const path = require('path')
//引入插件
const {defineConfig,build} = require('vite')
const vue = require('@vitejs/plugin-vue')
const vueJsx = require('@vitejs/plugin-vue-jsx')
const fsExtra = require('fs-extra')
const fs = require('fs')

//打包入口文件夹
const entryDir = path.resolve(__dirname,'../packages')
//出口文件夹
const outDir = path.resolve(__dirname,'../lib')

//vite的基础配置
const baseConfig = defineConfig({
    configFile: false,
    publicDir: false,
    plugins:[vue(),vueJsx()]
})

//rollup配置
const rollupOptions = {
    external:['vue','vue-router'],
    output:{
        global:{
            vue:'Vue'
        }
    }
}

//全量打包构建
const buildAll = async ()=>{
    await build({
        ...baseConfig,
        build:{
            rollupOptions,
            lib:{
                entry:path.resolve(entryDir,'index.ts'),
                name:'qt-components',
                fileName:'qt-components',
                formats:['es','umd'],

            },
            outDir
        }
    })
}

//单组件的打包构建,name:组件名称
const buildSingle = async(name)=>{
    await build({
        ...baseConfig,
        build:{
            rollupOptions,
            lib:{
                entry: path.resolve(entryDir,name),
                name:'index',
                fileName:'index',
                formats:['es','umd']
            },
            outDir:path.resolve(outDir,name)
        }
    })
}

//每个组件生成package.json
const createPackageJson = (name)=>{
    const fileStr = `
        {
            "name": "${name}",
            "main": "index.umd.js",
            "module": "index.es.js",
            "style": "style.css"
        }
    `
    //输出
    fsExtra.outputFile(
        path.resolve(outDir,`${name}/package.json`),
        fileStr,
        'utf-8'
    )
}


//打包成库
const buildLib = async ()=>{
    await buildAll()

    //获取组件名称组成的数组
    const components = fs.readdirSync(entryDir).filter(name=>{
        const componentDir = path.resolve(entryDir,name)
        const isDir = fs.lstatSync(componentDir).isDirectory()
        return isDir&&fs.readdirSync(componentDir).includes('index.ts')
    })

    //循环构建
    for(const name of components){
        await buildSingle(name)
        createPackageJson(name)
    }
}

buildLib()