export function formatDate(dateString: string): string {
  const date = new Date(dateString);
  const months = [
    'ianuarie', 'februarie', 'martie', 'aprilie', 'mai', 'iunie',
    'iulie', 'august', 'septembrie', 'octombrie', 'noiembrie', 'decembrie'
  ];

  return `${date.getDate()} ${months[date.getMonth()]} ${date.getFullYear()}`;
}

export function formatRelativeDate(dateString: string): string {
  const date = new Date(dateString);
  const now = new Date();
  const diffTime = Math.abs(now.getTime() - date.getTime());
  const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));

  if (diffDays === 0) return 'astăzi';
  if (diffDays === 1) return 'ieri';
  if (diffDays < 7) return `acum ${diffDays} zile`;
  if (diffDays < 30) return `acum ${Math.floor(diffDays / 7)} săptămâni`;
  if (diffDays < 365) return `acum ${Math.floor(diffDays / 30)} luni`;
  return `acum ${Math.floor(diffDays / 365)} ani`;
}

export function generateExcerpt(content: string, maxLength = 160): string {
  const text = content
    .replace(/^---[\s\S]*?---/, '')
    .replace(/!\[.*?\]\(.*?\)/g, '')
    .replace(/\[([^\]]+)\]\([^\)]+\)/g, '$1')
    .replace(/[#*`]/g, '')
    .trim();

  if (text.length <= maxLength) return text;

  const truncated = text.slice(0, maxLength);
  const lastSpace = truncated.lastIndexOf(' ');
  return truncated.slice(0, lastSpace) + '...';
}

export function generateSlug(title: string): string {
  const romanianMap: Record<string, string> = {
    'ă': 'a', 'â': 'a', 'î': 'i', 'ș': 's', 'ț': 't',
    'Ă': 'a', 'Â': 'a', 'Î': 'i', 'Ș': 's', 'Ț': 't'
  };

  return title
    .split('')
    .map(char => romanianMap[char] || char)
    .join('')
    .toLowerCase()
    .replace(/[^a-z0-9]+/g, '-')
    .replace(/^-+|-+$/g, '');
}