add reply command

telegram/Command.cs

@@ -34,6 +34,7 @@ namespace telegram
             new ClearCommand(),
             new CloseCommand(),
             new EditCommand(),
+            new ReplyCommand(),
             new HistoryCommand(),
             new OpenCommand(),
             new UnreadsCommand(),
@@ -481,4 +482,43 @@ namespace telegram
             }
         }
     }
+    
+    public class ReplyCommand : Command
+    {
+        public ReplyCommand() : base("r", "", "replies to message", "<offset> <message>", -1)
+        {
+        }
+
+        public override void Handler(List<string> inputParams)
+        {
+            try
+            {
+                if (inputParams.Count < 2)
+                {
+                    return; //TODO do something
+                }
+
+                var history = GetHistory(currentChatId, 50);
+                var parsed = int.TryParse(inputParams[0], out var offset);
+                inputParams.RemoveAt(0);
+                history.Reverse();
+                var message = inputParams.Aggregate((current, param) => current + " " + param).Trim();
+
+                if (!parsed || string.IsNullOrWhiteSpace(message) || history.Count < offset)
+                {
+                    return; //TODO do something
+                }
+
+                var replyMessage = history[offset - 1];
+                
+                if (currentChatId == 0) return; //TODO do something
+
+                SendMessage(message, currentChatId, replyMessage.Id);
+            }
+            catch
+            {
+                //TODO do something
+            }
+        }
+    }
 }

telegram/Util.cs

@@ -228,7 +228,7 @@ namespace telegram
             return pass;
         }
 
-        public static void SendMessage(string message, long chatId)
+        public static void SendMessage(string message, long chatId, long replyTo = 0)
         {
             if (string.IsNullOrWhiteSpace(message))
                 return;
@@ -247,7 +247,8 @@ namespace telegram
                     {
                         Text = message
                     }
-                }
+                },
+                ReplyToMessageId = replyTo,
             });
             currentUserRead = false;
         }

telegram/tgcli.cs

@@ -15,9 +15,7 @@ namespace telegram
     /*
      * TODO:
      * improve secret chat open: open by username, allow just one sec chat per userId
-     * commands: more shortcuts?
      * make commands & keybinds more consistent (maybe configurable?)
-     * reply to x messages ago
      * replace emoji on send & un-replace on edit, two-way dictionary!!
      * replace more emojis on send (is there a lib for that)
      * make typing newlines actually good (inputline as list?)