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import { override } from '@microsoft/decorators';
import { BaseApplicationCustomizer, PlaceholderName } from '@microsoft/sp-application-base';
import * as strings from 'MegaMenuApplicationCustomizerStrings';
import { TaxonomyNavigationService } from '../../services/TaxonomyNavigationService';
import { MegaMenuRenderer } from './MegaMenuRenderer';
import { debugError, debugLog, debugWarn } from '../../services/MegaMenuDebug';
import './MegaMenu.module.scss';
var LOG_SOURCE = 'MegaMenuApplicationCustomizer';
export var UserCustomActionMegaMenuId = 'abc3361f-bb2d-491f-aba3-cd51c19a299b';
var MegaMenuApplicationCustomizer = (function (_super) {
    __extends(MegaMenuApplicationCustomizer, _super);
    function MegaMenuApplicationCustomizer() {
        var _this = _super !== null && _super.apply(this, arguments) || this;
        _this._onDispose = function () {
            _this.context.placeholderProvider.changedEvent.remove(_this, _this._renderPlaceHolders);
            if (_this._renderer) {
                _this._renderer.dispose();
                _this._renderer = undefined;
            }
            _this._menuContainer = undefined;
            _this._topPlaceholder = undefined;
            debugLog(_this._isDebugEnabled(), LOG_SOURCE, 'Disposed custom top placeholder.');
        };
        return _this;
    }
    MegaMenuApplicationCustomizer.prototype.onInit = function () {
        debugLog(this._isDebugEnabled(), LOG_SOURCE, 'Initialized ' + strings.Title);
        this.context.placeholderProvider.changedEvent.add(this, this._renderPlaceHolders);
        this._renderPlaceHolders();
        return Promise.resolve();
    };
    MegaMenuApplicationCustomizer.prototype._renderPlaceHolders = function () {
        var availablePlaceholders = this.context.placeholderProvider.placeholderNames
            .map(function (name) { return PlaceholderName[name]; })
            .join(', ');
        debugLog(this._isDebugEnabled(), LOG_SOURCE, 'Available placeholders:', availablePlaceholders);
        if (!this._topPlaceholder) {
            this._topPlaceholder = this.context.placeholderProvider.tryCreateContent(PlaceholderName.Top, { onDispose: this._onDispose });
            if (!this._topPlaceholder) {
                debugError(this._isDebugEnabled(), LOG_SOURCE, 'The expected placeholder (Top) was not found.');
                return;
            }
            var termSetIdentifier = this._getTermSetIdentifier();
            if (!termSetIdentifier) {
                debugWarn(this._isDebugEnabled(), LOG_SOURCE, 'No termSetId or termSetName configured. Mega Menu rendering is skipped.');
                this._renderStatus(strings.ConfigurationMissing);
                return;
            }
            this._renderMegaMenu(termSetIdentifier);
        }
    };
    MegaMenuApplicationCustomizer.prototype._renderMegaMenu = function (termSetIdentifier, debug) {
        if (debug === void 0) { debug = this._isDebugEnabled(); }
        return __awaiter(this, void 0, void 0, function () {
            var taxonomyService, menuItems, error_1;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        if (!this._topPlaceholder) {
                            return [2 /*return*/];
                        }
                        _a.label = 1;
                    case 1:
                        _a.trys.push([1, 3, , 4]);
                        taxonomyService = new TaxonomyNavigationService(this.context, termSetIdentifier, debug, this._getCacheMinutes());
                        return [4 /*yield*/, taxonomyService.getMenuItems()];
                    case 2:
                        menuItems = _a.sent();
                        if (this._renderer) {
                            this._renderer.dispose();
                        }
                        this._renderer = new MegaMenuRenderer(menuItems, debug);
                        this._menuContainer = this._getOrCreateContainer('CustomHeader', this._topPlaceholder);
                        if (this._menuContainer) {
                            this._renderer.render(this._menuContainer);
                        }
                        else {
                            this._renderer.render(this._topPlaceholder.domElement);
                        }
                        debugLog(debug, LOG_SOURCE, 'MegaMenu rendered successfully with ' + menuItems.length + ' top-level items.');
                        return [3 /*break*/, 4];
                    case 3:
                        error_1 = _a.sent();
                        debugError(debug, LOG_SOURCE, 'Error rendering MegaMenu.', error_1);
                        this._renderStatus(strings.LoadError);
                        return [3 /*break*/, 4];
                    case 4: return [2 /*return*/];
                }
            });
        });
    };
    MegaMenuApplicationCustomizer.prototype._getOrCreateContainer = function (id, placeholder) {
        var container = document.getElementById(id);
        if (container) {
            var host = document.getElementById('MegaMenuHost');
            if (!host) {
                host = document.createElement('div');
                host.id = 'MegaMenuHost';
                container.appendChild(host);
            }
            return host;
        }
        return placeholder.domElement;
    };
    MegaMenuApplicationCustomizer.prototype._getTermSetIdentifier = function () {
        var termSetId = this.properties && this.properties.termSetId
            ? this.properties.termSetId.trim()
            : '';
        if (termSetId && this._isGuid(termSetId)) {
            return termSetId;
        }
        return this.properties && this.properties.termSetName
            ? this.properties.termSetName.trim()
            : '';
    };
    MegaMenuApplicationCustomizer.prototype._getCacheMinutes = function () {
        var value = this.properties ? Number(this.properties.cacheMinutes) : 15;
        return isFinite(value) ? Math.min(Math.max(Math.floor(value), 1), 1440) : 15;
    };
    MegaMenuApplicationCustomizer.prototype._renderStatus = function (message) {
        if (!this._topPlaceholder) {
            return;
        }
        this._menuContainer = this._getOrCreateContainer('CustomHeader', this._topPlaceholder);
        var container = this._menuContainer || this._topPlaceholder.domElement;
        container.innerHTML = '';
        var status = document.createElement('div');
        status.className = 'mega-menu-status';
        status.setAttribute('role', 'status');
        status.textContent = message;
        container.appendChild(status);
    };
    MegaMenuApplicationCustomizer.prototype._isGuid = function (value) {
        return /^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/.test(value);
    };
    MegaMenuApplicationCustomizer.prototype._isDebugEnabled = function (debugOverride) {
        if (typeof debugOverride === 'boolean') {
            return debugOverride;
        }
        return !!(this.properties && this.properties.debug === true);
    };
    __decorate([
        override
    ], MegaMenuApplicationCustomizer.prototype, "onInit", null);
    return MegaMenuApplicationCustomizer;
}(BaseApplicationCustomizer));
export default MegaMenuApplicationCustomizer;

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