module FastlaneCore
  class FastlaneFolder
    FOLDER_NAME = 'fastlane'

    # Path to the fastlane folder containing the Fastfile and other configuration files
    def self.path
      value ||= "./#{FOLDER_NAME}/" if File.directory?("./#{FOLDER_NAME}/")
      value ||= "./.#{FOLDER_NAME}/" if File.directory?("./.#{FOLDER_NAME}/") # hidden folder
      value ||= "./" if File.basename(Dir.getwd) == FOLDER_NAME && File.exist?('Fastfile') # inside the folder
      value ||= "./" if File.basename(Dir.getwd) == ".#{FOLDER_NAME}" && File.exist?('Fastfile') # inside the folder and hidden
      return value
    end

    # Path to the Fastfile inside the fastlane folder. This is nil when none is available
    def self.fastfile_path
      path = File.join(self.path || '.', 'Fastfile')
      return path if File.exist?(path)
      return nil
    end

    # Does a fastlane configuration already exist?
    def self.setup?
      return false unless self.fastfile_path
      File.exist?(self.fastfile_path)
    end

    def self.create_folder!(path = nil)
      path = File.join(path || '.', FOLDER_NAME)
      return if File.directory?(path) # directory is already there
      UI.user_error!("Found a file called 'fastlane' at path '#{path}', please delete it") if File.exist?(path)
      FileUtils.mkdir_p(path)
      UI.success "Created new folder '#{path}'."
    end
  end
end