import path from 'path'
import fsExtra from 'fs-extra'
import dotenv from 'dotenv'
const { existsSync, remove, copy } = fsExtra
const cwd = process.cwd()
dotenv.config()

const isSSR = Boolean(process.env.NUXT_SSR)
//打包发布路径,可能会覆盖重要文件,请谨慎改动
const releaseRelativePath = '../public/pc'
const distRelativePath = isSSR ? '' : './.output/public'
const distPath = path.resolve(cwd, distRelativePath)
const distSSRFilter = ['.output', 'public', 'static', 'package.json']
const distNotSSRFilter = ['']
const distFilter = joinPath(isSSR ? distSSRFilter : distNotSSRFilter)

function joinPath(target, res = []) {
 target.forEach((src) => {
 res.push(path.join(distPath, src))
 })
 return res
}

const releasePath = path.resolve(cwd, releaseRelativePath)

async function build() {
 if (existsSync(releasePath)) {
 await remove(releasePath)
 }
 console.log(`文件正在复制 ==> ${releaseRelativePath}`)
 try {
 await copyFile(distPath, releasePath)
 } catch (error) {
 console.log(`\n ${error}`)
 }
 console.log(`文件已复制 ==> ${releaseRelativePath}`)
}

function copyFile(sourceDir, targetDir) {
 return new Promise((resolve, reject) => {
 copy(
 sourceDir,
 targetDir,
 {
 filter(src) {
 if (src === distPath) return true
 return distFilter.some((item) => src.includes(item))
 }
 },
 (err) => {
 if (err) {
 reject(err)
 } else {
 resolve()
 }
 }
 )
 })
}

build()