Refactored/recreated server system. Seperated into sub systems. Still wip

MoonlightServers.Daemon/ServerSystem/SubSystems/ShutdownSubSystem.cs

@@ -0,0 +1,85 @@
+using Docker.DotNet;
+
+namespace MoonlightServers.Daemon.ServerSystem.SubSystems;
+
+public class ShutdownSubSystem : ServerSubSystem
+{
+    private readonly DockerClient DockerClient;
+
+    public ShutdownSubSystem(
+        Server server,
+        ILogger logger,
+        DockerClient dockerClient
+    ) : base(server, logger)
+    {
+        DockerClient = dockerClient;
+    }
+
+    public override Task Initialize()
+    {
+        StateMachine.Configure(ServerState.Stopping)
+            .OnEntryFromAsync(ServerTrigger.Stop, HandleStop)
+            .OnEntryFromAsync(ServerTrigger.Kill, HandleKill);
+
+        return Task.CompletedTask;
+    }
+
+    #region Stopping
+
+    private async Task HandleStop()
+    {
+        try
+        {
+            await Stop();
+        }
+        catch (Exception e)
+        {
+            Logger.LogError("An error occured while stopping container: {e}", e);
+            await StateMachine.FireAsync(ServerTrigger.FailSafe);
+        }
+    }
+
+    private async Task Stop()
+    {
+        var provisionSubSystem = Server.GetRequiredSubSystem<ProvisionSubSystem>();
+
+        // Handle signal stopping
+        if (Configuration.StopCommand.StartsWith('^'))
+        {
+            await DockerClient.Containers.KillContainerAsync(provisionSubSystem.CurrentContainerId, new()
+            {
+                Signal = Configuration.StopCommand.Replace("^", "")
+            });
+        }
+        else // Handle input stopping
+        {
+            var consoleSubSystem = Server.GetRequiredSubSystem<ConsoleSubSystem>();
+            await consoleSubSystem.WriteInput($"{Configuration.StopCommand}\n\r");
+        }
+    }
+
+    #endregion
+
+    private async Task HandleKill()
+    {
+        try
+        {
+            await Kill();
+        }
+        catch (Exception e)
+        {
+            Logger.LogError("An error occured while killing container: {e}", e);
+            await StateMachine.FireAsync(ServerTrigger.FailSafe);
+        }
+    }
+
+    private async Task Kill()
+    {
+        var provisionSubSystem = Server.GetRequiredSubSystem<ProvisionSubSystem>();
+
+        await DockerClient.Containers.KillContainerAsync(
+            provisionSubSystem.CurrentContainerId,
+            new()
+        );
+    }
+}