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

const loyaltySettingsLog = window.LogConfig.loggers.loyaltySettings || window.LogConfig.createLogger('loyaltySettings');

// ============================================
// STORE LOYALTY SETTINGS FUNCTION
// ============================================
function loyaltySettings() {
    return {
        // Inherit base layout functionality
        ...data(),

        // Page identifier
        currentPage: 'loyalty-settings',

        // State
        program: null,
        loading: false,
        saving: false,
        error: null,
        isOwner: false,

        // Form data
        form: {
            loyalty_type: 'points',
            stamps_target: 10,
            stamps_reward_description: 'Free item',
            stamps_reward_value_cents: null,
            points_per_euro: 10,
            welcome_bonus_points: 0,
            minimum_redemption_points: 100,
            minimum_purchase_cents: 0,
            points_expiration_days: null,
            points_rewards: [],
            cooldown_minutes: 15,
            max_daily_stamps: 5,
            require_staff_pin: true,
            card_name: '',
            card_color: '#4F46E5',
            logo_url: '',
            terms_text: '',
        },

        // Initialize
        async init() {
            loyaltySettingsLog.info('=== LOYALTY SETTINGS INITIALIZING ===');

            if (window._loyaltySettingsInitialized) {
                loyaltySettingsLog.warn('Already initialized, skipping...');
                return;
            }
            window._loyaltySettingsInitialized = true;

            const parentInit = data().init;
            if (parentInit) {
                await parentInit.call(this);
            }

            // Check if user is merchant_owner
            this.isOwner = this.currentUser?.role === 'merchant_owner';

            await this.loadData();

            loyaltySettingsLog.info('=== LOYALTY SETTINGS INITIALIZATION COMPLETE ===');
        },

        async loadData() {
            this.loading = true;
            this.error = null;

            try {
                await this.loadProgram();
            } catch (error) {
                loyaltySettingsLog.error('Failed to load data:', error);
                this.error = error.message || 'Failed to load settings';
            } finally {
                this.loading = false;
            }
        },

        async loadProgram() {
            try {
                loyaltySettingsLog.info('Loading program...');
                const response = await apiClient.get('/store/loyalty/program');

                if (response) {
                    this.program = response;
                    this.populateForm(response);
                    loyaltySettingsLog.info('Program loaded:', response.display_name);
                }
            } catch (error) {
                if (error.status === 404) {
                    loyaltySettingsLog.info('No program configured — showing create form');
                    this.program = null;
                } else {
                    throw error;
                }
            }
        },

        populateForm(program) {
            this.form.loyalty_type = program.loyalty_type || 'points';
            this.form.stamps_target = program.stamps_target || 10;
            this.form.stamps_reward_description = program.stamps_reward_description || 'Free item';
            this.form.stamps_reward_value_cents = program.stamps_reward_value_cents || null;
            this.form.points_per_euro = program.points_per_euro || 10;
            this.form.welcome_bonus_points = program.welcome_bonus_points || 0;
            this.form.minimum_redemption_points = program.minimum_redemption_points || 100;
            this.form.minimum_purchase_cents = program.minimum_purchase_cents || 0;
            this.form.points_expiration_days = program.points_expiration_days || null;
            this.form.points_rewards = (program.points_rewards || []).map(r => ({
                id: r.id,
                name: r.name,
                points_required: r.points_required,
                description: r.description || '',
                is_active: r.is_active !== false,
            }));
            this.form.cooldown_minutes = program.cooldown_minutes ?? 15;
            this.form.max_daily_stamps = program.max_daily_stamps || 5;
            this.form.require_staff_pin = program.require_staff_pin !== false;
            this.form.card_name = program.card_name || '';
            this.form.card_color = program.card_color || '#4F46E5';
            this.form.logo_url = program.logo_url || '';
            this.form.terms_text = program.terms_text || '';
        },

        addReward() {
            const id = 'reward_' + Date.now();
            this.form.points_rewards.push({
                id: id,
                name: '',
                points_required: 100,
                description: '',
                is_active: true,
            });
        },

        async saveProgram() {
            this.saving = true;

            try {
                const payload = { ...this.form };

                // Clean up empty optional fields
                if (!payload.stamps_reward_value_cents) payload.stamps_reward_value_cents = null;
                if (!payload.points_expiration_days) payload.points_expiration_days = null;
                if (!payload.card_name) payload.card_name = null;
                if (!payload.logo_url) payload.logo_url = null;
                if (!payload.terms_text) payload.terms_text = null;

                let response;
                if (this.program) {
                    // Update existing
                    response = await apiClient.put('/store/loyalty/program', payload);
                    Utils.showToast('Program updated successfully', 'success');
                } else {
                    // Create new
                    response = await apiClient.post('/store/loyalty/program', payload);
                    Utils.showToast('Program created successfully', 'success');
                }

                this.program = response;
                this.populateForm(response);

                loyaltySettingsLog.info('Program saved:', response.display_name);
            } catch (error) {
                Utils.showToast(`Failed to save: ${error.message}`, 'error');
                loyaltySettingsLog.error('Save failed:', error);
            } finally {
                this.saving = false;
            }
        },
    };
}

// Register logger
if (!window.LogConfig.loggers.loyaltySettings) {
    window.LogConfig.loggers.loyaltySettings = window.LogConfig.createLogger('loyaltySettings');
}

loyaltySettingsLog.info('Loyalty settings module loaded');