Refactor the game

src/player/mod.rs

@@ -0,0 +1,60 @@
+pub mod cli {
+
+    use crate::game::{playeble, Player};
+
+    pub struct Cli {}
+
+    impl Player for Cli {
+        fn select_card(
+            &self,
+            hand: &[crate::game::Card],
+            stack: &[crate::game::Card],
+            additional_information: &crate::game::AdditionalInformation,
+        ) -> crate::game::Card {
+            let mut h = hand.to_vec();
+
+            h.sort();
+            println!("hand:      {:?}", h);
+
+            h.retain(|&c| playeble(c, hand, stack.first().map(|d| d.color)));
+
+            println!("playeble:  {:?}", h);
+            println!("stack:     {:?}", stack);
+            println!("additional information: {:?}", additional_information);
+
+            let mut buffer = String::new();
+
+            let _ = std::io::stdin().read_line(&mut buffer);
+
+            let index = buffer.trim().parse::<usize>().unwrap();
+
+            h[index]
+        }
+    }
+}
+
+pub mod highest {
+    use std::cmp::Reverse;
+
+    use crate::game::{playeble, Player};
+
+    pub struct Highest {}
+
+    impl Player for Highest {
+        fn select_card(
+            &self,
+            hand: &[crate::game::Card],
+            stack: &[crate::game::Card],
+            additional_information: &crate::game::AdditionalInformation,
+        ) -> crate::game::Card {
+            let _ = additional_information;
+            let mut hand = hand.to_vec();
+
+            hand.sort_by_key(|c| Reverse(*c));
+            *hand
+                .iter()
+                .find(|&&c| playeble(c, &hand, stack.first().map(|d| d.color)))
+                .unwrap()
+        }
+    }
+}