/**
 * Campaign Routes Tests
 * 
 * Tests for `/api/plugins/voting/campaigns` endpoints
 * Uses REAL PostgreSQL database - NO mocks
 */

const request = require('supertest');
const express = require('express');
const campaignsRouter = require('../../routes/campaigns');
const VotingTestHelper = require('../helpers/testHelper');

describe('Campaign Routes', () => {
  let app;
  let testHelper;
  let testSite;
  let testUserId;

  beforeAll(async () => {
    // Create Express app for testing
    app = express();
    app.use(express.json());
    app.use('/api/plugins/voting', campaignsRouter);

    // Initialize test helper
    testHelper = new VotingTestHelper();

    // Create test data
    testSite = await testHelper.createTestSite();
    const testUser = await testHelper.createTestUser(testSite.id);
    testUserId = testUser.id;
  });

  afterAll(async () => {
    // Cleanup handled by global schema manager
  });

  describe('GET /api/plugins/voting/campaigns', () => {
    it('should return all campaigns for a site', async () => {
      // Create test campaigns
      const form1 = await testHelper.createTestForm(testSite.id);
      const form2 = await testHelper.createTestForm(testSite.id);
      
      await testHelper.createTestCampaign(testSite.id, form1.id, 'board_election');
      await testHelper.createTestCampaign(testSite.id, form2.id, 'decision');

      const response = await request(app)
        .get('/api/plugins/voting/campaigns')
        .query({ site_id: testSite.id });

      expect(response.status).toBe(200);
      expect(response.body.success).toBe(true);
      expect(response.body.data).toBeInstanceOf(Array);
      expect(response.body.data.length).toBeGreaterThanOrEqual(2);

      // Verify campaign structure
      const campaign = response.body.data.find(c => c.campaign_type === 'board_election');
      expect(campaign).toBeDefined();
      expect(campaign.title).toBeDefined();
      expect(campaign.status).toBeDefined();
    });

    it('should return empty array if no campaigns exist', async () => {
      // Create a different site with no campaigns
      const anotherSite = await testHelper.createTestSite();

      const response = await request(app)
        .get('/api/plugins/voting/campaigns')
        .query({ site_id: anotherSite.id });

      expect(response.status).toBe(200);
      expect(response.body.success).toBe(true);
      expect(response.body.data).toEqual([]);
    });
  });

  describe('GET /api/plugins/voting/campaigns/:id', () => {
    let testCampaign;

    beforeEach(async () => {
      // Create a test campaign
      const form = await testHelper.createTestForm(testSite.id);
      testCampaign = await testHelper.createTestCampaign(testSite.id, form.id);
    });

    it('should return campaign details by ID', async () => {
      const response = await request(app)
        .get(`/api/plugins/voting/campaigns/${testCampaign.id}`)
        .query({ site_id: testSite.id });

      expect(response.status).toBe(200);
      expect(response.body.success).toBe(true);
      expect(response.body.data).toBeDefined();
      expect(response.body.data.id).toBe(testCampaign.id);
      expect(response.body.data.title).toBe(testCampaign.title);
    });

    it('should return 404 if campaign not found', async () => {
      const response = await request(app)
        .get('/api/plugins/voting/campaigns/00000000-0000-0000-0000-000000000000');

      expect(response.status).toBe(404);
      expect(response.body.success).toBe(false);
      expect(response.body.error).toBe('Campaign not found');
    });
  });

  describe('POST /api/plugins/voting/campaigns', () => {
    it('should create a new campaign', async () => {
      const form = await testHelper.createTestForm(testSite.id);
      
      const campaignData = {
        site_id: testSite.id,
        title: 'New Board Election',
        description: 'Annual elections for board members',
        campaign_type: 'board_election',
        form_id: form.id,
        status: 'draft',
        overall_sharing_results: 'detailed',
        public_access: 'restrict',
        start_date: new Date().toISOString(),
        end_date: new Date(Date.now() + 7 * 24 * 60 * 60 * 1000).toISOString(),
        recipient_type: 'all_owners',
        send_email: true,
        send_text: false,
        send_owner_app: true,
        created_by: testUserId
      };

      const response = await request(app)
        .post('/api/plugins/voting/campaigns')
        .send(campaignData);

      expect(response.status).toBe(201);
      expect(response.body.success).toBe(true);
      expect(response.body.data).toBeDefined();
      expect(response.body.data.title).toBe('New Board Election');
      expect(response.body.data.campaign_type).toBe('board_election');
    });
  });

  describe('PUT /api/plugins/voting/campaigns/:id', () => {
    let testCampaign;

    beforeEach(async () => {
      const form = await testHelper.createTestForm(testSite.id);
      testCampaign = await testHelper.createTestCampaign(testSite.id, form.id);
    });

    it('should update campaign details', async () => {
      const updateData = {
        title: 'Updated Campaign Title',
        status: 'active'
      };

      const response = await request(app)
        .put(`/api/plugins/voting/campaigns/${testCampaign.id}`)
        .send(updateData);

      expect(response.status).toBe(200);
      expect(response.body.success).toBe(true);
      expect(response.body.data.title).toBe('Updated Campaign Title');
      expect(response.body.data.status).toBe('active');
    });

    it('should return 404 if campaign not found', async () => {
      const response = await request(app)
        .put('/api/plugins/voting/campaigns/00000000-0000-0000-0000-000000000000')
        .send({ title: 'Updated' });

      expect(response.status).toBe(404);
      expect(response.body.success).toBe(false);
    });
  });

  describe('DELETE /api/plugins/voting/campaigns/:id', () => {
    let testCampaign;

    beforeEach(async () => {
      const form = await testHelper.createTestForm(testSite.id);
      testCampaign = await testHelper.createTestCampaign(testSite.id, form.id);
    });

    it('should delete a campaign', async () => {
      const response = await request(app)
        .delete(`/api/plugins/voting/campaigns/${testCampaign.id}`);

      expect(response.status).toBe(200);
      expect(response.body.success).toBe(true);
      expect(response.body.message).toBe('Campaign deleted successfully');

      // Verify deletion
      const getResponse = await request(app)
        .get(`/api/plugins/voting/campaigns/${testCampaign.id}`);

      expect(getResponse.status).toBe(404);
    });

    it('should return 404 if campaign not found', async () => {
      const response = await request(app)
        .delete('/api/plugins/voting/campaigns/00000000-0000-0000-0000-000000000000');

      expect(response.status).toBe(404);
      expect(response.body.success).toBe(false);
    });
  });
});