import { resolve } from 'path'
import { defineConfig, externalizeDepsPlugin } from 'electron-vite'
import react from '@vitejs/plugin-react'

/** Windows 上原生 fs.watch 对部分盘符/杀软常漏事件，用轮询保证 HMR */
const watchOptions =
  process.platform === 'win32'
    ? {
        usePolling: true,
        interval: 150,
        awaitWriteFinish: { stabilityThreshold: 80, pollInterval: 40 }
      }
    : undefined

export default defineConfig({
  main: {
    plugins: [externalizeDepsPlugin()],
    resolve: {
      alias: {
        '@main': resolve('src/main'),
        '@shared': resolve('src/shared')
      }
    }
  },
  preload: {
    plugins: [externalizeDepsPlugin()],
    resolve: {
      alias: {
        '@shared': resolve('src/shared')
      }
    }
  },
  renderer: {
    // 绑定 IPv4，避免仅监听 ::1 导致 Electron 用 localhost(127.0.0.1) 连接被拒
    // 注意：不要再写 hmr.port=5173，会另起 WS 占口导致热更新假连上、不推送
    server: {
      host: '127.0.0.1',
      port: 5173,
      strictPort: true,
      ...(watchOptions ? { watch: watchOptions } : {}),
      hmr: {
        protocol: 'ws',
        host: '127.0.0.1'
      }
    },
    resolve: {
      alias: {
        '@renderer': resolve('src/renderer/src'),
        '@shared': resolve('src/shared')
      }
    },
    plugins: [react()]
  }
})