var grblSettingCodes = {
  0: "Step pulse time, microseconds",
  1: "Step idle delay, milliseconds",
  2: "Step pulse invert, mask",
  3: "Step direction invert, mask",
  4: "Invert step enable pin, boolean",
  5: "Invert limit pins, boolean",
  6: "Invert probe pin, boolean",
  10: "Status report options, mask",
  11: "Junction deviation, millimeters",
  12: "Arc tolerance, millimeters",
  13: "Report in inches, boolean",
  20: "Soft limits enable, boolean",
  21: "Hard limits enable, boolean",
  22: "Homing cycle enable, boolean",
  23: "Homing direction invert, mask",
  24: "Homing locate feed rate, mm/min",
  25: "Homing search seek rate, mm/min",
  26: "Homing switch debounce delay, milliseconds",
  27: "Homing switch pull-off distance, millimeters",
  30: "Maximum spindle speed, RPM",
  31: "Minimum spindle speed, RPM",
  32: "Laser-mode enable, boolean",
  100: "X-axis steps per millimeter",
  101: "Y-axis steps per millimeter",
  102: "Z-axis steps per millimeter",
  110: "X-axis maximum rate, mm/min",
  111: "Y-axis maximum rate, mm/min",
  112: "Z-axis maximum rate, mm/min",
  120: "X-axis acceleration, mm/sec^2",
  121: "Y-axis acceleration, mm/sec^2",
  122: "Z-axis acceleration, mm/sec^2",
  130: "X-axis maximum travel, millimeters",
  131: "Y-axis maximum travel, millimeters",
  132: "Z-axis maximum travel, millimeters"
};

function grblSettings(data) {
  console.log(data)
  var template = ``
  grblconfig = data.split('\n')
  for (i = 0; i < grblconfig.length; i++) {
    var key = grblconfig[i].split('=')[0];
    var param = grblconfig[i].split('=')[1]
    grblParams[key] = param
  }
  // $('#grblconfig').show();
  // grblPopulate();
  // $('#grblSaveBtn').removeAttr('disabled');
  // $('#grblFirmwareBtn').removeAttr('disabled');
  $('#grblSettings').show()
}

function grblPopulate() {
  $('#grblconfig').show();
  $('#grblconfig').empty();
  var template = `
        <form id="grblSettingsTable">
        <table data-role="table" class="table compact striped row-hover row-border" data-show-rows-steps="false" data-rows="200" data-show-pagination="false" data-show-table-info="false">
        <thead>
          <tr>
              <td>Key</th>
              <th class="sortable-column" data-format="number"></th>
              <th class="sortable-column">Parameter</th>
              <th>Value</th>
              <th></th>
          </tr>
        </thead>

