Kind of working booster packs

Assets/Scripts/Data/CardSystem/CardSystemManager.cs

@@ -273,5 +273,79 @@ namespace Data.CardSystem
             
             return (float)collectedInZone / totalInZone * 100f;
         }
+        
+        /// <summary>
+        /// Returns all available card definitions in the system
+        /// </summary>
+        public List<CardDefinition> GetAllCardDefinitions()
+        {
+            return new List<CardDefinition>(availableCards);
+        }
+        
+        /// <summary>
+        /// Returns direct access to the player's card inventory
+        /// For advanced operations and testing
+        /// </summary>
+        public CardInventory GetCardInventory()
+        {
+            return playerInventory;
+        }
+        
+        /// <summary>
+        /// Returns cards filtered by both zone and rarity
+        /// </summary>
+        public List<CardData> GetCardsByZoneAndRarity(CardZone zone, CardRarity rarity)
+        {
+            List<CardData> zoneCards = GetCardsByZone(zone);
+            return zoneCards.FindAll(c => c.Rarity == rarity);
+        }
+        
+        /// <summary>
+        /// Returns the count of cards by rarity
+        /// </summary>
+        public int GetCardCountByRarity(CardRarity rarity)
+        {
+            return playerInventory.GetCardsByRarity(rarity).Count;
+        }
+        
+        /// <summary>
+        /// Returns the count of cards by zone
+        /// </summary>
+        public int GetCardCountByZone(CardZone zone)
+        {
+            return playerInventory.GetCardsByZone(zone).Count;
+        }
+        
+        /// <summary>
+        /// Gets the total number of card definitions available in the system
+        /// </summary>
+        public int GetTotalCardDefinitionsCount()
+        {
+            return availableCards.Count;
+        }
+        
+        /// <summary>
+        /// Gets the total collection completion percentage (0-100)
+        /// </summary>
+        public float GetTotalCompletionPercentage()
+        {
+            if (availableCards.Count == 0) return 0;
+            return (float)GetUniqueCardCount() / availableCards.Count * 100f;
+        }
+        
+        /// <summary>
+        /// Gets total completion percentage for a specific rarity (0-100)
+        /// </summary>
+        public float GetRarityCompletionPercentage(CardRarity rarity)
+        {
+            // Count available cards of this rarity
+            int totalOfRarity = availableCards.FindAll(c => c.Rarity == rarity).Count;
+            if (totalOfRarity == 0) return 0;
+            
+            // Count collected cards of this rarity
+            int collectedOfRarity = playerInventory.GetCardsByRarity(rarity).Count;
+            
+            return (float)collectedOfRarity / totalOfRarity * 100f;
+        }
     }
 }