From a071e300658fba5f80a6df4244ef1277c140e05c Mon Sep 17 00:00:00 2001
From: GoldenBIOS <personal@goldenbios.hu>
Date: Sun, 3 May 2026 15:02:39 +0200
Subject: [PATCH] implement ChatsService and expanded Chat models

---
 Models/ChatModels.cs    | 31 ++++++++++++++++++++++++++++++-
 Services/ChatMethods.cs | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+), 1 deletion(-)
 create mode 100644 Services/ChatMethods.cs

diff --git a/Models/ChatModels.cs b/Models/ChatModels.cs
index 3d7196b..af40dd3 100644
--- a/Models/ChatModels.cs
+++ b/Models/ChatModels.cs
@@ -9,6 +9,9 @@ namespace Chtn.CSharp.SDK.Models.Chat
         [JsonProperty("chatid")] public string ChatId { get; set; }
         [JsonProperty("displayName")] public string DisplayName { get; set; }
         [JsonProperty("latestMessage")] public LatestMessage Latest { get; set; }
+        [JsonProperty("icon")] public string Icon { get; set; }
+        [JsonProperty("isGroup")] public bool IsGroup { get; set; }
+        [JsonProperty("unreadCount")] public int UnreadCount { get; set; }
     }
 
     public class Message
@@ -20,5 +23,31 @@ namespace Chtn.CSharp.SDK.Models.Chat
         [JsonProperty("files")] public List<Attachment> Files { get; set; }
     }
 
-    public class LatestMessage { public string Message { get; set; } public string MsgId { get; set; } }
+    public class LatestMessage
+    {
+        [JsonProperty("message")] public string Message { get; set; }
+        [JsonProperty("msgid")] public string MsgId { get; set; }
+    }
+
+    public class GetChatsReq { }
+
+    public class StartNewReq
+    {
+        [JsonProperty("targetUserId")] public string TargetUserId { get; set; }
+    }
+
+    public class ToggleChatMuteReq
+    {
+        [JsonProperty("chatid")] public string ChatId { get; set; }
+    }
+
+    public class GetAvailabilityReq
+    {
+        [JsonProperty("userIds")] public List<string> UserIds { get; set; }
+    }
+
+    public class GetAvailabilityResp
+    {
+        [JsonProperty("availability")] public Dictionary<string, string> Availability{ get; set; }
+    }
 }
\ No newline at end of file
diff --git a/Services/ChatMethods.cs b/Services/ChatMethods.cs
new file mode 100644
index 0000000..5d78671
--- /dev/null
+++ b/Services/ChatMethods.cs
@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Chtn.CSharp.SDK.Core;
+using Chtn.CSharp.SDK.Models.Chat;
+
+namespace Chtn.CSharp.SDK.Services
+{
+    public interface IChatsService
+    {
+        Task<List<Chat>> Get(GetChatsReq req);
+        Task<GetAvailabilityResp> GetUserAvailability(GetAvailabilityReq req);
+        Task ToggleMute(ToggleChatMuteReq req);
+        Task<Chat> StartNew(StartNewReq req);
+    }
+
+    public class ChatsServiceProvider : IChatsService
+    {
+        private readonly ApiClient _apiClient;
+
+        public ChatsServiceProvider(ApiClient apiClient)
+        {
+            _apiClient = apiClient ?? throw new ArgumentNullException(nameof(apiClient));
+        }
+
+        public async Task<List<Chat>> Get(GetChatsReq req) =>
+            await _apiClient.PostAsync<GetChatsReq, List<Chat>>("chat/get", req);
+
+        public async Task<GetAvailabilityResp> GetUserAvailability(GetAvailabilityReq req) =>
+            await _apiClient.PostAsync<GetAvailabilityReq, GetAvailabilityResp>("chat/availability", req);
+
+        public async Task ToggleMute(ToggleChatMuteReq req) =>
+            await _apiClient.PostAsync<ToggleChatMuteReq, object>("v2/chat/toggleMute", req);
+
+        public async Task<Chat> StartNew(StartNewReq req) =>
+            await _apiClient.PostAsync<StartNewReq, Chat>("chat/startNew", req);
+    }
+}