import { defineConfig, loadEnv } from 'vite'
import uni from '@dcloudio/vite-plugin-uni'

function loggedProxy(name, options) {
  return {
    ...options,
    configure(proxy) {
      proxy.on('proxyReq', (proxyRequest, request) => {
        // The browser talks only to this same-origin Vite server. Forwarding its
        // localhost Origin/Referer would make the upstream gateway run CORS
        // validation again and reject the proxied request before Auth handles it.
        proxyRequest.removeHeader('origin')
        proxyRequest.removeHeader('referer')
        console.info(`[Overseas PDA H5 proxy] ${name}`, `${request.method} ${request.url}`, '->', `${options.target}${proxyRequest.path}`)
      })
      proxy.on('proxyRes', (response, request) => {
        console.info(`[Overseas PDA H5 proxy] ${name} response`, `${request.method} ${request.url}`, response.statusCode)
      })
      proxy.on('error', (error, request) => {
        console.error(`[Overseas PDA H5 proxy] ${name} error`, `${request.method} ${request.url}`, error.message)
      })
    }
  }
}

export default defineConfig(({ mode }) => {
  const env = loadEnv(mode, process.cwd(), '')
  const domesticTarget = env.API_PROXY_TARGET || 'http://127.0.0.1:9000'
  const overseasTarget = env.OVERSEAS_API_PROXY_TARGET || 'http://127.0.0.1:9300'
  const preserveOverseasPrefix = env.OVERSEAS_API_PROXY_PRESERVE_PREFIX === 'true'
  return {
  plugins: [uni()],
  define: {
    __VUE_I18N_FULL_INSTALL__: true,
    __VUE_I18N_LEGACY_API__: false,
    __VUE_I18N_PROD_DEVTOOLS__: false,
    __INTLIFY_PROD_DEVTOOLS__: false
  },
  server: {
    proxy: {
      '/api': loggedProxy('auth', { target: domesticTarget, changeOrigin: true }),
      '/overseas-api': loggedProxy('overseas', {
        target: overseasTarget,
        changeOrigin: true,
        rewrite: (path) => preserveOverseasPrefix ? path : path.replace(/^\/overseas-api/, '/api')
      })
    }
  },
  css: {
    preprocessorOptions: {
      scss: {
        // DCloud uni-scss still uses APIs deprecated by the bundled Dart Sass.
        // Keep real Sass warnings/errors visible while hiding these known notices.
        silenceDeprecations: [
          'legacy-js-api',
          'import',
          'global-builtin',
          'color-functions',
          'if-function'
        ]
      }
    }
  }
  }
})