class TicTacToe
    def initialize()
        @board = Array.new(9, " ")
        @player1 = {"name":nil, "mark":"X"}
        @player2 = {"name":nil, "mark":"O"}
        @players_turn = @player1
        @game_over = false
        @winner = nil

        set_names
        start_game
        end_game
    end

    def set_names
        player1_set = false
        until player1_set
          print "Player 1 enter your name: "
          input = gets.chomp
          @player1[:name] = input; player1_set = true if check_name(input)
        end
        player2_set = false
        until player2_set
          print "Player 2 enter your name: "
          input = gets.chomp
          @player2[:name] = input; player2_set = true if check_name(input)
        end
    end

    def start_game
        while !@game_over
            next_turn
        end
    end

    def next_turn
        board_set = nil
        good_input = nil
        until board_set
            good_input = ask_for_mark()
            if set_board(good_input) == true
                board_set = true
            else
                puts "This place is already taken"
                board_set = false
            end
        end
        check_if_ended ? @game_over = true : @game_over = false
        next_player
    end

    def next_player
        @players_turn == @player1 ? @players_turn = @player2 : @players_turn = @player1
    end

    def set_board(position)
        if @board[position - 1] == " "
            @board[position - 1] = @players_turn[:mark]
            return true
        else
            return false
        end
    end

    def ask_for_mark
        ask_ok = nil
        print_board
        until ask_ok
            print "#{@players_turn[:name]}, please enter where you want to put your #{@players_turn[:mark]}: "
            input = gets.chomp
            input == "exit" ? exit : input = input.to_i
            if good_mark?(input)
                return input
            else
                puts "Try again"
                ask_ok = false
            end
        end
    end

    def good_mark?(input)
        input.to_i > 0 && input.to_i < 10 ? true : false
    end

    def print_board
        print "
            | #{@board[0]} | #{@board[1]} | #{@board[2]} |
             ------------
            | #{@board[3]} | #{@board[4]} | #{@board[5]} |
             ------------
            | #{@board[6]} | #{@board[7]} | #{@board[8]} |
            \n"
    end

    def check_name(input)
        return input.length < 20 ? true : false
    end

    def check_if_ended
        if  @board[0..2].uniq.length == 1 && @board[0] != " " ||
            @board[3..5].uniq.length == 1 && @board[3] != " " ||
            @board[6..8].uniq.length == 1 && @board[6] != " " ||
            @board[0] == @board[3] && @board[3] == @board[6] && @board[0] != " " ||
            @board[1] == @board[4] && @board[4] == @board[7] && @board[1] != " " ||
            @board[2] == @board[5] && @board[5] == @board[8] && @board[2] != " " ||
            @board[0] == @board[4] && @board[4] == @board[8] && @board[0] != " " ||
            @board[2] == @board[4] && @board[4] == @board[6] && @board[2] != " "

            @winner = @players_turn
            return true
        end
        @board.include?(" ") == true ? (return false) : @winner = nil; return true
    end

    def end_game
        print_board
        puts @winner == nil ? "There is no winner" : "The winner is #{@winner[:name]}"
    end

end

new_game = TicTacToe.new()