From 892148a26c088cd4a8e2818be78cf813bdaa8bb5 Mon Sep 17 00:00:00 2001
From: eug-vs <eugene@eug-vs.xyz>
Date: Mon, 27 Feb 2023 00:29:55 +0300
Subject: fix: add promotion to move notation

---
 src/moves.rs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/moves.rs b/src/moves.rs
index b8ced18..188e1e0 100644
--- a/src/moves.rs
+++ b/src/moves.rs
@@ -39,6 +39,18 @@ impl Move {
 
 impl Display for Move {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{}{}", self.source, self.target)
+        let promotion_postfix = match self.kind {
+            MoveKind::Promotion(piece) => {
+                match piece.without_color() {
+                    Piece::Rook => "r",
+                    Piece::Queen => "q",
+                    Piece::Bishop => "b",
+                    Piece::Knight => "k",
+                    _ => panic!("Illegal promotion piece: {:?}", piece)
+                }
+            }
+            _ => ""
+        };
+        write!(f, "{}{}{}", self.source, self.target, promotion_postfix)
     }
 }
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