const { exec } = require('child_process');
const fs = require('fs')
const path = require('path')


const pjson = require('./src/package.json')
const VERSION=pjson.version
console.log(`Building docs for version ${VERSION}`)

const createDirIfNotExists = (dir) => {
    if (!fs.existsSync(dir)){
        fs.mkdirSync(dir)
    }
}


function copyFolderSync(from, to) {
   if(fs.existsSync(to)){
       const stat = fs.lstatSync(to)
       if (stat.isDirectory()){
           fs.rmSync(to, { recursive: true })
       }
       else{
           fs.rmSync(to)
       }
   }
    fs.mkdirSync(to);
    fs.readdirSync(from).forEach(element => {
        if (fs.lstatSync(path.join(from, element)).isFile()) {
            fs.copyFileSync(path.join(from, element), path.join(to, element))
        } else {
            copyFolderSync(path.join(from, element), path.join(to, element))
        }
    });
}

exec('asciidoctor -v', (err,stdout)=>{
    if (err){
        console.log('Please install asciidoctor')
        console.log('https://asciidoctor.org/docs/install-toolchain/')
        process.exit(1)
    }
});


createDirIfNotExists('./out')
createDirIfNotExists('./out/doc')
createDirIfNotExists('./out/doc/api')



exec(`asciidoctor -D out/doc doc/index.adoc */**.adoc -a VERSION=${VERSION}`)
exec(`asciidoctor -D out/doc/api  ./doc/api/*.adoc -a VERSION=${VERSION}`)

copyFolderSync('./doc/easysync', './out/doc/easysync')
copyFolderSync('./doc/assets', './out/doc/assets')
copyFolderSync('./doc/easysync', './out/doc/easysync')
copyFolderSync('./doc/images', './out/doc/images')