import { defineConfig } from 'vitest/config'
import react from '@vitejs/plugin-react'
import { fileURLToPath } from 'node:url'
import path from 'node:path'
import fs from 'node:fs'

const __dirname = path.dirname(fileURLToPath(import.meta.url))

const buildTime = new Date().getTime()

export default defineConfig({
  define: {
    __BUILD_TIME__: buildTime,
  },
  // Si existe el .env en la raíz del repo (desarrollo local), lo usamos. 
  // En Docker, las variables vienen por el sistema (ARG/ENV).
  envDir: fs.existsSync(path.resolve(__dirname, '../../.env')) ? '../../' : undefined,
  plugins: [
    react(),
    {
      name: 'generate-version',
      writeBundle() {
        const version = { buildTime };
        fs.writeFileSync(path.resolve(__dirname, 'dist/version.json'), JSON.stringify(version));
      }
    }
  ],
  test: {
    environment: 'jsdom',
    setupFiles: './src/test/setup.ts',
    restoreMocks: true,
    clearMocks: true,
  },
  resolve: {
    alias: {
      '@': path.resolve(__dirname, './src'),
    },
  },
  server: {
    port: 3000,
    proxy: {
      '/api': {
        target: 'http://127.0.0.1:8000',
        changeOrigin: true,
        ws: true,
        configure: (proxy, _options) => {
          proxy.on('error', (err, _req, _res) => {
            // Silenciar errores comunes de reconexión durante el desarrollo
            if (err.message.includes('ECONNREFUSED') || err.message.includes('ECONNABORTED')) {
              return;
            }
            console.log('proxy error', err);
          });
          proxy.on('proxyReq', (_proxyReq, _req, _res) => {
            // Loguear solo si es necesario para debug
          });
          proxy.on('proxyRes', (_proxyRes, _req, _res) => {
            // Loguear solo si es necesario para debug
          });
        },
      },
    },
  },
})