import {
  RadarGeoHeatmapService,
  resolveCityCoordinates,
  calculateGeoHeatPoints,
  VisitorGeoLog,
  GeoHeatPoint,
} from '../../../src/modules/crm/service/geo-heatmap';

describe('Point 55: 全球访客雷达国家城市坐标聚合与热力散点引擎', () => {
  let service: RadarGeoHeatmapService;

  beforeEach(() => {
    service = new RadarGeoHeatmapService();
  });

  describe('1. resolveCityCoordinates (全球核心商务枢纽城市经纬度解析)', () => {
    it('应精准解析迪拜、利雅得、新加坡与伦敦经纬度', () => {
      const dubai = resolveCityCoordinates('AE', 'Dubai');
      expect(dubai).toEqual([55.27, 25.20]);

      const riyadh = resolveCityCoordinates('SA', 'Riyadh');
      expect(riyadh).toEqual([46.67, 24.71]);

      const sg = resolveCityCoordinates('SG', 'Singapore');
      expect(sg).toEqual([103.81, 1.35]);

      const london = resolveCityCoordinates('GB', 'London');
      expect(london).toEqual([-0.12, 51.50]);
    });

    it('未收录城市应平滑回退到对应国家首都或默认中心点', () => {
      const fallback = resolveCityCoordinates('AE', 'UnknownCity');
      expect(fallback).toEqual([54.37, 24.45]); // 阿联酋中心点 (Abu Dhabi)
    });
  });

  describe('2. calculateGeoHeatPoints (意向权重与时间半衰期热力计算)', () => {
    const now = Date.now();
    const mockLogs: VisitorGeoLog[] = [
      // 迪拜 2 次高意向访问 (1小时前)
      {
        country: 'AE',
        city: 'Dubai',
        radarScore: 90,
        timestamp: now - 3600 * 1000,
      },
      {
        country: 'AE',
        city: 'Dubai',
        radarScore: 85,
        timestamp: now - 1800 * 1000,
      },
      // 利雅得 1 次访问 (7天前，有时间衰减)
      {
        country: 'SA',
        city: 'Riyadh',
        radarScore: 80,
        timestamp: now - 7 * 86400 * 1000,
      },
    ];

    it('应精准聚合城市点并计算独立访客与加权热度', () => {
      const points = calculateGeoHeatPoints(mockLogs, now);

      expect(points.length).toBe(2);

      const dubaiPoint = points.find(p => p.city === 'Dubai');
      expect(dubaiPoint).toBeDefined();
      expect(dubaiPoint?.visitorCount).toBe(2);
      expect(dubaiPoint?.coordinates).toEqual([55.27, 25.20]);
      expect(dubaiPoint?.heatValue).toBeGreaterThan(150); // 近期无衰减累计

      const riyadhPoint = points.find(p => p.city === 'Riyadh');
      expect(riyadhPoint).toBeDefined();
      expect(riyadhPoint?.visitorCount).toBe(1);
      // 7天衰减后热度减半 (~40)
      expect(riyadhPoint?.heatValue).toBeLessThan(50);
    });
  });

  describe('3. RadarGeoHeatmapService 综合数据报告', () => {
    it('应返回热力散点列表与 Top 国家活跃度榜单', async () => {
      const result = await service.generateHeatmapReport([
        { country: 'AE', city: 'Dubai', radarScore: 95, timestamp: Date.now() },
        { country: 'SG', city: 'Singapore', radarScore: 80, timestamp: Date.now() },
      ]);

      expect(result.points.length).toBe(2);
      expect(result.topCountries[0].country).toBe('AE');
      expect(result.totalUniqueVisitors).toBe(2);
    });
  });
});