imtial commit

Assets/Scripts/UI/ShopUI.cs

@@ -0,0 +1,107 @@
+using System.Collections.Generic;
+using TMPro;
+using UnityEngine;
+using WarGame.Data;
+using WarGame.Managers;
+
+namespace WarGame.UI
+{
+    public class ShopUI : MonoBehaviour
+    {
+        [Header("UI References")]
+        [SerializeField] private TMP_Text goldDisplayText;
+        [SerializeField] private Transform cardsContainer;
+        [SerializeField] private GameObject cardPrefab;
+        [SerializeField] private GameObject shopPanel;
+
+        [Header("Shop Catalog")]
+        [SerializeField] private List<UnitDataSO> purchasableUnits = new List<UnitDataSO>();
+
+        private readonly List<ShopCardUI> spawnedCards = new List<ShopCardUI>();
+
+        private void Start()
+        {
+            if (BattleManager.Instance != null)
+            {
+                BattleManager.Instance.OnGoldChanged += HandleGoldChanged;
+                BattleManager.Instance.OnBattleStateChanged += HandleBattleStateChanged;
+                HandleGoldChanged(BattleManager.Instance.CurrentGold);
+            }
+
+            BuildShopCards();
+        }
+
+        private void OnDestroy()
+        {
+            if (BattleManager.Instance != null)
+            {
+                BattleManager.Instance.OnGoldChanged -= HandleGoldChanged;
+                BattleManager.Instance.OnBattleStateChanged -= HandleBattleStateChanged;
+            }
+        }
+
+        public void SetCatalog(List<UnitDataSO> units)
+        {
+            purchasableUnits = units;
+            BuildShopCards();
+        }
+
+        private void BuildShopCards()
+        {
+            if (cardsContainer == null || cardPrefab == null) return;
+
+            // Clear previous
+            foreach (Transform child in cardsContainer)
+            {
+                Destroy(child.gameObject);
+            }
+            spawnedCards.Clear();
+
+            for (int i = 0; i < purchasableUnits.Count; i++)
+            {
+                UnitDataSO data = purchasableUnits[i];
+                if (data == null) continue;
+
+                GameObject cardObj = Instantiate(cardPrefab, cardsContainer);
+                ShopCardUI card = cardObj.GetComponent<ShopCardUI>();
+                if (card != null)
+                {
+                    card.Setup(data);
+                    spawnedCards.Add(card);
+                }
+            }
+
+            UpdateAllCards();
+        }
+
+        private void HandleGoldChanged(int newGold)
+        {
+            if (goldDisplayText != null)
+            {
+                goldDisplayText.text = $"Gold: {newGold}";
+            }
+            UpdateAllCards();
+        }
+
+        private void HandleBattleStateChanged(BattleState newState)
+        {
+            if (shopPanel != null)
+            {
+                // Only allow recruiting during Preparation phase
+                shopPanel.SetActive(newState == BattleState.Preparation);
+            }
+            UpdateAllCards();
+        }
+
+        private void UpdateAllCards()
+        {
+            for (int i = 0; i < spawnedCards.Count; i++)
+            {
+                if (spawnedCards[i] != null)
+                {
+                    spawnedCards[i].UpdateInteractability();
+                }
+            }
+        }
+    }
+}