class Appsignal::Utils::HashSanitizer

def inspected(value)
  "#<#{value.class}>"
end

def sanitize(value, filter_keys = [])
  sanitize_value(value, filter_keys)
end

def sanitize_array(source, filter_keys)
  [].tap do |array|
    source.each_with_index do |item, index|
      array[index] = sanitize_value(item, filter_keys)
    end
  end
end

def sanitize_hash(source, filter_keys)
  {}.tap do |hash|
    source.each_pair do |key, value|
      hash[key] =
        if filter_keys.include?(key.to_s)
          FILTERED
        else
          sanitize_value(value, filter_keys)
        end
    end
  end
end

def sanitize_value(value, filter_keys)
  case value
  when Hash
    sanitize_hash(value, filter_keys)
  when Array
    sanitize_array(value, filter_keys)
  when TrueClass, FalseClass, NilClass, Integer, String, Symbol, Float
    unmodified(value)
  else
    inspected(value)
  end
end

def unmodified(value)
  value
end