Payment not tested rest done-ish

OTPExtractor.cs

@@ -0,0 +1,29 @@
+using System.Text.RegularExpressions;
+using Microsoft.Playwright;
+
+namespace BadmintonBooker;
+
+public static class OTPExtractor
+{
+    public static async Task<string?> GetEgovOTP(IBrowserContext context, IPage originalPage)
+    {
+        var msgPage = await context.NewPageAsync();
+        await msgPage.GotoAsync("https://messages.google.com/web/u/0/conversations/CgjwUsdGGwxxGhIBNw", new PageGotoOptions { WaitUntil = WaitUntilState.Load });
+
+        var messageElement = msgPage.Locator("mws-text-message-part").Last;
+        string messageText = await messageElement.InnerTextAsync();
+
+        await originalPage.BringToFrontAsync();
+
+        var match = Regex.Match(messageText, @"\b\d{5,}\b");
+        if (match.Success)
+        {
+            return match.Value;
+        }
+        else
+        {
+            Console.WriteLine("No OTP found in the message.");
+            return null;
+        }
+    }
+}