import { execSync, exec } from 'child_process'
import { lsFolder } from '../files.js'
import { AO_MANUAL_PATH } from '../manual.js'

export function manualStatus() {
  // There are at least eighteen items in the manual
  if(lsFolder(AO_MANUAL_PATH).length >= 18) {
    return 'installed'
  }
  return 'off'
}

export async function updateManual() {
  exec('cd ' + process.env.HOME + '/.ao/manual && git pull origin main 2>&1', (error, stdout, stderr) => {
    //console.log('error:', error, 'stdout:', stdout, 'stderr:', stderr)
    if(error) {
      console.log('git pull failed with error:', error)
    }
    if(stdout.includes('Already up to date.')) {
      return
    }
    console.log('/nAO User Manual was updated.')
  })
}

// Downloads the ao-manual repo to ~/.ao/manual/. Returns false if it fails, which usually means the folder already exists (update instead).
export function downloadManual() {
  try {
    execSync('git clone http://git.coalitionofinvisiblecolleges.org:3009/autonomousorganization/ao-manual.git ' + AO_MANUAL_PATH + ' 2>&1')
  } catch(err) {
    switch(err.code) {
      case 128:
        return false
    }
  }
  return true
}

export default {
  name: 'Manual',
  description: 'AO user manual',
  status: manualStatus,
  install: downloadManual,
  update: updateManual
}