module PokedexHelper

  def pokedex_table(all_species, trainers)
    final_result = "".html_safe

    all_species.each do |species|
      noted_trainers = species.pokedex_entries.to_a

      if noted_trainers.empty?
        poke_name = "???"
        poke_image = image_tag "icons/0.png"
      else
        poke_name = species.name
        poke_image = image_tag "icons/#{species.id}.png"
      end

      result = "".html_safe

      result << tag.th("\##{species.id}")
      result << tag.th(poke_name)
      result << tag.th(poke_image)

      trainers.each do |trainer|
        if !noted_trainers.empty? and noted_trainers.first.trainer_id == trainer.id
          nt = noted_trainers.shift

          if nt.caught
            result << tag.td(trainer.display_number,
              class: ["pkvd-caught", trainer.game])
          else
            result << tag.td(trainer.display_number,
              class: ["pkvd-seen", trainer.game])
          end
        else
          result << tag.td(trainer.display_number, class: "pkvd-unseen")
        end
      end

      result << tag.td(
        species.current_revisions.map {
          |p| link_to p.nickname, p.pokemon }.join(", ").html_safe)

      final_result << tag.tr(result)
    end

    tag.table(final_result, class: "pkvd-table")
  end

end