// static/admin/js/marketplace.js
/**
 * Admin marketplace import page logic
 */

// ✅ Use centralized logger
const adminMarketplaceLog = window.LogConfig.loggers.marketplace;

adminMarketplaceLog.info('Loading...');

function adminMarketplace() {
    adminMarketplaceLog.info('adminMarketplace() called');

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

        // ✅ Set page identifier
        currentPage: 'marketplace',

        // Loading states
        loading: false,
        importing: false,
        error: '',
        successMessage: '',

        // Active import tab (marketplace selector)
        activeImportTab: 'letzshop',

        // Vendors list
        vendors: [],
        selectedVendor: null,

        // Import form
        importForm: {
            vendor_id: '',
            csv_url: '',
            marketplace: 'Letzshop',
            language: 'fr',
            batch_size: 1000
        },

        // Filters
        filters: {
            vendor_id: '',
            status: '',
            marketplace: ''
        },

        // Import jobs
        jobs: [],
        pagination: {
            page: 1,
            per_page: 10,
            total: 0,
            pages: 0
        },

        // Modal state
        showJobModal: false,
        selectedJob: null,

        // Auto-refresh for active jobs
        autoRefreshInterval: null,

        // Computed: Total pages
        get totalPages() {
            return this.pagination.pages;
        },

        // Computed: Start index for pagination display
        get startIndex() {
            if (this.pagination.total === 0) return 0;
            return (this.pagination.page - 1) * this.pagination.per_page + 1;
        },

        // Computed: End index for pagination display
        get endIndex() {
            const end = this.pagination.page * this.pagination.per_page;
            return end > this.pagination.total ? this.pagination.total : end;
        },

        // Computed: Page numbers for pagination
        get pageNumbers() {
            const pages = [];
            const totalPages = this.totalPages;
            const current = this.pagination.page;

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

        async init() {
            adminMarketplaceLog.info('Marketplace init() called');

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

            // Ensure form defaults are set (in case spread didn't work)
            if (!this.importForm.marketplace) {
                this.importForm.marketplace = 'Letzshop';
            }
            if (!this.importForm.batch_size) {
                this.importForm.batch_size = 1000;
            }
            if (!this.importForm.language) {
                this.importForm.language = 'fr';
            }

            adminMarketplaceLog.info('Form defaults:', this.importForm);

            await this.loadVendors();
            await this.loadJobs();

            // Auto-refresh active jobs every 10 seconds
            this.startAutoRefresh();

            adminMarketplaceLog.info('Marketplace initialization complete');
        },

        /**
         * Load all vendors for dropdown
         */
        async loadVendors() {
            try {
                const response = await apiClient.get('/admin/vendors?limit=1000');
                this.vendors = response.vendors || [];
                adminMarketplaceLog.info('Loaded vendors:', this.vendors.length);
            } catch (error) {
                adminMarketplaceLog.error('Failed to load vendors:', error);
                this.error = 'Failed to load vendors: ' + (error.message || 'Unknown error');
            }
        },

        /**
         * Handle vendor selection change
         */
        onVendorChange() {
            const vendorId = parseInt(this.importForm.vendor_id);
            this.selectedVendor = this.vendors.find(v => v.id === vendorId) || null;
            adminMarketplaceLog.info('Selected vendor:', this.selectedVendor);

            // Auto-populate CSV URL if marketplace is Letzshop
            this.autoPopulateCSV();
        },

        /**
         * Handle language selection change
         */
        onLanguageChange() {
            // Auto-populate CSV URL if marketplace is Letzshop
            this.autoPopulateCSV();
        },

        /**
         * Auto-populate CSV URL based on selected vendor and language
         */
        autoPopulateCSV() {
            // Only auto-populate for Letzshop marketplace
            if (this.importForm.marketplace !== 'Letzshop') return;
            if (!this.selectedVendor) return;

            const urlMap = {
                'fr': this.selectedVendor.letzshop_csv_url_fr,
                'en': this.selectedVendor.letzshop_csv_url_en,
                'de': this.selectedVendor.letzshop_csv_url_de
            };

            const url = urlMap[this.importForm.language];
            if (url) {
                this.importForm.csv_url = url;
                adminMarketplaceLog.info('Auto-populated CSV URL:', this.importForm.language, url);
            } else {
                adminMarketplaceLog.info('No CSV URL configured for language:', this.importForm.language);
            }
        },

