<%
  id ||= "input-#{SecureRandom.hex(4)}"
  name ||= nil
  items ||= [
    { :name => "day", :width => 2 },
    { :name => "month", :width => 2 },
    { :name => "year", :width => 4 }
  ]

  legend_text ||= nil
  hint ||= nil
  error_message ||= nil
  describedby ||= nil

  css_classes = %w(gem-c-date-input govuk-date-input)
  form_group_css_classes = %w(govuk-form-group)
  form_group_css_classes << "govuk-form-group--error" if error_message

  hint_id = "hint-#{SecureRandom.hex(4)}"
  error_id = "error-#{SecureRandom.hex(4)}"

  aria_described_by ||= nil
  if hint || error_message || describedby
    aria_described_by = []
    aria_described_by << hint_id if hint
    aria_described_by << error_id if error_message
    aria_described_by << describedby if describedby
    aria_described_by = aria_described_by.join(" ")
  end

%>

<%= content_tag :div, class: form_group_css_classes do %>
  <% fieldset_content = capture do %>
    <% if hint %>
      <%= render "govuk_publishing_components/components/hint", {
        id: hint_id,
        text: hint,
        margin_bottom: 2
      } %>
    <% end %>

    <% if error_message %>
      <%= render "govuk_publishing_components/components/error_message", {
        id:  error_id,
        text: error_message
      } %>
    <% end %>

    <%= tag.div class: css_classes, id: id do %>
      <% items.each do |item| %>
        <%= tag.div class: "govuk-date-input__item" do %>
          <%= render "govuk_publishing_components/components/input", {
            label: {
              text: item[:label] || item[:name].capitalize
            },
            grouped: true,
            has_error: error_message,
            name: name ? (name + "[" + item[:name] + "]") : item[:name],
            value: item[:value],
            width: item[:width],
            id: item[:id],
            type: "number",
            data: item[:data],
            autocomplete: item[:autocomplete]
          } %>
        <% end %>
      <% end %>
    <% end %>
  <% end %>

  <% if legend_text %>
    <%= render "govuk_publishing_components/components/fieldset", {
      describedby: aria_described_by,
      legend_text: legend_text,
      text: fieldset_content,
      role: "group"
    } %>
  <% else %>
    <%= fieldset_content %>
  <% end %>
<% end %>