/**
 * Arr Route Tests
 *
 * Tests Smart Arr Connect endpoints (detect, connect, credentials, test-connection)
 */

const request = require('supertest');
const fs = require('fs');
const path = require('path');
const os = require('os');

const testServicesFile = path.join(os.tmpdir(), `arr-services-${Date.now()}.json`);
const testConfigFile = path.join(os.tmpdir(), `arr-config-${Date.now()}.json`);

process.env.SERVICES_FILE = testServicesFile;
process.env.CONFIG_FILE = testConfigFile;
process.env.ENABLE_HEALTH_CHECKER = 'false';
process.env.NODE_ENV = 'test';

fs.writeFileSync(testServicesFile, '[]', 'utf8');
fs.writeFileSync(testConfigFile, '{}', 'utf8');

const app = require('../server');

describe('Arr Routes', () => {
  afterAll(() => {
    try { fs.unlinkSync(testServicesFile); } catch (e) { /* ignore */ }
    try { fs.unlinkSync(testConfigFile); } catch (e) { /* ignore */ }
  });

  describe('GET /api/arr/smart-detect', () => {
    test('should return detection results', async () => {
      const res = await request(app).get('/api/arr/smart-detect');

      // Might return empty results if no Docker containers running
      expect(res.statusCode).toBe(200);
      expect(res.body.success).toBe(true);
      expect(res.body).toHaveProperty('services');
      expect(typeof res.body.services).toBe('object');
    });
  });

  describe('POST /api/arr/smart-connect', () => {
    test('should return empty results for empty request body', async () => {
      const res = await request(app)
        .post('/api/arr/smart-connect')
        .send({});

      // With no services provided, the endpoint completes with empty steps
      expect(res.statusCode).toBe(200);
      expect(res.body).toHaveProperty('steps');
    }, 15000);
  });

  describe('POST /api/arr/test-connection', () => {
    test('should fail when missing url or apiKey', async () => {
      const res = await request(app)
        .post('/api/arr/test-connection')
        .send({ service: 'radarr' });

      // Validation error returns 400
      expect(res.statusCode).toBe(400);
      expect(res.body.success).toBe(false);
      expect(res.body.error).toContain('required');
    });

    test('should reject invalid URL format', async () => {
      const res = await request(app)
        .post('/api/arr/test-connection')
        .send({ url: 'not-a-url', service: 'radarr', apiKey: 'test-api-key-12345' });

      expect(res.statusCode).toBe(400);
    });
  });

  describe('GET /api/arr/credentials', () => {
    test('should return credentials list', async () => {
      const res = await request(app).get('/api/arr/credentials');

      expect(res.statusCode).toBe(200);
      expect(res.body.success).toBe(true);
      expect(res.body).toHaveProperty('credentials');
    });
  });

  describe('POST /api/arr/credentials', () => {
    test('should reject missing service field', async () => {
      const res = await request(app)
        .post('/api/arr/credentials')
        .send({ apiKey: 'test-key' });

      expect(res.statusCode).toBe(400);
    });

    test('should reject missing apiKey field', async () => {
      const res = await request(app)
        .post('/api/arr/credentials')
        .send({ service: 'radarr' });

      expect(res.statusCode).toBe(400);
    });

    test('should store valid credentials', async () => {
      const res = await request(app)
        .post('/api/arr/credentials')
        .send({ service: 'radarr', apiKey: 'test-api-key-12345' });

      expect(res.statusCode).toBe(200);
      expect(res.body.success).toBe(true);
    });
  });

  describe('DELETE /api/arr/credentials/:service', () => {
    test('should handle deleting non-existent credentials', async () => {
      const res = await request(app).delete('/api/arr/credentials/nonexistent');

      // Should succeed (idempotent) or return 404
      expect([200, 404]).toContain(res.statusCode);
    });
  });
});