Add IntegerType setting to CSharpGeneratorSettings

src/NJsonSchema.CodeGeneration.CSharp.Tests/NumberTests.cs

@@ -265,4 +265,55 @@ public async Task When_number_decimal_type_setting_is_defined_then_setting_type_
         // Assert
         await VerifyHelper.Verify(code);
     }
+
+    [Fact]
+    public async Task When_integer_has_no_format_then_default_int_is_generated()
+    {
+        // Arrange
+        var json =
+            @"{
+                ""type"": ""object"", 
+                ""properties"": {
+                    ""count"" : {
+                        ""type"":""integer""
+                    }
+                }
+            }";
+        var schema = await JsonSchema.FromJsonAsync(json);
+        var generator = new CSharpGenerator(schema);
+
+        // Act
+        var code = generator.GenerateFile("MyClass");
+
+        // Assert
+        await VerifyHelper.Verify(code);
+        CSharpCompiler.AssertCompile(code);
+    }
+
+    [Fact]
+    public async Task When_integer_type_setting_is_defined_then_setting_type_is_generated()
+    {
+        // Arrange
+        var json =
+            @"{
+                ""type"": ""object"", 
+                ""properties"": {
+                    ""count"" : {
+                        ""type"":""integer""
+                    }
+                }
+            }";
+        var schema = await JsonSchema.FromJsonAsync(json);
+        var generator = new CSharpGenerator(schema, new CSharpGeneratorSettings
+        {
+            IntegerType = "long"
+        });
+
+        // Act
+        var code = generator.GenerateFile("MyClass");
+
+        // Assert
+        await VerifyHelper.Verify(code);
+        CSharpCompiler.AssertCompile(code);
+    }
 }

src/NJsonSchema.CodeGeneration.CSharp.Tests/Snapshots/NumberTests.When_integer_has_no_format_then_default_int_is_generated.verified.txt

@@ -0,0 +1,27 @@
+//----------------------
+// <auto-generated>
+// </auto-generated>
+//----------------------
+
+
+namespace MyNamespace
+{
+    #pragma warning disable // Disable all warnings
+
+    public partial class MyClass
+    {
+
+        [Newtonsoft.Json.JsonProperty("count", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public int Count { get; set; }
+
+        private System.Collections.Generic.IDictionary<string, object> _additionalProperties;
+
+        [Newtonsoft.Json.JsonExtensionData]
+        public System.Collections.Generic.IDictionary<string, object> AdditionalProperties
+        {
+            get { return _additionalProperties ?? (_additionalProperties = new System.Collections.Generic.Dictionary<string, object>()); }
+            set { _additionalProperties = value; }
+        }
+
+    }
+}

src/NJsonSchema.CodeGeneration.CSharp.Tests/Snapshots/NumberTests.When_integer_type_setting_is_defined_then_setting_type_is_generated.verified.txt

@@ -0,0 +1,27 @@
+//----------------------
+// <auto-generated>
+// </auto-generated>
+//----------------------
+
+
+namespace MyNamespace
+{
+    #pragma warning disable // Disable all warnings
+
+    public partial class MyClass
+    {
+
+        [Newtonsoft.Json.JsonProperty("count", Required = Newtonsoft.Json.Required.DisallowNull, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public long Count { get; set; }
+
+        private System.Collections.Generic.IDictionary<string, object> _additionalProperties;
+
+        [Newtonsoft.Json.JsonExtensionData]
+        public System.Collections.Generic.IDictionary<string, object> AdditionalProperties
+        {
+            get { return _additionalProperties ?? (_additionalProperties = new System.Collections.Generic.Dictionary<string, object>()); }
+            set { _additionalProperties = value; }
+        }
+
+    }
+}

src/NJsonSchema.CodeGeneration.CSharp/CSharpGeneratorSettings.cs

@@ -22,6 +22,8 @@ public CSharpGeneratorSettings()
             TimeType = "System.TimeSpan";
             TimeSpanType = "System.TimeSpan";
 
+            IntegerType = "int";
+
             NumberType = "double";
             NumberFloatType = "float";
             NumberDoubleType = "double";
@@ -85,6 +87,9 @@ public CSharpGeneratorSettings()
         /// <summary>Gets or sets the time span .NET type (default: 'TimeSpan').</summary>
         public string TimeSpanType { get; set; }
 
+        /// <summary>Gets or sets the integer .NET type (default: "int"). This setting applies only to integer properties without an explicit format (e.g., not byte, long, or ulong).</summary>
+        public string IntegerType { get; set; }
+
         /// <summary>Gets or sets the number .NET type (default: "double").</summary>
         public string NumberType { get; set; }
 

src/NJsonSchema.CodeGeneration.CSharp/CSharpTypeResolver.cs

@@ -216,7 +216,7 @@ private static string ResolveBoolean(bool isNullable)
             return isNullable ? "bool?" : "bool";
         }
 
-        private static string ResolveInteger(JsonSchema schema, bool isNullable, string? typeNameHint)
+        private string ResolveInteger(JsonSchema schema, bool isNullable, string? typeNameHint)
         {
             if (schema.Format == JsonFormatStrings.Byte)
             {
@@ -228,11 +228,6 @@ private static string ResolveInteger(JsonSchema schema, bool isNullable, string?
                 return isNullable ? "long?" : "long";
             }
 
-            if (schema.Format is JsonFormatStrings.Long or "long")
-            {
-                return isNullable ? "long?" : "long";
-            }
-
             if (schema.Format is JsonFormatStrings.ULong or "ulong")
             {
                 return isNullable ? "ulong?" : "ulong";
@@ -253,7 +248,13 @@ private static string ResolveInteger(JsonSchema schema, bool isNullable, string?
                 }
             }
 
-            return isNullable ? "int?" : "int";
+            var integerType = Settings.IntegerType;
+            if (string.IsNullOrWhiteSpace(integerType))
+            {
+                integerType = "int";
+            }
+
+            return isNullable ? integerType + "?" : integerType;
         }
 
         private string ResolveNumber(JsonSchema schema, bool isNullable)