added comments for Region.cs

Adyen.Test/RegionTest.cs

@@ -14,18 +14,18 @@ public void TestValidRegions()
         {
             // Get all valid regions from the Region enum
             var validRegions = Enum.GetValues(typeof(Region))
-                                   .Cast<Region>()
-                                   .Select(r => r.ToString().ToLower())
-                                   .ToList();
+                                .Cast<Region>()
+                                .Select(r => r.ToString().ToLower())
+                                .ToList();
 
             // Define the expected list of valid regions
             var expected = new List<string>
             {
                 "eu",
                 "au",
                 "us",
-                "in",
-                "apse"
+                "apse",
+                "in"
             };
 
             // Assert that the valid regions match the expected list
@@ -37,10 +37,10 @@ public void TestTerminalApiEndpointsMapping()
         {
             // Convert TERMINAL_API_ENDPOINTS_MAPPING keys to lowercase strings for comparison
             var actual = RegionMapping.TERMINAL_API_ENDPOINTS_MAPPING
-                                       .ToDictionary(
-                                           entry => entry.Key.ToString().ToLower(),
-                                           entry => entry.Value
-                                       );
+                                    .ToDictionary(
+                                        entry => entry.Key.ToString().ToLower(),
+                                        entry => entry.Value
+                                    );
 
             // Define the expected map of region to endpoint mappings
             var expected = new Dictionary<string, string>
@@ -54,5 +54,6 @@ public void TestTerminalApiEndpointsMapping()
             // Assert that the TERMINAL_API_ENDPOINTS_MAPPING matches the expected map
             CollectionAssert.AreEquivalent(expected, actual);
         }
+
     }
 }

Adyen/Constants/Region.cs

@@ -1,32 +1,53 @@
+using System.Collections.Generic;
+
 namespace Adyen.Constants
 {
     /// <summary>
-    /// Enum to set region based urls for terminal api
-    /// https://docs.adyen.com/point-of-sale/design-your-integration/terminal-api/
+    /// Enum to set region-based URLs for the Terminal API.
+    /// Reference: https://docs.adyen.com/point-of-sale/design-your-integration/terminal-api/
     /// </summary>
     public enum Region
     {
-        //Europe
+        /// <summary>
+        /// European Union region
+        /// </summary>
         EU = 0,
 
-        //Australia
+        /// <summary>
+        /// Australia region
+        /// </summary>
         AU = 1,
 
-        //US
+        /// <summary>
+        /// United States region
+        /// </summary>
         US = 2,
 
-        //East Asia
-        APSE = 3
+        /// <summary>
+        /// Asia-Pacific, South East region
+        /// </summary>
+        APSE = 3,
+
+        /// <summary>
+        /// India region
+        /// </summary>
+        IN = 4
     }
 
+    /// <summary>
+    /// A static class that provides mapping of regions to their respective Terminal API endpoints.
+    /// </summary>
     public static class RegionMapping
     {
-        public static readonly Dictionary<Region, string> TERMINAL_API_ENDPOINTS_MAPPING = new()
+        /// <summary>
+        /// Maps regions to their respective Terminal API live endpoints.
+        /// </summary>
+        public static readonly Dictionary<Region, string> TERMINAL_API_ENDPOINTS_MAPPING = new Dictionary<Region, string>()
         {
             { Region.EU, "https://terminal-api-live.adyen.com" },
             { Region.AU, "https://terminal-api-live-au.adyen.com" },
             { Region.US, "https://terminal-api-live-us.adyen.com" },
             { Region.APSE, "https://terminal-api-live-apse.adyen.com" }
         };
     }
-}
+}