// app/modules/loyalty/static/store/js/loyalty-cards.js
// noqa: js-006 - async init pattern is safe, loadData has try/catch

const loyaltyCardsLog = window.LogConfig.loggers.loyaltyCards || window.LogConfig.createLogger('loyaltyCards');

function storeLoyaltyCards() {
    return {
        ...data(),
        currentPage: 'cards',

        // Data
        cards: [],
        program: null,
        stats: {
            total_cards: 0,
            active_cards: 0,
            new_this_month: 0,
            total_points_balance: 0
        },

        // Filters
        filters: {
            search: '',
            status: ''
        },

        // Pagination
        pagination: {
            page: 1,
            per_page: 20,
            total: 0,
            pages: 0
        },

        // State
        loading: false,
        error: null,

        async init() {
            loyaltyCardsLog.info('=== LOYALTY CARDS PAGE INITIALIZING ===');
            if (window._loyaltyCardsInitialized) return;
            window._loyaltyCardsInitialized = true;

            // IMPORTANT: Call parent init first to set storeCode from URL
            const parentInit = data().init;
            if (parentInit) {
                await parentInit.call(this);
            }

            if (window.PlatformSettings) {
                this.pagination.per_page = await window.PlatformSettings.getRowsPerPage();
            }

            await this.loadData();
            loyaltyCardsLog.info('=== LOYALTY CARDS PAGE INITIALIZATION COMPLETE ===');
        },

        async loadData() {
            this.loading = true;
            this.error = null;
            try {
                await this.loadProgram();
                if (this.program) {
                    await Promise.all([this.loadCards(), this.loadStats()]);
                }
            } catch (error) {
                loyaltyCardsLog.error('Failed to load data:', error);
                this.error = error.message;
            } finally {
                this.loading = false;
            }
        },

        async loadProgram() {
            try {
                const response = await apiClient.get('/store/loyalty/program');
                if (response) this.program = response;
            } catch (error) {
                if (error.status !== 404) throw error;
            }
        },

        async loadCards() {
            const params = new URLSearchParams();
            params.append('skip', (this.pagination.page - 1) * this.pagination.per_page);
            params.append('limit', this.pagination.per_page);
            if (this.filters.search) params.append('search', this.filters.search);
            if (this.filters.status) params.append('is_active', this.filters.status === 'active');

            const response = await apiClient.get(`/store/loyalty/cards?${params}`);
            if (response) {
                this.cards = response.cards || [];
                this.pagination.total = response.total || 0;
                this.pagination.pages = Math.ceil(this.pagination.total / this.pagination.per_page);
            }
        },

        async loadStats() {
            try {
                const response = await apiClient.get('/store/loyalty/stats');
                if (response) {
                    this.stats = {
                        total_cards: response.total_cards || 0,
                        active_cards: response.active_cards || 0,
                        new_this_month: response.new_this_month || 0,
                        total_points_balance: response.total_points_balance || 0
                    };
                }
            } catch (error) {
                loyaltyCardsLog.warn('Failed to load stats:', error.message);
            }
        },

        debouncedSearch() {
            if (this._searchTimeout) clearTimeout(this._searchTimeout);
            this._searchTimeout = setTimeout(() => {
                this.pagination.page = 1;
                this.loadCards();
            }, 300);
        },

        applyFilter() {
            this.pagination.page = 1;
            this.loadCards();
        },

        get totalPages() { return this.pagination.pages; },
        get startIndex() { return this.pagination.total === 0 ? 0 : (this.pagination.page - 1) * this.pagination.per_page + 1; },
        get endIndex() { const end = this.pagination.page * this.pagination.per_page; return end > this.pagination.total ? this.pagination.total : end; },

        get pageNumbers() {
            const pages = [];
            const total = this.totalPages;
            const current = this.pagination.page;
            if (total <= 7) { for (let i = 1; i <= total; i++) pages.push(i); }
            else {
                pages.push(1);
                if (current > 3) pages.push('...');
                const start = Math.max(2, current - 1);
                const end = Math.min(total - 1, current + 1);
                for (let i = start; i <= end; i++) pages.push(i);
                if (current < total - 2) pages.push('...');
                pages.push(total);
            }
            return pages;
        },

        previousPage() { if (this.pagination.page > 1) { this.pagination.page--; this.loadCards(); } },
        nextPage() { if (this.pagination.page < this.totalPages) { this.pagination.page++; this.loadCards(); } },
        goToPage(num) { if (num !== '...' && num >= 1 && num <= this.totalPages) { this.pagination.page = num; this.loadCards(); } },

        formatNumber(num) { return num == null ? '0' : new Intl.NumberFormat('en-US').format(num); },
        formatDate(dateString) {
            if (!dateString) return 'Never';
            try {
                return new Date(dateString).toLocaleDateString('en-US', { year: 'numeric', month: 'short', day: 'numeric' });
            } catch (e) { return dateString; }
        }
    };
}

if (!window.LogConfig.loggers.loyaltyCards) {
    window.LogConfig.loggers.loyaltyCards = window.LogConfig.createLogger('loyaltyCards');
}
loyaltyCardsLog.info('Loyalty cards module loaded');
