class Eco::API::UseCases::Default::Utils::SplitCsv
  class Cli < Eco::API::UseCases::Cli
    desc "Splits an input file into multiple ones"

    callback do |_sess, options, _case|
      file = SCR.get_file(cli_name, required: true, should_exist: true)
      options.deep_merge!(source: {file: file})
    end

    add_option("-max-rows", "The max count of rows of the output files") do |options|
      count = SCR.get_arg("-max-rows", with_param: true)
      options.deep_merge!(output: {file: {max_rows: count}})
    end

    add_option("-start-at", "Get only the last N-start_at rows") do |options|
      count = SCR.get_arg("-start-at", with_param: true)
      options.deep_merge!(output: {file: {start_at: count}})
    end
  end
end