mcp-quiz-server/public/dist/services/SettingsService.js

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export class SettingsService {
    constructor() {
        this.listeners = new Set();
        this.settings = this.loadSettings();
    }
    static getInstance() {
        if (!SettingsService.instance) {
            SettingsService.instance = new SettingsService();
        }
        return SettingsService.instance;
    }
    getDefaultSettings() {
        return {
            ui: {
                hideDisabledNavButtons: false,
                hideAllNavButtons: false,
                autoAdvanceQuestions: false,
                clickToAdvance: false,
                showContinueButton: true,
                announceSelections: true,
                selectionFeedbackDuration: 1000,
                showQuestionNumbers: true,
                enableAnimations: true,
                defaultViewMode: 'list',
                sidebarExpanded: true,
                theme: 'auto',
                accessibilityMode: false,
                clickToSelectCards: true,
                quizMode: 'cards',
            },
            quiz: {
                showHints: false,
                confirmBeforeSubmit: true,
                highlightAnsweredQuestions: true,
                useTimer: false,
                timerDuration: 900,
                maxAttempts: 3,
                showImmediateFeedback: true,
                showExplanationsAfterAnswer: true,
                enableCoachingMode: true,
                coachingIntensity: 'basic',
                instantSubmission: false,
                instantFeedbackDelay: 1500,
                allowAnswerChange: true,
                showInstantExplanation: true,
                autoAdvanceEnabled: false,
                autoAdvanceDelay: 3000,
                smartSubmitLogic: true,
                partialSubmissionEnabled: false,
                autoAdvanceMode: 'enhanced',
            },
        };
    }
    getSettings() {
        return { ...this.settings };
    }
    updateSettings(updates) {
        this.settings = { ...this.settings, ...updates };
        this.saveSettings();
        this.notifyListeners();
    }
    updateUISettings(uiSettings) {
        this.settings.ui = { ...this.settings.ui, ...uiSettings };
        this.saveSettings();
        this.notifyListeners();
    }
    updateQuizSettings(quizSettings) {
        this.settings.quiz = { ...this.settings.quiz, ...quizSettings };
        this.saveSettings();
        this.notifyListeners();
    }
    resetToDefaults() {
        this.settings = this.getDefaultSettings();
        this.saveSettings();
        this.notifyListeners();
    }
    subscribe(callback) {
        this.listeners.add(callback);
        return () => this.listeners.delete(callback);
    }
    loadSettings() {
        try {
            const stored = localStorage.getItem(SettingsService.STORAGE_KEY);
            if (stored) {
                const parsed = JSON.parse(stored);
                return { ...this.getDefaultSettings(), ...parsed };
            }
        }
        catch (error) {
            console.warn('Failed to load settings:', error);
        }
        return this.getDefaultSettings();
    }
    saveSettings() {
        try {
            localStorage.setItem(SettingsService.STORAGE_KEY, JSON.stringify(this.settings));
        }
        catch (error) {
            console.error('Failed to save settings:', error);
        }
    }
    notifyListeners() {
        this.listeners.forEach(callback => {
            try {
                callback(this.settings);
            }
            catch (error) {
                console.error('Error in settings listener:', error);
            }
        });
    }
}
SettingsService.STORAGE_KEY = 'quiz-app-settings';
const settingsService = new SettingsService();
export default settingsService;
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