import {
  LeadStageAutomationService,
  evaluateLeadStagePromotion,
  LeadStage,
  LeadBehaviorTrigger,
} from '../../../src/modules/crm/service/lead-automation';

describe('Point 58 (P1): 潜客线索行为自动化阶段推进引擎', () => {
  let service: LeadStageAutomationService;

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

  describe('1. evaluateLeadStagePromotion (行为触发与阶段自动跃升)', () => {
    it('新访客停留时长超过 120 秒且有 AI 咨询互动时，应自动从 new 推进为 contacted', () => {
      const next = evaluateLeadStagePromotion('new', {
        action: 'AI_CHAT_INTERACT',
        staySeconds: 150,
        radarScore: 65,
      });

      expect(next.promoted).toBe(true);
      expect(next.targetStage).toBe('contacted');
      expect(next.reason).toContain('智能顾问');
    });

    it('访客提交留资或雷达意向分 >= 80 时，应自动推进为 qualified', () => {
      const next = evaluateLeadStagePromotion('contacted', {
        action: 'FORM_SUBMITTED',
        radarScore: 85,
      });

      expect(next.promoted).toBe(true);
      expect(next.targetStage).toBe('qualified');
    });

    it('成功预约跨国会议时，应直接跃升至 proposal 阶段', () => {
      const next = evaluateLeadStagePromotion('qualified', {
        action: 'MEETING_SCHEDULED',
      });

      expect(next.promoted).toBe(true);
      expect(next.targetStage).toBe('proposal');
    });

    it('Stripe 订阅付款成功时，自动推进为 closed_won 成交', () => {
      const next = evaluateLeadStagePromotion('proposal', {
        action: 'PAYMENT_SUCCESS',
      });

      expect(next.promoted).toBe(true);
      expect(next.targetStage).toBe('closed_won');
    });

    it('已有高阶段 (如 proposal) 不应因低频次事件发生逆向降级', () => {
      const next = evaluateLeadStagePromotion('proposal', {
        action: 'PAGE_VIEW',
        staySeconds: 10,
      });

      expect(next.promoted).toBe(false);
      expect(next.targetStage).toBe('proposal');
    });
  });

  describe('2. LeadStageAutomationService 状态流转执行与日志审计', () => {
    it('应自动执行线索推进并返回流转记录', async () => {
      const mockLead = {
        id: 701,
        stage: 'new' as LeadStage,
        name: 'Tariq',
      };

      const result = await service.processBehaviorEvent(mockLead, {
        action: 'FORM_SUBMITTED',
        radarScore: 90,
      });

      expect(result.previousStage).toBe('new');
      expect(result.currentStage).toBe('qualified');
      expect(result.historyLog.length).toBeGreaterThan(0);
    });
  });
});