/**
 * Enterprise-level test scenarios for the Daily Notification plugin
 */

import { describe, it, expect, beforeEach, jest } from '@jest/globals';
import { DailyNotificationPlugin, NotificationEvent } from '../src/definitions';
import { DailyNotification } from '../src/daily-notification';

describe('DailyNotification Enterprise Scenarios', () => {
  let plugin: DailyNotification;
  let mockPlugin: jest.Mocked<DailyNotificationPlugin>;

  beforeEach(() => {
    mockPlugin = {
      scheduleDailyNotification: jest.fn(),
      getLastNotification: jest.fn(),
      cancelAllNotifications: jest.fn(),
      getNotificationStatus: jest.fn(),
      updateSettings: jest.fn(),
      checkPermissions: jest.fn(),
      requestPermissions: jest.fn(),
    };
    plugin = new DailyNotification(mockPlugin);
  });

  describe('Notification Queue System', () => {
    it('should process notifications in queue order', async () => {
      const notifications = [
        { time: '09:00', title: 'First Update' },
        { time: '10:00', title: 'Second Update' },
        { time: '11:00', title: 'Third Update' },
      ];

      for (const notification of notifications) {
        await plugin.scheduleDailyNotification({
          url: 'https://api.example.com/queue',
          time: notification.time,
          title: notification.title,
        });
      }

      expect(mockPlugin.scheduleDailyNotification).toHaveBeenCalledTimes(3);
      expect(mockPlugin.scheduleDailyNotification).toHaveBeenNthCalledWith(
        1,
        expect.objectContaining({
          time: '09:00',
          title: 'First Update',
        })
      );
    });

    it('should handle queue processing errors gracefully', async () => {
      mockPlugin.scheduleDailyNotification.mockRejectedValueOnce(
        new Error('Processing error')
      );

      await expect(
        plugin.scheduleDailyNotification({
          url: 'https://api.example.com/error',
          time: '09:00',
        })
      ).rejects.toThrow('Processing error');
    });
  });

  describe('A/B Testing', () => {
    it('should schedule different notification variants', async () => {
      const variants = [
        { title: 'Variant A', priority: 'high' as const },
        { title: 'Variant B', priority: 'normal' as const },
      ];

      for (const variant of variants) {
        await plugin.scheduleDailyNotification({
          url: 'https://api.example.com/ab-test',
          time: '09:00',
          ...variant,
        });
      }

      expect(mockPlugin.scheduleDailyNotification).toHaveBeenCalledTimes(2);
      expect(mockPlugin.scheduleDailyNotification).toHaveBeenCalledWith(
        expect.objectContaining({
          title: 'Variant A',
          priority: 'high',
        })
      );
    });

    it('should track variant data correctly', async () => {
      const variant = {
        title: 'Test Variant',
        data: { variant: 'A', timestamp: new Date().toISOString() },
      };

      await plugin.scheduleDailyNotification({
        url: 'https://api.example.com/ab-test',
        time: '09:00',
        ...variant,
      });

      expect(mockPlugin.scheduleDailyNotification).toHaveBeenCalledWith(
        expect.objectContaining({
          data: variant.data,
        })
      );
    });
  });

  describe('Analytics Tracking', () => {
    it('should track notification delivery events', async () => {
      const event = new Event('notification') as NotificationEvent;
      event.detail = {
        id: 'test-id',
        action: 'delivered',
        data: { timestamp: new Date().toISOString() },
      };

      const handler = jest.fn();
      plugin.on('notification', handler);
      document.dispatchEvent(event);

      expect(handler).toHaveBeenCalledWith(event);
    });

    it('should track notification interaction events', async () => {
      const event = new Event('notification_clicked') as NotificationEvent;
      event.detail = {
        id: 'test-id',
        action: 'clicked',
        data: { url: 'https://example.com' },
      };

      const handler = jest.fn();
      document.addEventListener('notification_clicked', handler);
      document.dispatchEvent(event);

      expect(handler).toHaveBeenCalledWith(event);
    });
  });

