// noqa: js-006 - async init pattern is safe, loadData has try/catch
// static/admin/js/merchant-detail.js

// Create custom logger for merchant detail
const merchantDetailLog = window.LogConfig.createLogger('MERCHANT-DETAIL');

function adminMerchantDetail() {
    return {
        // Inherit base layout functionality from init-alpine.js
        ...data(),

        // Merchant detail page specific state
        currentPage: 'merchant-detail',
        merchant: null,
        loading: false,
        error: null,
        merchantId: null,

        // Subscription state
        subscription: null,
        subscriptionTier: null,
        usageMetrics: [],
        tiers: [],
        platformId: null,
        showCreateSubscriptionModal: false,
        createForm: { tier_code: 'essential', status: 'trial', trial_days: 14, is_annual: false },
        creatingSubscription: false,

        // Initialize
        async init() {
            // Load i18n translations
            await I18n.loadModule('tenancy');

            merchantDetailLog.info('=== MERCHANT DETAIL PAGE INITIALIZING ===');

            // Prevent multiple initializations
            if (window._merchantDetailInitialized) {
                merchantDetailLog.warn('Merchant detail page already initialized, skipping...');
                return;
            }
            window._merchantDetailInitialized = true;

            // Get merchant ID from URL
            const path = window.location.pathname;
            const match = path.match(/\/admin\/merchants\/(\d+)$/);

            if (match) {
                this.merchantId = match[1];
                merchantDetailLog.info('Viewing merchant:', this.merchantId);
                await this.loadMerchant();
                await this.loadPlatforms();
                if (this.platformId) {
                    await this.loadSubscription();
                }
            } else {
                merchantDetailLog.error('No merchant ID in URL');
                this.error = 'Invalid merchant URL';
                Utils.showToast(I18n.t('tenancy.messages.invalid_merchant_url'), 'error');
            }

            merchantDetailLog.info('=== MERCHANT DETAIL PAGE INITIALIZATION COMPLETE ===');
        },

        // Load merchant data
        async loadMerchant() {
            merchantDetailLog.info('Loading merchant details...');
            this.loading = true;
            this.error = null;

            try {
                const url = `/admin/merchants/${this.merchantId}`;
                window.LogConfig.logApiCall('GET', url, null, 'request');

                const startTime = performance.now();
                const response = await apiClient.get(url);
                const duration = performance.now() - startTime;

                window.LogConfig.logApiCall('GET', url, response, 'response');
                window.LogConfig.logPerformance('Load Merchant Details', duration);

                this.merchant = response;

                merchantDetailLog.info(`Merchant loaded in ${duration}ms`, {
                    id: this.merchant.id,
                    name: this.merchant.name,
                    is_verified: this.merchant.is_verified,
                    is_active: this.merchant.is_active,
                    store_count: this.merchant.store_count
                });
                merchantDetailLog.debug('Full merchant data:', this.merchant);

            } catch (error) {
                window.LogConfig.logError(error, 'Load Merchant Details');
                this.error = error.message || 'Failed to load merchant details';
                Utils.showToast(I18n.t('tenancy.messages.failed_to_load_merchant_details'), 'error');
            } finally {
                this.loading = false;
            }
        },

        // Load platforms and find OMS platform ID
        async loadPlatforms() {
            try {
                const response = await apiClient.get('/admin/platforms');
                const platforms = response.platforms || [];
                const oms = platforms.find(p => p.code === 'oms');
                if (oms) {
                    this.platformId = oms.id;
                    merchantDetailLog.info('OMS platform resolved:', this.platformId);
                } else {
                    merchantDetailLog.warn('OMS platform not found');
                }
            } catch (error) {
                merchantDetailLog.warn('Failed to load platforms:', error.message);
            }
        },

        // Load subscription for this merchant
        async loadSubscription() {
            if (!this.merchantId || !this.platformId) return;

            merchantDetailLog.info('Loading subscription for merchant:', this.merchantId);

            try {
                const url = `/admin/subscriptions/merchants/${this.merchantId}/platforms/${this.platformId}`;
                window.LogConfig.logApiCall('GET', url, null, 'request');

                const response = await apiClient.get(url);
                window.LogConfig.logApiCall('GET', url, response, 'response');

                this.subscription = response.subscription || response;
                this.subscriptionTier = response.tier || null;
                this.usageMetrics = response.features || [];

                merchantDetailLog.info('Subscription loaded:', {
                    tier: this.subscription?.tier,
                    status: this.subscription?.status,
                    features_count: this.usageMetrics.length
                });

            } catch (error) {
                if (error.status === 404) {
                    merchantDetailLog.info('No subscription found for merchant');
                    this.subscription = null;
                    this.usageMetrics = [];
                } else {
                    merchantDetailLog.warn('Failed to load subscription:', error.message);
                }
            }
        },

