import { describe, it, expect } from 'vitest';
import { readFileSync, existsSync } from 'fs';
import { resolve } from 'path';

describe('Environment Example Files', () => {
  describe('Root .env.example', () => {
    const rootEnvPath = resolve(__dirname, '..', '.env.example');

    it('should exist and contain DATABASE_URL', () => {
      expect(existsSync(rootEnvPath)).toBe(true);
      const content = readFileSync(rootEnvPath, 'utf-8');
      expect(content).toContain('DATABASE_URL');
    });

    it('should contain IGDB_CLIENT_ID and IGDB_CLIENT_SECRET', () => {
      const content = readFileSync(rootEnvPath, 'utf-8');
      expect(content).toContain('IGDB_CLIENT_ID');
      expect(content).toContain('IGDB_CLIENT_SECRET');
    });

    it('should contain RAWG_API_KEY', () => {
      const content = readFileSync(rootEnvPath, 'utf-8');
      expect(content).toContain('RAWG_API_KEY');
    });

    it('should contain THEGAMESDB_API_KEY', () => {
      const content = readFileSync(rootEnvPath, 'utf-8');
      expect(content).toContain('THEGAMESDB_API_KEY');
    });

    it('should contain NODE_ENV', () => {
      const content = readFileSync(rootEnvPath, 'utf-8');
      expect(content).toContain('NODE_ENV');
    });

    it('should contain PORT and LOG_LEVEL', () => {
      const content = readFileSync(rootEnvPath, 'utf-8');
      expect(content).toContain('PORT');
      expect(content).toContain('LOG_LEVEL');
    });
  });

  describe('Backend .env.example', () => {
    const backendEnvPath = resolve(__dirname, '..', 'backend', '.env.example');

    it('should exist', () => {
      expect(existsSync(backendEnvPath)).toBe(true);
    });

    it('should contain DATABASE_URL', () => {
      const content = readFileSync(backendEnvPath, 'utf-8');
      expect(content).toContain('DATABASE_URL');
    });

    it('should contain all API keys', () => {
      const content = readFileSync(backendEnvPath, 'utf-8');
      expect(content).toContain('IGDB_CLIENT_ID');
      expect(content).toContain('IGDB_CLIENT_SECRET');
      expect(content).toContain('RAWG_API_KEY');
      expect(content).toContain('THEGAMESDB_API_KEY');
    });
  });

  describe('Frontend .env.example', () => {
    const frontendEnvPath = resolve(__dirname, '..', 'frontend', '.env.example');

    it('should exist', () => {
      expect(existsSync(frontendEnvPath)).toBe(true);
    });

    it('should contain VITE_API_URL', () => {
      const content = readFileSync(frontendEnvPath, 'utf-8');
      expect(content).toContain('VITE_API_URL');
    });

    it('should contain VITE_APP_NAME', () => {
      const content = readFileSync(frontendEnvPath, 'utf-8');
      expect(content).toContain('VITE_APP_NAME');
    });
  });

  describe('Git Ignore Configuration', () => {
    it('should ignore .env files', () => {
      const gitignorePath = resolve(__dirname, '..', '.gitignore');
      const content = readFileSync(gitignorePath, 'utf-8');
      expect(content).toContain('.env');
    });
  });
});