feat: add dynamic cya card titles

app/components/check_answers_summary_list_card_component.html.erb

@@ -2,12 +2,7 @@
   <div class="x-govuk-summary-card govuk-!-margin-bottom-6">
     <% if applicable_questions.first.check_answers_card_number != 0 && applicable_questions.first.check_answers_card_number.present? %>
       <div class="x-govuk-summary-card__header">
-        <% if applicable_questions.first.check_answers_card_number == 1 %>
-          <h3 class="x-govuk-summary-card__title">Lead tenant</h3>
-        <% end %>
-        <% if applicable_questions.first.check_answers_card_number > 1 %>
-          <h3 class="x-govuk-summary-card__title">Person <%= applicable_questions.first.check_answers_card_number %></h3>
-        <% end %>
+        <h3 class="x-govuk-summary-card__title"><%= check_answers_card_title(applicable_questions.first) %></h3>
       </div>
     <% end %>
     <div class="x-govuk-summary-card__body">

app/components/check_answers_summary_list_card_component.rb

@@ -15,4 +15,33 @@ class CheckAnswersSummaryListCardComponent < ViewComponent::Base
   def get_answer_label(question)
     question.answer_label(log).presence || "<span class=\"app-!-colour-muted\">You didn’t answer this question</span>".html_safe
   end
+
+  def check_answers_card_title(question)
+    case question.form.type
+    when "lettings"
+      case question.check_answers_card_number
+      when 1
+        "Lead tenant"
+      when 2..8
+        "Person #{question.check_answers_card_number}"
+      end
+    when "sales"
+      case log[:jointpur]
+      when 1
+        case question.check_answers_card_number
+        when 1..2
+          "Buyer #{question.check_answers_card_number}"
+        when 3..6
+          "Person #{question.check_answers_card_number - 2}"
+        end
+      when 2
+        case question.check_answers_card_number
+        when 1
+          "Buyer #{question.check_answers_card_number}"
+        when 2..5
+          "Person #{question.check_answers_card_number - 1}"
+        end
+      end
+    end
+  end
 end