        <tbody>
        <tr><td>$</td><td>0</td><td>Step pulse time, microseconds</td><td><input type="text" value="` + grblParams['$0'] + `" id="val-` + 0 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>1</td><td>Step idle delay, milliseconds</td><td><input type="text" value="` + grblParams['$1'] + `" id="val-` + 1 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>2</td>
        <td>Step pulse invert</td>
        <td>
        <select id="val-` + 2 + `-input" value="` + grblParams['$2'] + `">
        <option value="0">[0] X:&#9898; Y:&#9898; Z:&#9898;</option>
        <option value="1">[1] X:&#9899; Y:&#9898; Z:&#9898;</option>
        <option value="2">[2] X:&#9898; Y:&#9899; Z:&#9898;</option>
        <option value="3">[3] X:&#9898; Y:&#9898; Z:&#9899;</option>
        <option value="4">[4] X:&#9899; Y:&#9899; Z:&#9898;</option>
        <option value="5">[5] X:&#9899; Y:&#9898; Z:&#9899;</option>
        <option value="6">[6] X:&#9898; Y:&#9899; Z:&#9899;</option>
        <option value="7">[7] X:&#9899; Y:&#9899; Z:&#9899;</option>
        </select>
        </td>
        <td></td>
        </tr>
        <tr><td>$</td><td>3</td><td>Step direction invert</td><td><select id="val-` + 3 + `-input" value="` + grblParams['$3'] + `">
        <option value="0">[0] X:&#9898; Y:&#9898; Z:&#9898;</option>
        <option value="1">[1] X:&#9899; Y:&#9898; Z:&#9898;</option>
        <option value="2">[2] X:&#9898; Y:&#9899; Z:&#9898;</option>
        <option value="3">[3] X:&#9898; Y:&#9898; Z:&#9899;</option>
        <option value="4">[4] X:&#9899; Y:&#9899; Z:&#9898;</option>
        <option value="5">[5] X:&#9899; Y:&#9898; Z:&#9899;</option>
        <option value="6">[6] X:&#9898; Y:&#9899; Z:&#9899;</option>
        <option value="7">[7] X:&#9899; Y:&#9899; Z:&#9899;</option>
        </select></td><td></td></tr>
        <tr><td>$</td><td>4</td><td>Invert step enable pin</td><td><select id="val-` + 4 + `-input" value="` + grblParams['$4'] + `"><option value="0">&#x2717; Disable</option><option value="1">&#x2713; Enable</option></select></td><td></td></tr>
        <tr><td>$</td><td>5</td><td>Invert limit pins</td><td><select id="val-` + 5 + `-input" value="` + grblParams['$5'] + `"><option value="0">&#x2717; Disable</option><option value="1">&#x2713; Enable</option></select></td><td></td></tr>
        <tr><td>$</td><td>6</td><td>Invert probe pin</td><td><select id="val-` + 6 + `-input" value="` + grblParams['$6'] + `"><option value="0">&#x2717; Disable</option><option value="1">&#x2713; Enable</option></select></td><td></td></tr>
        <tr><td>$</td><td>10</td><td>Status report options</td><td><select id="val-` + 10 + `-input" value="` + grblParams['$10'] + `">
          <option value="0">[0] WPos:&#9899; MPos:&#9898; Buf:&#9898;</option>
          <option value="1">[1] WPos:&#9898; MPos:&#9899; Buf:&#9898;</option>
          <option value="2">[2] WPos:&#9899; MPos:&#9898; Buf:&#9899;</option>
        </select></td><td></td></tr>
        <tr><td>$</td><td>11</td><td>Junction deviation, millimeters</td><td><input type="text" value="` + grblParams['$11'] + `" id="val-` + 11 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>12</td><td>Arc tolerance, millimeters</td><td><input type="text" value="` + grblParams['$12'] + `" id="val-` + 12 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>13</td><td>Report in inches</td><td><select id="val-` + 13 + `-input" value="` + grblParams['$13'] + `"><option value="0">&#9898; Disable</option><option value="1">&#9899; Enable</option></select></td><td></td></tr>

        <tr><td>$</td><td>20</td><td>Soft limits enable <small>(Enable and Save Homing first before enabling)<small></td><td><select id="val-` + 20 + `-input" value="` + grblParams['$20'] + `"><option value="0">&#x2717; Disable</option><option value="1">&#x2713; Enable</option></select></td><td></td></tr>
        <tr><td>$</td><td>21</td><td>Hard limits enable</td><td><select id="val-` + 21 + `-input" value="` + grblParams['$21'] + `"><option value="0">&#x2717; Disable</option><option value="1">&#x2713; Enable</option></select></td><td></td></tr>
        <tr><td>$</td><td>22</td><td>Homing cycle enable</td><td><select id="val-` + 22 + `-input" value="` + grblParams['$22'] + `"><option value="0">&#x2717; Disable</option><option value="1">&#x2713; Enable</option></select></td><td></td></tr>
        <tr><td>$</td><td>23</td><td>Homing direction invert</td><td><select id="val-` + 23 + `-input" value="` + grblParams['$23'] + `">
          <option value="0">[0] X:&#9898; Y:&#9898; Z:&#9898;</option>
          <option value="1">[1] X:&#9899; Y:&#9898; Z:&#9898;</option>
          <option value="2">[2] X:&#9898; Y:&#9899; Z:&#9898;</option>
          <option value="3">[3] X:&#9898; Y:&#9898; Z:&#9899;</option>
          <option value="4">[4] X:&#9899; Y:&#9899; Z:&#9898;</option>
          <option value="5">[5] X:&#9899; Y:&#9898; Z:&#9899;</option>
          <option value="6">[6] X:&#9898; Y:&#9899; Z:&#9899;</option>
          <option value="7">[7] X:&#9899; Y:&#9899; Z:&#9899;</option>
        </select></td><td></td></tr>
        <tr><td>$</td><td>24</td><td>Homing locate feed rate, mm/min</td><td><input type="text" value="` + grblParams['$24'] + `" id="val-` + 24 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>25</td><td>Homing search seek rate, mm/min</td><td><input type="text" value="` + grblParams['$25'] + `" id="val-` + 25 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>26</td><td>Homing switch debounce delay, milliseconds</td><td><input type="text" value="` + grblParams['$26'] + `" id="val-` + 26 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>27</td><td>Homing switch pull-off distance, millimeters</td><td><input type="text" value="` + grblParams['$27'] + `" id="val-` + 27 + `-input"></td><td></td></tr>

