class Pod::Generator::XCConfig::PrivatePodXCConfig

def add_xcconfig_namespaced_keys(source_config, destination_config, prefix)
  result = destination_config.dup
  source_config.each do |key, value|
    prefixed_key = prefix + conditional_less_key(key)
    current_value = destination_config[key]
    if current_value
      result[key] = "#{current_value} ${#{prefixed_key}}"
    else
      result[key] = "${#{prefixed_key}}"
    end
  end
  result
end

def conditional_less_key(key)
  brackets_index = key.index('[')
  if brackets_index
    key[0...brackets_index]
  else
    key
  end
end

def generate
  search_pahts = target.build_headers.search_paths.concat(target.sandbox.public_headers.search_paths)
  config = {
    'OTHER_LDFLAGS' => XCConfigHelper.default_ld_flags(target),
    'PODS_ROOT'  => '${SRCROOT}',
    'HEADER_SEARCH_PATHS' => XCConfigHelper.quote(search_pahts),
    'GCC_PREPROCESSOR_DEFINITIONS' => 'COCOAPODS=1',
    # 'USE_HEADERMAP' => 'NO'
  }
  xcconfig_hash = add_xcconfig_namespaced_keys(public_xcconfig.to_hash, config, target.xcconfig_prefix)
  @xcconfig = Xcodeproj::Config.new(xcconfig_hash)
  @xcconfig.includes = [target.name]
  @xcconfig
end

def initialize(target, public_xcconfig)
  @target = target
  @public_xcconfig = public_xcconfig
end

def save_as(path)
  generate.save_as(path)
end