netmask').text(ConnectedTo.netmask);
    }
    if (ConnectingToSSID.Action === undefined || (ConnectingToSSID.Action && ConnectingToSSID.Action == ConnectingToActions.STS)) {
      $("*[class*='connecting']").hide();
      $('.connecting-status').show();
    }
    if (SystemConfig.ap_ssid) {
      $('#apName').text(SystemConfig.ap_ssid.value);
    }
    if (SystemConfig.ap_pwd) {
      $('#apPass').text(SystemConfig.ap_pwd.value);
    }
    if (!data) {
      return;
    }
    else {
      switch (data.urc) {
        case connectReturnCode.OK:
          if (data.ssid && data.ssid === ConnectingToSSID.ssid) {
            $("*[class*='connecting']").hide();
            $('.connecting-success').show();
            ConnectingToSSID.Action = ConnectingToActions.STS;
          }
          break;
        case connectReturnCode.FAIL:
          // 
          if (ConnectingToSSID.Action != ConnectingToActions.STS && ConnectingToSSID.ssid == data.ssid) {
            $("*[class*='connecting']").hide();
            $('.connecting-fail').show();
          }
          break;
        case connectReturnCode.LOST:

          break;
        case connectReturnCode.RESTORE:
          if (ConnectingToSSID.Action != ConnectingToActions.STS && ConnectingToSSID.ssid != data.ssid) {
            $("*[class*='connecting']").hide();
            $('.connecting-fail').show();
          }
          break;
        case connectReturnCode.DISC:
          // that's a manual disconnect
          // if ($('#wifi-status').is(':visible')) {
          //   $('#wifi-status').slideUp('fast', function() {});
          //   $('span#foot-wifi').html('');

          // }                 
          break;
        default:
          break;
      }
    }

  }
}
function setIcons(offline){
  $('.material-icons').each(function (_index, entry) {
    entry.textContent = entry.attributes[offline?'aria-label':'icon'].value;
  });
}
function handleNetworkStatus(data) {
  setIcons(data.ssid==='');
  if (hasConnectionChanged(data) || !data.urc) {
    ConnectedTo = data;
    $(".if_eth").hide();
    $('.if_wifi').hide();
    if (!data.urc || ConnectedTo.urc != connectReturnCode.ETH) {
      $('.if_wifi').show();
      refreshAPHTML2();
    }
    else {
      $(".if_eth").show();
      refreshETH();
    }

  }
  handleWifiDialog(data);
}



function batteryToIcon(voltage) {
  /* Assuming Li-ion 18650s as a power source, 3.9V per cell, or above is treated
  as full charge (>75% of capacity).  3.4V is empty. The gauge is loosely
  following the graph here:
    https://learn.adafruit.com/li-ion-and-lipoly-batteries/voltages
  using the 0.2C discharge profile for the rest of the values.
*/

  for (const iconEntry of batIcons) {
    for (const entryRanges of iconEntry.ranges) {
      if (inRange(voltage, entryRanges.f, entryRanges.t)) {
        return { label: iconEntry.label, icon:iconEntry.icon};
      }
    }
  }


  return {label:'▪▪▪▪',icon:"battery_full"};
}
function checkStatus() {
  $.ajaxSetup({
    timeout: statusInterval //Time in milliseconds
  });
  $.getJSON('/status.json', function (data) {
    handleRecoveryMode(data);
    handleNVSVisible();
    handleNetworkStatus(data);
    handlebtstate(data);
    flashState.EventTargetStatus(data);

