(function () {

    "use strict";

    angular.module("enrDetailsPaneModule")
           .directive("detailsCandidateSummary", [function () {
               return {
                   templateUrl: "Scripts/EnrAngular/EnrDetailsPane/detailsCandidateSummary.html",
                   scope: { },
                   controller: "detailsCandidateSummaryController",
                   restrict: "E"
               };
           }])

           .controller("detailsCandidateSummaryController", ["$scope", "$rootScope", "$filter", "detailsViewModeManager", "enrModeManager", "mapSelectedRegion", "detailsData", "participationCalculator", "regionsJsonParser", "officeJsonRegionFilter", "primaryService", "gradientService", "sortDataService", function ($scope,$rootScope, $filter, detailsViewModeManager, enrModeManager, mapSelectedRegion, detailsData, participationCalculator, regionsJsonParser, officeJsonRegionFilter, primaryService, gradientService, sortDataService) {
      
               // Visibility Handling
               var determineVisibility = function () {
                   var isOfficeMode = enrModeManager.isOfficeMode();
                   var summaryTabWithNoRegionSelected = !mapSelectedRegion.isAnyRegionSelected() && detailsViewModeManager.isSummaryMode();
                   var isParticipatingRegionSelected = mapSelectedRegion.isAnyRegionSelected() && participationCalculator.isOfficesRegionParticipating(detailsData.getData(), mapSelectedRegion.getSelectedRegionProperties());
                   var isVisible = isOfficeMode && (isParticipatingRegionSelected || summaryTabWithNoRegionSelected);

                   return isVisible ? "" : "hidden";
               };
               $scope.componentVisible = determineVisibility();
               $scope.$on(detailsViewModeManager.modeChangeEventName, function () {
                   $scope.componentVisible = determineVisibility();
                if ($rootScope.OFFICE_CATEGORY_TYPE == "Local") {
                    $scope.componentVisible = "hidden";
                   }
               });
               $scope.$on(enrModeManager.modeChangeEventName, function () {
                   $scope.componentVisible = determineVisibility();
               });
               $scope.$on(mapSelectedRegion.regionChangeEventName, function () {
                   $scope.componentVisible = determineVisibility();
               });
               $scope.$on(detailsData.dataChangedEventName, function () {
                   $scope.componentVisible = determineVisibility();
                   if (enrModeManager.isOfficeMode() && detailsData.isDataPresent() && $rootScope.OFFICE_CATEGORY_TYPE != "Local")
                       refreshDataBindings();
               });

               // Data Population
               var getBindableRaceListFromRaceJson = function (raceListJson, isFromSummaryNode) {
          
                   var raceList = [];
                   var isPrimary = primaryService.getIsPrimary();
                   var selectedPartyCode = primaryService.getSelectedParty();

                   for (var i = 0; i < raceListJson.length; i++) {
                       var curRaceJson = raceListJson[i];
                       var newRaceListItem = { raceName: curRaceJson.OFFICE_TITLE, candidateList: [] };

                       var candidateListJson = curRaceJson.Candidates.Candidate;
                       if (candidateListJson.length === undefined)
                           candidateListJson = [candidateListJson];

                       for (var j = 0; j < candidateListJson.length; j++) {
                           var curCandidateJson = candidateListJson[j];
                           var partyCode = isFromSummaryNode ? curCandidateJson.PARTY : curCandidateJson.PARTY_ABBREV;

                           // In primary mode, we only show members of the currently selected party.
                           if (isPrimary && partyCode !== selectedPartyCode)
                               continue;

                           var newCandidateListItem = {
                               name: curCandidateJson.NAME_ON_BALLOT,
                               nameLast: curCandidateJson.CandidateName,
                               partyLetter: partyCode,
                               partyColor: curCandidateJson.DISPLAY_COLOR,
                               votes: isFromSummaryNode ? curCandidateJson.TOTAL : curCandidateJson.TOTAL_VOTES,
                               winner: curCandidateJson.isWinner,
                               order: sortDataService.getOrdrerNumber(partyCode)
                           }

