class GameOfLife

# File lib/GameOfLife.rb, line 7
def initialize(row,column)
  @row = row
  @column = column
  @last_row = row.to_i-1
  @last_column = column.to_i-1
end

# File lib/GameOfLife.rb, line 13
def display_board(board)
  board.each.with_index do |row, i|
    row.each.with_index do |cell, j|
      print  board[i][j] == 1 ? "0" : " "
    end
    puts
  end
end

# File lib/GameOfLife.rb, line 21
def get_neighbors(board, row, column)
  row_max = [row - 1, 0].max
  row_min = [row + 1, @last_row.to_i].min
  column_max = [column - 1, 0].max
  column_min = [column + 1, @last_column].min
  array_neighbors = []
  (row_max..row_min).each do |i|
    (column_max..column_min).each do |j|
      unless i == row and j == column
        array_neighbors << board[i][j]
      end
    end
  end
  return array_neighbors.inject(:+)
end

# File lib/GameOfLife.rb, line 36
def next_board(board)
  i = 1
  while i <= 100
    temp_board = Array.new(@row){Array.new(@column){ 0 } }
    system("clear")
    board.each.with_index do |row, i|
      row.each.with_index do |cell, j|
        neighbors = get_neighbors(board,i,j)
        if board[i][j] == 1 and neighbors < 2
          temp_board[i][j] = 0
        elsif board[i][j] == 1 and neighbors > 3
          temp_board[i][j] = 0
        elsif board[i][j] == 1 and neighbors == 3 || neighbors == 2
          temp_board[i][j] = 1
        elsif board[i][j] == 0 and neighbors == 3
          temp_board[i][j] = 1
        end
      end
    end
    board = temp_board
    display_board(board)
    puts "Iterations: #{i}"
    sleep(0.2)
    i+=1
  end
end