module Eco
  module API
    class MicroCases
      # Helper to upload target files to `S3`.
      # @return [Array<String>] the paths in `S3` of the uploaded files.
      def s3upload_targets # rubocop:disable Metrics/AbcSize
        [].tap do |paths|
          session.config.s3storage.target_files.each_with_object(paths) do |file, arr|
            arr.push(session.s3upload(file: file))
          end

          session.config.s3storage.target_directories.each_with_object(paths) do |folder, arr|
            arr.concat(session.s3upload(directory: folder))
          end

          session.config.s3storage.target_file_patterns.each_with_object(paths) do |pattern, arr|
            filenames = []
            case pattern
            when Regexp
              Dir.entries(".").sort.each do |file|
                next unless File.file?(file) # Skip directories
                filenames.push(file) if file =~ pattern
              end
            when String
              Dir.glob(pattern).sort.each do |file|
                next unless File.file?(file) # Skip directories
                filenames.push(file)
              end
            else
              # missconfiguration
            end
            filenames.each do |file|
              arr.push(session.s3upload(file: file))
            end
          end
        end
      end
    end
  end
end