module ChangeBundleID

# File lib/change_bundleid.rb, line 6
def self.change_bundle_id(project_filepath, target_name, project_configuration, new_bundle_ID, verbose, skip_plist)

  project_directory=File.dirname project_filepath
  unless File.directory?(project_directory)
    puts "ERROR: The project folder '#{project_directory}' doesn't exist."
    exit -12
  end

  unless File.exists?(project_filepath)
    puts "ERROR: The project file '#{project_filepath}' doesn't exist."
    exit -12
  end

  puts "*** Parsing project at '#{project_filepath}'" if verbose == true
  project = Xcodeproj::Project.open(project_filepath)
  target = project.targets.find { |t| t.name == target_name }
  if target.nil?
    puts "ERROR: Unable to find target '#{target_name}'!"
    exit -12
  end

  configuration = target.build_configurations.find { |c| c.name == project_configuration }
  if configuration.nil?
    puts "ERROR: Unable to find configuration '#{project_configuration}'!"
    exit -12
  end

  puts "*** Setting Xcode Project's PRODUCT_BUNDLE_IDENTIFIER to '#{new_bundle_ID}' on target '#{target_name}' for configuration '#{project_configuration}'" if verbose == true

  configuration.build_settings['PRODUCT_BUNDLE_IDENTIFIER'] = new_bundle_ID
  project.save
  

  if skip_plist == true then 
    puts "*** Skipping info_plist" if verbose == true
    return 0
  end

  puts "*** Looking for Info.plist location" if verbose == true
  relative_plist_path = configuration.build_settings['INFOPLIST_FILE']
  relative_plist_path ||= project.build_settings(project_configuration)['INFOPLIST_FILE']
  if relative_plist_path.nil?
    puts "ERROR: Unable to find info.plist path within the project!"
    exit -13
  end

  info_plist_file = File.join project_directory, relative_plist_path

  # weak attempt to sanitize the file path
  info_plist_file.slice! "$(SRCROOT)"

  unless File.exists? info_plist_file
    puts "ERROR: Unable to find info.plist file at path '#{info_plist_file}'!"
    exit -15
  end

  puts "*** Found Info.plist file at path #{info_plist_file}" if verbose == true
  puts "*** Resetting Info.plist's Bundle Identifier to '$(PRODUCT_BUNDLE_IDENTIFIER)'" if verbose == true
  result = Plist::parse_xml(info_plist_file)
  result['CFBundleIdentifier'] = "$(PRODUCT_BUNDLE_IDENTIFIER)"

  File.open(info_plist_file, 'w') { |file| file.write(result.to_plist) }
end