/**
 * Simple MD5 hash implementation for password hashing
 * Note: In production, use bcrypt or similar for better security
 */

/**
 * Create MD5 hash of a string
 */
export function hashPassword(password: string): string {
  // Simple hash function for demo purposes
  // In production, use bcrypt or similar
  let hash = 0
  if (password.length === 0) return hash.toString()

  for (let i = 0; i < password.length; i++) {
    const char = password.charCodeAt(i)
    hash = (hash << 5) - hash + char
    hash = hash & hash // Convert to 32-bit integer
  }

  return Math.abs(hash).toString(16)
}

/**
 * Verify password against hash
 */
export function verifyPassword(password: string, hash: string): boolean {
  return hashPassword(password) === hash
}

/**
 * Generate MD5 hash (legacy support)
 */
export function md5Hash(input: string): string {
  return hashPassword(input)
}

/**
 * Verify MD5 hash (legacy support)
 */
export function verifyMd5Hash(input: string, hash: string): boolean {
  return verifyPassword(input, hash)
}