import axios from 'axios';
import {
  CrmRadarPushService,
  RadarPushPayload,
  isHotRadarPush,
} from '../../../src/modules/crm/service/push';
import { RadarTrack } from '../../../src/comm/types/omni';

jest.mock('axios');
const mockedAxios = axios as jest.Mocked<typeof axios>;

function makeTrack(overrides: Partial<RadarTrack> = {}): RadarTrack {
  return {
    id: 1,
    tenantId: 10,
    cardId: 101,
    visitorId: 'vis_abc_123',
    ip: '8.8.8.8',
    country: 'US',
    city: 'Mountain View',
    touchType: 'nfc',
    stayDurationMs: 12000,
    scrollDepth: 40,
    viewedBlocks: ['hero'],
    createdAt: '2026-09-20T10:00:00.000Z',
    ...overrides,
  };
}

describe('Task 35: 雷达 Push 通知内存渠道 (CrmRadarPushService)', () => {
  const payloadKeys: Array<keyof RadarPushPayload> = [
    'event',
    'cardId',
    'visitorId',
    'country',
    'city',
    'touchType',
    'stayDurationMs',
  ];

  let service: CrmRadarPushService;
  const originalWebhookUrl = process.env.RADAR_PUSH_WEBHOOK_URL;

  beforeEach(() => {
    service = new CrmRadarPushService();
    delete process.env.RADAR_PUSH_WEBHOOK_URL;
    mockedAxios.post.mockReset();
  });

  afterEach(() => {
    if (originalWebhookUrl === undefined) {
      delete process.env.RADAR_PUSH_WEBHOOK_URL;
    } else {
      process.env.RADAR_PUSH_WEBHOOK_URL = originalWebhookUrl;
    }
  });

  it('buildPayload 字段齐全且 event 为 radar.visitor', () => {
    const track = makeTrack();
    const payload = service.buildPayload(track);

    for (const key of payloadKeys) {
      expect(payload).toHaveProperty(key);
    }
    expect(Object.keys(payload).sort()).toEqual([...payloadKeys].sort());
    expect(payload.event).toBe('radar.visitor');
    expect(payload.cardId).toBe(track.cardId);
    expect(payload.visitorId).toBe(track.visitorId);
    expect(payload.country).toBe(track.country);
    expect(payload.city).toBe(track.city);
    expect(payload.touchType).toBe(track.touchType);
    expect(payload.stayDurationMs).toBe(track.stayDurationMs);
  });

  it('subscribe 后 publish 能收到对应名片的载荷', () => {
    const received: RadarPushPayload[] = [];
    const track = makeTrack({ cardId: 202, visitorId: 'vis_sub' });

    service.subscribe(202, payload => {
      received.push(payload);
    });
    service.publish(track);

    expect(received).toHaveLength(1);
    expect(received[0].event).toBe('radar.visitor');
    expect(received[0].cardId).toBe(202);
    expect(received[0].visitorId).toBe('vis_sub');
  });

  it('不同 cardId 的订阅互不串扰', () => {
    const cardA: RadarPushPayload[] = [];
    const cardB: RadarPushPayload[] = [];

    service.subscribe(301, payload => {
      cardA.push(payload);
    });
    service.subscribe('302', payload => {
      cardB.push(payload);
    });

    service.publish(makeTrack({ cardId: 301, visitorId: 'vis_a' }));
    service.publish(makeTrack({ cardId: 302, visitorId: 'vis_b' }));

    expect(cardA).toHaveLength(1);
    expect(cardA[0].visitorId).toBe('vis_a');
    expect(cardB).toHaveLength(1);
    expect(cardB[0].visitorId).toBe('vis_b');
  });

  it('停留满 3 分钟或浏览 3 个模块视为高意向推送', () => {
    expect(isHotRadarPush({ stayDurationMs: 179999, viewedBlocks: ['hero'] })).toBe(
      false
    );
    expect(isHotRadarPush({ stayDurationMs: 180000, viewedBlocks: [] })).toBe(true);
    expect(
      isHotRadarPush({ stayDurationMs: 1000, viewedBlocks: ['hero', 'case', 'article'] })
    ).toBe(true);
  });

