/**
 * Format seconds into a human-readable time string
 * For durations under 1 hour: m:ss (e.g., 5:32)
 * For durations 1 hour or more: h:mm:ss (e.g., 1:05:32)
 */
export function formatTime(seconds: number): string {
    if (isNaN(seconds) || !isFinite(seconds) || seconds < 0) return "0:00";
    
    const hours = Math.floor(seconds / 3600);
    const mins = Math.floor((seconds % 3600) / 60);
    const secs = Math.floor(seconds % 60);
    
    if (hours > 0) {
        return `${hours}:${mins.toString().padStart(2, "0")}:${secs.toString().padStart(2, "0")}`;
    }
    return `${mins}:${secs.toString().padStart(2, "0")}`;
}

/**
 * Format seconds into a human-readable duration string
 * Always shows full format for clarity (e.g., "2h 30m" or "45m")
 */
export function formatDuration(seconds: number): string {
    if (isNaN(seconds) || !isFinite(seconds) || seconds < 0) return "0m";
    
    const hours = Math.floor(seconds / 3600);
    const mins = Math.floor((seconds % 3600) / 60);
    
    if (hours > 0) {
        if (mins > 0) {
            return `${hours}h ${mins}m`;
        }
        return `${hours}h`;
    }
    return `${mins}m`;
}