// @vitest-environment jsdom
import { cleanup, render, screen, within } from '@testing-library/react';
import userEvent from '@testing-library/user-event';
import { afterEach, describe, expect, it, vi } from 'vitest';

import type { InstanceContext } from '../app-shell.js';
import { CallsModule, type CallsDataSource, type CallsSnapshot } from './calls-module.js';

afterEach(cleanup);

const owner: InstanceContext = {
  id: 'alpha',
  name: 'Alpha',
  origin: 'https://alpha.example',
  status: 'online',
  authentication: 'authenticated',
  freshness: 'fresh',
};

const snapshot: CallsSnapshot = {
  observedAt: '2026-07-17T12:30:00Z',
  calls: { state: 'active', active: 2, ringing: 1, held: 0 },
  devices: { state: 'available', total: 4, online: 3, busy: 2 },
};

function deferredSource() {
  let resolvePending!: (value: CallsSnapshot) => void;
  const load = vi.fn<CallsDataSource['load']>(
    (_instanceId, _signal) =>
      new Promise((done) => {
        void _instanceId;
        void _signal;
        resolvePending = done;
      }),
  );
  return { source: { load }, load, resolve: (value: CallsSnapshot) => resolvePending(value) };
}

describe('isolated Calls read module', () => {
  it('loads only through the injected source and renders aggregate call and device status', async () => {
    const pending = deferredSource();
    render(<CallsModule instance={owner} dataSource={pending.source} />);
    expect(screen.getByRole('status', { name: '通话加载状态' })).toBeTruthy();
    expect(pending.load).toHaveBeenCalledWith('alpha', expect.any(AbortSignal));
    pending.resolve(snapshot);

    const calls = await screen.findByRole('region', { name: '通话状态' });
    const devices = screen.getByRole('region', { name: '设备状态' });
    expect(within(calls).getByText('活跃')).toBeTruthy();
    expect(within(calls).getByText('2')).toBeTruthy();
    expect(within(devices).getByText('可用')).toBeTruthy();
    expect(screen.getByText(/观测时间：2026-07-17T12:30:00Z/)).toBeTruthy();
  });

  it('strictly allowlists aggregate fields and exposes no phone numbers, audio, logs, or controls', async () => {
    const unsafe = {
      ...snapshot,
      phoneNumber: '+1-555-0100',
      audio: 'private recording body',
      logBody: 'private call log body',
      calls: { ...snapshot.calls, caller: '+1-555-0101', transcript: 'private transcript' },
      devices: { ...snapshot.devices, phoneNumber: '+1-555-0102', audioUrl: 'secret-audio-url' },
    } as CallsSnapshot;
    render(<CallsModule instance={owner} dataSource={{ load: async () => unsafe }} />);
    expect(await screen.findByText('可用')).toBeTruthy();
    expect(document.body.textContent).not.toMatch(/555|private|secret-audio/i);
    expect(screen.queryByRole('button')).toBeNull();
  });

  it('fails closed without authentication or an injected source', async () => {
    const load = vi.fn<CallsDataSource['load']>().mockResolvedValue(snapshot);
    const { rerender } = render(
      <CallsModule
        instance={{ ...owner, authentication: 'auth-required' }}
        dataSource={{ load }}
      />,
    );
    expect(screen.getByRole('alert').textContent).toMatch(/需要先完成认证/i);
    expect(load).not.toHaveBeenCalled();

    rerender(<CallsModule instance={owner} />);
    expect(screen.getByRole('status', { name: '通话不可用' }).textContent).toMatch(
      /没有可用的安全通话只读数据源.*不会臆造.*生产端点/i,
    );
  });

  it('uses fixed safe errors, retries, and retains the same owner snapshot on refresh failure', async () => {
    const user = userEvent.setup();
    const load = vi
      .fn<CallsDataSource['load']>()
      .mockResolvedValueOnce(snapshot)
      .mockRejectedValueOnce(new Error('secret endpoint and telephone'))
      .mockResolvedValueOnce({ ...snapshot, calls: { ...snapshot.calls, active: 3 } });
    const source = { load };
    const { rerender } = render(
      <CallsModule instance={owner} dataSource={source} refreshSignal={0} />,
    );
    expect(await screen.findByText('可用')).toBeTruthy();
    rerender(<CallsModule instance={owner} dataSource={source} refreshSignal={1} />);

    const alert = await screen.findByRole('alert');
    expect(alert.textContent).toMatch(/正在显示上次已知的通话数据/i);
    expect(alert.textContent).not.toMatch(/secret endpoint|telephone/i);
    expect(screen.getByText('可用')).toBeTruthy();
    await user.click(screen.getByRole('button', { name: '重试加载通话' }));
    expect(
      await within(screen.getByRole('region', { name: '通话状态' })).findByText('3'),
    ).toBeTruthy();
  });

  it('aborts superseded reads and fences late data from another owner', async () => {
    const alpha = deferredSource();
    const bravo = deferredSource();
    const load = vi.fn<CallsDataSource['load']>((id, signal) =>
      id === 'alpha' ? alpha.source.load(id, signal) : bravo.source.load(id, signal),
    );
    const source = { load };
    const { rerender } = render(<CallsModule instance={owner} dataSource={source} />);
    const alphaSignal = load.mock.calls[0]?.[1];
    rerender(
      <CallsModule instance={{ ...owner, id: 'bravo', name: 'Bravo' }} dataSource={source} />,
    );
    expect(alphaSignal?.aborted).toBe(true);
    alpha.resolve({ ...snapshot, calls: { state: 'late-alpha' } });
    bravo.resolve({ ...snapshot, calls: { state: 'current-bravo' } });
    expect(await screen.findByText('current-bravo')).toBeTruthy();
    expect(screen.queryByText('late-alpha')).toBeNull();
  });
});