#!/usr/bin/env node

// use a mock DOM so we can run mithril on the server
require('mithril/test-utils/browserMock')(global)

const FimFic2Epub = require('../dist/fimfic2epub')
const fs = require('fs')

const STORY_ID = process.argv[2]

const ffc = new FimFic2Epub(STORY_ID)

const outputStdout = process.argv[3] === '-' || process.argv[3] === '/dev/stdout'

if (outputStdout) {
  console.log = console.error
  console.log('Outputting to stdout')
}

ffc.on('progress', (percent, status) => {
  /*
  if (status) {
    console.log('fimfic2epub: ' + status)
  }
  */
})

ffc.fetchAll()
.then(ffc.build.bind(ffc))
.then(() => {
  let filename = process.argv[3] || ffc.filename
  let stream

  if (outputStdout) {
    stream = process.stdout
  } else {
    stream = fs.createWriteStream(filename)
  }
  ffc.streamFile(null)
  .pipe(stream)
  .on('finish', () => {
    if (!outputStdout) {
      console.log('Saved story as ' + filename)
    }
  })
})
.catch((err) => {
  if (err && err.stack) {
    console.error(err.stack)
  } else {
    console.error('Error: ' + (err || 'Unknown error'))
  }
  process.exit(1)
})