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

export default defineConfig({
  main: {
    // pi SDK 为纯 ESM 包，主进程输出 ESM（Electron ≥28 支持）
    plugins: [externalizeDepsPlugin()],
    build: {
      rollupOptions: {
        // electron 保持内置模块导入；pi 全家桶运行时从 node_modules 以 ESM 加载，
        // 同时避开 pi 实验性导出引用的未声明子包问题
        external: ['electron', /^@earendil-works\//],
        output: {
          format: 'es',
          entryFileNames: '[name].mjs'
        }
      }
    },
    resolve: {
      alias: {
        '@main': resolve(__dirname, 'src/main'),
        '@shared': resolve(__dirname, 'src/shared')
      }
    }
  },
  preload: {
    plugins: [externalizeDepsPlugin()],
    build: {
      rollupOptions: {
        // electron 解析为内置模块，避免把 npm 包打进 preload
        external: ['electron'],
        output: {
          format: 'cjs',
          // "type":"module" 下 .js 会被当 ESM 加载，preload 必须用 .cjs
          entryFileNames: '[name].cjs'
        }
      }
    },
    resolve: {
      alias: {
        '@shared': resolve(__dirname, 'src/shared')
      }
    }
  },
  renderer: {
    plugins: [react(), tailwindcss()],
    resolve: {
      alias: {
        '@renderer': resolve(__dirname, 'src/renderer/src'),
        '@shared': resolve(__dirname, 'src/shared')
      }
    }
  }
})