// static/shared/js/utils.js
// noqa: js-001 - Core utilities, may log before logger is available
/**
 * Utility functions for the application
 */

const Utils = {
    /**
     * Format date for display
     * @param {string} dateString - ISO date string
     * @returns {string} Formatted date
     */
    formatDate(dateString) {
        if (!dateString) return '-';

        try {
            const date = new Date(dateString);
            return date.toLocaleDateString('en-US', {
                year: 'numeric',
                month: 'short',
                day: 'numeric'
            });
        } catch (error) {
            console.error('Error formatting date:', error);
            return dateString;
        }
    },

    /**
     * Format date with time
     * @param {string} dateString - ISO date string
     * @returns {string} Formatted date with time
     */
    formatDateTime(dateString) {
        if (!dateString) return '-';

        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) {
            console.error('Error formatting datetime:', error);
            return dateString;
        }
    },

    /**
     * Format currency
     * @param {number} amount - Amount to format
     * @param {string} currency - Currency code (default: USD)
     * @returns {string} Formatted currency
     */
    formatCurrency(amount, currency = 'USD') {
        if (amount === null || amount === undefined) return '-';

        try {
            return new Intl.NumberFormat('en-US', {
                style: 'currency',
                currency: currency
            }).format(amount);
        } catch (error) {
            console.error('Error formatting currency:', error);
            return amount.toString();
        }
    },

    /**
     * Format number with commas
     * @param {number} num - Number to format
     * @returns {string} Formatted number
     */
    formatNumber(num) {
        if (num === null || num === undefined) return '0';
        return num.toLocaleString('en-US');
    },

    /**
     * Show toast notification
     * @param {string} message - Toast message
     * @param {string} type - Toast type: 'success', 'error', 'warning', 'info'
     * @param {number} duration - Duration in ms (default: 3000)
     */
    showToast(message, type = 'info', duration = 3000) {
        // Create toast element
        const toast = document.createElement('div');
        toast.className = `fixed bottom-4 right-4 px-6 py-3 rounded-lg shadow-lg text-white z-50 transition-opacity duration-300 ${
            type === 'success' ? 'bg-green-500' :
            type === 'error' ? 'bg-red-500' :
            type === 'warning' ? 'bg-yellow-500' :
            'bg-blue-500'
        }`;
        toast.textContent = message;

        document.body.appendChild(toast);

        // Fade out and remove
        setTimeout(() => {
            toast.style.opacity = '0';
            setTimeout(() => toast.remove(), 300);
        }, duration);
    },

    /**
     * Debounce function
     * @param {Function} func - Function to debounce
     * @param {number} wait - Wait time in ms
     * @returns {Function} Debounced function
     */
    debounce(func, wait = 300) {
        let timeout;
        return function executedFunction(...args) {
            const later = () => {
                clearTimeout(timeout);
                func(...args);
            };
            clearTimeout(timeout);
            timeout = setTimeout(later, wait);
        };
    },

    /**
     * Get query parameter from URL
     * @param {string} param - Parameter name
     * @returns {string|null} Parameter value
     */
    getQueryParam(param) {
        const urlParams = new URLSearchParams(window.location.search);
        return urlParams.get(param);
    },

    /**
     * Copy text to clipboard
     * @param {string} text - Text to copy
     */
    async copyToClipboard(text) {
        try {
            await navigator.clipboard.writeText(text);
            // Use I18n if available, fallback to hardcoded string
            const message = typeof I18n !== 'undefined' ? I18n.t('clipboard.copied') : 'Copied to clipboard';
            this.showToast(message, 'success');
        } catch (error) {
            console.error('Failed to copy:', error);
            const message = typeof I18n !== 'undefined' ? I18n.t('clipboard.failed') : 'Failed to copy';
            this.showToast(message, 'error');
        }
    },

    /**
     * Truncate string
     * @param {string} str - String to truncate
     * @param {number} maxLength - Maximum length
     * @returns {string} Truncated string
     */
    truncate(str, maxLength = 50) {
        if (!str || str.length <= maxLength) return str;
        return str.substring(0, maxLength - 3) + '...';
    },

    /**
     * Validate email format
     * @param {string} email - Email to validate
     * @returns {boolean} Is valid email
     */
    isValidEmail(email) {
        const re = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
        return re.test(email);
    },

    /**
     * Get status badge class
     * @param {string} status - Status value
     * @returns {string} Tailwind classes for badge
     */
    getStatusBadgeClass(status) {
        const statusClasses = {
            'active': 'bg-green-100 text-green-800 dark:bg-green-800 dark:text-green-100',
            'inactive': 'bg-gray-100 text-gray-800 dark:bg-gray-700 dark:text-gray-100',
            'pending': 'bg-yellow-100 text-yellow-800 dark:bg-yellow-800 dark:text-yellow-100',
            'verified': 'bg-blue-100 text-blue-800 dark:bg-blue-800 dark:text-blue-100',
            'rejected': 'bg-red-100 text-red-800 dark:bg-red-800 dark:text-red-100'
        };
        return statusClasses[status.toLowerCase()] || 'bg-gray-100 text-gray-800';
    }
};

// ============================================================================
// Platform Settings
// ============================================================================
// Make available globally
// Note: PlatformSettings is defined in init-alpine.js for admin pages
window.Utils = Utils;

// Export for modules
if (typeof module !== 'undefined' && module.exports) {
    module.exports = Utils;
}