From ab1254ef4c1f306db91916020ed442907af83464 Mon Sep 17 00:00:00 2001
From: "aaron.pritzlaff" <aaron@kindservices.co.uk>
Date: Mon, 2 Dec 2024 16:35:32 +0000
Subject: [PATCH] Started test case for issue 20214, Added underscore for
 numeric enumerations

---
 .../resources/scala-cask/modelClass.mustache  |  4 +--
 .../resources/scala-cask/modelEnum.mustache   | 13 ++++----
 .../resources/3_0/scala-cask/petstore.yaml    | 30 +++++++++++++++++++
 3 files changed, 38 insertions(+), 9 deletions(-)

diff --git a/modules/openapi-generator/src/main/resources/scala-cask/modelClass.mustache b/modules/openapi-generator/src/main/resources/scala-cask/modelClass.mustache
index 12f4ced6b084..aec0ab27aa94 100644
--- a/modules/openapi-generator/src/main/resources/scala-cask/modelClass.mustache
+++ b/modules/openapi-generator/src/main/resources/scala-cask/modelClass.mustache
@@ -34,11 +34,9 @@ enum Fields(val fieldName : String) extends Field(fieldName) {
 
 {{#vars}}
     {{#isEnum}}
-        // baseName={{{baseName}}}
-        // nameInCamelCase = {{{nameInCamelCase}}}
         enum {{datatypeWithEnum}} derives ReadWriter {
         {{#_enum}}
-            case {{.}}
+            case {{#isNumeric}}_{{/isNumeric}}{{.}}
         {{/_enum}}
         }
     {{/isEnum}}
diff --git a/modules/openapi-generator/src/main/resources/scala-cask/modelEnum.mustache b/modules/openapi-generator/src/main/resources/scala-cask/modelEnum.mustache
index 211717b54a96..4dfc03690a23 100644
--- a/modules/openapi-generator/src/main/resources/scala-cask/modelEnum.mustache
+++ b/modules/openapi-generator/src/main/resources/scala-cask/modelEnum.mustache
@@ -1,6 +1,7 @@
-enum {{classname}} derives RW :
-{{#allowableValues}}
-    {{#values}}
-    case {{.}}
-    {{/values}}
-{{/allowableValues}}
\ No newline at end of file
+enum {{classname}} derives RW {
+    {{#allowableValues}}
+        {{#values}}
+            case {{.}}
+        {{/values}}
+    {{/allowableValues}}
+}
\ No newline at end of file
diff --git a/modules/openapi-generator/src/test/resources/3_0/scala-cask/petstore.yaml b/modules/openapi-generator/src/test/resources/3_0/scala-cask/petstore.yaml
index 2249f5342c8e..6b9f123d9628 100644
--- a/modules/openapi-generator/src/test/resources/3_0/scala-cask/petstore.yaml
+++ b/modules/openapi-generator/src/test/resources/3_0/scala-cask/petstore.yaml
@@ -18,6 +18,36 @@ tags:
   - name: user
     description: Operations about user
 paths:
+  /issue-20214-int-enums:
+    post:
+      tags:
+        - intEnums
+      operationId: intEnumExample
+      summary: added to reproduce
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                enumFilter:
+                  type: integer
+                  format: int32
+                  enum:
+                    - 0
+                    - 1
+                    - 2
+              required:
+                - enumFilter
+      responses:
+        '200':
+          description: Success
+          content:
+            application/json:
+              schema:
+                type: object
+                additionalProperties: true
   /complex-types:
     post:
       tags: