import { beforeEach, expect, test } from "vitest";
import { workspacePreferences } from "./preferences";

beforeEach(() => {
  localStorage.clear();
  workspacePreferences.reset();
});

test("keeps selections only in current application memory", () => {
  localStorage.setItem("unrelated", "keep-me");
  workspacePreferences.save({
    workspaceId: "research",
    provider: "deepseek",
    model: "deepseek-v4-pro",
    thinking: "high",
  });

  expect(workspacePreferences.load()).toEqual({
    workspaceId: "research",
    provider: "deepseek",
    model: "deepseek-v4-pro",
    thinking: "high",
  });
  expect(localStorage.length).toBe(1);
  expect(localStorage.getItem("unrelated")).toBe("keep-me");
  expect(localStorage.getItem("thothii.workspace-registry.v1.preferences")).toBeNull();
});

test("seeds memory from backend settings once and returns defensive copies", () => {
  expect(workspacePreferences.migrate({
    workspaceId: "psd-clinical", provider: "zai", model: "glm-5.2", thinking: "medium",
  })).toMatchObject({ workspaceId: "psd-clinical", model: "glm-5.2" });
  const snapshot = workspacePreferences.load();
  snapshot.workspaceId = "mutated-copy";

  expect(workspacePreferences.migrate({ workspaceId: "legacy" })).toMatchObject({
    workspaceId: "psd-clinical", provider: "zai", model: "glm-5.2", thinking: "medium",
  });
});