refactor printBoard function for improved readability and formatting

1 files changed, 18 insertions, 9 deletions

diff --git a/src/board.cpp b/src/board.cpp
index 92704c3..1d647a4 100644
--- a/src/board.cpp
+++ b/src/board.cpp
@@ -1,7 +1,6 @@
 #include "board.hpp"
 #include <cctype>
 #include <cstdio>
-#include <iostream>
 #include <print>
 #include <string>
 
@@ -37,16 +36,26 @@ Piece createPiece(pieceType type, bool color, bool moved) {
   return piece;
 };
 void printBoard(board *b) {
-  for (int i = 0; i < 64; i++) {
-    Piece currentPiece = b->pieces[i];
-    std::printf("%c%d%d ", toChar(currentPiece.type), currentPiece.moved,
-                currentPiece.color);
-    if (i % 8 == 7 && i != 0) {
-      std::printf("\n");
+  std::println("    a b c d e f g h");
+  std::println("  +-----------------+");
+
+  for (int rank = 0; rank < 8; rank++) {
+    std::printf("%d |", 8 - rank);
+    for (int file = 0; file < 8; file++) {
+      Piece piece = b->pieces[rank * 8 + file];
+      char symbol = piece.type == NONE ? '.' : toChar(piece.type);
+      if (piece.type != NONE && piece.color == BLACK) {
+        symbol = std::tolower(static_cast<unsigned char>(symbol));
+      }
+      std::printf(" %c", symbol);
     }
+    std::printf(" | %d\n", 8 - rank);
   }
-  std::printf("%d to play\n", b->turn);
-  std::cout << "castle: " << b->castle << "\n";
+
+  std::println("  +-----------------+");
+  std::println("    a b c d e f g h");
+  std::println("\nTurn: {}", b->turn == WHITE ? "White" : "Black");
+  std::println("Castling: {}", b->castle.empty() ? "-" : b->castle);
 }
 void setBoardFen(std::string fen, board *b) {
   // example fen rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1