        <tr><td>$</td><td>30</td><td>Maximum spindle speed, RPM</td><td><input type="text" value="` + grblParams['$30'] + `" id="val-` + 30 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>31</td><td>Minimum spindle speed, RPM</td><td><input type="text" value="` + grblParams['$31'] + `" id="val-` + 31 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>32</td><td>Laser-mode enable</td><td><select id="val-` + 32 + `-input" value="` + grblParams['$32'] + `"><option value="0">&#x2717; Disable</option><option value="1">&#x2713; Enable</option></select></td><td></td></tr>

        <tr><td>$</td><td>100</td><td>X-axis steps per millimeter</td><td><input type="text" value="` + grblParams['$100'] + `" id="val-` + 100 + `-input"></td><td><button class="button" type="button" onclick="xstepspermm()"><i class="fas fa-calculator"></i></button></td></tr>
        <tr><td>$</td><td>101</td><td>Y-axis steps per millimeter</td><td><input type="text" value="` + grblParams['$101'] + `" id="val-` + 101 + `-input"></td><td><button class="button" type="button" onclick="ystepspermm()"><i class="fas fa-calculator"></i></button></td></tr>
        <tr><td>$</td><td>102</td><td>Z-axis steps per millimeter</td><td><input type="text" value="` + grblParams['$102'] + `" id="val-` + 102 + `-input"></td><td><button class="button" type="button" onclick="zstepspermm()"><i class="fas fa-calculator"></i></button></td></tr>

        <tr><td>$</td><td>110</td><td>X-axis maximum rate, mm/min</td><td><input type="text" value="` + grblParams['$110'] + `" id="val-` + 110 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>111</td><td>Y-axis maximum rate, mm/min</td><td><input type="text" value="` + grblParams['$111'] + `" id="val-` + 111 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>112</td><td>Z-axis maximum rate, mm/min</td><td><input type="text" value="` + grblParams['$112'] + `" id="val-` + 112 + `-input"></td><td></td></tr>

        <tr><td>$</td><td>120</td><td>X-axis acceleration, mm/sec<sup>2</sup></td><td><input type="text" value="` + grblParams['$120'] + `" id="val-` + 120 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>121</td><td>Y-axis acceleration, mm/sec<sup>2</sup></td><td><input type="text" value="` + grblParams['$121'] + `" id="val-` + 121 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>122</td><td>Z-axis acceleration, mm/sec<sup>2</sup></td><td><input type="text" value="` + grblParams['$122'] + `" id="val-` + 122 + `-input"></td></td><td></td></tr>

        <tr><td>$</td><td>130</td><td>X-axis maximum travel, millimeters</td><td><input type="text" value="` + grblParams['$130'] + `" id="val-` + 130 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>131</td><td>Y-axis maximum travel, millimeters</td><td><input type="text" value="` + grblParams['$131'] + `" id="val-` + 131 + `-input"></td><td></td></tr>
        <tr><td>$</td><td>132</td><td>Z-axis maximum travel, millimeters</td><td><input type="text" value="` + grblParams['$132'] + `" id="val-` + 132 + `-input"></td><td></td></tr>

        </tbody>
        </table>
        </form>
      </div>
  </div>`

  $('#grblconfig').append(template)
  setTimeout(function() {
    $("#val-32-input").val(parseInt(grblParams['$32'])).trigger("change");
    $("#val-20-input").val(parseInt(grblParams['$20'])).trigger("change");
    $("#val-21-input").val(parseInt(grblParams['$21'])).trigger("change");
    $("#val-22-input").val(parseInt(grblParams['$22'])).trigger("change");
    $("#val-23-input").val(parseInt(grblParams['$23'])).trigger("change");
    $("#val-5-input").val(parseInt(grblParams['$5'])).trigger("change");
    $("#val-6-input").val(parseInt(grblParams['$6'])).trigger("change");
    $("#val-2-input").val(parseInt(grblParams['$2'])).trigger("change");
    $("#val-3-input").val(parseInt(grblParams['$3'])).trigger("change");
    $("#val-4-input").val(parseInt(grblParams['$4'])).trigger("change");
    $("#val-10-input").val(parseInt(grblParams['$10'])).trigger("change");
  }, 100);;

  $('#grblSettingsTable').on('keyup paste click', 'input, select', function() {
    checkifchanged()
  });
  $('#grblSettingsBadge').hide();
}

function checkifchanged() {
  var hasChanged = false;
  for (var key in grblParams) {
    if (grblParams.hasOwnProperty(key)) {
      var j = key.substring(1)
      var newVal = $("#val-" + j + "-input").val();
      // Only send values that changed
      if (parseFloat(newVal) != parseFloat(grblParams[key])) {
        hasChanged = true;
      }
    }
  }
  if (hasChanged) {
    $('#grblSettingsBadge').fadeIn('slow');
    $('#saveBtn').attr('disabled', false).removeClass('disabled');
    $('#saveBtnIcon').removeClass('fg-gray').addClass('fg-grayBlue');
  } else {
    $('#grblSettingsBadge').fadeOut('slow');
    $('#saveBtn').attr('disabled', true).addClass('disabled');
    $('#saveBtnIcon').removeClass('fg-grayBlue').addClass('fg-gray');
  }
}


function grblSaveSettings() {
  for (var key in grblParams) {
    if (grblParams.hasOwnProperty(key)) {
      var j = key.substring(1)
      var newVal = $("#val-" + j + "-input").val();
      // Only send values that changed
      if (parseFloat(newVal) != parseFloat(grblParams[key])) {
        console.log(key + ' was ' + grblParams[key] + ' but now, its ' + newVal);
        sendGcode(key + '=' + newVal);
      }
    }
  }
  grblParams = {};

  Metro.dialog.create({
    title: "Configuration Updated. Reset Grbl?",
    content: "<div>Some changes in the Grbl Configuration only take effect after a restart/reset of the controller. Would you like to Reset the controller now?</div>",
    actions: [{
        caption: "Yes",
        cls: "js-dialog-close secondary",
        onclick: function() {
          setTimeout(function() {
            sendGcode(String.fromCharCode(0x18));
            setTimeout(function() {
              refreshGrblSettings()
            }, 1000);
          }, 400);
        }
      },
      {
        caption: "Later",
        cls: "js-dialog-close",
        onclick: function() {
          console.log("Do nothing")
          refreshGrblSettings();
        }
      }
    ]
  });
  $('#grblSettingsBadge').hide();
}

function refreshGrblSettings() {
  grblParams = {};
  $('#grblconfig').empty();
  $('#grblconfig').append("<center>Please Wait... </center><br><center>Requesting updated parameters from the controller firmware...</center>");
  setTimeout(function() {
    sendGcode('$$');
    setTimeout(function() {
      grblPopulate();
    }, 500);
  }, 50);

}