    if (data.project_name && data.project_name !== '') {
      project_name = data.project_name;
    }
    if (data.platform_name && data.platform_name !== '') {
      platform_name = data.platform_name;
    }
    if (board_model === '') board_model = project_name;
    if (board_model === '') board_model = 'Squeezelite-ESP32';
    if (data.version && data.version !== '') {
      versionName = data.version;
      $("#navtitle").html(`${board_model}${recovery ? '<br>[recovery]' : ''}`);
      $('span#foot-fw').html(`fw: <strong>${versionName}</strong>, mode: <strong>${recovery ? "Recovery" : project_name}</strong>`);
    } else {
      $('span#flash-status').html('');
    }
    if (data.Voltage) {
      const bat_icon=batteryToIcon(data.Voltage);
      $('#battery').html(`${getIcon(bat_icon)}`);
      $('#battery').attr("aria-label",bat_icon.label);
      $('#battery').attr("icon",bat_icon.icon);
      $('#battery').show();
    } else {
      $('#battery').hide();
    }
    if ((data.message ?? '') != '' && prevmessage != data.message) {
      // supporting older recovery firmwares - messages will come from the status.json structure
      prevmessage = data.message;
      showLocalMessage(data.message, 'MESSAGING_INFO')
    }
    is_i2c_locked = data.is_i2c_locked;
    if (is_i2c_locked) {
      $('flds-cfg-hw-preset').hide();
    }
    else {
      $('flds-cfg-hw-preset').show();
    }
    $("button[onclick*='handleReboot']").removeClass('rebooting');

    if (typeof lmsBaseUrl == "undefined" || data.lms_ip != prevLMSIP && data.lms_ip && data.lms_port) {
      const baseUrl = 'http://' + data.lms_ip + ':' + data.lms_port;
      prevLMSIP = data.lms_ip;
      $.ajax({
        url: baseUrl + '/plugins/SqueezeESP32/firmware/-check.bin',
        type: 'HEAD',
        dataType: 'text',
        cache: false,
        error: function () {
          // define the value, so we don't check it any more.
          lmsBaseUrl = '';
        },
        success: function () {
          lmsBaseUrl = baseUrl;
        }
      });
    }
    $('#o_jack').css({ display: Number(data.Jack) ? 'inline' : 'none' });
    setTimeout(checkStatus,statusInterval);
  }).fail(function (xhr, ajaxOptions, thrownError) {
    handleExceptionResponse(xhr, ajaxOptions, thrownError);
    if(xhr.status == 0 && xhr.readyState ==0){
      // probably a timeout. Target is rebooting? 
      setTimeout(checkStatus,messageInterval*2); // increase duration if a failure happens
    }
    else {
      setTimeout(checkStatus,messageInterval); // increase duration if a failure happens
    }
  });
}
// eslint-disable-next-line no-unused-vars
window.runCommand = function (button, reboot) {
  let cmdstring = button.attributes.cmdname.value;
  showCmdMessage(
    button.attributes.cmdname.value,
    'MESSAGING_INFO',
    'Executing.',
    false
  );
  const fields = document.getElementById('flds-' + cmdstring);
  const allfields = fields?.querySelectorAll('select,input');
  if (cmdstring === 'cfg-hw-preset') return handleHWPreset(allfields, reboot);
  cmdstring += ' ';
  if (fields) {

    for (const field of allfields) {
      let qts = '';
      let opt = '';
      let attr = field.attributes;
      let isSelect = $(field).is('select');
      const hasValue = attr?.hasvalue?.value === 'true';
      const validVal = (isSelect && field.value !== '--') || (!isSelect && field.value !== '');

      if (!hasValue || hasValue && validVal) {
        if (attr?.longopts?.value !== 'undefined') {
          opt += '--' + attr?.longopts?.value;
        } else if (attr?.shortopts?.value !== 'undefined') {
          opt = '-' + attr.shortopts.value;
        }

        if (attr?.hasvalue?.value === 'true') {
          if (attr?.value !== '') {
            qts = /\s/.test(field.value) ? '"' : '';
            cmdstring += opt + ' ' + qts + field.value + qts + ' ';
          }
        } else {
          // this is a checkbox
          if (field?.checked) {
            cmdstring += opt + ' ';
          }
        }
      }
    }
  }

  console.log(cmdstring);

  const data = {
    timestamp: Date.now(),
  };
  data.command = cmdstring;

