# frozen_string_literal: true

module Avm
  module EacWebappBase0
    class Deploy
      class FileUnit < ::SimpleDelegator
        attr_reader :data_key, :fs_path_subpath

        def initialize(deploy, data_key, fs_path_subpath)
          super(deploy)
          @data_key = data_key
          @fs_path_subpath = fs_path_subpath
        end

        def run
          assert_source_directory
          link_source_target
        end

        def assert_source_directory
          infom "Asserting \"#{data_key}\" source directory..."
          instance.host_env.command('mkdir', '-p', source_path).execute!
        end

        def source_path
          ::File.join(instance.install_data_path, data_key.to_s)
        end

        def target_path
          ::File.join(instance.read_entry(::Avm::Instances::EntryKeys::FS_PATH),
                      fs_path_subpath.to_s)
        end

        def link_source_target
          infom "Linking \"#{data_key}\" directory..."
          instance.host_env.command('rm', '-rf', target_path).execute!
          instance.host_env.command('ln', '-s', source_path, target_path).execute!
        end
      end
    end
  end
end