  it('unsubscribe 后不再收到后续 publish', () => {
    const received: RadarPushPayload[] = [];
    const listener = (payload: RadarPushPayload) => {
      received.push(payload);
    };

    service.subscribe(401, listener);
    service.publish(makeTrack({ cardId: 401, visitorId: 'vis_before' }));
    service.unsubscribe(401, listener);
    service.publish(makeTrack({ cardId: 401, visitorId: 'vis_after' }));

    expect(received).toHaveLength(1);
    expect(received[0].visitorId).toBe('vis_before');
  });

  describe('dispatch 外发结果', () => {
    it('未配置 RADAR_PUSH_WEBHOOK_URL 时先通知内存监听者，返回 delivered:false channel:memory', async () => {
      const received: RadarPushPayload[] = [];
      const payload = service.buildPayload(
        makeTrack({ cardId: 501, visitorId: 'vis_dispatch_mem' })
      );
      service.subscribe(501, p => {
        received.push(p);
      });

      const result = await service.dispatch(payload);

      expect(received).toHaveLength(1);
      expect(received[0].visitorId).toBe('vis_dispatch_mem');
      expect(result).toEqual({ delivered: false, channel: 'memory' });
      expect(result.delivered).toBe(false);
      expect(mockedAxios.post).not.toHaveBeenCalled();
    });

    it('公网 Webhook HTTP 2xx 才返回 delivered:true channel:webhook', async () => {
      process.env.RADAR_PUSH_WEBHOOK_URL = 'https://hooks.example.com/radar';
      mockedAxios.post.mockResolvedValue({ status: 204, data: {} } as never);
      const payload = service.buildPayload(
        makeTrack({ cardId: 502, visitorId: 'vis_ok' })
      );

      const result = await service.dispatch(payload);

      expect(mockedAxios.post).toHaveBeenCalledWith(
        'https://hooks.example.com/radar',
        payload,
        { timeout: 5000 }
      );
      expect(result).toEqual({ delivered: true, channel: 'webhook' });
    });

    it('Webhook 请求失败不抛错，返回 delivered:false 且带 error', async () => {
      process.env.RADAR_PUSH_WEBHOOK_URL = 'https://hooks.example.com/radar';
      mockedAxios.post.mockRejectedValue(new Error('socket hang up'));
      const payload = service.buildPayload(
        makeTrack({ cardId: 503, visitorId: 'vis_fail' })
      );

      await expect(service.dispatch(payload)).resolves.toEqual({
        delivered: false,
        channel: 'webhook',
        error: 'socket hang up',
      });
    });

    it('非 2xx 不伪造 delivered:true', async () => {
      process.env.RADAR_PUSH_WEBHOOK_URL = 'https://hooks.example.com/radar';
      mockedAxios.post.mockResolvedValue({ status: 500, data: 'err' } as never);
      const payload = service.buildPayload(makeTrack({ cardId: 504 }));

      const result = await service.dispatch(payload);

      expect(result.delivered).toBe(false);
      expect(result.channel).toBe('webhook');
      expect(result.error).toBeTruthy();
    });

    it.each([
      'http://localhost/hook',
      'http://127.0.0.1:9000/hook',
      'http://10.1.2.3/hook',
      'http://172.16.0.1/hook',
      'http://172.31.255.1/hook',
      'http://192.168.1.10/hook',
      'ftp://hooks.example.com/radar',
      'file:///etc/passwd',
    ])('拒绝内网或非 http(s) URL：%s，不发请求', async url => {
      process.env.RADAR_PUSH_WEBHOOK_URL = url;
      const payload = service.buildPayload(makeTrack({ cardId: 505 }));

      const result = await service.dispatch(payload);

      expect(mockedAxios.post).not.toHaveBeenCalled();
      expect(result.delivered).toBe(false);
      expect(result.error).toMatch(/内网|拒绝|http/i);
    });
  });
});