From 151a50fba91b819a382d2b447d9cb2d16ff43227 Mon Sep 17 00:00:00 2001
From: Karma Riuk <riukkarma@gmail.com>
Date: Tue, 4 Feb 2025 21:51:14 +0100
Subject: [PATCH] made move str better (includes promotion)

---
 cpp/src/move.hpp | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/cpp/src/move.hpp b/cpp/src/move.hpp
index b52f006..68a8d92 100644
--- a/cpp/src/move.hpp
+++ b/cpp/src/move.hpp
@@ -5,6 +5,7 @@
 #include "pieces/piece.hpp"
 
 #include <cstdint>
+#include <sstream>
 
 struct Move {
     int8_t source_square;
@@ -14,10 +15,34 @@ struct Move {
     CastleSide castle_side = CastleSide::NeitherSide;
     bool en_passant = false;
     int8_t promoting_to = Piece::None;
+
+    std::string to_string() const {
+        std::stringstream ss;
+        ss << Coords::from_index(source_square)
+           << Coords::from_index(target_square);
+        if (promoting_to != Piece::None) {
+            switch (promoting_to & 0b00111) {
+            case Queen:
+                ss << 'q';
+                break;
+            case Bishop:
+                ss << 'b';
+                break;
+            case Knigt:
+                ss << 'n';
+                break;
+            case Rook:
+                ss << 'r';
+                break;
+            default:
+                break;
+            }
+        }
+        return ss.str();
+    }
 };
 
 inline std::ostream& operator<<(std::ostream& os, const Move& m) {
-    os << Coords::from_index(m.source_square)
-       << Coords::from_index(m.target_square);
+    os << m.to_string();
     return os;
 }