class CLI

# File lib/cli.rb, line 12
def initialize(input=$stdin, output=$stdout)
  @input = input
  @output = output
  run_app
end

# File lib/cli.rb, line 22
def choose_player_type(options)
  get_valid_input(options)
end

# File lib/cli.rb, line 31
def get_valid_input(options)
  choice = @input.gets.chomp.to_i
  if options.include? choice
    choice
  else
    @output.puts "Invalid Selection"
    get_valid_input(options)
  end
end

# File lib/cli.rb, line 26
def place_marker(options)
  offset_spaces = options.map {|space| space + OFFSET}
  get_valid_input(offset_spaces) - OFFSET
end

# File lib/cli.rb, line 18
def select_board_size(options)
  get_valid_input(options)
end

# File lib/cli.rb, line 120
def add_separator_where_applicable(space_index, board_split_into_rows, single_row, formatted_number)
  space_index == board_split_into_rows.size - 1 ? single_row += " #{formatted_number}" : single_row += " #{formatted_number} |"
end

# File lib/cli.rb, line 116
def add_space_to_single_digit_number(space)
   space.to_s.length == 1 ? "#{space} " : "#{space}"
end

# File lib/cli.rb, line 103
def board_with_index_in_empty_spaces
  @game.board.spaces.each_with_index.map {|space, index| !space.nil? ? space : index + OFFSET }
end

# File lib/cli.rb, line 73
def choose_player(marker)
  clear_screen
  print_choose_player(marker)
  choice = choose_player_type([1,2,3])
  return HumanPlayer.new(marker, self) if choice == 1
  return SimpleComputer.new(marker) if choice == 2
  return PerfectComputer.new(marker) if choice == 3
end

# File lib/cli.rb, line 151
def clear_screen
  @output.puts "\e[2J\e[f"
end

# File lib/cli.rb, line 111
def format_single_row(space, space_index, board_split_into_rows, single_row)
  formatted_number = add_space_to_single_digit_number(space)
  single_row = add_separator_where_applicable(space_index, board_split_into_rows, single_row, formatted_number)
end

# File lib/cli.rb, line 94
def print_board
  board_split_into_rows = split_board_into_rows(board_with_index_in_empty_spaces)
  board_split_into_rows.each_with_index do |row, row_index|
    single_row = ""
    row.each_with_index {|space, space_index| single_row = format_single_row(space, space_index, board_split_into_rows, single_row)}
    print_board_rows_with_separator(row_index, row, single_row)
  end
end

# File lib/cli.rb, line 124
def print_board_rows_with_separator(row_index, row, single_row)
  @output.puts row_index == row.size - 1 ? single_row : single_row + "\n" + "-" * single_row.length
end

# File lib/cli.rb, line 146
def print_board_size
  @output.puts "Choose the number of rows on the board"
  @output.puts "Select 3 or 4"
end

# File lib/cli.rb, line 139
def print_choose_player(marker)
  @output.puts "Choose player type for #{marker}"
  @output.puts "1) Human"
  @output.puts "2) Simple Computer"
  @output.puts "3) Expert Computer"
end

# File lib/cli.rb, line 128
def print_game_over
  @output.puts "Game Over"
end

# File lib/cli.rb, line 132
def print_outcome
  clear_screen
  print_game_over
  print_board
  @output.puts @game.board.winner ? "#{@game.board.winner} is the winner" : "Tied Game"
end

# File lib/cli.rb, line 90
def print_players_turn
  @output.puts "#{@game.current_player.marker}, take your turn"
end

# File lib/cli.rb, line 86
def print_welcome
  @output.puts "Tic Tac Toe"
end

# File lib/cli.rb, line 43
def run_app
  start_of_game
  until @game.game_over?
    single_turn
  end
  print_outcome
end

# File lib/cli.rb, line 67
def setup_board
  print_board_size
  choice = select_board_size([3,4])
  return Board.new(Array.new(choice * choice))
end

# File lib/cli.rb, line 82
def setup_game(board, player_x, player_o)
  @game = Game.new(board, player_x, player_o)
end

# File lib/cli.rb, line 60
def single_turn
  clear_screen
  print_board
  print_players_turn
  @game.take_turn
end

# File lib/cli.rb, line 107
def split_board_into_rows(spaces)
   spaces.each_slice(@game.board.number_of_rows)
end

# File lib/cli.rb, line 51
def start_of_game
  clear_screen
  print_welcome
  board = setup_board
  player_x = choose_player("X")
  player_o = choose_player("O")
  setup_game(board, player_x, player_o)
end