/* globals Components, req */
if ("undefined" == typeof PandoraChrome) {
  var PandoraChrome = {};
  var prefManager = Components.classes["@mozilla.org/preferences-service;1"]
    .getService(Components.interfaces.nsIPrefService)
    .getBranch("pandora.");

  var timer = null;
  var allEvents = new Array();
  var newEvents = new Array();
  var oldEvents = new Array();
  var api_div_numbers = 21;
}

PandoraChrome.fn = (function() {
  return {
    displaySideBar: function() {
      PandoraChrome.fn.hideNotification();
      PandoraChrome.fn.hideBadge();
      toggleSidebar("viewPandoraSidebar");
    },
    displayDialog: function() {
      window
        .openDialog(
          "chrome://pandorasidebar/content/options.xul",
          "",
          "chrome, centerscreen, dialog, modal, resizable=no",
          null
        )
        .focus();
    },
    handleClick: function(e) {
      if (e.button == 0) {
        toggleSidebar("viewPandoraSidebar");
        PandoraChrome.fn.setIcon("icon16");
      }
    },

    Onloading: function() {
      if (prefManager.getBoolPref("firstLoad")) {
        prefManager.setIntPref("new_events", prefManager.getIntPref("events"));
        prefManager.setBoolPref("firstLoad", false);
      }

      if (timer) {
        clearTimeout(timer);
      }
      timer = setTimeout(PandoraChrome.fn.main, 100);
    },

    main: function() {
      // alert('test_main');
      var url =
        prefManager.getCharPref("ip_address") +
        "/include/api.php?op=get&op2=events&return_type=json";
      var feedUrl = url;
      var data = new FormData();

      data.append("apipass", prefManager.getCharPref("api_pass"));
      data.append("user", prefManager.getCharPref("user_name"));
      data.append("pass", prefManager.getCharPref("pass"));

      prefManager.setBoolPref("data_check", true);
      req = new XMLHttpRequest();
      req.onload = PandoraChrome.fn.handleResponse;
      req.onerror = PandoraChrome.fn.handleError;
      req.open("POST", feedUrl, true);
      req.send(data);
    },

    handleError: function() {
      //alert("error");
      prefManager.setCharPref("data", null);
      prefManager.setBoolPref("data_check", false);
      if (timer) {
        clearTimeout(timer);
      }
      timer = setTimeout(PandoraChrome.fn.main, 1000);
    },

    handleResponse: function() {
      var doc = req.responseText;
      if (doc == "auth error") {
        prefManager.setCharPref("data", null);
        prefManager.setBoolPref("data_check", false);
        if (timer) {
          clearTimeout(timer);
        }
        timer = setTimeout(PandoraChrome.fn.main, 1000);
      } else {
        var n = doc.search("404 Not Found");
        if (n > 0) {
          prefManager.setCharPref("data", null);
          prefManager.setBoolPref("data_check", false);
          if (timer) {
            clearTimeout(timer);
          }
          timer = setTimeout(PandoraChrome.fn.main, 1000);
        } else {
          prefManager.setBoolPref("data_check", true);

          prefManager.setCharPref("data", doc);
          PandoraChrome.fn.getEvents(doc);
        }
      }
    },

    getEvents: function(reply) {
      if (reply.length > 100) {
        all_event_array = reply.split("\n");
        allEvents = PandoraChrome.fn.divideArray(all_event_array);
        if (oldEvents.length == 0) {
          oldEvents = allEvents;
        }

        newEvents = PandoraChrome.fn.fetchNewEvents(allEvents, oldEvents);
        if (newEvents.length != 0) {
          for (var k = 0; k < newEvents.length; k++) {
            var temp = prefManager.getIntPref("new_events") + 1;
            prefManager.setIntPref("new_events", temp);
            PandoraChrome.fn.showNotification(k);
            PandoraChrome.fn.showBadge(prefManager.getIntPref("new_events"));
          }
        }
        oldEvents = allEvents;
        if (prefManager.getIntPref("new_events") > 0) {
          PandoraChrome.fn.showBadge(prefManager.getIntPref("new_events"));
        } else {
          PandoraChrome.fn.hideBadge();
        }

