/**
 * CSV parser that handles quoted fields
 */
export function parseCSVLine(line: string): string[] {
  const values: string[] = [];
  let current = '';
  let inQuotes = false;

  for (let i = 0; i < line.length; i++) {
    const char = line[i];
    const nextChar = line[i + 1];

    if (char === '"') {
      if (inQuotes && nextChar === '"') {
        // Escaped quote
        current += '"';
        i++;
      } else {
        // Toggle quote state
        inQuotes = !inQuotes;
      }
    } else if (char === ',' && !inQuotes) {
      // Field separator
      values.push(current.trim());
      current = '';
    } else {
      current += char;
    }
  }

  // Add the last field
  values.push(current.trim());
  return values;
}