Fix effective model issue (#3060)

* Fix effective model issue

* Fix

Author: pshao25

src/CADL.Extension/Emitter.Csharp/src/lib/model.ts

@@ -599,7 +599,10 @@ export function getUsages(
         let typeName = "";
         if ("name" in type) typeName = type.name ?? "";
         if (type.kind === "Model") {
-            const effectiveType = getEffectiveModelType(program, type);
+            const effectiveType = getEffectiveSchemaType(
+                program,
+                type
+            ) as Model;
             typeName =
                 getFriendlyName(program, effectiveType) ?? effectiveType.name;
         }

test/TestProjects/Lro-Basic-Cadl/Generated/Docs/LroBasicCadlClient.xml

@@ -203,6 +203,84 @@ Schema for <c>Project</c>:
 }
 </code>
 
+</remarks>
+    </member>
+    <member name="CreateThingAsync(WaitUntil,RequestContent,RequestContext)">
+<example>
+This sample shows how to call CreateThingAsync with required parameters and request content and parse the result.
+<code><![CDATA[
+var endpoint = new Uri("<https://my-service.azure.com>");
+var client = new LroBasicCadlClient(endpoint);
+
+var data = new {
+    name = "<name>",
+};
+
+var operation = await client.CreateThingAsync(WaitUntil.Completed, RequestContent.Create(data));
+
+BinaryData data = operation.Value;
+JsonElement result = JsonDocument.Parse(data.ToStream()).RootElement;
+Console.WriteLine(result.GetProperty("name").ToString());
+]]></code>
+</example>
+<remarks>
+Below is the JSON schema for the request and response payloads.
+
+Request Body:
+
+Schema for <c>Thing</c>:
+<code>{
+  name: string, # Required.
+}
+</code>
+
+Response Body:
+
+Schema for <c>Thing</c>:
+<code>{
+  name: string, # Required.
+}
+</code>
+
+</remarks>
+    </member>
+    <member name="CreateThing(WaitUntil,RequestContent,RequestContext)">
+<example>
+This sample shows how to call CreateThing with required parameters and request content and parse the result.
+<code><![CDATA[
+var endpoint = new Uri("<https://my-service.azure.com>");
+var client = new LroBasicCadlClient(endpoint);
+
+var data = new {
+    name = "<name>",
+};
+
+var operation = client.CreateThing(WaitUntil.Completed, RequestContent.Create(data));
+
+BinaryData data = operation.Value;
+JsonElement result = JsonDocument.Parse(data.ToStream()).RootElement;
+Console.WriteLine(result.GetProperty("name").ToString());
+]]></code>
+</example>
+<remarks>
+Below is the JSON schema for the request and response payloads.
+
+Request Body:
+
+Schema for <c>Thing</c>:
+<code>{
+  name: string, # Required.
+}
+</code>
+
+Response Body:
+
+Schema for <c>Thing</c>:
+<code>{
+  name: string, # Required.
+}
+</code>
+
 </remarks>
     </member>
   </members>

test/TestProjects/Lro-Basic-Cadl/Generated/LroBasicCadlClient.cs

@@ -0,0 +1,54 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+// <auto-generated/>
+
+#nullable disable
+
+using System.Text.Json;
+using Azure;
+using Azure.Core;
+
+namespace LroBasicCadl.Models
+{
+    public partial class Thing : IUtf8JsonSerializable
+    {
+        void IUtf8JsonSerializable.Write(Utf8JsonWriter writer)
+        {
+            writer.WriteStartObject();
+            writer.WritePropertyName("name");
+            writer.WriteStringValue(Name);
+            writer.WriteEndObject();
+        }
+
+        internal static Thing DeserializeThing(JsonElement element)
+        {
+            string name = default;
+            foreach (var property in element.EnumerateObject())
+            {
+                if (property.NameEquals("name"))
+                {
+                    name = property.Value.GetString();
+                    continue;
+                }
+            }
+            return new Thing(name);
+        }
+
+        /// <summary> Deserializes the model from a raw response. </summary>
+        /// <param name="response"> The response to deserialize the model from. </param>
+        internal static Thing FromResponse(Response response)
+        {
+            using var document = JsonDocument.Parse(response.Content);
+            return DeserializeThing(document.RootElement);
+        }
+
+        /// <summary> Convert into a Utf8JsonRequestContent. </summary>
+        internal virtual RequestContent ToRequestContent()
+        {
+            var content = new Utf8JsonRequestContent();
+            content.JsonWriter.WriteObjectValue(this);
+            return content;
+        }
+    }
+}

test/TestProjects/Lro-Basic-Cadl/Generated/Models/Thing.Serialization.cs

@@ -0,0 +1,29 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+// <auto-generated/>
+
+#nullable disable
+
+using System;
+using Azure.Core;
+
+namespace LroBasicCadl.Models
+{
+    /// <summary> The Thing. </summary>
+    public partial class Thing
+    {
+        /// <summary> Initializes a new instance of Thing. </summary>
+        /// <param name="name"></param>
+        /// <exception cref="ArgumentNullException"> <paramref name="name"/> is null. </exception>
+        public Thing(string name)
+        {
+            Argument.AssertNotNull(name, nameof(name));
+
+            Name = name;
+        }
+
+        /// <summary> Gets or sets the name. </summary>
+        public string Name { get; set; }
+    }
+}