var original_command = "";

function parse_alert_command(command, classs) {
  if (classs == "recovery") {
    classs = "fields_recovery";
  } else {
    classs = "fields";
  }

  var nfield = 1;
  $("." + classs).each(function() {
    // Only render values different from ''
    if ($(this).val() == "") {
      nfield++;

      return;
    }
    var field = "_field" + nfield + "_";

    var regex = new RegExp(field, "gi");

    command = command.replace(regex, $(this).val());

    nfield++;
  });

  return command;
}

function render_command_preview(original_command) {
  $("#textarea_command_preview").text(
    parse_alert_command(original_command, "")
  );
}

function render_command_recovery_preview(original_command) {
  $("#textarea_command_recovery_preview").text(
    parse_alert_command(original_command, "recovery")
  );
}

function render_command_description(command_description) {
  if (command_description != "") {
    command_description = "<br>" + command_description;
  }
  $("#command_description").html(command_description);
}