                           if (isPrimary && !gradientService.isCurOfficeExcludedFromGradients()) {
                               // Depending on the source of the JSON, we may have to manually grab gradient color
                               if (!curCandidateJson.GRADIENT_COLOR) {
                                   var candidateInfoWithGradients = gradientService.getGradientsByParty(curCandidateJson.DISPLAY_COLOR);
                                   try{
                                       curCandidateJson.GRADIENT_COLOR = candidateInfoWithGradients!=undefined? $filter("filter")(candidateInfoWithGradients, { NAME_ON_BALLOT: curCandidateJson.NAME_ON_BALLOT })[0].GRADIENT_COLOR : '';
                                   }
                                   catch (e) {
                                       curCandidateJson.GRADIENT_COLOR = '';
                                   }
                               }

                               newCandidateListItem.gradientColor = curCandidateJson.GRADIENT_COLOR;
                           }

                           newRaceListItem.candidateList.push(newCandidateListItem);
                       }

                       if (newRaceListItem.candidateList.length > 0) {
                           //newRaceListItem.candidateList = sortDataService.sortCandiatesByParty(newRaceListItem.candidateList, 'order', 'votes', 'nameLast');
                           raceList.push(newRaceListItem);
                       }                    
                   }

                   // Percentages
                   for (var i = 0; i < raceList.length; i++) {
                       var curRaceItem = raceList[i];

                       var totalVotes = 0;
                       for (var k = 0; k < curRaceItem.candidateList.length; k++)
                           totalVotes += curRaceItem.candidateList[k].votes;
                       for (var k = 0; k < curRaceItem.candidateList.length; k++)
                           curRaceItem.candidateList[k].percentage = totalVotes !== 0 ? curRaceItem.candidateList[k].votes / totalVotes : 0;
                   }

                   return raceList;
               }

            

               var getStatewideRaceListFromOffCatJson = function (offCatJson) {
                   var raceList = [];

                   var isValidStatewideRaceData =
                       offCatJson.StatewideSummary !== undefined && offCatJson.StatewideSummary !== null &&
                       offCatJson.StatewideSummary.Race !== undefined && offCatJson.StatewideSummary.Race !== null;

                   if (isValidStatewideRaceData) {
                       var raceListJson = offCatJson.StatewideSummary.Race;
                       if (raceListJson.length === undefined)
                           raceListJson = [raceListJson];

                       raceList = getBindableRaceListFromRaceJson(raceListJson, true);
                   }

                   return raceList;
               }
               var getRegionalRaceListFromOffCatJson = function (offCatJson, regionProperties) {
                   var raceList = [];

                   var isValidRegionsData = regionsJsonParser.validOfficesRegionsJsonExist(offCatJson);
                   if (isValidRegionsData) {
                       var regionsJson = regionsJsonParser.getOfficesRegionsJsonAsArray(offCatJson);
                       var filteredRegionNodes = officeJsonRegionFilter.getRegionNodes(detailsData.getData(), regionProperties);

                       if (filteredRegionNodes.length > 0) {
                           var regionNode = filteredRegionNodes[0];
                           var isLocalityBased = regionNode.MAP_JURISDICTION_TYPE === "Locality";
                           var raceParentNode = isLocalityBased ? regionNode.Races : regionNode.RegionSummary;
                           var raceListJson = raceParentNode.Race;
                           if (raceListJson.length === undefined)
                               raceListJson = [raceListJson];

                           raceList = getBindableRaceListFromRaceJson(raceListJson, !isLocalityBased);
                       }
                   }

                   return raceList;
               }
               var refreshDataBindings = function () {
                   var raceList;
                   var offCatJson = detailsData.getData();

                   if (mapSelectedRegion.isAnyRegionSelected())
                       raceList = getRegionalRaceListFromOffCatJson(offCatJson, mapSelectedRegion.getSelectedRegionProperties());
                   else
                       raceList = getStatewideRaceListFromOffCatJson(offCatJson);

                   $scope.raceList = raceList;
                   angular.element("#candidateDetailsScroll")[0].scrollTop = 0;
               }

               $scope.$on(mapSelectedRegion.regionChangeEventName, function () {
                   if (enrModeManager.isOfficeMode() && detailsData.isDataPresent())
                       refreshDataBindings();
               });
               $scope.$on("SELECTED_PARTY_CHANGED", function () {
                   if (enrModeManager.isOfficeMode() && detailsData.isDataPresent())
                       refreshDataBindings();
               });
               $scope.candidateTitleText = function () {
                   var isVisible = $scope.raceList !== undefined && $scope.raceList !== null &&
                       $scope.raceList.length <= 1;

                   return isVisible ? "Candidates" : "";
               }
           }]);

}());