6 files changed, 37 insertions, 10 deletions
diff --git a/app/controllers/activities_controller.rb b/app/controllers/activities_controller.rb
index 43ee1b0..37403c7 100644
--- a/app/controllers/activities_controller.rb
+++ b/app/controllers/activities_controller.rb
@@ -8,8 +8,11 @@ class ActivitiesController < ApplicationController
     if current_char.start_activity(@activity, queued_actions: params[:queued_actions])
       redirect_to activity_path(@activity)
     else
-      flash[:alert] = "You can't do that. Make sure you have the items and meet the requirements."
-      redirect_to character_path(current_char)
+      message = "You can't do that."
+      message += " (requires #{@activity.requirements&.join(", ")})" if @activity.requirements
+      message += " (costs #{@activity.costs&.join(", ")})" if @activity.costs
+      flash[:alert] = message
+      redirect_back(fallback_location: character_path(current_char))
     end
   end
 end
diff --git a/app/javascript/stylesheets/core.css b/app/javascript/stylesheets/core.css
index 5829130..9bfb19b 100644
--- a/app/javascript/stylesheets/core.css
+++ b/app/javascript/stylesheets/core.css
@@ -1,3 +1,7 @@
+.flash-message {
+  @apply block rounded my-2 p-2;
+}
+
 .table-header-padded {
   @apply px-2 py-1;
 }
diff --git a/app/models/activity.rb b/app/models/activity.rb
index 7272a3b..562abf4 100644
--- a/app/models/activity.rb
+++ b/app/models/activity.rb
@@ -6,14 +6,29 @@ class Activity < ApplicationRecord
 
   attribute :innate, :boolean, default: false
 
-  def cost_string
-    requirements = []
+  def costs
+    costs = []
     self.whatnot[:cost].each do |cost|
       case cost[:type]
       when "item"
-        requirements.push "#{cost[:quantity]} #{Item.find_by_gid(cost[:gid]).name}"
+        costs.push "#{cost[:quantity]} #{Item.find_by_gid(cost[:gid]).name}"
+      end
+    end
+    costs
+  end
+
+  def requirements
+    requirements = []
+    self.whatnot[:requirements].each do |req|
+      case req[:type]
+      when "skill"
+        requirements.push "level #{req[:level]} #{Skill.find_by_gid(req[:gid]).name}"
+      when "hearth_amenity"
+        requirements.push "level #{req[:level]} #{HearthAmenity.find_by_gid(req[:gid]).name}"
+      else
+        raise "Invalid requirement type string (#{req[:type]})"
       end
     end
-    requirements.join(", ")
+    requirements
   end
 end
diff --git a/app/views/application/_flash_messages.html.erb b/app/views/application/_flash_messages.html.erb
new file mode 100644
index 0000000..a1c7467
--- /dev/null
+++ b/app/views/application/_flash_messages.html.erb
@@ -0,0 +1,6 @@
+<% if notice %>
+  <div class="flash-message bg-gray-700 text-gray-200"><%= notice %></div>
+<% end %>
+<% if alert %>
+  <div class="flash-message bg-red-800 text-red-300"><%= alert %></div>
+<% end %>
diff --git a/app/views/characters/hearth/index.html.erb b/app/views/characters/hearth/index.html.erb
index 82dfbe8..20b6fc0 100644
--- a/app/views/characters/hearth/index.html.erb
+++ b/app/views/characters/hearth/index.html.erb
@@ -33,7 +33,7 @@
               <%= f.hidden_field :queued_actions, value: 0 %>
               <%= f.submit construct_activity.name %>
             <% end %>
-            <div class="text-sm">(costs <%= construct_activity.cost_string %>)</div>
+            <div class="text-sm">(costs <%= construct_activity.costs.join(", ")%>)</div>
           </div>
         <% end %>
       </div>
@@ -47,5 +47,5 @@
     <%= f.hidden_field :queued_actions, value: 0 %>
     <%= f.submit construct_activity.name %>
   <% end %>
-  (costs <%= construct_activity.cost_string %>)
+  (costs <%= construct_activity.costs.join(", ")%>)
 <% end %>
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 9b9b23a..7ce8860 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -21,8 +21,7 @@
           <%= render "navbar" %>
         <% end %>
         <div class="game-container-box col-span-12 sm:col-span-8">
-          <p><%= notice %></p>
-          <p><%= alert %></p>
+          <%= render "flash_messages" %>
           <%= yield %>
         </div>
         <% if user_signed_in? %>