  $.ajax({
    url: '/commands.json',
    dataType: 'text',
    method: 'POST',
    cache: false,
    contentType: 'application/json; charset=utf-8',
    data: JSON.stringify(data),
    error: function (xhr, _ajaxOptions, thrownError) {
      var cmd = JSON.parse(this.data).command;
      if (xhr.status == 404) {
        showCmdMessage(
          cmd.substr(0, cmd.indexOf(' ')),
          'MESSAGING_ERROR',
          `${recovery ? 'Limited recovery mode active. Unsupported action ' : 'Unexpected error while processing command'}`,
          true
        );
      }
      else {
        handleExceptionResponse(xhr, _ajaxOptions, thrownError);
        showCmdMessage(
          cmd.substr(0, cmd.indexOf(' ') - 1),
          'MESSAGING_ERROR',
          `Unexpected error ${(thrownError !== '') ? thrownError : 'with return status = ' + xhr.status}`,
          true
        );
      }
    },
    success: function (response) {
      $('.orec').show();
      console.log(response);
      if (
        JSON.parse(response).Result === 'Success' &&
        reboot
      ) {
        delayReboot(2500, button.attributes.cmdname.value);
      }
    },
  });
}
function getLongOps(data, name, longopts) {
  return data.values[name] !== undefined ? data.values[name][longopts] : "";
}
function getCommands() {
  $.ajaxSetup({
    timeout: 7000 //Time in milliseconds
  });
  $.getJSON('/commands.json', function (data) {
    console.log(data);
    $('.orec').show();
    data.commands.forEach(function (command) {
      if ($('#flds-' + command.name).length === 0) {
        const cmdParts = command.name.split('-');
        const isConfig = cmdParts[0] === 'cfg';
        const targetDiv = '#tab-' + cmdParts[0] + '-' + cmdParts[1];
        let innerhtml = '';
        innerhtml += `<div class="card text-white mb-3"><div class="card-header">${command.help.encodeHTML().replace(/\n/g, '<br />')}</div><div class="card-body"><fieldset id="flds-${command.name}">`;
        if (command.argtable) {
          command.argtable.forEach(function (arg) {
            let placeholder = arg.datatype || '';
            const ctrlname = command.name + '-' + arg.longopts;
            const curvalue = getLongOps(data, command.name, arg.longopts);

            let attributes = 'hasvalue=' + arg.hasvalue + ' ';
            attributes += 'longopts="' + arg.longopts + '" ';
            attributes += 'shortopts="' + arg.shortopts + '" ';
            attributes += 'checkbox=' + arg.checkbox + ' ';
            attributes += 'cmdname="' + command.name + '" ';
            attributes +=
              'id="' +
              ctrlname +
              '" name="' +
              ctrlname +
              '" hasvalue="' +
              arg.hasvalue +
              '"   ';
            let extraclass = arg.mincount > 0 ? 'bg-success' : '';
            if (arg.glossary === 'hidden') {
              attributes += ' style="visibility: hidden;"';
            }
            if (arg.checkbox) {
              innerhtml += `<div class="form-check"><label class="form-check-label"><input type="checkbox" ${attributes} class="form-check-input ${extraclass}" value="" >${arg.glossary.encodeHTML()}</label>`;
            } else {
              innerhtml += `<div class="form-group" ><label for="${ctrlname}">${arg.glossary.encodeHTML()}</label>`;
              if (placeholder.includes('|')) {
                extraclass = placeholder.startsWith('+') ? ' multiple ' : '';
                placeholder = placeholder
                  .replace('<', '')
                  .replace('=', '')
                  .replace('>', '');
                innerhtml += `<select ${attributes} class="form-control ${extraclass}" >`;
                placeholder = '--|' + placeholder;
                placeholder.split('|').forEach(function (choice) {
                  innerhtml += '<option >' + choice + '</option>';
                });
                innerhtml += '</select>';
              } else {
                innerhtml += `<input type="text" class="form-control ${extraclass}" placeholder="${placeholder}" ${attributes}>`;
              }
            }

