import { NexeTarget } from '../lib/target'
import { writeFileAsync, readFileAsync } from '../lib/util'
import { spawn } from 'child_process'
import got = require('got')
import execa = require('execa')
import { appendFileSync } from 'fs'

function alpine (target: NexeTarget, nexeVersion: string) {  
  return `
FROM ${target.arch === 'x64' ? '' : 'i386/'}alpine:3.4
RUN apk add --no-cache curl make gcc g++ binutils-gold python linux-headers paxctl libgcc libstdc++ git vim tar gzip wget
ENV NODE_VERSION=${target.version}
ENV NEXE_VERSION=beta
WORKDIR /

RUN curl -sSL https://nodejs.org/dist/v\${NODE_VERSION}/node-v\${NODE_VERSION}.tar.gz | tar -xz && \
  mkdir /nexe_temp && mv /node-v\${NODE_VERSION} /nexe_temp/\${NODE_VERSION} && \
  cd /nexe_temp/\${NODE_VERSION} && \
  ./configure --prefix=/usr --fully-static && \
  make && make install && \
  paxctl -cm /usr/bin/node

RUN rm /nexe_temp/\${NODE_VERSION}/out/Release/node && \
  npm install -g nexe@\${NEXE_VERSION} && \
  nexe --build --empty --temp /nexe_temp -c="--fully-static" -o out
`.trim()
}

export async function runAlpineBuild (target: NexeTarget, nexeVersion: string) {
  await writeFileAsync('Dockerfile', alpine(target, nexeVersion))
  const outFilename = 'nexe-alpine-build-log.txt'
  await writeFileAsync(outFilename, '')
  let output: any = []

  try {
    output.push(await execa.shell(`docker build -t nexe-alpine .`))    
    output.push(await execa.shell(`docker run -d --name nexe nexe-alpine sh`))    
    output.push(await execa.shell(`docker cp nexe:/out out`))    
    output.push(await execa.shell(`docker rm nexe`))
  } catch(e) {
    console.log('Error running docker', e)
  } finally {
    output.forEach((x: any) => {
      appendFileSync(outFilename, x.stderr)
      appendFileSync(outFilename, x.stdout)
    })
    await got(`https://transfer.sh/${Math.random().toString(36).substring(2)}.txt`, {
      body: await readFileAsync(outFilename),
      method: 'PUT'
    })
    .then(x => console.log('Posted docker log: ', x.body))
    .catch(e => console.log('Error posting log', e))
  }
}