        if (timer) {
          clearTimeout(timer);
        }
        timer = setTimeout(
          PandoraChrome.fn.main,
          prefManager.getIntPref("refresh") * 1000
        );
      }
    },

    showNotification: function(eventId) {
      //alert("notify"+eventId);
      if (prefManager.getBoolPref("sound_alert")) {
        if (newEvents[eventId][19] == "Critical") {
          Sounds.playSound(prefManager.getIntPref("critical"));
        }
        if (newEvents[eventId][19] == "Informational") {
          Sounds.playSound(prefManager.getIntPref("informational"));
        }
        if (newEvents[eventId][19] == "Maintenance") {
          Sounds.playSound(prefManager.getIntPref("maintenance"));
        }
        if (newEvents[eventId][19] == "Normal") {
          Sounds.playSound(prefManager.getIntPref("normal"));
        }
        if (newEvents[eventId][19] == "Warning") {
          Sounds.playSound(prefManager.getIntPref("warning"));
        }
      }

      var newEve = document.getElementById("newEvent");
      newEve.label = "Last Event : " + newEvents[eventId][6];
      var id;
      if (newEvents[eventId][9] == 0) {
        id = ".";
      } else {
        id = " in the module with Id " + newEvents[eventId][9] + ".";
      }

      var event =
        newEvents[eventId][14] +
        " : " +
        newEvents[eventId][17] +
        ". Event occured at " +
        newEvents[eventId][5] +
        id;
      newEve.tooltipText = event;
      $("#newEvent").show();
      return;
    },

    hideNotification: function() {
      //alert("Hide Notif");
      $("#newEvent").hide();
    },

    showBadge: function(txt) {
      //alert(txt);
      var updateCount = document.getElementById("temp");
      updateCount.setAttribute(
        "style",
        "cursor:pointer; font-size:11px; color:#123863; font-weight:bold; display:none;"
      );
      updateCount.label = txt;
      $("#temp").show();
    },

    hideBadge: function() {
      var updateCount = document.getElementById("temp");
      //alert("hide B");
      $("#temp").hide();
    },

    divideArray: function(e_array) {
      var Events = new Array();
      for (var i = 0; i < e_array.length; i++) {
        var event = e_array[i].split(";");
        Events.push(event);
      }
      return Events;
    },

    fetchNewEvents: function(A, B) {
      var arrDiff = new Array();
      // alert(A.length);
      //alert(B.length);
      for (var i = 0; i < A.length; i++) {
        var id = false;
        for (var j = 0; j < B.length; j++) {
          if (A[i][0] == B[j][0]) {
            id = true;
            break;
          }
        }
        if (!id) {
          arrDiff.push(A[i]);
        }
      }
      return arrDiff;
    },

    getNotification: function(eventId) {
      var title = newEvents[eventId][6];
      var id;
      if (newEvents[eventId][9] == 0) {
        id = ".";
      } else {
        id = " in the module with Id " + newEvents[eventId][9] + ".";
      }

      var event =
        newEvents[eventId][14] +
        " : " +
        newEvents[eventId][17] +
        ". Event occured at " +
        newEvents[eventId][5] +
        id;
      //var event=newEvents[eventId][14]+' '+newEvents[eventId][17]+' Event occured at:'+ newEvents[eventId][5] +'in the module with Id '+ newEvents[eventId][9];
      return (
        "<a>" +
        title +
        '</a> <br/> <span style="font-size:80%">' +
        event +
        "</span>"
      );
    }
  };
})();

/* Add Event Listener */
window.addEventListener("load", PandoraChrome.fn.Onloading(), false);