import { fileURLToPath, URL } from 'node:url'

import vue from '@vitejs/plugin-vue'
import { defineConfig, loadEnv } from 'vite'

function resolveBuildId() {
  const configured = process.env.BUILD_ID?.trim().replace(/[^a-zA-Z0-9_-]/g, '')
  return configured || Date.now().toString(36)
}

// https://vite.dev/config/
export default defineConfig(({ mode }) => {
  // 以 vite.config 所在目录为基准读取 .env，避免「在仓库根目录跑 dev:clinical」
  // 时 cwd 不是 clinical-web 而读不到 .env.local。
  const configDir = fileURLToPath(new URL('.', import.meta.url))
  const env = loadEnv(mode, configDir, '')
  const buildId = resolveBuildId()
  const apiProxyTarget =
    process.env.VITE_API_PROXY_TARGET?.trim() ||
    env.VITE_API_PROXY_TARGET?.trim() ||
    'http://127.0.0.1:18080'

  // 启动日志：直接告诉你 /api 到底被代理到了哪里，排查「没走真实接口」时用。
  // 显示 18080 说明 .env.local 没被读到；显示 ipad.shenynet.com 才是真实接口生效。
  console.log(`[vite] API 代理目标: ${apiProxyTarget}`)

  return {
    plugins: [vue()],
    build: {
      rollupOptions: {
        output: {
          entryFileNames: `assets/[name]-${buildId}-[hash].js`,
          chunkFileNames: `assets/[name]-${buildId}-[hash].js`,
          assetFileNames: `assets/[name]-${buildId}-[hash][extname]`,
        },
      },
    },
    server: {
      // The public HTTPS virtual host terminates TLS in Nginx and proxies to this dev server.
      // Permit only that configured hostname; keep Vite's DNS-rebinding protection enabled.
      allowedHosts: ['fn.xianyi.de'],
      proxy: {
        '/api': {
          target: apiProxyTarget,
          changeOrigin: true,
          secure: true,
        },
      },
    },
    resolve: {
      alias: {
        '@': fileURLToPath(new URL('./src', import.meta.url)),
      },
    },
  }
})