[PM-6818] legacy generator service adapter (#8582)

* introduce legacy generators
* introduce generator navigation service
* Introduce default options. These accept a userId so that they can be policy-defined
* replace `GeneratorOptions` with backwards compatible `GeneratorNavigation`

libs/common/src/tools/generator/username/subaddress-generator-strategy.spec.ts

@@ -10,6 +10,11 @@ import { UserId } from "../../../types/guid";
 import { DefaultPolicyEvaluator } from "../default-policy-evaluator";
 import { SUBADDRESS_SETTINGS } from "../key-definitions";
 
+import {
+  DefaultSubaddressOptions,
+  SubaddressGenerationOptions,
+} from "./subaddress-generator-options";
+
 import { SubaddressGeneratorStrategy, UsernameGenerationServiceAbstraction } from ".";
 
 const SomeUser = "some user" as UserId;
@@ -47,6 +52,16 @@ describe("Email subaddress list generation strategy", () => {
     });
   });
 
+  describe("defaults$", () => {
+    it("should return the default subaddress options", async () => {
+      const strategy = new SubaddressGeneratorStrategy(null, null);
+
+      const result = await firstValueFrom(strategy.defaults$(SomeUser));
+
+      expect(result).toEqual(DefaultSubaddressOptions);
+    });
+  });
+
   describe("cache_ms", () => {
     it("should be a positive non-zero number", () => {
       const legacy = mock<UsernameGenerationServiceAbstraction>();
@@ -70,16 +85,14 @@ describe("Email subaddress list generation strategy", () => {
       const legacy = mock<UsernameGenerationServiceAbstraction>();
       const strategy = new SubaddressGeneratorStrategy(legacy, null);
       const options = {
-        type: "website-name" as const,
-        email: "someone@example.com",
-      };
+        subaddressType: "website-name",
+        subaddressEmail: "someone@example.com",
+        website: "foo.com",
+      } as SubaddressGenerationOptions;
 
       await strategy.generate(options);
 
-      expect(legacy.generateSubaddress).toHaveBeenCalledWith({
-        subaddressType: "website-name" as const,
-        subaddressEmail: "someone@example.com",
-      });
+      expect(legacy.generateSubaddress).toHaveBeenCalledWith(options);
     });
   });
 });