        /**
         * Load import jobs (only jobs triggered by current admin user)
         */
        async loadJobs() {
            this.loading = true;
            this.error = '';

            try {
                // Build query params
                const params = new URLSearchParams({
                    skip: (this.pagination.page - 1) * this.pagination.per_page,
                    limit: this.pagination.per_page,
                    created_by_me: 'true'  // ✅ Only show jobs I triggered
                });

                // Add filters (keep for consistency, though less needed here)
                if (this.filters.vendor_id) {
                    params.append('vendor_id', this.filters.vendor_id);
                }
                if (this.filters.status) {
                    params.append('status', this.filters.status);
                }
                if (this.filters.marketplace) {
                    params.append('marketplace', this.filters.marketplace);
                }

                const response = await apiClient.get(
                    `/admin/marketplace-import-jobs?${params.toString()}`
                );

                this.jobs = response.items || [];
                this.pagination.total = response.total || 0;
                this.pagination.pages = Math.ceil(this.pagination.total / this.pagination.per_page);

                adminMarketplaceLog.info('Loaded my jobs:', this.jobs.length);
            } catch (error) {
                adminMarketplaceLog.error('Failed to load jobs:', error);
                this.error = error.message || 'Failed to load import jobs';
            } finally {
                this.loading = false;
            }
        },

        /**
         * Start new import for selected vendor
         */
        async startImport() {
            if (!this.importForm.csv_url || !this.importForm.vendor_id) {
                this.error = 'Please select a vendor and enter a CSV URL';
                return;
            }

            this.importing = true;
            this.error = '';
            this.successMessage = '';

            try {
                const payload = {
                    vendor_id: parseInt(this.importForm.vendor_id),
                    source_url: this.importForm.csv_url,
                    marketplace: this.importForm.marketplace,
                    batch_size: this.importForm.batch_size,
                    language: this.importForm.language  // Include selected language
                };

                adminMarketplaceLog.info('Starting import:', payload);

                const response = await apiClient.post('/admin/marketplace-import-jobs', payload);

                adminMarketplaceLog.info('Import started:', response);

                const vendorName = this.selectedVendor?.name || 'vendor';
                this.successMessage = `Import job #${response.job_id || response.id} started successfully for ${vendorName}!`;

                // Clear form
                this.importForm.vendor_id = '';
                this.importForm.csv_url = '';
                this.importForm.language = 'fr';
                this.importForm.batch_size = 1000;
                this.selectedVendor = null;

                // Reload jobs to show the new import
                await this.loadJobs();

                // Clear success message after 5 seconds
                setTimeout(() => {
                    this.successMessage = '';
                }, 5000);
            } catch (error) {
                adminMarketplaceLog.error('Failed to start import:', error);
                this.error = error.message || 'Failed to start import';
            } finally {
                this.importing = false;
            }
        },

        /**
         * Switch marketplace tab and update form accordingly
         */
        switchMarketplace(marketplace) {
            this.activeImportTab = marketplace;

            // Update marketplace in form
            const marketplaceMap = {
                'letzshop': 'Letzshop',
                'codeswholesale': 'CodesWholesale'
            };
            this.importForm.marketplace = marketplaceMap[marketplace] || 'Letzshop';

            // Reset form fields when switching tabs
            this.importForm.vendor_id = '';
            this.importForm.csv_url = '';
            this.importForm.language = 'fr';
            this.importForm.batch_size = 1000;
            this.selectedVendor = null;

            adminMarketplaceLog.info('Switched to marketplace:', this.importForm.marketplace);
        },

        /**
         * Quick fill form with saved CSV URL from vendor settings
         */
        quickFill(language) {
            if (!this.selectedVendor) return;

            const urlMap = {
                'fr': this.selectedVendor.letzshop_csv_url_fr,
                'en': this.selectedVendor.letzshop_csv_url_en,
                'de': this.selectedVendor.letzshop_csv_url_de
            };

            const url = urlMap[language];
            if (url) {
                this.importForm.csv_url = url;
                this.importForm.language = language;
                adminMarketplaceLog.info('Quick filled:', language, url);
            }
        },

        /**
         * Clear all filters and reload
         */
        clearFilters() {
            this.filters.vendor_id = '';
            this.filters.status = '';
            this.filters.marketplace = '';
            this.pagination.page = 1;
            this.loadJobs();
        },

        /**
         * Refresh jobs list
         */
        async refreshJobs() {
            await this.loadJobs();
        },

