Move save logic out of Game

Zennysoft.Game.Ma/src/game/Game.cs

@@ -14,6 +14,10 @@ using System.IO.Abstractions;
 using System.Text.Json;
 using System.Text.Json.Serialization.Metadata;
 using static Zennysoft.Game.Ma.GameLogic.State;
+using Zennysoft.Game.Abstractions;
+using Zennysoft.Game.Ma.Implementation;
+using System.Threading.Tasks;
+using System.IO;
 
 [Meta(typeof(IAutoNode))]
 public partial class Game : Node3D, IGame
@@ -28,6 +32,8 @@ public partial class Game : Node3D, IGame
 
   IGameEventDepot IProvide<IGameEventDepot>.Value() => GameEventDepot;
 
+  private static SimpleInjector.Container _container;
+
   public IInstantiator Instantiator { get; set; } = default!;
 
   public IGameLogic GameLogic { get; set; } = default!;
@@ -64,12 +70,6 @@ public partial class Game : Node3D, IGame
   #region Save
   public JsonSerializerOptions JsonOptions { get; set; } = default!;
 
-  public const string SAVE_FILE_NAME = "game.json";
-
-  public IFileSystem FileSystem { get; set; } = default!;
-
-  public string SaveFilePath { get; set; } = default!;
-
   public ISaveFile<GameData> SaveFile { get; set; } = default!;
 
   public ISaveChunk<GameData> GameChunk { get; set; } = default!;
@@ -86,9 +86,10 @@ public partial class Game : Node3D, IGame
 
   public void Setup()
   {
-    FileSystem = new FileSystem();
-
-    SaveFilePath = FileSystem.Path.Join(OS.GetUserDataDir(), SAVE_FILE_NAME);
+    _container = new SimpleInjector.Container();
+    _container.Register<IFileSystem, FileSystem>();
+    _container.Register<ISaveFileManager<GameData>, SaveFileManager<GameData>>();
+    _container.Verify();
 
     GameRepo = new GameRepo();
     GameLogic = new GameLogic();
@@ -101,21 +102,6 @@ public partial class Game : Node3D, IGame
     Instantiator = new Instantiator(GetTree());
     RescuedItems = new RescuedItemDatabase();
 
-    var resolver = new SerializableTypeResolver();
-    GodotSerialization.Setup();
-    Serializer.AddConverter(new Texture2DConverter());
-
-    var upgradeDependencies = new Blackboard();
-
-    JsonOptions = new JsonSerializerOptions
-    {
-      Converters = {
-        new SerializableTypeConverter(upgradeDependencies)
-      },
-      TypeInfoResolver = JsonTypeInfoResolver.Combine(resolver, WeaponTagEnumContext.Default, ItemTagEnumContext.Default, ElementTypeEnumContext.Default, AccessoryTagEnumContext.Default, ThrowableItemTagEnumContext.Default, UsableItemTagEnumContext.Default, BoxItemTagEnumContext.Default),
-      WriteIndented = true
-    };
-
     GameChunk = new SaveChunk<GameData>(
       (chunk) =>
       {
@@ -162,25 +148,23 @@ public partial class Game : Node3D, IGame
 
   public void OnResolved()
   {
+    var saveFileManager = _container.GetInstance<ISaveFileManager<GameData>>();
     SaveFile = new SaveFile<GameData>(
       root: GameChunk,
-      onSave: async (GameData data) =>
-      {
-        // Save the game data to disk.
-        var json = JsonSerializer.Serialize(data, JsonOptions);
-        await FileSystem.File.WriteAllTextAsync(SaveFilePath, json);
-      },
+      onSave: saveFileManager.WriteToFile,
       onLoad: async () =>
       {
-        // Load the game data from disk.
-        if (!FileSystem.File.Exists(SaveFilePath))
+        try
         {
-          GD.Print("No save file to load");
-          return null;
+          var gameData = await saveFileManager.ReadFromFile();
+          return gameData;
+        }
+        catch (FileNotFoundException)
+        {
+          GD.Print("No save file found.");
         }
 
-        var json = await FileSystem.File.ReadAllTextAsync(SaveFilePath);
-        return JsonSerializer.Deserialize<GameData>(json, JsonOptions);
+        return null;
       }
     );