using System;
using Xunit;
using BoardUnitTesting;

namespace BoardUnitTests
{
    public class BoardTests
    {
        [Fact]
        public void BoardCreationTest()
        {
            int width = 3;
            int height = 3;
            Board board = new Board(width, height, '_');
            char[,] testBoard = TestBoardCreate(width, height, '_');

            Assert.True(board.IsIdentical(testBoard, width, height));
        }

        [Fact]
        public void BoardResetTest()
        {
            int width = 3;
            int height = 3;
            Board board = new Board(width, height, '_');
            char[,] testBoard = TestBoardCreate(width, height, '_');

            board.SetValue(1, 1, 'X'); // This should be cleared
            board.Reset();
            Assert.True(board.IsIdentical(testBoard, width, height));
        }

        [Fact]
        public void BoardSetValueTest()
        {
            int width = 3;
            int height = 3;
            char expectedValue = 'X';
            char actualValue;
            Board board = new Board(width, height, '_');

            Assert.True(board.SetValue(1, 1, expectedValue));
            Assert.True(board.GetValue(1, 1, out actualValue));
            Assert.Equal(actualValue, expectedValue);
        }

        // This is not a test, it is setup code for a test
        private char[,] TestBoardCreate(int width, int height, char reset)
        {
            char[,] testBoard = new char[width, height];

            // Setup the test board
            for (int column = 0; column < width; column++)
            {
                for (int row = 0; row < height; row++)
                {
                    testBoard[column, row] = reset;
                }
            }
            return testBoard;
        }
    }
}