Parse the step as a better Sans notion.

Author: willwang-io

src/piece.rs

@@ -47,12 +47,12 @@ impl Piece {
 impl fmt::Display for PieceType {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         let display_name = match self {
-            PieceType::King => "King",
-            PieceType::Queen => "Queen",
-            PieceType::Bishop => "Bishop",
-            PieceType::Rook => "Rook",
-            PieceType::Knight => "Knight",
-            PieceType::Pawn => "Pawn",
+            PieceType::King => "K",
+            PieceType::Queen => "Q",
+            PieceType::Bishop => "B",
+            PieceType::Rook => "R",
+            PieceType::Knight => "N",
+            PieceType::Pawn => "",
         };
         write!(f, "{}", display_name)
     }

src/ui/solution.rs

@@ -4,8 +4,22 @@ use crate::step::Step;
 
 #[component]
 pub fn Solution(steps: Vec<Step>) -> Element {
+    let sans = to_sans(&steps).join(" ");
     rsx! {
-        h2 { "Steps" }
-        p { {format!("{:?}", steps)} }
+        p { {sans} }
     }
 }
+
+fn to_sans(steps: &[Step]) -> Vec<String> {
+    let mut sans_step = vec![];
+
+    let numeric_to_sans = |r: usize, c: usize| -> String {
+        format!("{}{}", (c as u8 + b'a') as char, 8 - r)
+    };
+
+    for Step { from: (fr, fc), to: (tr, tc), piece_type } in steps {
+        let tmp = format!("{}{}x{}", piece_type.to_string(), numeric_to_sans(*fr, *fc), numeric_to_sans(*tr, *tc));
+        sans_step.push(tmp);
+    }
+    sans_step
+}