module CopyTunerClient::DottedHash

def conflict_keys(dotted_hash)
  all_keys = dotted_hash.keys.sort
  results = {}
  all_keys.each_with_index do |key, index|
    prefix = "#{key}."
    conflict_keys = ((index + 1)..Float::INFINITY)
      .take_while { |i| all_keys[i]&.start_with?(prefix) }
      .map { |i| all_keys[i] }
    if conflict_keys.present?
      results[key] = conflict_keys
    end
  end
  results
end

def to_h(dotted_hash)
  hash = {}
  dotted_hash.to_h.transform_keys(&:to_s).sort.each do |key, value|
    _hash = key.split('.').reverse.inject(value) { |memo, key| { key => memo } }
    hash.deep_merge!(_hash)
  end
  hash
end