class EcoRake
  module Lib
    module Files
      class Sftp < EcoRake::Lib::BaseTask
        FORWARD_RULES = {
          enviro:   ->(enviro) { "-#{enviro}" },
          folder:   ->(folder) { "-local-folder #{folder}"},
          list:     '-list',
          get_last: '-get-last',
          get:      '-get',
          archive:  '-archive',
          file_pattern:     ->(str) { "-file-pattern-const #{str}"},
          remote_subfolder: ->(sub) { "-remote-subfolder #{sub}"}
        }.freeze

        options_with_defaults true

        option '-e', '--enviro ENVIRO', String, desc: 'Target environment to run against (i.e. org, live)', required: true
        option '-d', '--folder NAME', default: '.', desc: 'Source local folder'
        option '-l', '--list', TrueClass, desc: 'Lists available CSV feed files'
        option '-g', '--get', TrueClass, desc: 'Gets all available CSV feed files'
        option '-t', '--get-last', TrueClass, desc: 'Gets the last available CSV feed file'
        option '-a', '--archive', TrueClass, desc: "Moves the remote CSV feed files to the '/Archive' folder"
        option '-p', '--file-pattern CONST', String, desc: "Specifies a const to use as the target file pattern"
        option '-r', '--remote-subfolder SUBFOLDER', String, desc: "Remote subfolder of the env (at the top of the enviro folder)"

        option_forwarding(**FORWARD_RULES)

        # attr_const :target_enviro, required: true
        # option_reopen :enviro, default_lookup: :target_enviro

        def task(*_args)
          sh_exit_on_fail sftp_command
        end

        private

        def sftp_command
          cmd  = [base_command]
          cmd << forward_option(:folder)
          cmd << forward_options(:list, :get_last, :get, :archive).compact.first || '-list'
          cmd.push(*forward_options(:remote_subfolder, :file_pattern))
          cmd << '-no-people'
          cmd = yield(cmd) if block_given?
          string_cmd(*cmd)
        end

        def base_command
          string_cmd(ruby_runner, forward_option(:enviro), '-sftp')
        end
      end
    end
  end
end