<%= form_with(model: command, local: true) do |form| %>
  <% if command.errors.any? %>
    <div id="error_explanation">
      <h2><%= command.errors.count %> 個のエラーが検出されました。入力欄の修正をお願いします。</h2>

      <ul>
      <% command.errors.full_messages.each do |message| %>
        <li><%= message %></li>
      <% end %>
      </ul>
    </div>
  <% end %>

  <div class="field">
    <%= form.label :name %>
    <%= form.text_field :name, size: CommandsController::COMMAND_FIELD_NAME_SIZE,
                               maxlength: CommandsController::COMMAND_FIELD_NAME_MAX_LENGTH %>
  </div>

  <div class="field">
    <%= form.label :contents %>
    <%= form.text_area :contents, size: CommandsController::COMMAND_FIELD_CONTENTS_SIZE,
                                  maxlength: CommandsController::COMMAND_FIELD_CONTENTS_MAX_LENGTH %>
  </div>

  <div class="field">
    <%= form.label :description %>
    <%= form.text_area :description, size: CommandsController::COMMAND_FIELD_DESCRIPTION_SIZE,
                               maxlength: CommandsController::COMMAND_FIELD_DESCRIPTION_MAX_LENGTH %>
  </div>

  <%#= コマンドを追加する際に、関連するカテゴリで追加するためにidが必要 %>
  <%= hidden_field_tag :category_id, flash[:category_id] %>

  <div class="actions">
    <%= form.submit %>
  </div>
<% end %>