Trivia game cleanup

src/NadekoBot/Modules/Games/Trivia/QuestionPool/DefaultQuestionPool.cs

@@ -0,0 +1,22 @@
+namespace NadekoBot.Modules.Games.Common.Trivia;
+
+public sealed class DefaultQuestionPool : IQuestionPool
+{
+    private readonly ILocalDataCache _cache;
+    private readonly NadekoRandom _rng;
+
+    public DefaultQuestionPool(ILocalDataCache cache)
+    {
+        _cache = cache;
+        _rng = new NadekoRandom();
+    }
+    public async Task<TriviaQuestion?> GetQuestionAsync()
+    {
+        var pool = await _cache.GetTriviaQuestionsAsync();
+        
+        if(pool is null or {Length: 0})
+            return default;
+        
+        return new(pool[_rng.Next(0, pool.Length)]);
+    }
+}

src/NadekoBot/Modules/Games/Trivia/QuestionPool/IQuestionPool.cs

@@ -0,0 +1,6 @@
+namespace NadekoBot.Modules.Games.Common.Trivia;
+
+public interface IQuestionPool
+{
+    Task<TriviaQuestion?> GetQuestionAsync();
+}

src/NadekoBot/Modules/Games/Trivia/QuestionPool/PokemonQuestionPool.cs

@@ -0,0 +1,32 @@
+namespace NadekoBot.Modules.Games.Common.Trivia;
+
+public sealed class PokemonQuestionPool : IQuestionPool
+{
+    public int QuestionsCount => 721; // xd
+    private readonly NadekoRandom _rng;
+    private readonly ILocalDataCache _cache;
+
+    public PokemonQuestionPool(ILocalDataCache cache)
+    {
+        _cache = cache;
+        _rng = new NadekoRandom();
+    }
+
+    public async Task<TriviaQuestion?> GetQuestionAsync()
+    {
+        var pokes = await _cache.GetPokemonMapAsync();
+
+        if (pokes is null or { Count: 0 })
+            return default;
+            
+        var num = _rng.Next(1, QuestionsCount + 1);
+        return new(new()
+        {
+            Question = "Who's That Pokémon?",
+            Answer = pokes[num].ToTitleCase(),
+            Category = "Pokemon",
+            ImageUrl = $@"https://nadeko.bot/images/pokemon/shadows/{num}.png",
+            AnswerImageUrl = $@"https://nadeko.bot/images/pokemon/real/{num}.png"
+        });
+    }
+}