import { defineConfig } from '@vben/vite-config';

const DEV_CONSOLE_PREFIX = '/console';
const DEV_API_INTERNAL_PREFIX = '/__dev_api_internal__';
const DEV_API_PROD_PREFIX = '/__dev_api_prod__';
const DEV_INTERNAL_CONSOLE_TARGET = 'http://127.0.0.1:2700';
const DEV_INTERNAL_GOLANG_TARGET = 'http://127.0.0.1:2900';
const DEV_PROD_TARGET = 'https://yumiadmin-acc.global-interaction.com';

function getBundledAssetFileName(assetInfo: {
  name?: string;
  names?: string[];
}) {
  const names = [
    assetInfo.name,
    ...(Array.isArray(assetInfo.names) ? assetInfo.names : []),
  ]
    .filter(Boolean)
    .join(',');

  if (names.endsWith('.css') || names.includes('.css,')) {
    return 'css/app.css';
  }

  return '[ext]/[name]-[hash].[ext]';
}

function addBuildTimestampToBundledAssets() {
  const buildTimestamp = Date.now().toString();

  return {
    name: 'chatapp-build-asset-timestamp',
    transformIndexHtml(html: string) {
      return html
        .replaceAll('/js/app.js"', `/js/app.js?v=${buildTimestamp}"`)
        .replaceAll('/css/app.css"', `/css/app.css?v=${buildTimestamp}"`);
    },
  };
}

function createPrefixRegExp(prefix: string) {
  return new RegExp(`^${prefix.replaceAll('/', '\\/')}`);
}

export default defineConfig(async () => {
  return {
    application: {},
    vite: {
      build: {
        cssCodeSplit: false,
        modulePreload: false,
        rolldownOptions: {
          output: {
            assetFileNames: getBundledAssetFileName,
            chunkFileNames: 'js/[name]-[hash].js',
            codeSplitting: false,
            entryFileNames: 'js/app.js',
          },
        },
      },
      plugins: [addBuildTimestampToBundledAssets()],
      server: {
        proxy: {
          [`${DEV_API_INTERNAL_PREFIX}/go`]: {
            changeOrigin: true,
            rewrite: (path) =>
              path.replace(createPrefixRegExp(`${DEV_API_INTERNAL_PREFIX}/go`), ''),
            target: DEV_INTERNAL_GOLANG_TARGET,
            ws: true,
          },
          [DEV_API_INTERNAL_PREFIX]: {
            changeOrigin: true,
            rewrite: (path) =>
              path.replace(createPrefixRegExp(DEV_API_INTERNAL_PREFIX), DEV_CONSOLE_PREFIX),
            target: DEV_INTERNAL_CONSOLE_TARGET,
            ws: true,
          },
          [`${DEV_API_PROD_PREFIX}/go`]: {
            changeOrigin: true,
            rewrite: (path) =>
              path.replace(
                createPrefixRegExp(`${DEV_API_PROD_PREFIX}/go`),
                `${DEV_CONSOLE_PREFIX}/go`,
              ),
            target: DEV_PROD_TARGET,
            ws: true,
          },
          [DEV_API_PROD_PREFIX]: {
            changeOrigin: true,
            rewrite: (path) =>
              path.replace(createPrefixRegExp(DEV_API_PROD_PREFIX), DEV_CONSOLE_PREFIX),
            target: DEV_PROD_TARGET,
            ws: true,
          },
          '/console/go': {
            changeOrigin: true,
            rewrite: (path) => path.replace(/^\/console\/go/, ''),
            target: 'http://127.0.0.1:2900',
            ws: true,
          },
          '/console': {
            changeOrigin: true,
            target: 'http://127.0.0.1:2700',
            ws: true,
          },
        },
      },
    },
  };
});