const fs = require('fs-extra')
const path = require('path')
const Rsync = require('rsync')

const isProduction = process.env.NODE_ENV === 'PRODUCTION'

const CACHE_PATH = isProduction
    ? path.join('/', 'opt', 'build', 'cache', 'nuxt_build') // Netlify cache path
    : path.resolve(__dirname, '.nuxt_build')

const BUILD_PATH = path.resolve(__dirname, 'dist')

const rsync = new Rsync()
    .shell('ssh')
    .flags('azq')
    .source(BUILD_PATH + '/')
    .destination(CACHE_PATH)

async function cacheFinalFiles() {
    try {
        await fs.copy(BUILD_PATH, CACHE_PATH)
        await fs.move(path.resolve(__dirname, '.nuxt'), path.join(CACHE_PATH, '.nuxt'))
    } catch (e) {
        console.log(e)
    }
}

async function cacheAndCopy() {
    try {
        await fs.ensureDir(CACHE_PATH)
        rsync.execute(async function(error, code, cmd) {
            if (!error) {
                await fs.copy(CACHE_PATH, BUILD_PATH)
                await cacheFinalFiles()
                console.log('Please tell me you are well cached.')
            } else console.error('error')
        })
    } catch (err) {
        // handle error
        console.log('cache and copy ')
        console.log(err)
    }
}

async function putCacheBack() {

}

module.exports = {
    cacheAndCopy
}