// @vitest-environment node
/**
 * 客户端服务器选择的边界。
 *
 * 正式包只跟随构建渠道（`VITE_AGC_PLATFORM_CHANNEL`），自定义地址只在本地 Vite debug 可用；
 * 归一化必须拒绝把凭据、路径、查询、哈希或明文远程地址带进登录请求——这些值随后会作为
 * origin 交给 Rust 与后端，渲染层这一层只负责即时反馈与内存投影。
 */
import { beforeEach, expect, test, vi } from 'vitest';

const { invoke, resolveTauriInvoke } = vi.hoisted(() => {
  const invokeMock = vi.fn();
  return {
    invoke: invokeMock,
    resolveTauriInvoke: vi.fn(() => invokeMock),
  };
});

vi.mock('../src/app/tauri', () => ({ resolveTauriInvoke }));

async function loadClientHttp() {
  return import('../src/services/clientHttp');
}

beforeEach(() => {
  vi.resetModules();
  vi.unstubAllEnvs();
  invoke.mockReset();
  resolveTauriInvoke.mockReturnValue(invoke);
});

test('非法服务器地址按原因逐条拒绝', async () => {
  const { normalizeClientServerBaseUrl } = await loadClientHttp();

  expect(() => normalizeClientServerBaseUrl('dev.genarrative.world')).toThrow(
    '服务器地址无效',
  );
  expect(() => normalizeClientServerBaseUrl('ftp://example.com')).toThrow(
    '服务器地址必须是纯 HTTP(S) 地址',
  );
  expect(() =>
    normalizeClientServerBaseUrl('https://user:pass@example.com'),
  ).toThrow('服务器地址必须是纯 HTTP(S) 地址');
  expect(() => normalizeClientServerBaseUrl('https://example.com/api')).toThrow(
    '服务器地址必须是纯 HTTP(S) 地址',
  );
  expect(() =>
    normalizeClientServerBaseUrl('https://example.com/?token=1'),
  ).toThrow('服务器地址必须是纯 HTTP(S) 地址');
  expect(() =>
    normalizeClientServerBaseUrl('https://example.com/#frag'),
  ).toThrow('服务器地址必须是纯 HTTP(S) 地址');
  expect(() => normalizeClientServerBaseUrl('http://example.com')).toThrow(
    '非本机服务器必须使用 HTTPS',
  );
});

test('合法地址去掉尾部斜杠并保留回环端口', async () => {
  const { normalizeClientServerBaseUrl } = await loadClientHttp();

  expect(normalizeClientServerBaseUrl('https://dev.genarrative.world///')).toBe(
    'https://dev.genarrative.world',
  );
  expect(normalizeClientServerBaseUrl(' http://127.0.0.1:10001/ ')).toBe(
    'http://127.0.0.1:10001',
  );
  expect(normalizeClientServerBaseUrl('http://localhost:8080')).toBe(
    'http://localhost:8080',
  );
});

test('预设映射到渠道地址，自定义走归一化', async () => {
  const mod = await loadClientHttp();

  expect(
    mod.getClientServerBaseUrl({ preset: 'release', customBaseUrl: '' }),
  ).toBe(mod.AGC_RELEASE_API_BASE_URL);
  expect(mod.getClientServerBaseUrl({ preset: 'dev', customBaseUrl: '' })).toBe(
    mod.AGC_DEVELOPMENT_API_BASE_URL,
  );
  expect(
    mod.getClientServerBaseUrl({
      preset: 'custom',
      customBaseUrl: 'https://staging.example.com/',
    }),
  ).toBe('https://staging.example.com');
  expect(mod.isClientServerPreset('custom')).toBe(true);
  expect(mod.isClientServerPreset('staging')).toBe(false);
});

test('开发态切换服务器会落盘并在内存中生效', async () => {
  vi.stubEnv('DEV', true);
  const mod = await loadClientHttp();

  expect(mod.isClientServerSelectionEnabled()).toBe(true);
  expect(
    mod.setClientServerSelection({
      preset: 'custom',
      customBaseUrl: ' https://staging.example.com/ ',
    }),
  ).toEqual({ preset: 'custom', customBaseUrl: 'https://staging.example.com' });
  await Promise.resolve();
  expect(invoke).toHaveBeenCalledWith('set_client_server_selection', {
    preset: 'custom',
    customBaseUrl: 'https://staging.example.com',
  });
  expect(mod.getClientServerBaseUrl()).toBe('https://staging.example.com');
});

test('开发态从 Rust 偏好恢复服务器选择', async () => {
  vi.stubEnv('DEV', true);
  const mod = await loadClientHttp();
  invoke.mockResolvedValue({
    clientServerSelection: {
      preset: 'custom',
      customBaseUrl: 'https://restored.example.com',
    },
  });

  await expect(mod.hydrateClientServerSelection()).resolves.toEqual({
    preset: 'custom',
    customBaseUrl: 'https://restored.example.com',
  });
  expect(invoke).toHaveBeenCalledWith('read_workspace_preferences');
  expect(mod.getClientServerSelection()).toEqual({
    preset: 'custom',
    customBaseUrl: 'https://restored.example.com',
  });
});

// 「打包态不开放服务器切换」这条规则这里测不了：`import.meta.env.DEV` 在测试运行下恒为
// true，`vi.stubEnv('DEV', false)` 改不动它（Vite/Vitest 把它按构建期常量处理），因此
// `isClientServerSelectionEnabled()` 与 `getClientServerSelection()` 的打包分支只能在真实
// 发布构建里核对。本文件覆盖的是地址归一化、预设映射、开发态落盘与偏好恢复。