import { cp, mkdir } from 'node:fs/promises'
import { fileURLToPath } from 'node:url'
import { type Plugin, defineConfig } from 'vite'

const copyNuxtOutput: Plugin = {
  name: 'copy-nuxt-output',
  async closeBundle() {
    const outputDir = fileURLToPath(new URL('../.output/public', import.meta.url))
    const targetDir = fileURLToPath(new URL('../.vite/renderer', import.meta.url))

    await mkdir(targetDir, { recursive: true })
    await cp(outputDir, targetDir, { recursive: true, force: true })
  },
}

export default defineConfig({
  publicDir: false,
  plugins: [copyNuxtOutput],
  build: {
    emptyOutDir: false,
    lib: {
      entry: 'electron/main.ts',
      formats: ['cjs'],
    },
    rollupOptions: {
      output: {
        entryFileNames: '[name].cjs',
      },
      external: [
        'electron',
      ],
    },
  },
})