# frozen_string_literal: true

require 'eac_cli/core_ext'
require 'ehbrs/videos/extract/package'

module Ehbrs
  class Runner
    class Videos
      class Extract
        require_sub __FILE__

        DEFAULT_QUALITIES = %w[1080 720 web webrip hdtv].freeze

        runner_with :help do
          desc 'Extrai arquivos de seriados.'
          arg_opt '-d', '--dir', 'Extraí para diretório.'
          bool_opt '-D', '--delete', 'Remove o pacote após o processamento.'
          arg_opt '-q', '--qualities', 'Lista de qualidades.'
          pos_arg 'packages', repeat: true
        end

        def run
          start_banner
          packages.each do |package|
            infov 'Package', package
            package.run(parsed.delete?)
          end
        end

        private

        def packages_uncached
          parsed.packages?.map do |p|
            ::Ehbrs::Videos::Extract::Package.new(p, target_dir, qualities)
          end
        end

        def qualities_uncached
          (parsed.qualities.to_s.split(',') + DEFAULT_QUALITIES).uniq
        end

        def start_banner
          infov 'Packages', packages.count
          infov 'Qualities', qualities
          infov 'Target directory', target_dir
        end

        def target_dir_uncached
          parsed.dir.if_present(&:to_pathname) || default_target_dir
        end

        def default_target_dir
          r = parsed.packages.first.to_pathname.basename('.*')
          return r unless r.exist?

          r = r.basename_sub { |b| "#{b}_extract" }
          index = 0
          loop do
            return r unless r.exist?

            index += 1
            r = r.basename_sub { |b| "#{b}_#{index}" }
          end
        end
      end
    end
  end
end