        /**
         * Refresh single job status
         */
        async refreshJobStatus(jobId) {
            try {
                const response = await apiClient.get(`/admin/marketplace-import-jobs/${jobId}`);

                // Update job in list
                const index = this.jobs.findIndex(j => j.id === jobId);
                if (index !== -1) {
                    this.jobs[index] = response;
                }

                // Update selected job if modal is open
                if (this.selectedJob && this.selectedJob.id === jobId) {
                    this.selectedJob = response;
                }

                adminMarketplaceLog.info('Refreshed job:', jobId);
            } catch (error) {
                adminMarketplaceLog.error('Failed to refresh job:', error);
            }
        },

        /**
         * View job details in modal
         */
        async viewJobDetails(jobId) {
            try {
                const response = await apiClient.get(`/admin/marketplace-import-jobs/${jobId}`);
                this.selectedJob = response;
                this.showJobModal = true;
                adminMarketplaceLog.info('Viewing job details:', jobId);
            } catch (error) {
                adminMarketplaceLog.error('Failed to load job details:', error);
                this.error = error.message || 'Failed to load job details';
            }
        },

        /**
         * Close job details modal
         */
        closeJobModal() {
            this.showJobModal = false;
            this.selectedJob = null;
        },

        /**
         * Get vendor name by ID
         */
        getVendorName(vendorId) {
            const vendor = this.vendors.find(v => v.id === vendorId);
            return vendor ? `${vendor.name} (${vendor.vendor_code})` : `Vendor #${vendorId}`;
        },

        /**
         * Pagination: Previous page
         */
        previousPage() {
            if (this.pagination.page > 1) {
                this.pagination.page--;
                this.loadJobs();
            }
        },

        /**
         * Pagination: Next page
         */
        nextPage() {
            if (this.pagination.page < this.totalPages) {
                this.pagination.page++;
                this.loadJobs();
            }
        },

        /**
         * Pagination: Go to specific page
         */
        goToPage(pageNum) {
            if (pageNum !== '...' && pageNum >= 1 && pageNum <= this.totalPages) {
                this.pagination.page = pageNum;
                this.loadJobs();
            }
        },

        /**
         * Format date for display
         */
        formatDate(dateString) {
            if (!dateString) return 'N/A';

            try {
                const date = new Date(dateString);
                return date.toLocaleString('en-US', {
                    year: 'numeric',
                    month: 'short',
                    day: 'numeric',
                    hour: '2-digit',
                    minute: '2-digit'
                });
            } catch (error) {
                return dateString;
            }
        },

        /**
         * Calculate duration between start and end
         */
        calculateDuration(job) {
            if (!job.started_at) {
                return 'Not started';
            }

            const start = new Date(job.started_at);
            const end = job.completed_at ? new Date(job.completed_at) : new Date();
            const durationMs = end - start;

            // Convert to human-readable format
            const seconds = Math.floor(durationMs / 1000);
            const minutes = Math.floor(seconds / 60);
            const hours = Math.floor(minutes / 60);

            if (hours > 0) {
                return `${hours}h ${minutes % 60}m`;
            } else if (minutes > 0) {
                return `${minutes}m ${seconds % 60}s`;
            } else {
                return `${seconds}s`;
            }
        },

        /**
         * Start auto-refresh for active jobs
         */
        startAutoRefresh() {
            // Clear any existing interval
            if (this.autoRefreshInterval) {
                clearInterval(this.autoRefreshInterval);
            }

            // Refresh every 10 seconds if there are active jobs
            this.autoRefreshInterval = setInterval(async () => {
                const hasActiveJobs = this.jobs.some(job =>
                    job.status === 'pending' || job.status === 'processing'
                );

                if (hasActiveJobs) {
                    adminMarketplaceLog.info('Auto-refreshing active jobs...');
                    await this.loadJobs();
                }
            }, 10000); // 10 seconds
        },

        /**
         * Stop auto-refresh (cleanup)
         */
        stopAutoRefresh() {
            if (this.autoRefreshInterval) {
                clearInterval(this.autoRefreshInterval);
                this.autoRefreshInterval = null;
            }
        }
    };
}

// Cleanup on page unload
window.addEventListener('beforeunload', () => {
    if (window._adminMarketplaceInstance && window._adminMarketplaceInstance.stopAutoRefresh) {
        window._adminMarketplaceInstance.stopAutoRefresh();
    }
});