// PlanTempusAdmin - Site JavaScript

document.addEventListener('DOMContentLoaded', () => {
    // Set active nav link based on current path
    const currentPath = window.location.pathname;
    const navLinks = document.querySelectorAll('.nav-link');

    navLinks.forEach(link => {
        const href = link.getAttribute('href');
        if (href === currentPath || (currentPath === '/' && href === '/')) {
            link.classList.add('active');
        }
    });
});

// Utility function for API calls
async function fetchApi(url, options = {}) {
    try {
        const response = await fetch(url, {
            headers: {
                'Content-Type': 'application/json',
                ...options.headers
            },
            ...options
        });

        if (!response.ok) {
            throw new Error(`HTTP error! status: ${response.status}`);
        }

        return await response.json();
    } catch (error) {
        console.error('API Error:', error);
        throw error;
    }
}

// Format date for display
function formatDate(dateString) {
    const date = new Date(dateString);
    return date.toLocaleString('da-DK', {
        year: 'numeric',
        month: '2-digit',
        day: '2-digit',
        hour: '2-digit',
        minute: '2-digit',
        second: '2-digit'
    });
}

// Format bytes to human readable
function formatBytes(bytes) {
    if (bytes === 0) return '0 B';
    const k = 1024;
    const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
    const i = Math.floor(Math.log(bytes) / Math.log(k));
    return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
}