const ejs = require('ejs')
const path = require('path')
const fs = require('fs')

const compiler = (template,data) => {
  const templatePath = path.resolve(__dirname,`./${template}`)

  return new Promise((resolve,reject)=>{
    ejs.renderFile(templatePath,{data},(err,result)=>{
      if(err){
        console.log(err);
        reject(err)
        return
      }
      resolve(result)
    })
  })
}

const writeFile = (path,content) =>{
  return fs.promises.writeFile(path,content)
}

const resolveName = name => {
  if (/(-|_)/g.test(name)) {
    let splitName = name.split(/(-|_)/).filter(i => !/(-|_)/.test(i)).map(i => i.charAt(0).toUpperCase() + i.slice(1))
    return splitName.join('')
  } else {
    return (name.charAt(0).toUpperCase() + name.slice(1))
  }
}
const ensureDirectoryExistence = (filePath) => {
  if (!fs.existsSync(filePath)) {
    fs.mkdirSync(filePath);
  }
}
module.exports = {
  compiler,writeFile,resolveName,ensureDirectoryExistence
}