using System;

using System.Collections.Generic;

using System.Linq;

​

public enum DifficultyLevel

{

    LOW,

    MEDIUM,

    HIGH

}

​

public struct WordGuess

{

    public string Word { get; set; }

    public bool[] CorrectSpot { get; set; }

    public bool[] Present { get; set; }

​

    public WordGuess(string word, bool[] correctSpot, bool[] present)

    {

        Word = word;

        CorrectSpot = correctSpot;

        Present = present;

    }

}

​

public class WordleGame

{

    private List<string> _wordList;

    private Random _random;

    private int _wordLength;

​

    public int WordLength => _wordLength; // Expose _wordLength as a public property

​

    public WordleGame(List<string> wordList, Random random, DifficultyLevel difficulty)

    {

        _random = random;

        SetWordList(wordList, difficulty);

    }

​

    private void SetWordList(List<string> wordList, DifficultyLevel difficulty)

    {

        switch (difficulty)

        {

            case DifficultyLevel.LOW:

                _wordList = wordList.Where(word => word.Length == 5).ToList();

                _wordLength = 5;

                break;

            case DifficultyLevel.MEDIUM:

                _wordList = wordList.Where(word => word.Length == 6).ToList();

                _wordLength = 6;

                break;

            case DifficultyLevel.HIGH:

                _wordList = wordList;

                _wordLength = _random.Next(5, 7); // Random word length between 5 and 6

                break;

            default:

                throw new ArgumentException("Invalid difficulty level.");

        }

    }

​

    public WordGuess GuessWord(string guess)

    {

        if (guess.Length!= _wordLength)

        {

            throw new ArgumentException($"Invalid guess length. Please enter a {_wordLength}-letter word.");

        }

​

        var word = _wordList[_random.Next(_wordList.Count)];

        var correctSpot = new bool[_wordLength];

        var present = new bool[_wordLength];

​

        for (int i = 0; i < _wordLength; i++)

        {

            correctSpot[i] = guess[i] == word[i];

            present[i] = word.Contains(guess[i]);

        }

​

        return new WordGuess(word, correctSpot, present);

    }

}

​

class Program

{

    static void Main(string[] args)

    {

        var wordList = new List<string> { "house", "apple", "table", "chair", "mouse", "joevic" };

        var random = new Random();

​

        Console.WriteLine("Select difficulty level:");

        Console.WriteLine("1. Low (5-letter words)");

        Console.WriteLine("2. Medium (6-letter words)");

        Console.WriteLine("3. High (random word length between 5 and 6)");

        Console.Write("Enter your choice (1, 2, or 3): ");

​

        int difficultyChoice;

        if (int.TryParse(Console.ReadLine(), out difficultyChoice))

        {

            DifficultyLevel difficulty;

            switch (difficultyChoice)

            {

                case 1:

                    difficulty = DifficultyLevel.LOW;

                    break;

                case 2:

                    difficulty = DifficultyLevel.MEDIUM;

                    break;

                case 3:

                    difficulty = DifficultyLevel.HIGH;

                    break;

                default:

                    Console.WriteLine("Invalid choice. Exiting.");

                    return;

            }

​

            var game = new WordleGame(wordList, random, difficulty);

​

            while (true)

            {

                Console.Write($"Guess the {game.WordLength}-letter word: ");

                var guess = Console.ReadLine();

​

                try

                {

                    var result = game.GuessWord(guess);

​

                    for (int i = 0; i < guess.Length; i++)

                    {

                        if (result.CorrectSpot[i])

                        {

                            Console.Write($"{guess[i]} is in the correct spot.\n");

                        }

                        else if (result.Present[i])

                        {

                            Console.Write($"{guess[i]} is present in the word but in the wrong spot.\n");

                        }

                        else

                        {

                            Console.Write($"{guess[i]} is not in the word.\n");

                        }

                    }

​

                    if (guess == result.Word)

                    {

                        Console.WriteLine("Congratulations! You guessed the word.");

                        break;

                    }

                }

                catch (ArgumentException e)

                {

                    Console.WriteLine(e.Message);

                }

            }

        }

        else

        {

            Console.WriteLine("Invalid input. Exiting.");

        }

    }

}