check if hero points can be spent before showing the "Use HP" button.

1 files changed, 39 insertions, 4 deletions

diff --git a/rules.ts b/rules.ts
index 3a320c5..277d2b2 100644
--- a/rules.ts
+++ b/rules.ts
@@ -159,12 +159,47 @@ function gen_action_medallion(medallion_id: number) {
   gen_action('medallion', medallion_id);
 }
 
+function can_spend_any_hero_points(faction) {
+  let hero_points = game.hero_points[faction];
+  if (hero_points >= 1) {
+    if (can_draw_any_hand_cards(faction))
+      return true;
+    if (can_use_medallion(ARCHIVES_MEDALLION_ID, faction) && game.triggered_track_effects.length > 0)
+      return true;
+    if (can_use_medallion(VOLUNTEERS_MEDALLION_ID, faction))
+      return true;
+    if (hero_points >= 2) {
+      if (game.bonuses[0] === OFF)
+        return true;
+      if (game.bonuses[1] === OFF)
+        return true;
+      if (can_move_track_up(FOREIGN_AID))
+        return true;
+      if (can_move_track_up(SOVIET_SUPPORT))
+        return true;
+      if (hero_points >= 3) {
+        if (can_move_track_up(COLLECTIVIZATION))
+          return true;
+        if (can_move_track_up(LIBERTY))
+          return true;
+        if (hero_points >= 4) {
+          if (can_move_track_up(GOVERNMENT))
+            return true;
+        }
+      }
+    }
+  }
+  return false;
+}
+
 function gen_spend_hero_points() {
   const faction = get_active_faction();
-  const can_spend_hp =
-    game.faction_turn === faction && game.hero_points[faction] > 0;
-  if (can_spend_hp) {
-    gen_action('spend_hp');
+  if (game.faction_turn === faction) {
+    if (can_spend_any_hero_points(faction)) {
+      view.actions['spend_hp'] = 1;
+    } else {
+      view.actions['spend_hp'] = 0;
+    }
   }
 }