# encoding: utf-8
module LocalPac
  module Actions
    class AddExamplesToLocalStorage
      
      private

      attr_reader :repo, :files, :options, :vcs_engine, :storage_path

      public

      def initialize(storage_path, options = {}, vcs_engine = GitRepository)
        @options      = options
        @vcs_engine   = vcs_engine
        @storage_path = storage_path
      end

      def run
        @files        = Dir.glob(::File.expand_path('../../../../files/examples/*', __FILE__)).collect do |f| 
          OpenStruct.new(repo_path: "examples/#{::File.basename(f)}", name: "examples::#{::File.basename(f).sub(/\.[^.]+$/, '')}".to_sym, content: ::File.read(f))
        end
        @files << OpenStruct.new(repo_path: 'proxy.pac', name: :proxy, content: ::File.read(::File.expand_path('../../../../files/proxy.pac', __FILE__)))

        begin
          @repo = vcs_engine.new(storage_path)
        rescue Rugged::OSError
          raise Exceptions::RepositoryDoesNotExist, "Sorry, but the repository at #{storage_path} does not exist" unless ::Dir.exists? storage_path
        end

        if need_to_run? || options[:force] == true
          files.each { |f| repo.add_content(f.repo_path, f.content) }
          repo.add_content('proxy.pac', ::File.read(::File.expand_path('../../../../files/proxy.pac', __FILE__)))
        else
          LocalPac.ui_logger.warn "Example files already exists. Do not create them again!."
        end
      end

      private

      def need_to_run?
        files.any? { |f| repo.find_file(f.name).nil? }
      end
    end
  end
end