Move context initialization out of constructor

Author: NonSwag

bukkit/src/main/java/dev/faststats/bukkit/BukkitContext.java

@@ -19,6 +19,7 @@ public final class BukkitContext extends SimpleContext {
     private BukkitContext(final Factory factory, final Plugin plugin, @Token final String token) {
         super(factory, SimpleConfig.read(getConfigPath(plugin)), "bukkit", token);
         this.plugin = plugin;
+        initializeServices(factory);
     }
 
     @Override

bungeecord/src/main/java/dev/faststats/bungee/BungeeContext.java

@@ -19,6 +19,7 @@ public final class BungeeContext extends SimpleContext {
     private BungeeContext(final Factory factory, final Plugin plugin, @Token final String token) {
         super(factory, SimpleConfig.read(plugin.getProxy().getPluginsFolder().toPath().resolve("faststats").resolve("config.properties")), "bungeecord", token);
         this.plugin = plugin;
+        initializeServices(factory);
     }
 
     @Override

core/src/main/java/dev/faststats/SimpleContext.java

@@ -3,6 +3,7 @@
 import dev.faststats.internal.Logger;
 import dev.faststats.internal.LoggerFactory;
 import org.jetbrains.annotations.Contract;
+import org.jetbrains.annotations.MustBeInvokedByOverriders;
 import org.jspecify.annotations.Nullable;
 
 import java.io.IOException;
@@ -19,9 +20,9 @@ public non-sealed abstract class SimpleContext implements FastStatsContext {
     private final @Token String token;
     private final SdkInfo sdkInfo;
 
-    private final @Nullable Metrics metrics;
-    private final @Nullable FeatureFlagService featureFlagService;
-    private final @Nullable ErrorTrackerService errorTrackerService;
+    private @Nullable Metrics metrics;
+    private @Nullable FeatureFlagService featureFlagService;
+    private @Nullable ErrorTrackerService errorTrackerService;
 
     /**
      * Creates a new context that stores the shared configuration and token for all FastStats services.
@@ -42,7 +43,10 @@ protected SimpleContext(final Factory<?, ?> factory, final Config config, final
         this.sdkInfo = constructSdkInfo(name);
         this.config = config;
         this.token = token;
+    }
 
+    @MustBeInvokedByOverriders
+    protected final void initializeServices(final Factory<?, ?> factory) throws IllegalStateException {
         this.metrics = factory.metrics != null ? factory.metrics.apply(metricsFactory()) : null;
         this.errorTrackerService = factory.errorTracker != null ? new SimpleErrorTrackerService(this, factory.errorTracker) : null;
         this.featureFlagService = factory.featureFlagService != null ? factory.featureFlagService.apply(new SimpleFeatureFlagService.Factory(config, token)) : null;

core/src/test/java/dev/faststats/MockContext.java

@@ -5,6 +5,7 @@
 public final class MockContext extends SimpleContext {
     private MockContext(final Factory factory) throws IllegalArgumentException {
         super(factory, new MockConfig(UUID.randomUUID()), "test", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
+        initializeServices(factory);
     }
 
     @Override

fabric/src/main/java/dev/faststats/fabric/FabricContext.java

@@ -22,6 +22,7 @@ private FabricContext(final Factory factory, final String modId, @Token final St
         this.mod = FabricLoader.getInstance().getModContainer(modId).orElseThrow(() -> {
             return new IllegalArgumentException("Mod not found: " + modId);
         });
+        initializeServices(factory);
     }
 
     @Override

hytale/src/main/java/dev/faststats/hytale/HytaleContext.java

@@ -19,6 +19,7 @@ public final class HytaleContext extends SimpleContext {
     private HytaleContext(final Factory factory, final JavaPlugin plugin, @Token final String token) {
         super(factory, SimpleConfig.read(plugin.getDataDirectory().toAbsolutePath().getParent().resolve("faststats").resolve("config.properties")), "hytale", token);
         this.pluginName = plugin.getName();
+        initializeServices(factory);
     }
 
     @Override

minestom/src/main/java/dev/faststats/minestom/MinestomContext.java

@@ -18,6 +18,7 @@
 public final class MinestomContext extends SimpleContext {
     MinestomContext(final Factory factory, @Token final String token) {
         super(factory, SimpleConfig.read(Path.of("faststats", "config.properties")), "minestom", token);
+        initializeServices(factory);
     }
 
     @Override

nukkit/src/main/java/dev/faststats/nukkit/NukkitContext.java

@@ -21,6 +21,7 @@ public final class NukkitContext extends SimpleContext {
     private NukkitContext(final Factory factory, final PluginBase plugin, @Token final String token) {
         super(factory, SimpleConfig.read(Path.of(plugin.getServer().getPluginPath(), "faststats", "config.properties")), "nukkit", token);
         this.plugin = plugin;
+        initializeServices(factory);
     }
 
     @Override

sponge/src/main/java/dev/faststats/sponge/SpongeContext.java

@@ -27,6 +27,7 @@ private SpongeContext(
     ) {
         super(factory, SpongeConfig.read(plugin, dataDirectory.resolve("faststats").resolve("config.properties")), "sponge", token);
         this.plugin = plugin;
+        initializeServices(factory);
     }
 
     @Override

velocity/src/main/java/dev/faststats/velocity/VelocityContext.java

@@ -32,6 +32,7 @@ private VelocityContext(
         super(factory, SimpleConfig.read(dataDirectory.resolveSibling("faststats").resolve("config.properties")), "velocity", token);
         this.plugin = plugin;
         this.server = server;
+        initializeServices(factory);
     }
 
     @Override