import { beforeEach, describe, expect, it, vi } from "vitest";

import { deleteSession, fetchSessionMessages, updateSettings } from "@/lib/api";

describe("webui API helpers", () => {
  beforeEach(() => {
    vi.stubGlobal(
      "fetch",
      vi.fn().mockResolvedValue({
        ok: true,
        json: async () => ({ deleted: true, key: "websocket:chat-1", messages: [] }),
      }),
    );
  });

  it("percent-encodes websocket keys when fetching session history", async () => {
    await fetchSessionMessages("tok", "websocket:chat-1");

    expect(fetch).toHaveBeenCalledWith(
      "/api/sessions/websocket%3Achat-1/messages",
      expect.objectContaining({
        headers: { Authorization: "Bearer tok" },
      }),
    );
  });

  it("percent-encodes websocket keys when deleting a session", async () => {
    await deleteSession("tok", "websocket:chat-1");

    expect(fetch).toHaveBeenCalledWith(
      "/api/sessions/websocket%3Achat-1/delete",
      expect.objectContaining({
        headers: { Authorization: "Bearer tok" },
      }),
    );
  });

  it("serializes settings updates as a narrow query string", async () => {
    await updateSettings("tok", {
      model: "openrouter/test",
      provider: "openrouter",
    });

    expect(fetch).toHaveBeenCalledWith(
      "/api/settings/update?model=openrouter%2Ftest&provider=openrouter",
      expect.objectContaining({
        headers: { Authorization: "Bearer tok" },
      }),
    );
  });
});