export function formatTime(totalSeconds) {
    const isNegative = totalSeconds < 0;
    if (isNegative) {
      totalSeconds = -totalSeconds;
    }
  
    const minutes = Math.floor(totalSeconds / 60);
    const seconds = totalSeconds % 60;
  
    const paddedMinutes = String(minutes).padStart(2, '0');
    const paddedSeconds = String(seconds).padStart(2, '0');
  
    return `${isNegative ? '-' : ''}${paddedMinutes}:${paddedSeconds}`;
  }
  
  export function parseTime(timeString) { // MM:SS or -MM:SS
    if (!timeString || typeof timeString !== 'string') return 0;
    const isNegative = timeString.startsWith('-');
    if (isNegative) {
      timeString = timeString.substring(1);
    }
    const parts = timeString.split(':');
    if (parts.length !== 2) return 0;
    
    const minutes = parseInt(parts[0], 10);
    const seconds = parseInt(parts[1], 10);
  
    if (isNaN(minutes) || isNaN(seconds)) return 0;
    
    let totalSeconds = (minutes * 60) + seconds;
    return isNegative ? -totalSeconds : totalSeconds;
  }