            innerhtml += `${arg.checkbox ? '</div>' : ''}<small class="form-text text-muted">Previous value: ${arg.checkbox ? (curvalue ? 'Checked' : 'Unchecked') : (curvalue || '')}</small>${arg.checkbox ? '' : '</div>'}`;
          });
        }
        innerhtml += `<div style="margin-top: 16px;">
        <div class="toast hide" role="alert" aria-live="assertive" aria-atomic="true" id="toast_${command.name}">
        <div class="toast-header">
        <strong class="mr-auto">Result</strong
          <button type="button" class="btn-close" data-bs-dismiss="toast" aria-label="Close"></button>
        </div>
        <div class="toast-body" id="msg_${command.name}"></div>
      </div>`;
        if (isConfig) {
          innerhtml +=
            `<button type="submit" class="btn btn-info sclk" id="btn-save-${command.name}" cmdname="${command.name}">Save</button>
<button type="submit" class="btn btn-warning cclk" id="btn-commit-${command.name}" cmdname="${command.name}">Apply</button>`;
        } else {
          innerhtml += `<button type="submit" class="btn btn-success sclk" id="btn-run-${command.name}" cmdname="${command.name}">Execute</button>`;
        }
        innerhtml += '</div></fieldset></div></div>';
        if (isConfig) {
          $(targetDiv).append(innerhtml);
        } else {
          $('#commands-list').append(innerhtml);
        }
      }
    });
    $(".sclk").off('click').on('click', function () { runCommand(this, false); });
    $(".cclk").off('click').on('click', function () { runCommand(this, true); });
    data.commands.forEach(function (command) {
      $('[cmdname=' + command.name + ']:input').val('');
      $('[cmdname=' + command.name + ']:checkbox').prop('checked', false);
      if (command.argtable) {
        command.argtable.forEach(function (arg) {
          const ctrlselector = '#' + command.name + '-' + arg.longopts;
          const ctrlValue = getLongOps(data, command.name, arg.longopts);
          if (arg.checkbox) {
            $(ctrlselector)[0].checked = ctrlValue;
          } else {
            if (ctrlValue !== undefined) {
              $(ctrlselector)
                .val(ctrlValue)
                .trigger('change');
            }
            if (
              $(ctrlselector)[0].value.length === 0 &&
              (arg.datatype || '').includes('|')
            ) {
              $(ctrlselector)[0].value = '--';
            }
          }
        });
      }
    });
    loadPresets();
  }).fail(function (xhr, ajaxOptions, thrownError) {
    if (xhr.status == 404) {
      $('.orec').hide();
    }
    else {
      handleExceptionResponse(xhr, ajaxOptions, thrownError);
    }
    $('#commands-list').empty();

