import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
import { render, act, waitFor } from '@testing-library/react';

// A voiceStore arrasta o AudioManager, que carrega um AudioWorklet inexistente
// no jsdom. Mesmo stub que os outros testes que tocam nesta store usam.
vi.mock('../../audio/AudioManager', () => ({
  AudioManager: { getInstance: () => ({ resumeContext: vi.fn() }) },
}));

import { AndroidVoiceService } from './AndroidVoiceService';
import { useVoiceStore } from '../../stores/voiceStore';

const start = vi.fn(() => Promise.resolve());
const stop = vi.fn(() => Promise.resolve());
let hangupHandler: (() => void) | null = null;

function installCapacitor(platform = 'android') {
  (globalThis as { Capacitor?: unknown }).Capacitor = {
    isNativePlatform: () => true,
    getPlatform: () => platform,
    Plugins: {
      VoiceForeground: {
        start,
        stop,
        addListener: (_e: string, h: () => void) => {
          hangupHandler = h;
          return Promise.resolve({ remove: () => { hangupHandler = null; } });
        },
      },
    },
  };
}

describe('AndroidVoiceService', () => {
  beforeEach(() => {
    start.mockClear();
    stop.mockClear();
    hangupHandler = null;
    useVoiceStore.setState({ isLiveKitConnected: false, currentVoiceChannelId: null });
  });

  afterEach(() => {
    delete (globalThis as { Capacitor?: unknown }).Capacitor;
  });

  it('starts the service when a call connects and stops it when it ends', async () => {
    installCapacitor();
    render(<AndroidVoiceService />);
    expect(start).not.toHaveBeenCalled();

    act(() => {
      useVoiceStore.setState({ isLiveKitConnected: true, currentVoiceChannelId: 'c-1' });
    });
    await waitFor(() => expect(start).toHaveBeenCalledTimes(1));

    act(() => {
      useVoiceStore.setState({ isLiveKitConnected: false, currentVoiceChannelId: null });
    });
    await waitFor(() => expect(stop).toHaveBeenCalledTimes(1));
  });

  it('starts on mount when a call is already in progress', async () => {
    // A WebView pode recarregar no meio da chamada. Se o servico so subisse na
    // proxima transicao, a call seguiria desprotegida ate alguem sair e entrar
    // de novo — e cairia ao trancar a tela.
    installCapacitor();
    useVoiceStore.setState({ isLiveKitConnected: true, currentVoiceChannelId: 'c-1' });

    render(<AndroidVoiceService />);

    await waitFor(() => expect(start).toHaveBeenCalledTimes(1));
  });

  it('leaves the call when the notification hangup is tapped', async () => {
    installCapacitor();
    const disconnectFn = vi.fn(() => Promise.resolve());
    useVoiceStore.setState({ disconnectFn });

    render(<AndroidVoiceService />);
    await waitFor(() => expect(hangupHandler).not.toBeNull());

    act(() => hangupHandler!());

    expect(disconnectFn).toHaveBeenCalled();
  });

  it('does nothing outside the Android app', async () => {
    // Mesmo componente montado no navegador e no desktop: nao pode tocar em
    // nada nativo nem quebrar.
    render(<AndroidVoiceService />);

    act(() => {
      useVoiceStore.setState({ isLiveKitConnected: true, currentVoiceChannelId: 'c-1' });
    });

    expect(start).not.toHaveBeenCalled();
    expect(stop).not.toHaveBeenCalled();
  });

  it('ignores a web build of Capacitor', async () => {
    installCapacitor('web');
    render(<AndroidVoiceService />);

    act(() => {
      useVoiceStore.setState({ isLiveKitConnected: true, currentVoiceChannelId: 'c-1' });
    });

    expect(start).not.toHaveBeenCalled();
  });
});