// static/vendor/js/settings.js
/**
 * Vendor settings management page logic
 * Configure vendor preferences and integrations
 */

const vendorSettingsLog = window.LogConfig.loggers.vendorSettings ||
    window.LogConfig.createLogger('vendorSettings', false);

vendorSettingsLog.info('Loading...');

function vendorSettings() {
    vendorSettingsLog.info('vendorSettings() called');

    return {
        // Inherit base layout state
        ...data(),

        // Set page identifier
        currentPage: 'settings',

        // Loading states
        loading: true,
        error: '',
        saving: false,

        // Settings data
        settings: null,

        // Active section
        activeSection: 'general',

        // Sections for navigation
        sections: [
            { id: 'general', label: 'General', icon: 'cog' },
            { id: 'marketplace', label: 'Marketplace', icon: 'shopping-cart' },
            { id: 'notifications', label: 'Notifications', icon: 'bell' }
        ],

        // Forms for different sections
        generalForm: {
            subdomain: '',
            is_active: true
        },

        marketplaceForm: {
            letzshop_csv_url_fr: '',
            letzshop_csv_url_en: '',
            letzshop_csv_url_de: ''
        },

        notificationForm: {
            email_notifications: true,
            order_notifications: true,
            marketing_emails: false
        },

        // Track changes
        hasChanges: false,

        async init() {
            vendorSettingsLog.info('Settings init() called');

            // Guard against multiple initialization
            if (window._vendorSettingsInitialized) {
                vendorSettingsLog.warn('Already initialized, skipping');
                return;
            }
            window._vendorSettingsInitialized = true;

            try {
                await this.loadSettings();
            } catch (error) {
                vendorSettingsLog.error('Init failed:', error);
                this.error = 'Failed to initialize settings page';
            }

            vendorSettingsLog.info('Settings initialization complete');
        },

        /**
         * Load vendor settings
         */
        async loadSettings() {
            this.loading = true;
            this.error = '';

            try {
                const response = await apiClient.get(`/vendor/${this.vendorCode}/settings`);

                this.settings = response;

                // Populate forms
                this.generalForm = {
                    subdomain: response.subdomain || '',
                    is_active: response.is_active !== false
                };

                this.marketplaceForm = {
                    letzshop_csv_url_fr: response.letzshop_csv_url_fr || '',
                    letzshop_csv_url_en: response.letzshop_csv_url_en || '',
                    letzshop_csv_url_de: response.letzshop_csv_url_de || ''
                };

                this.hasChanges = false;
                vendorSettingsLog.info('Loaded settings');
            } catch (error) {
                vendorSettingsLog.error('Failed to load settings:', error);
                this.error = error.message || 'Failed to load settings';
            } finally {
                this.loading = false;
            }
        },

        /**
         * Mark form as changed
         */
        markChanged() {
            this.hasChanges = true;
        },

        /**
         * Save marketplace settings
         */
        async saveMarketplaceSettings() {
            this.saving = true;
            try {
                await apiClient.put(`/vendor/${this.vendorCode}/settings/marketplace`, this.marketplaceForm);

                Utils.showToast('Marketplace settings saved', 'success');
                vendorSettingsLog.info('Marketplace settings updated');

                this.hasChanges = false;
            } catch (error) {
                vendorSettingsLog.error('Failed to save marketplace settings:', error);
                Utils.showToast(error.message || 'Failed to save settings', 'error');
            } finally {
                this.saving = false;
            }
        },

        /**
         * Test Letzshop CSV URL
         */
        async testLetzshopUrl(lang) {
            const url = this.marketplaceForm[`letzshop_csv_url_${lang}`];
            if (!url) {
                Utils.showToast('Please enter a URL first', 'error');
                return;
            }

            this.saving = true;
            try {
                // Try to fetch the URL to validate it
                const response = await fetch(url, { method: 'HEAD', mode: 'no-cors' });
                Utils.showToast(`URL appears to be valid`, 'success');
            } catch (error) {
                Utils.showToast('Could not validate URL - it may still work', 'warning');
            } finally {
                this.saving = false;
            }
        },

        /**
         * Reset settings to saved values
         */
        resetSettings() {
            this.loadSettings();
        },

        /**
         * Switch active section
         */
        setSection(sectionId) {
            this.activeSection = sectionId;
        }
    };
}