import { defineConfig, loadEnv } from 'vite'
import { resolve } from 'path'

import { wrapperEnv } from './build/utils'
import { createVitePlugins } from './build/vite/plugin'
import { createProxy } from './build/vite/proxy'
import { OUTPUT_DIR } from './build/constant'

function pathResolve(dir) {
  return resolve(__dirname, '.', dir)
}

export default defineConfig(({ command, mode }) => {
  const root = process.cwd()
  const isBuild = command === 'build'
  const env = loadEnv(mode, process.cwd())
  const viteEnv = wrapperEnv(env)
  const { VITE_PORT, VITE_PUBLIC_PATH, VITE_PROXY } = viteEnv
  return {
    root,
    base: VITE_PUBLIC_PATH || '/',
    plugins: createVitePlugins(viteEnv, isBuild),
    lintOnSave: false,
    resolve: {
      alias: {
        '@': pathResolve('src')
      }
    },

    css: {
      preprocessorOptions: {
        scss: {
          additionalData: `@import '@/styles/variables.scss';`
        }
      }
    },
    server: {
      host: '0.0.0.0',
      port: VITE_PORT,
      proxy: createProxy(VITE_PROXY)
    },
    build: {
      target: 'es2015',
      outDir: OUTPUT_DIR,
      brotliSize: false,
      chunkSizeWarningLimit: 2000
    }
  }
})