[fix] : add additional checks on stun champion

This is very ugly
Closes legonzaur/heron-realms-front#46

src/model/card_behaviour.py

@@ -63,7 +63,7 @@ async def effect_prepare(effect: Effect, turn: "Turn", target: str):
 
 
 async def effect_stun(effect: Effect, turn: "Turn", target: str):
-    return await turn.player.stun(target)
+    return await turn.stun_champion(target)
 
 
 async def effect_sacrifice(effect: Effect, turn: "Turn", target: str):

src/model/turn.py

@@ -307,6 +307,30 @@ class Turn(Serializable):
         await self.player.game.notify_controller(MessageType.UPDATE, self.serialize())
         await self.player.game.notify_controller(MessageType.UPDATE, team.serialize())
 
+    async def stun_champion(self, target: str):
+        for p in self.player.game.players:
+            if self.player.team == p.team:
+                continue
+            for c in p.board:
+                if str(c.uuid) != target:
+                    continue
+                if c.card_type != CardType.CHAMPION:
+                    continue
+                if not c.guard and self.check_for_guard(p.team):
+                    print("You cannot stun this champion if a guard is present")
+                    return
+
+                await self.player.stun(str(c.uuid))
+                await self.player.game.notify_controller(
+                    MessageType.UPDATE, self.serialize()
+                )
+                await self.player.game.notify_controller(
+                    MessageType.UPDATE, p.turn.serialize()
+                )
+                return
+
+        print("card not found")
+
     async def damage_champion(self, target: str):
         if self.damage_reserve <= 0:
             print("No damage left to attack")