randomize content of chests and potions

src/artifacts.rs

@@ -1,3 +1,4 @@
+use rand::Rng;
 use ratatui::style::Color;
 
 use crate::player::Player;
@@ -22,11 +23,11 @@ pub struct Chest {
 
 impl Chest {
     pub fn new(position: Position) -> Self {
-        let level = position.get_level();
+        let min_gold = 10 * (position.get_level()+1);
+        let max_gold = min_gold + 10*position.get_level();
         Self {
             position,
-            // TODO maybe randomize this?
-            gold: (level + 1) * 10,
+            gold: rand::thread_rng().gen_range(min_gold..=max_gold),
         }
     }
 }
@@ -61,9 +62,11 @@ pub struct Potion {
 
 impl Potion {
     pub fn new(position: Position) -> Self {
+        let min_health_gain = 5 + position.get_level();
+        let max_health_gain = min_health_gain + 3 * position.get_level();
         Self {
             position,
-            health: 5,
+            health: rand::thread_rng().gen_range(min_health_gain..=max_health_gain),
         }
     }
 }