// The Lucia project.
// Copyright 2026-2026 DSP, inc.  All rights reserved.
// Authors:
//   imacat.yang@dsp.im (imacat), 2026/07/04

import { describe, it, expect, beforeEach, vi } from "vitest";
import { setActivePinia, createPinia } from "pinia";
import { useCytoscapeStore } from "@/stores/cytoscapeStore";

// Mock localStorage since jsdom's localStorage is limited
const localStorageMock = (() => {
  let store = {};
  return {
    getItem: vi.fn((key) => store[key] || null),
    setItem: vi.fn((key, value) => {
      store[key] = value;
    }),
    removeItem: vi.fn((key) => {
      delete store[key];
    }),
    clear: vi.fn(() => {
      store = {};
    }),
  };
})();
Object.defineProperty(globalThis, "localStorage", {
  value: localStorageMock,
});

describe("cytoscapeStore saveNodePosition without stored data", () => {
  let store;

  beforeEach(() => {
    setActivePinia(createPinia());
    store = useCytoscapeStore();
    localStorageMock.clear();
    vi.clearAllMocks();
    // Keep localStorage empty for SAVE_KEY_NAME throughout, as when
    // storage is unavailable or cleared externally between saves.
    localStorageMock.getItem.mockReturnValue(null);
  });

  it("does not duplicate a node saved twice without stored data", () => {
    store.setCurrentGraphId("graph1");
    store.saveNodePosition("node1", { x: 10, y: 20 }, "TB");
    store.saveNodePosition("node1", { x: 30, y: 40 }, "TB");
    expect(store.nodePositions["graph1"]["TB"]).toHaveLength(1);
    expect(store.nodePositions["graph1"]["TB"][0]).toEqual({
      id: "node1",
      position: { x: 30, y: 40 },
    });
  });

  it("adds separate entries for different nodes", () => {
    store.setCurrentGraphId("graph1");
    store.saveNodePosition("node1", { x: 10, y: 20 }, "TB");
    store.saveNodePosition("node2", { x: 30, y: 40 }, "TB");
    expect(store.nodePositions["graph1"]["TB"]).toEqual([
      { id: "node1", position: { x: 10, y: 20 } },
      { id: "node2", position: { x: 30, y: 40 } },
    ]);
  });
});