Item shop functioning

Assets/Game/Scripts/ItemShop.cs

@@ -0,0 +1,47 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using TMPro;
+using UnityEngine.UI;
+public class ItemShop : MonoBehaviour
+{
+    public ShopItemData selectedItem;
+
+    public Image itemImage;
+    public TMP_Text itemTxt;
+    public TMP_Text levelTxt;
+
+    public TMP_Text statTxt;
+    public TMP_Text priceTxt;
+    public TMP_Text gemTxt;
+
+    public Button buyBtn;
+
+    void Start(){
+        SelectShopItem(selectedItem);
+    }
+
+    public void SelectShopItem(ShopItemData selected){
+        selectedItem = selected;
+
+        if(selectedItem==null){Debug.LogError("Null shop item selected, Please check this"); return;}
+
+        itemImage.sprite = selectedItem.image;
+        itemTxt.text = selectedItem.itemName;
+        statTxt.text = selectedItem.stat.ToString();
+        priceTxt.text = selectedItem.price.ToString();
+        gemTxt.text = selectedItem.gems.ToString();
+
+        buyBtn.interactable = selectedItem.price < DBmanager.Coins && selectedItem.gems < DBmanager.Gems;
+    }
+
+    public void BuySelected(){
+        if(selectedItem == null){
+            Debug.LogError("Cant buy, No item is selected");
+            return;
+        }
+
+        DBmanager.SetCoins(DBmanager.Coins - selectedItem.price);   
+        DBmanager.SetGems(DBmanager.Gems- selectedItem.gems);
+    }
+}