// static/admin/js/vendor-product-edit.js
/**
 * Admin vendor product edit page logic
 * Edit vendor product information and overrides
 */

const adminVendorProductEditLog = window.LogConfig.loggers.adminVendorProductEdit ||
    window.LogConfig.createLogger('adminVendorProductEdit', false);

adminVendorProductEditLog.info('Loading...');

function adminVendorProductEdit() {
    adminVendorProductEditLog.info('adminVendorProductEdit() called');

    // Extract product ID from URL
    const pathParts = window.location.pathname.split('/');
    const productId = parseInt(pathParts[pathParts.length - 2]); // /vendor-products/{id}/edit

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

        // Set page identifier
        currentPage: 'vendor-products',

        // Product ID from URL
        productId: productId,

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

        // Product data
        product: null,

        // Form data
        form: {
            title: '',
            brand: '',
            vendor_sku: '',
            gtin: '',
            price_override: null,
            currency_override: '',
            availability: '',
            is_active: true,
            is_featured: false,
            is_digital: false,
            description: ''
        },

        async init() {
            adminVendorProductEditLog.info('Vendor Product Edit init() called, ID:', this.productId);

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

            // Load product data
            await this.loadProduct();

            adminVendorProductEditLog.info('Vendor Product Edit initialization complete');
        },

        /**
         * Load product details and populate form
         */
        async loadProduct() {
            this.loading = true;
            this.error = '';

            try {
                const response = await apiClient.get(`/admin/vendor-products/${this.productId}`);
                this.product = response;

                // Populate form with current values
                this.form = {
                    title: response.title || '',
                    brand: response.brand || '',
                    vendor_sku: response.vendor_sku || '',
                    gtin: response.gtin || '',
                    price_override: response.price_override || null,
                    currency_override: response.currency_override || '',
                    availability: response.availability || '',
                    is_active: response.is_active ?? true,
                    is_featured: response.is_featured ?? false,
                    is_digital: response.is_digital ?? false,
                    description: response.description || ''
                };

                adminVendorProductEditLog.info('Loaded product:', this.product.id);
            } catch (error) {
                adminVendorProductEditLog.error('Failed to load product:', error);
                this.error = error.message || 'Failed to load product details';
            } finally {
                this.loading = false;
            }
        },

        /**
         * Save product changes
         */
        async saveProduct() {
            this.saving = true;

            try {
                // Build update payload
                const payload = {
                    title: this.form.title || null,
                    brand: this.form.brand || null,
                    vendor_sku: this.form.vendor_sku || null,
                    gtin: this.form.gtin || null,
                    price_override: this.form.price_override ? parseFloat(this.form.price_override) : null,
                    currency_override: this.form.currency_override || null,
                    availability: this.form.availability || null,
                    is_active: this.form.is_active,
                    is_featured: this.form.is_featured,
                    is_digital: this.form.is_digital,
                    description: this.form.description || null
                };

                await apiClient.patch(`/admin/vendor-products/${this.productId}`, payload);

                adminVendorProductEditLog.info('Product saved:', this.productId);

                Utils.showToast('Product updated successfully', 'success');

                // Redirect to detail page
                setTimeout(() => {
                    window.location.href = `/admin/vendor-products/${this.productId}`;
                }, 1000);
            } catch (error) {
                adminVendorProductEditLog.error('Failed to save product:', error);
                Utils.showToast(error.message || 'Failed to save product', 'error');
            } finally {
                this.saving = false;
            }
        }
    };
}