display player money, dialog when player have not enough money

Assets/Scripts/Actions/Eat.cs

@@ -1,10 +1,14 @@
-namespace Assets.Scripts.Actions
+using Assets.Scripts.Actions.Interfaces;
+
+namespace Assets.Scripts.Actions
 {
-    public class Eat : BaseAction
+    public class Eat : BaseAction, ISellableItem
     {
+        public double Cost { get; private set; }
         private int energyPerTick;
         public Eat(int duration, int energyPerTick, double cost) : base(duration)
         {
+            Cost = cost;
             this.energyPerTick = energyPerTick;
         }
         public override void ApplyAction(PlayerController playerController)

Assets/Scripts/Actions/Interfaces.meta

@@ -0,0 +1,8 @@
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+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/Actions/Interfaces/ISellableItem.cs

@@ -0,0 +1,8 @@
+
+namespace Assets.Scripts.Actions.Interfaces
+{
+    internal interface ISellableItem
+    {
+        public double Cost { get; }
+    }
+}

Assets/Scripts/Actions/Interfaces/ISellableItem.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 11ca03325bf76704b91eb2f9b2fafec9
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
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Assets/Scripts/DialogueSystem/ChoiceController.cs

@@ -42,7 +42,20 @@ public class ChoiceController : MonoBehaviour
 
     public void MakeChoice()
     {
-        playerController.TryBuyAction(_option.Value);
-        conversationChangeEvent.Invoke(_option.Value);
+        if (playerController.TryBuyAction(_option.Value))
+        {
+            conversationChangeEvent.Invoke(_option.Value);
+        }
+        else
+        {
+            YesNoDialogUI.Instance.ShowQuestion("not enouth money",
+                () =>
+                {
+                },
+                () =>
+                {
+                        //do nothing
+                });
+        }
     }
 }

Assets/Scripts/PlayerController.cs

@@ -1,9 +1,14 @@
 using Assets.Scripts.Actions;
+using Assets.Scripts.Actions.Interfaces;
+using TMPro;
 using UnityEngine;
 
 public class PlayerController : MonoBehaviour
 {
-    public Stat money = new Stat("Money", 1000.00);
+    [SerializeField]
+    private TextMeshProUGUI _moneyText;
+
+    public Stat money = new Stat("Money", 100.00);
     public Stat rentAccount = new Stat("Rent Account", 0);
     public Stat foodEnergy = new Stat("Food Energy", 0);
     public Stat restEnergy = new Stat("Rest Energy", 0);
@@ -47,7 +52,7 @@ public class PlayerController : MonoBehaviour
     // Start is called before the first frame update
     void Start()
     {
-
+        _moneyText.text = $"Money: {money.Value}$";
     }
 
     // Update is called once per frame
@@ -62,9 +67,16 @@ public class PlayerController : MonoBehaviour
         Clock = 24;
     }
 
-    public void TryBuyAction(BaseAction action)
+    public bool TryBuyAction(BaseAction action)
     {
+        if(action is ISellableItem)
+        {
+            if (!money.deduct(((ISellableItem)action).Cost))
+                return false;
+            _moneyText.text = $"Money: {money.Value}$";
+        }
         action.ApplyAction(this);
+        return true;
     }
 
 }