  });
}

function getConfig() {
  $.ajaxSetup({
    timeout: 7000 //Time in milliseconds
  });
  $.getJSON('/config.json', function (entries) {
    $('#nvsTable tr').remove();
    const data = (entries.config ? entries.config : entries);
    SystemConfig = data;
    Object.keys(data)
      .sort()
      .forEach(function (key) {
        let val = data[key].value;
        if (key === 'autoexec') {
          if (data.autoexec.value === '0') {
            $('#disable-squeezelite')[0].checked = true;
          } else {
            $('#disable-squeezelite')[0].checked = false;
          }
        } else if (key === 'autoexec1') {
          const re = /-o\s?(["][^"]*["]|[^-]+)/g;
          const m = re.exec(val);
          if (m[1].toUpperCase().startsWith('I2S')) {
            handleTemplateTypeRadio('i2s');
          } else if (m[1].toUpperCase().startsWith('SPDIF')) {
            handleTemplateTypeRadio('spdif');
          } else if (m[1].toUpperCase().startsWith('"BT')) {
            handleTemplateTypeRadio('bt');
          }
        } else if (key === 'host_name') {
          val = val.replaceAll('"', '');
          $('input#dhcp-name1').val(val);
          $('input#dhcp-name2').val(val);
          $('#player').val(val);
          document.title = val;
          hostName = val;
        } else if (key === 'rel_api') {
          releaseURL = val;
        }
        else if (key === 'enable_airplay') {
          $("#s_airplay").css({ display: isEnabled(val) ? 'inline' : 'none' })
        }
        else if (key === 'enable_cspot') {
          $("#s_cspot").css({ display: isEnabled(val) ? 'inline' : 'none' })
        }
        else if (key == 'preset_name') {
          preset_name = val;
        }
        else if (key == 'board_model') {
          board_model = val;
        }

        $('tbody#nvsTable').append(
          '<tr>' +
          '<td>' +
          key +
          '</td>' +
          "<td class='value'>" +
          "<input type='text' class='form-control nvs' id='" +
          key +
          "'  nvs_type=" +
          data[key].type +
          ' >' +
          '</td>' +
          '</tr>'
        );
        $('input#' + key).val(data[key].value);
      });
    $('tbody#nvsTable').append(
      "<tr><td><input type='text' class='form-control' id='nvs-new-key' placeholder='new key'></td><td><input type='text' class='form-control' id='nvs-new-value' placeholder='new value' nvs_type=33 ></td></tr>"
    );
    if (entries.gpio) {
      $('#pins').show();
      $('tbody#gpiotable tr').remove();
      entries.gpio.forEach(function (gpioEntry) {
        $('tbody#gpiotable').append(
          '<tr class=' +
          (gpioEntry.fixed ? 'table-secondary' : 'table-primary') +
          '><th scope="row">' +
          gpioEntry.group +
          '</th><td>' +
          gpioEntry.name +
          '</td><td>' +
          gpioEntry.gpio +
          '</td><td>' +
          (gpioEntry.fixed ? 'Fixed' : 'Configuration') +
          '</td></tr>'
        );
      });
    }
    else {
      $('#pins').hide();
    }
  }).fail(function (xhr, ajaxOptions, thrownError) {
    handleExceptionResponse(xhr, ajaxOptions, thrownError);
  });
}
function showLocalMessage(message, severity) {
  const msg = {
    message: message,
    type: severity,
  };
  showMessage(msg, new Date());
}

function showMessage(msg, msgTime) {
  let color = 'table-success';

  if (msg.type === 'MESSAGING_WARNING') {
    color = 'table-warning';
    if (messageseverity === 'MESSAGING_INFO') {
      messageseverity = 'MESSAGING_WARNING';
    }
  } else if (msg.type === 'MESSAGING_ERROR') {
    if (
      messageseverity === 'MESSAGING_INFO' ||
      messageseverity === 'MESSAGING_WARNING'
    ) {
      messageseverity = 'MESSAGING_ERROR';
    }
    color = 'table-danger';
  }
  if (++messagecount > 0) {
    $('#msgcnt').removeClass('badge-success');
    $('#msgcnt').removeClass('badge-warning');
    $('#msgcnt').removeClass('badge-danger');
    $('#msgcnt').addClass(pillcolors[messageseverity]);
    $('#msgcnt').text(messagecount);
  }

  $('#syslogTable').append(
    "<tr class='" +
    color +
    "'>" +
    '<td>' +
    msgTime.toLocalShort() +
    '</td>' +
    '<td>' +
    msg.message.encodeHTML() +
    '</td>' +
    '</tr>'
  );
}

function inRange(x, min, max) {
  return (x - min) * (x - max) <= 0;
}

function sleep(ms) {
  return new Promise(resolve => setTimeout(resolve, ms));
}