// download the ipfs binaries before building the electron clients

import fs from 'fs-extra'
import ProgressBar from 'progress'
import https from 'https'
import decompress from 'decompress'
import path from 'path'
import {fileURLToPath} from 'url'
const ipfsClientsPath = path.join(path.dirname(fileURLToPath(import.meta.url)), '..', 'bin')
const ipfsClientWindowsPath = path.join(ipfsClientsPath, 'win')
const ipfsClientMacPath = path.join(ipfsClientsPath, 'mac')
const ipfsClientLinuxPath = path.join(ipfsClientsPath, 'linux')

// plebbit kubu download links https://github.com/plebbit/kubo/releases
// const ipfsClientVersion = '0.20.0'
// const ipfsClientWindowsUrl = `https://github.com/plebbit/kubo/releases/download/v${ipfsClientVersion}/ipfs-windows-amd64`
// const ipfsClientMacUrl = `https://github.com/plebbit/kubo/releases/download/v${ipfsClientVersion}/ipfs-darwin-amd64`
// const ipfsClientLinuxUrl = `https://github.com/plebbit/kubo/releases/download/v${ipfsClientVersion}/ipfs-linux-amd64`

// official kubo download links https://docs.ipfs.tech/install/command-line/#install-official-binary-distributions
const ipfsClientVersion = '0.28.0'
const ipfsClientWindowsUrl = `https://dist.ipfs.io/kubo/v${ipfsClientVersion}/kubo_v${ipfsClientVersion}_windows-amd64.zip`
const ipfsClientMacUrl = `https://dist.ipfs.io/kubo/v${ipfsClientVersion}/kubo_v${ipfsClientVersion}_darwin-amd64.tar.gz`
const ipfsClientLinuxUrl = `https://dist.ipfs.io/kubo/v${ipfsClientVersion}/kubo_v${ipfsClientVersion}_linux-amd64.tar.gz`

const downloadWithProgress = (url) =>
  new Promise((resolve) => {
    const split = url.split('/')
    const fileName = split[split.length - 1]
    const chunks = []
    const req = https.request(url)
    req.on('response', (res) => {
      // handle redirects
      if (res.statusCode == 301 || res.statusCode === 302) {
        resolve(downloadWithProgress(res.headers.location))
        return
      }

      const len = parseInt(res.headers['content-length'], 10)
      console.log()
      const bar = new ProgressBar(`  ${fileName} [:bar] :rate/bps :percent :etas`, {
        complete: '=',
        incomplete: ' ',
        width: 20,
        total: len,
      })
      res.on('data', (chunk) => {
        chunks.push(chunk)
        bar.tick(chunk.length)
      })
      res.on('end', () => {
        console.log('\n')
        resolve(Buffer.concat(chunks))
      })
    })
    req.end()
  })

// plebbit kubo downloads dont need to be extracted
const download = async (url, destinationPath) => {
  let binName = 'ipfs'
  if (destinationPath.endsWith('win')) {
    binName += '.exe'
  }
  const binPath = path.join(destinationPath, binName)
  // already downloaded, don't download again
  if (fs.pathExistsSync(binPath)) {
    return
  }
  const split = url.split('/')
  const fileName = split[split.length - 1]
  const dowloadPath = path.join(destinationPath, fileName)
  const file = await downloadWithProgress(url)
  fs.ensureDirSync(destinationPath)
  await fs.writeFile(binPath, file)
}

// official kubo downloads need to be extracted
const downloadAndExtract = async (url, destinationPath) => {
  let binName = 'ipfs'
  if (destinationPath.endsWith('win')) {
    binName += '.exe'
  }
  const binPath = path.join(destinationPath, binName)
  if (fs.pathExistsSync(binPath)) {
    return
  }
  const split = url.split('/')
  const fileName = split[split.length - 1]
  const dowloadPath = path.join(destinationPath, fileName)
  const file = await downloadWithProgress(url)
  fs.ensureDirSync(destinationPath)
  await fs.writeFile(dowloadPath, file)
  await decompress(dowloadPath, destinationPath)
  const extractedPath = path.join(destinationPath, 'kubo')
  const extractedBinPath = path.join(extractedPath, binName)
  fs.moveSync(extractedBinPath, binPath)
  fs.removeSync(extractedPath)
  fs.removeSync(dowloadPath)
}

export const downloadIpfsClients = async () => {
  await downloadAndExtract(ipfsClientWindowsUrl, ipfsClientWindowsPath)
  await downloadAndExtract(ipfsClientMacUrl, ipfsClientMacPath)
  await downloadAndExtract(ipfsClientLinuxUrl, ipfsClientLinuxPath)
}

export default async (context) => {
  await downloadIpfsClients()
}