/* global ngapp, xelib, registerPatcher */
let knownDeathItemsAnimals, knownDeathItemsMonsters;
let allowedFactions = ['BearFaction', 'ChickenFaction', 'CreatureFaction', 'DogFaction', 'FarmAnimalsFaction', 'GoatFaction', 'HareFaction', 'HorkerFaction', 'MammothFaction', 'PredatorFaction', 'PreyFaction', 'SabreCatFaction', 'SkeeverFaction', 'WolfFaction'];
let forbiddenFactions = ['DaedraFaction', 'DLC1UndeadGuardianFaction', 'DragonPriestFaction', 'DraugrFaction', 'DremoraFaction', 'DwarvenAutomatonFaction', 'FalmerFaction', 'GiantFaction', 'HagravenFaction', 'IceWraithFaction', 'SkeletonFaction', 'VampireFaction', 'WispFaction'];

let loadKnownDeathItemsAnimals = function() {
    let elements = xelib.GetElements(0, 'Hunterborn.esp\\FLST\\_DS_FL_DeathItems\\FormIDs');
    knownDeathItemsAnimals = elements.map(element => xelib.GetValue(element));
};

let loadKnownDeathItemsMonsters = function() {
    let elements = xelib.GetElements(0, 'Hunterborn.esp\\FLST\\_DS_FL_DeathItems_Monsters\\FormIDs');
    knownDeathItemsMonsters = elements.map(element => xelib.GetValue(element));
};

let hasFaction = function(rec, factions) {
    if (xelib.GetValue(rec, 'Factions') == '') return;
    let elements = xelib.GetElements(rec, 'Factions\\Faction');
    return elements.map(element.includes(factions));
};

let isCreature = function(rec) {
    let deathItem = xelib.GetValue(rec, 'INAM');
    return (hasFaction(rec, allowedFactions) &&
        !hasFaction(rec, forbiddenFactions)) &&
        !(knownDeathItemsAnimals.includes(deathItem) ||
        knownDeathItemsMonsters.includes(deathItem)) &&
        xelib.GetValue(rec, 'INAM') != '';
        //voicetype
};

let buildDeathItem = function(deathItems, rec) {
  let name = xelib.Name(rec);
  let deathItem = xelib.GetValue(rec, 'INAM');
  if (!name || !isCreature(rec)) return;
  if (!deathItems.hasOwnProperty(deathItem))
    deathItems[deathItem] = { npcs: [] };
  deathItems[deathItem].npcs.push({
    name: name,
    path: xelib.Path(rec),
    animalType: 'Skip'
  });
};

let settingsController = function($scope, referenceService, progressService, errorService) {
    let patcherSettings = $scope.settings.hunterbornCreaturePatcher;

    let GetCreatures = function() {
        loadKnownDeathItemsMonsters();
        loadKnownDeathItemsAnimals();
        $scope.items = {};
        //$scope.items = patcherSettings.creatures = {};
        xelib.WithHandles(xelib.GetRecords(0, 'NPC_'), function(records) {
            let len = records.length;
            records.forEach(function(rec, index) {
                let msg = `Getting creature information (${index}/${len})`;
                progressService.progressMessage(msg);
                buildDeathItem($scope.items, rec);
                //if (creature) $scope.creatures.push(creature);
            });
        });
    };

    $scope.loadCreatures = function() {
        progressService.showProgress({ message: 'Loading records...' });
        errorService.try(GetCreatures);
        progressService.hideProgress();
    };
};

registerPatcher({
    info: info,
    gameModes: [xelib.gmTES5, xelib.gmSSE],
    settings: {
        label: 'Hunterborn Creature Patcher',
        templateUrl: `${patcherPath}/partials/settings.html`,
        controller: settingsController,
        defaultSettings: {}
    },
    execute: {
        initialize: function(patch, helpers, settings) {
            if (!settings.creatures) return;
            let recordsToPatch = settings.creatures.map(function(rec) {
                return xelib.GetElement(0, rec.path);
            });
            recordsToPatch.forEach(function(rec) {
                helpers.logMessage('Patching ' + xelib.Name(rec));
                let override = xelib.CopyElement(rec, patch);
            });
        },
        process: []
    }
});