        // Load available subscription tiers
        async loadTiers() {
            if (this.tiers.length > 0) return;

            try {
                const response = await apiClient.get('/admin/subscriptions/tiers');
                this.tiers = response.tiers || [];
                merchantDetailLog.info('Loaded tiers:', this.tiers.length);
            } catch (error) {
                merchantDetailLog.warn('Failed to load tiers:', error.message);
            }
        },

        // Open create subscription modal
        async openCreateSubscriptionModal() {
            await this.loadTiers();
            this.createForm = { tier_code: 'essential', status: 'trial', trial_days: 14, is_annual: false };
            this.showCreateSubscriptionModal = true;
        },

        // Create subscription for this merchant
        async createSubscription() {
            if (!this.merchantId || !this.platformId) return;

            this.creatingSubscription = true;
            merchantDetailLog.info('Creating subscription for merchant:', this.merchantId);

            try {
                const url = `/admin/subscriptions/merchants/${this.merchantId}/platforms/${this.platformId}`;
                const payload = {
                    merchant_id: parseInt(this.merchantId),
                    platform_id: this.platformId,
                    tier_code: this.createForm.tier_code,
                    status: this.createForm.status,
                    trial_days: this.createForm.status === 'trial' ? parseInt(this.createForm.trial_days) : 0,
                    is_annual: this.createForm.is_annual
                };

                window.LogConfig.logApiCall('POST', url, payload, 'request');
                const response = await apiClient.post(url, payload);
                window.LogConfig.logApiCall('POST', url, response, 'response');

                this.showCreateSubscriptionModal = false;
                Utils.showToast('Subscription created successfully', 'success');
                merchantDetailLog.info('Subscription created');

                await this.loadSubscription();

            } catch (error) {
                window.LogConfig.logError(error, 'Create Subscription');
                Utils.showToast(error.message || 'Failed to create subscription', 'error');
            } finally {
                this.creatingSubscription = false;
            }
        },

        // Get usage bar color based on percentage
        getUsageBarColor(current, limit) {
            if (!limit || limit === 0) return 'bg-blue-500';
            const percent = (current / limit) * 100;
            if (percent >= 90) return 'bg-red-500';
            if (percent >= 75) return 'bg-yellow-500';
            return 'bg-green-500';
        },

        // Format tier price for display
        formatTierPrice(tier) {
            if (!tier.price_monthly_cents) return 'Custom';
            return `€${(tier.price_monthly_cents / 100).toFixed(2)}/mo`;
        },

        // Format date (matches dashboard pattern)
        formatDate(dateString) {
            if (!dateString) {
                merchantDetailLog.debug('formatDate called with empty dateString');
                return '-';
            }
            const formatted = Utils.formatDate(dateString);
            merchantDetailLog.debug(`Date formatted: ${dateString} -> ${formatted}`);
            return formatted;
        },

        // Delete merchant
        async deleteMerchant() {
            merchantDetailLog.info('Delete merchant requested:', this.merchantId);

            if (this.merchant?.store_count > 0) {
                Utils.showToast(`Cannot delete merchant with ${this.merchant.store_count} store(s). Delete stores first.`, 'error');
                return;
            }

            if (!confirm(`Are you sure you want to delete merchant "${this.merchant.name}"?\n\nThis action cannot be undone.`)) {
                merchantDetailLog.info('Delete cancelled by user');
                return;
            }

            // Second confirmation for safety
            if (!confirm(`FINAL CONFIRMATION\n\nAre you absolutely sure you want to delete "${this.merchant.name}"?`)) {
                merchantDetailLog.info('Delete cancelled by user (second confirmation)');
                return;
            }

            try {
                const url = `/admin/merchants/${this.merchantId}?confirm=true`;
                window.LogConfig.logApiCall('DELETE', url, null, 'request');

                merchantDetailLog.info('Deleting merchant:', this.merchantId);
                await apiClient.delete(url);

                window.LogConfig.logApiCall('DELETE', url, null, 'response');

                Utils.showToast(I18n.t('tenancy.messages.merchant_deleted_successfully'), 'success');
                merchantDetailLog.info('Merchant deleted successfully');

                // Redirect to merchants list
                setTimeout(() => window.location.href = '/admin/merchants', 1500);

            } catch (error) {
                window.LogConfig.logError(error, 'Delete Merchant');
                Utils.showToast(error.message || 'Failed to delete merchant', 'error');
            }
        },

        // Refresh merchant data
        async refresh() {
            merchantDetailLog.info('=== MERCHANT REFRESH TRIGGERED ===');
            await this.loadMerchant();
            if (this.platformId) {
                await this.loadSubscription();
            }
            Utils.showToast(I18n.t('tenancy.messages.merchant_details_refreshed'), 'success');
            merchantDetailLog.info('=== MERCHANT REFRESH COMPLETE ===');
        }
    };
}

merchantDetailLog.info('Merchant detail module loaded');