Update bot messages

src/Managing.Api/Controllers/UserController.cs

@@ -17,6 +17,7 @@ public class UserController : BaseController
 {
     private IConfiguration _config;
     private readonly IJwtUtils _jwtUtils;
+    private readonly IWebhookService _webhookService;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="UserController"/> class.
@@ -24,11 +25,13 @@ public class UserController : BaseController
     /// <param name="config">Configuration settings.</param>
     /// <param name="userService">Service for user-related operations.</param>
     /// <param name="jwtUtils">Utility for JWT token operations.</param>
-    public UserController(IConfiguration config, IUserService userService, IJwtUtils jwtUtils)
+    /// <param name="webhookService">Service for webhook operations.</param>
+    public UserController(IConfiguration config, IUserService userService, IJwtUtils jwtUtils, IWebhookService webhookService)
         : base(userService)
     {
         _config = config;
         _jwtUtils = jwtUtils;
+        _webhookService = webhookService;
     }
 
     /// <summary>
@@ -98,7 +101,74 @@ public class UserController : BaseController
     {
         var user = await GetUser();
         var updatedUser = await _userService.UpdateTelegramChannel(user, telegramChannel);
+        
+        // Send welcome message to the newly configured telegram channel
+        if (!string.IsNullOrEmpty(telegramChannel))
+        {
+            try
+            {
+                var welcomeMessage = $"🎉 **Trading Bot - Welcome!**\n\n" +
+                                   $"┌─────────────────────────────┐\n" +
+                                   $"│   CHANNEL CONFIGURED ✅    │\n" +
+                                   $"└─────────────────────────────┘\n\n" +
+                                   $"🎯 **Agent:** {user.Name}\n" +
+                                   $"📡 **Channel ID:** {telegramChannel}\n" +
+                                   $"⏰ **Setup Time:** {DateTime.UtcNow:MMM dd, yyyy • HH:mm:ss} UTC\n\n" +
+                                   $"🔔 **Notification Types:**\n" +
+                                   $"• 📈 Position Opens & Closes\n" +
+                                   $"• 🤖 Bot configuration changes\n\n" +
+                                   $"━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n" +
+                                   $"🚀 **Welcome aboard!** Your trading notifications are now live.";
+
+                await _webhookService.SendMessage(welcomeMessage, telegramChannel);
+            }
+            catch (Exception ex)
+            {
+                // Log the error but don't fail the update operation
+                Console.WriteLine($"Failed to send welcome message to telegram channel {telegramChannel}: {ex.Message}");
+            }
+        }
+        
         return Ok(updatedUser);
     }
+
+    /// <summary>
+    /// Tests the Telegram channel configuration by sending a test message.
+    /// </summary>
+    /// <returns>A message indicating the test result.</returns>
+    [HttpPost("telegram-channel/test")]
+    public async Task<ActionResult<string>> TestTelegramChannel()
+    {
+        var user = await GetUser();
+        
+        if (string.IsNullOrEmpty(user.TelegramChannel))
+        {
+            return BadRequest("No Telegram channel configured for this user. Please set a Telegram channel first.");
+        }
+
+        try
+        {
+                         var testMessage = $"🚀 **Trading Bot - Channel Test**\n\n" +
+                              $"┌─────────────────────────────┐\n" +
+                              $"│   CONNECTION SUCCESSFUL ✅  │\n" +
+                              $"└─────────────────────────────┘\n\n" +
+                              $"🎯 **Agent:** {user.Name}\n" +
+                              $"📡 **Channel ID:** {user.TelegramChannel}\n" +
+                              $"⏰ **Test Time:** {DateTime.UtcNow:MMM dd, yyyy • HH:mm:ss} UTC\n\n" +
+                              $"🔔 **You will receive notifications for:**\n" +
+                              $"• 📈 Position Opens & Closes\n" +
+                              $"• 🤖 Bot configuration changes\n\n" +
+                              $"━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n" +
+                              $"🎉 **Ready to trade!** Your notifications are now active.";
+
+            await _webhookService.SendMessage(testMessage, user.TelegramChannel);
+            
+            return Ok($"Test message sent successfully to Telegram channel {user.TelegramChannel}. Please check your Telegram to verify delivery.");
+        }
+        catch (Exception ex)
+        {
+            return StatusCode(500, $"Failed to send test message: {ex.Message}");
+        }
+    }
 }