  describe('Preferences Management', () => {
    it('should update multiple notification settings', async () => {
      const settings = {
        time: '10:00',
        priority: 'high' as const,
        sound: true,
        timezone: 'America/New_York',
      };

      await plugin.updateSettings(settings);
      expect(mockPlugin.updateSettings).toHaveBeenCalledWith(settings);
    });

    it('should handle category-based notifications', async () => {
      const categories = ['news', 'weather', 'tasks'];
      
      for (const category of categories) {
        await plugin.scheduleDailyNotification({
          url: `https://api.example.com/categories/${category}`,
          time: '09:00',
          title: `${category} Update`,
        });
      }

      expect(mockPlugin.scheduleDailyNotification).toHaveBeenCalledTimes(3);
      expect(mockPlugin.scheduleDailyNotification).toHaveBeenCalledWith(
        expect.objectContaining({
          title: 'news Update',
        })
      );
    });
  });

  describe('Content Personalization', () => {
    it('should handle personalized notification content', async () => {
      const profile = {
        id: 'user123',
        name: 'John Doe',
        preferences: {
          language: 'en-US',
          timezone: 'America/New_York',
          categories: ['news'],
        },
      };

      await plugin.scheduleDailyNotification({
        url: 'https://api.example.com/personalized',
        time: '09:00',
        title: `Good morning, ${profile.name}!`,
        timezone: profile.preferences.timezone,
        headers: {
          'X-User-ID': profile.id,
          'X-Language': profile.preferences.language,
        },
      });

      expect(mockPlugin.scheduleDailyNotification).toHaveBeenCalledWith(
        expect.objectContaining({
          title: 'Good morning, John Doe!',
          timezone: 'America/New_York',
          headers: expect.any(Object),
        })
      );
    });

    it('should handle personalized content with custom handler', async () => {
      const contentHandler = async (response: Response) => {
        const data = await response.json();
        return {
          title: 'Handled Content',
          body: data.content,
          data: { timestamp: new Date().toISOString() },
        };
      };

      await plugin.scheduleDailyNotification({
        url: 'https://api.example.com/personalized',
        time: '09:00',
        contentHandler,
      });

      expect(mockPlugin.scheduleDailyNotification).toHaveBeenCalledWith(
        expect.objectContaining({
          url: 'https://api.example.com/personalized',
          time: '09:00',
          contentHandler,
        })
      );
    });
  });

  describe('Rate Limiting', () => {
    it('should enforce rate limits between notifications', async () => {
      const rateLimiter = {
        lastNotificationTime: 0,
        minInterval: 60000,
        async scheduleWithRateLimit(options: any) {
          const now = Date.now();
          if (now - this.lastNotificationTime < this.minInterval) {
            throw new Error('Rate limit exceeded');
          }
          await plugin.scheduleDailyNotification(options);
          this.lastNotificationTime = now;
        },
      };

      await rateLimiter.scheduleWithRateLimit({
        url: 'https://api.example.com/rate-limited',
        time: '09:00',
      });

      await expect(
        rateLimiter.scheduleWithRateLimit({
          url: 'https://api.example.com/rate-limited',
          time: '09:01',
        })
      ).rejects.toThrow('Rate limit exceeded');
    });

    it('should handle rate limit exceptions gracefully', async () => {
      const rateLimiter = {
        lastNotificationTime: 0,
        minInterval: 60000,
        async scheduleWithRateLimit(options: any) {
          try {
            const now = Date.now();
            if (now - this.lastNotificationTime < this.minInterval) {
              throw new Error('Rate limit exceeded');
            }
            await plugin.scheduleDailyNotification(options);
            this.lastNotificationTime = now;
          } catch (error) {
            console.error('Rate limit error:', error);
            throw error;
          }
        },
      };

      await expect(
        rateLimiter.scheduleWithRateLimit({
          url: 'https://api.example.com/rate-limited',
          time: '09:00',
        })
      ).resolves.not.toThrow();
    });
  });
});