function parseDate(input) {
    if (!input) return null;
    
    // Try to parse as number (seconds) first, even if string
    const num = Number(input);
    if (!isNaN(num)) {
        return new Date(num * 1000);
    }

    const date = new Date(input);
    if (isNaN(date.getTime())) return null;
    return date;
}

export function formatDateTime(input) {
    const date = parseDate(input);
    if (!date) return "";
    const pad = (n) => String(n).padStart(2, "0");
    return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())} ${pad(date.getHours())}:${pad(date.getMinutes())}`;
}

export function formatDate(input) {
    const date = parseDate(input);
    if (!date) return "";
    const day = date.getDate().toString().padStart(2, '0');
    const month = (date.getMonth() + 1).toString().padStart(2, '0');
    return `${day}/${month}`;
}

export function formatTime(input) {
    const date = parseDate(input);
    if (!date) return "";
    const hours = date.getHours().toString().padStart(2, '0');
    const minutes = date.getMinutes().toString().padStart(2, '0');
    return `${hours}:${minutes}`;
}

// Format timestamp (unix seconds or date string) to human readable string
export function formatTimestamp(input) {
    const date = parseDate(input);
    if (!date) return "";
    
    // Always show date and time for better precision
    // Example: 04/07 14:30
    const day = date.getDate().toString().padStart(2, '0');
    const month = (date.getMonth() + 1).toString().padStart(2, '0');
    const hours = date.getHours().toString().padStart(2, '0');
    const minutes = date.getMinutes().toString().padStart(2, '0');
    
    return `${day}/${month} ${hours}:${minutes}`;
}


// Format duration (seconds) to human readable string (e.g. 1m 30s)
export function formatDuration(seconds) {
    if (!seconds) return "";
    if (seconds < 60) return `${Math.round(seconds)}s`;
    const m = Math.floor(seconds / 60);
    const s = Math.round(seconds % 60);
    return `${m}m ${s}s`;
}