const request = require('supertest');
const express = require('express');

// Mock CouchDB service before importing routes
jest.mock('../../services/couchdbService', () => ({
  initialize: jest.fn().mockResolvedValue(true),
  create: jest.fn(),
  getById: jest.fn(),
  find: jest.fn(),
  createDocument: jest.fn(),
  updateDocument: jest.fn(),
  deleteDocument: jest.fn(),
  findByType: jest.fn(),
  findUserById: jest.fn(),
  update: jest.fn(),
}));

const streetRoutes = require('../../routes/streets');
const { createTestUser, createTestStreet } = require('../utils/testHelpers');
const couchdbService = require('../../services/couchdbService');

const app = express();
app.use(express.json());
app.use('/api/streets', streetRoutes);

describe('Street Routes', () => {
  beforeEach(() => {
    jest.clearAllMocks();
  });
  describe('GET /api/streets', () => {
    it('should get all streets', async () => {
      const { user } = await createTestUser();
      await createTestStreet(user.id, { name: 'Main Street' });
      await createTestStreet(user.id, { name: 'Oak Avenue' });

      const response = await request(app)
        .get('/api/streets')
        .expect(200);

      expect(Array.isArray(response.body)).toBe(true);
      expect(response.body.length).toBe(2);
      expect(response.body[0]).toHaveProperty('name');
      expect(response.body[0]).toHaveProperty('location');
    });

    it('should return empty array when no streets exist', async () => {
      const response = await request(app)
        .get('/api/streets')
        .expect(200);

      expect(Array.isArray(response.body)).toBe(true);
      expect(response.body.length).toBe(0);
    });
  });

  describe('GET /api/streets/:id', () => {
    it('should get a single street by id', async () => {
      const { user } = await createTestUser();
      const street = await createTestStreet(user.id, { name: 'Elm Street' });

      const response = await request(app)
        .get(`/api/streets/${street.id}`)
        .expect(200);

      expect(response.body).toHaveProperty('_id', street.id);
      expect(response.body).toHaveProperty('name', 'Elm Street');
    });

    it('should return 404 for non-existent street', async () => {
      const fakeId = '507f1f77bcf86cd799439011';

      const response = await request(app)
        .get(`/api/streets/${fakeId}`)
        .expect(404);

      expect(response.body).toHaveProperty('msg', 'Street not found');
    });

    it('should handle invalid street ID format', async () => {
      const response = await request(app)
        .get('/api/streets/invalid-id')
        .expect(500);

      expect(response.body).toBeDefined();
    });
  });

  describe('POST /api/streets', () => {
    it('should create a new street with authentication', async () => {
      const { token } = await createTestUser();

      const streetData = {
        name: 'Broadway',
        location: {
          type: 'Point',
          coordinates: [-73.989308, 40.756432]
        }
      };

      const response = await request(app)
        .post('/api/streets')
        .set('x-auth-token', token)
        .send(streetData)
        .expect(200);

      expect(response.body).toHaveProperty('name', streetData.name);
      expect(response.body).toHaveProperty('location');
      expect(response.body.location).toHaveProperty('coordinates');
    });

    it('should not create street without authentication', async () => {
      const streetData = {
        name: 'Broadway',
        location: {
          type: 'Point',
          coordinates: [-73.989308, 40.756432]
        }
      };

      const response = await request(app)
        .post('/api/streets')
        .send(streetData)
        .expect(401);

      expect(response.body).toHaveProperty('msg', 'No token, authorization denied');
    });
  });

  describe('PUT /api/streets/adopt/:id', () => {
    it('should adopt an available street', async () => {
      const { user, token } = await createTestUser();
      const street = await createTestStreet(user.id, {
        status: 'available',
        adoptedBy: null
      });

      const response = await request(app)
        .put(`/api/streets/adopt/${street.id}`)
        .set('x-auth-token', token)
        .expect(200);

      expect(response.body).toHaveProperty('status', 'adopted');
      expect(response.body).toHaveProperty('adoptedBy', user.id);
    });

    it('should not adopt an already adopted street', async () => {
      const { user, token } = await createTestUser();
      const street = await createTestStreet(user.id, {
        status: 'adopted',
        adoptedBy: user.id
      });

      const response = await request(app)
        .put(`/api/streets/adopt/${street.id}`)
        .set('x-auth-token', token)
        .expect(400);

      expect(response.body).toHaveProperty('msg', 'Street already adopted');
    });

    it('should return 404 for non-existent street', async () => {
      const { token } = await createTestUser();
      const fakeId = '507f1f77bcf86cd799439011';

      const response = await request(app)
        .put(`/api/streets/adopt/${fakeId}`)
        .set('x-auth-token', token)
        .expect(404);

      expect(response.body).toHaveProperty('msg', 'Street not found');
    });

    it('should not adopt street without authentication', async () => {
      const { user } = await createTestUser();
      const street = await createTestStreet(user.id);

      const response = await request(app)
        .put(`/api/streets/adopt/${street.id}`)
        .expect(401);

      expect(response.body).toHaveProperty('msg', 'No token, authorization denied');
    });
  });
});