// Released under the MIT/X11 license
// http://www.opensource.org/licenses/mit-license.php


// END OF CONSTANTS

var btSnippet = null;

function MozOnMessageHandler(msg, nextHandler) {
  switch (msg.cmd) {
  case "Error":
    alert("Error " + msg.data);
    break;
  case "Unhandled":
    break;
  default:
    if (nextHandler) {
      var nextHandler = nextHandlerList.splice(0, 1);
      if (nextHandler[0]) {
        nextHandler[0](msg, nextHandlerList);
      }
    }
    else {
      console.error("Error: unknown RPC call " + msg.toSource());
    }
  break;
  }
}

// MozBugzillaPage object
function collectFlags() {
  var flags = {};
  var tdColumn2 = document.getElementById("bz_show_bug_column_2");
  var flag_selects = tdColumn2.querySelectorAll("td.field_value select");
  Array.forEach(flag_selects, function(sel) {
    var label = tdColumn2.querySelector("label[for='" + sel.id + "']");
    if (label) {
      var key = label.textContent.trim().replace(/\s*:?$/,"");
      flags[key] = sel.id;
    }
  });
  return flags;
}

function changeFlag(flags, label, newValue) {
  selectOption(flags[label], newValue);
}

/**
 * Additional commands specific for this subclass, overriding superclass one.
 */
function MozCentralCommandDispatch(cmdLabel, cmdParams) {
  switch (cmdLabel) {
  // Set up our own commands
  case "setFlag":
    changeFlag(mozFlags, cmdParams, "+");
    break;
  case "unsetFlag":
    changeFlag(mozFlags, cmdParams, "-");
    break;
  case "clearFlag":
    changeFlag(mozFlags, cmdParams, "---");
    break;
  // FIXME what is the meaning of value == "?"
  default:
    console.error("Unknown command:\n" + cmdLabel + "\nparameters:\n" + cmdParams);
  break;
  }
}


var mozFlags = collectFlags();
console.log("mozFlags = " + mozFlags.toSource());