class BoggleBoard

  def initialize(dice_grid)
    @dice_grid = dice_grid
  end

  def create_word(board, *coords)
    coords.map { |coord| board[coord.first][coord.last]}.join("")
  end

  def get_row(row)
    print @dice_grid[row].join("") # 'join' to return as a string.
  end

  def get_col(col)
  	print @dice_grid.transpose[col].join("")    
  end
end
 
 
dice_grid = [["b", "r", "a", "e"],
             ["i", "o", "d", "t"],
             ["e", "c", "l", "r"],
             ["t", "a", "k", "e"]]
 
boggle_board = BoggleBoard.new(dice_grid)
 
# implement tests for each of the methods here:
puts boggle_board.create_word(dice_grid, [1, 2], [1, 1], [2, 1], [3, 2]) == "dock" # returns true

puts boggle_board.get_row(0)
puts boggle_board.get_row(1)
puts boggle_board.get_row(2)
puts boggle_board.get_row(3) # returns 'take' - the only real word here

puts boggle_board.get_col(0)
puts boggle_board.get_col(1)
puts boggle_board.get_col(2)
puts boggle_board.get_col(3)
 
 
# create driver test code to retrieve a value at a coordinate here:

puts boggle_board.create_word(dice_grid, [3,2]) # returns 'k'

# Reflection
# Object oriented programming feels a bit more organized to me than procedural
# programming - more structured and easier to edit.
# The prior practice with setting up classes and using driver tests helped make this
# one feel like a pretty straightforward exercise.