import {defineConfig, loadEnv} from 'vite'
import path from 'path'
import createVitePlugins from './vite/plugins'

// https://vitejs.dev/config/
export default defineConfig(({mode, command}) => {
  const env = loadEnv(mode, process.cwd())
  const {VITE_APP_ENV} = env
  const VITE_SERVICE_BASE_TITLE=env.VITE_SERVICE_BASE_TITLE
  const VITE_SERVER_URL=env.VITE_SERVER_URL
  return {
    base: env.VITE_APP_BASE_TITLE,
    plugins: createVitePlugins(env, command === 'build'),
    resolve: {
      // https://cn.vitejs.dev/config/#resolve-alias
      alias: {
        // 设置路径
        '~': path.resolve(__dirname, './'),
        // 设置别名
        '@': path.resolve(__dirname, './src')
      },
      // https://cn.vitejs.dev/config/#resolve-extensions
      extensions: ['.mjs', '.js', '.ts', '.jsx', '.tsx', '.json', '.vue']
    },
    // 打包配置
    build: {
      // https://vite.dev/config/build-options.html
      sourcemap: command === 'build' ? false : 'inline',
      outDir: 'dist',
      assetsDir: 'assets',
      chunkSizeWarningLimit: 2000,
      rollupOptions: {
        output: {
          chunkFileNames: 'static/js/[name]-[hash].js',
          entryFileNames: 'static/js/[name]-[hash].js',
          assetFileNames: 'static/[ext]/[name]-[hash].[ext]'
        }
      }
    },
    // vite 相关配置
    server: {
      port: env.VITE_APP_PORT,
      host: '0.0.0.0',
      open: true,
      proxy: {
        // https://cn.vitejs.dev/config/#server-proxy
        [VITE_SERVICE_BASE_TITLE]: {
          target: VITE_SERVER_URL,
          changeOrigin: true,
          rewrite: (path) => path.replace(new RegExp(`^${VITE_SERVICE_BASE_TITLE}`), ''),
        },
        // springdoc proxy（不含 context-path 的请求）
        '^/v3/api-docs/(.*)': {
          target: VITE_SERVER_URL,
          changeOrigin: true,
        },
        // Knife4j 透传：前端 base 已改为 /slgc-run，只能用精确匹配避免拦截前端资源
        '/slgc-run/doc.html': {
          target: 'http://127.0.0.1:8901',
          changeOrigin: true,
        },
        '/slgc-run/webjars/(.*)': {
          target: 'http://127.0.0.1:8901',
          changeOrigin: true,
        },
        '/slgc-run/swagger-resources': {
          target: 'http://127.0.0.1:8901',
          changeOrigin: true,
        },
        '/slgc-run/v3/api-docs': {
          target: 'http://127.0.0.1:8901',
          changeOrigin: true,
        },
        '/slgc-run/v3/api-docs/(.*)': {
          target: 'http://127.0.0.1:8901',
          changeOrigin: true,
        },
        // Knife4j UI 页面本身也通过后端代理（让 doc.html 可以同域访问）
        '/slgc-run/swagger-ui/(.*)': {
          target: 'http://127.0.0.1:8901',
          changeOrigin: true,
        }
      }
    },
    css: {
      postcss: {
        plugins: [
          {
            postcssPlugin: 'internal:charset-removal',
            AtRule: {
              charset: (atRule) => {
                if (atRule.name === 'charset') {
                  atRule.remove()
                }
              }
            }
          }
        ]
      }
    }
  }
})
