"""
Copyright © IQ.Lvbs, apart of Project Teal Lvbs, All Rights Reserved, licensed under https://konn3kt.com/tos
"""


def extend_fw_versions(fw_versions, new_fw_versions):
  """
    Merge firmware versions by extending lists for matching ECUs,
    adding all entries regardless of duplicates.
  """
  for c, f in new_fw_versions.items():
    if c not in fw_versions:
      fw_versions[c] = f
      continue

    for e, new_fw_list in f.items():
      if e not in fw_versions[c]:
        fw_versions[c][e] = new_fw_list
      else:
        fw_versions[c][e].extend(new_fw_list)

  return fw_versions


def extend_fingerprints(fingerprints, new_fingerprints):
  """
    Merge fingerprints by extending lists for matching keys,
    adding all entries regardless of duplicates.
  """
  for car, fp_list in new_fingerprints.items():
    if car not in fingerprints:
      fingerprints[car] = fp_list
    else:
      fingerprints[car].extend(fp_list)

  return fingerprints