From 7e8d89f357aaf8d8a6148ef051752dd53eb0285f Mon Sep 17 00:00:00 2001
From: Adam <adammegarules1@gmail.com>
Date: Sun, 26 Jul 2026 19:16:57 +0200
Subject: adding repl

---
 src/main.cpp | 146 ++++++++++++++++-------------------------------------------
 1 file changed, 39 insertions(+), 107 deletions(-)

(limited to 'src/main.cpp')

diff --git a/src/main.cpp b/src/main.cpp
index 261c19d..4b9e965 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,50 +1,38 @@
 #include "board.hpp"
 #include "fen.hpp"
-#include "moves.hpp"
-#include <algorithm>
-#include <cctype>
-#include <cstdint>
+#include "repl.hpp"
 #include <cstdio>
-#include <cstdlib>
+#include <iostream>
 #include <print>
 #include <string>
-#include <vector>
 
-#include <iostream>
+using namespace std;
 
-bool isValidChessRank(char rank) {
-  if (rank >= '1' && rank <= '8') {
-    return true;
-  } else {
-    return false;
-  }
-}
-bool isValidChessFile(char rank) {
-  if (rank >= 'A' && rank <= 'H') {
-    return true;
-  } else {
-    return false;
-  }
-}
-void setAllPiecesToEmpty(board *b) {
-  Piece NonePiece = {
+enum Mode {
+  EXIT,
+  REPL,
+};
+
+void setAllPiecesToEmpty(Board *b) {
+  Piece EmptyPiece = {
       false,
       NONE,
       false,
   };
   for (int i = 0; i < 64; i++) {
-    b->pieces[i] = NonePiece;
+    b->pieces[i] = EmptyPiece;
   };
-}
-void PrintMoves(const std::vector<Move> &moves) {
-  std::cout << "Moves (" << moves.size() << "):\n";
+};
+Board initBoard(string startingFEN) {
+  Board b;
+  b.turn = true;
+  b.castle = "";
+  b.halfMoveClock = 0;
+  b.MoveClock = 0;
+  setBoardFen(startingFEN, &b);
+  return b;
+};
 
-  for (const Move &move : moves) {
-    std::cout << "(" << (int)move.From.file << ", " << (int)move.From.rank
-              << ") -> (" << (int)move.To.file << ", " << (int)move.To.rank
-              << ")\n";
-  }
-}
 int main(int argc, char **argv) {
   std::string startingFen =
       "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
@@ -56,81 +44,25 @@ int main(int argc, char **argv) {
   if (argc == 2) {
     startingFen = argv[1];
   }
-  board b;
-  b.turn = true;
-  b.castle = "";
-  b.halfMoveClock = 0;
-  b.MoveClock = 0;
-  setBoardFen(startingFen, &b);
-  printBoard(&b);
-  while (true) {
-    std::cout << "> ";
-    std::string command;
-    std::cin >> command;
-    std::cout << command << "\n";
-
-    transform(command.begin(), command.end(), command.begin(), ::toupper);
-    if (command == "EXIT") {
-      std::println();
-      std::cout << "Exiting...\n";
-      return 0;
-    }
+  println("ENTER which mode you want (REPL)");
+  Mode mode = EXIT;
+  string modeString;
+  cin >> modeString;
+  std::transform(modeString.begin(), modeString.end(), modeString.begin(),
+                 ::toupper);
 
-    if (command.length() != 4) {
-      std::cout << "Unknown Command, use EXIT to exit";
-      std::println();
-      continue;
-    }
-    if (!isValidChessFile(command[0])) {
-      std::cout << "ERROR: Expected valid file at first place";
-      std::println();
-      continue;
-    }
-
-    if (!isValidChessRank(command[1])) {
-      std::cout << "ERROR: Expected valid rank at second place";
-      std::println();
-      continue;
-    }
-
-    if (!isValidChessFile(command[2])) {
-      std::cout << "ERROR: Expected valid file at third place";
-      std::println();
-      continue;
-    }
-
-    if (!isValidChessRank(command[3])) {
-      std::cout << "ERROR: Expected valid rank at four place";
-      std::println();
-      continue;
-    }
-
-    // we know its a valid chess pos
-    int fromFile = command[0] - 'A';
-    int fromRank = '8' - command[1];
-    int toFile = command[2] - 'A';
-    int toRank = '8' - command[3];
-    std::cout << fromFile << "\n";
-    std::cout << fromRank << "\n";
-    std::cout << toFile << "\n";
-    std::cout << toRank << "\n";
-    Move move = {
-        {static_cast<uint8_t>(fromRank), static_cast<uint8_t>(fromFile)},
-        {static_cast<uint8_t>(toRank), static_cast<uint8_t>(toFile)}};
+  if (modeString == "REPL") {
+    mode = REPL;
+  }
+  // ADD support for other modes here
 
-    auto moves = GetLegalMoves(&b);
-    if (std::ranges::find(moves, move) != moves.end()) {
-      std::cout << "Move is legal!\n";
-    } else {
-      std::cout << "Move is not legal!\n";
-      PrintMoves(moves);
-      continue;
-    }
-    std::println();
-    // PlayMove(move, &b); // todo implement
-    b.MoveClock++;
-    b.turn = !b.turn;
-    printBoard(&b);
+  Board b = initBoard(startingFen);
+  if (mode == REPL) {
+    int replExitCode = startREPL(&b);
+    return replExitCode;
+  }
+  if (mode == EXIT) {
+    return 0;
   }
-  return EXIT_SUCCESS;
+  return 0;
 }
-- 
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