import Npm from './NpmManager'
import Installer from './Installer'
import Path from 'path'

class Cli{

	async static install (/* object */ options){

		core.VW.Console.writeLine("Iniciando proceso de instalación")

		var files=0, yet, npm, lasti=0, i
		npm= Npm.load( (ev)=>{

			if(ev.firsttime){
				vw.log("Preparando npm para el primer uso ...")
				vw.log("")
			}

			else{

				if(!yet){
					vw.info("Descomprimiendo npm")
					yet=true
				}
				files++
				i= ev.percent|0
				if(i>=lasti+10){
					lasti=i
					vw.warning("Procesado: ", files.toString().padLeft(5,' '), " archivos, ",  ev.percent.toFixed(4), "%")
				}

			}

		})

		var names= options.name
		if(!(names instanceof Array))
			names=[names]

		if(names.length==0)
			names=[undefined]

		//vw.warning(names)
		for(var name of names){

			vw.log("")
			vw.log(`Instalando ${name||""}`)
			var result= await Npm.install(options, name)


			var installed=result.installed[result.installed.length-1]
			if(name=== undefined && !installed)
				installed={}
			if(installed){
				if(name===undefined){
					installed.path= process.cwd() // Directorio actual ...
					try{
						name= require(Path.join(installed.path, "package.json")).name
					}catch(e){}
				}


				await Installer.getInstaller().install(installed.path, options)
				vw.info(`Instalado ${name||""} correctamente`)
			}
		}



	}

}

export default Cli