#! /usr/bin/env node

const { join } = require('path')
const shell = require('shelljs')
const yargs = require('yargs')
const getFilePath = (file) => join(__dirname, '..', file)

const thisIpAddress = require(getFilePath('./ipAddressHelpers')).getMyIpAddress()

function startMainMockServer (argv) {
  const commandString = [`node "${getFilePath('server.js')}" --port ${argv['main-port']} --upload-dir ${argv.uploadDir}`]
  if (argv.database) commandString.push(`--database ${argv.database}`)
  shell.exec(commandString.join(' '), {async: true})
}

function startStudioMockServer (argv) {
  const commandString = [`node "${getFilePath('app-server.js')}"`]
  commandString.push(`--port ${argv['studio-port']}`)

  const endpoint = argv.reportEndpoint || `http://${thisIpAddress}:${argv['main-port']}/studiomachines/report`
  commandString.push(`--report-endpoint ${endpoint}`)

  shell.exec(commandString.join(' '), {async: true})
}

yargs // eslint-disable-line no-unused-expressions
  .usage('$0 command')
  .option('database', {
    alias: 'd',
    describe: 'Specify a path to a database file. Make sure it is a proper relative path (starting with ./ or ../) or absolute path. If you do not provide a database file, then default data will be used. (See the "data" command.)',
    type: 'string'
  })
  .option('upload-dir', {
    alias: 'u',
    describe: 'Specify a path to an uploaded file directory. This folder will be served statically and will receive any file uploads from the application. Make sure it is a proper relative path (starting with ./ or ../) or absolute path.',
    type: 'string',
    default: './uploads'
  })
  .option('main-port', {
    describe: 'specify a port for the main server',
    type: 'number',
    default: 3000
  })
  .option('studio-port', {
    describe: 'specify a port',
    type: 'number',
    default: 4201
  })
  .option('report-endpoint', {
    describe: 'Override the remote endpoint for reporting this server\'s IP address/port. This option by default will point to the main mock server, even if you change its port.',
    type: 'string',
    defaultDescription: `http://${thisIpAddress}:3000/studiomachines/report`
  })
  .command(
    'main',
    'Starts the mock server for the main site',
    (yargs) => {},
    (argv) => startMainMockServer(argv)
  )
  .command(
    'studio',
    'starts the mock server for the local studio',
    (yargs) => {},
    (argv) => startStudioMockServer(argv)
  )
  .command(
    'both',
    'starts the mock servers for the local studio and the main studio',
    (yargs) => {},
    (argv) => {
      startMainMockServer(argv)
      setTimeout(() => startStudioMockServer(argv), 1000) // making sure the other is started
    }
  )
  .command(
    'data',
    'Echoes the database file so you can have a starting point to create your own. Perhaps you should redirect output into a file using ">".',
    (yargs) => {},
    (argv) => {
      const cat = shell.cat(`${getFilePath('db.js')}`).stdout
      console.log(cat)
    }
  )
  .demandCommand(1, 'must provide a valid command')
  .help('h')
  .alias('h', 'help')
  .argv