using System;
using System.Collections.Generic;
using System.Text;

namespace BoardUnitTesting
{
    public class Board
    {
        // Attributes
        private char[,]     _board;
        private int         _width;
        private int         _height;
        private char        _reset;

        // Constructors
        public Board(int width, int height, char resetChar)
        {
            _width = width;
            _height = height;
            _reset = resetChar;
            _board = new char[_width, _height];
            Reset();
        }

        // Properties

        // Methods
        public int GetWidth()
        {
            return _width;
        }

        public int GetHeight()
        {
            return _height;
        }

        public void Reset()
        {
            for (int column = 0; column < _width; column++)
            {
                for (int row = 0; row < _height; row++)
                {
                    _board[column, row] = _reset;
                }
            }
        }

        public bool IsValidPosition(int column, int row)
        {
            if (column > -1 && column < _width)
            {
                if (row > -1 && row < _height)
                {
                    return true;
                }
            }
            return false;
        }

        public bool SetValue(int column, int row, char value)
        {
            if (IsValidPosition(column, row))
            {
                _board[column, row] = value;
                return true;
            }
            return false;
        }

        public bool GetValue(int column, int row, out char value)
        {
            value = ' ';
            if (IsValidPosition(column, row))
            {
                value = _board[column, row];
                return true;
            }
            return false;
        }

        public virtual void Display()
        {
            for (int row = 0; row < _height; row++)
            {
                for (int column = 0; column < _width; column++)
                {
                    Console.Write("{0} ", _board[column, row]);  // Put a space between columns
                }
                Console.WriteLine(); // Move to the next row
            }
        }


        // Make our code testable by adding a comparison method
        public bool IsIdentical(char[,] testBoard, int width, int height)
        {
            // Check the dimensions of boards are identical
            if (_width != width || _height != height)
            {
                return false;
            }

            for (int column = 0; column < _width; column++)
            {
                for (int row = 0; row < _height; row++)
                {
                    if (_board[column, row] != testBoard[column, row])
                    {
                        return false;   // Found a difference
                    }
                }
            }
            return true;  // Identical
        }

        public bool IsIdentical(Board testBoard)
        {
            return IsIdentical(testBoard._board, testBoard._width, testBoard._height);
        }

    }
}