1 files changed, 80 insertions, 0 deletions
diff --git a/src/components/Grid.js b/src/components/Grid.js
new file mode 100644
index 0000000..289f142
--- /dev/null
+++ b/src/components/Grid.js
@@ -0,0 +1,80 @@
+/*
+ * Tic Tac Toe - Minimalistic Tic Tac Toe
+ * Copyright (C) 2021  Vidhu Kant Sharma
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import React, { useState, useEffect } from 'react';
+import Box from './Box';
+import './style.css';
+
+const Grid = (props) => {
+  // 0 is O, 1 is X, 2 is blank
+  const [board, setBoard] = useState([2,2,2,2,2,2,2,2,2]);
+  const turn = props.turn;
+
+  const getBoard = (index) => {
+    setBoard(board.slice(0, index).concat(turn).concat(board.slice(index+1, 9)));
+    props.setTurn(turn === 1 ? 0 : 1)
+  }
+
+  const allEqual = (arr) =>
+    arr.includes(2) ? false : arr.every(i => i === arr[0])
+
+  const getRow = (r) => board.slice(r * 3, (r * 3) + 3);
+  const getRows = (r = 0) => 
+    r <= 2 ? [getRow(r)].concat(getRows(r+1)) : getRow(r) 
+
+  const getCol = (arr, c) => arr.map((i) => i[c])
+  const getCols = (rows, c = 0) => 
+    c < 2 ? [getCol(rows, c)].concat(getCols(rows, c+1)) : [getCol(rows, c)]
+
+  const getLeftDiagonal = (i = 0) =>
+    i < 3 ? [getRow(i)[i]].concat(getLeftDiagonal(i+1)) : [];
+
+  const getRightDiagonal = (i = 2) =>
+    i >= 0 ? [getRow(2-i)[i]].concat(getRightDiagonal(i-1)) : [];
+
+  const endGame = (winner) => {
+    const gameWinner = winner < 2 ? (winner === 1 ? "X" : "O") : "Draw";
+    props.setMessage(`WINNER: ${gameWinner}`);
+    props.setShowMessage(true);
+    gameWinner === "Draw" || (gameWinner === "X" 
+      ? props.setScoreX(props.scoreX + 1)
+      : props.setScoreO(props.scoreO + 1));
+    setBoard([2,2,2,2,2,2,2,2,2]);
+    winner < 2 && props.setTurn(winner); // set turn to prev. winner
+  }
+
+  useEffect(() => {
+    if (board.includes(0) || board.includes(1)) {
+      const rows = getRows();
+      (rows.some((i) => allEqual(i))
+        || getCols(rows).some((i) => allEqual(i))
+        || [getLeftDiagonal(), getRightDiagonal()].some((i) => allEqual(i))
+      ) ? endGame(turn === 0 ? 1 : 0) : (board.includes(2) || endGame(2));
+    }
+  });
+
+  return (
+    <div className="Grid">
+      {board.map((i, index) => 
+        <Box key={index} index={index} sign={i} setSign={getBoard}/>
+      )}
+    </div>
+  );
+}
+
+export default Grid;