#!/usr/bin/env node

const path = require('path')
const go = require('../index.js')

const help = `
  USAGE

    now-go -c <config-file-path>

    -c, --config <path>   JS or JSON config file path
    -p, --port <n>        Port to listen on (default: 3000)
    -h, --help            Show this help message
    -v, --version         Show version

  EXAMPLE CONFIG JSON

    {
      "/home": "https://github.com/amio/now-go",
      "/": "Yet another tinyurl service",
      "*": "What are you looking for"
    }
`

const args = require('minimist')(process.argv.slice(2), {
  alias: {
    'p': 'port',
    'c': 'config',
    'v': 'version',
    'h': 'help'
  },
  default: {
    'c': process.env.NOW_GO_CONFIG,
    'p': 3000
  }
})

if (args.help) {
  console.log(help)
  process.exit()
}

if (args.version) {
  console.log(require('../package.json').version)
  process.exit()
}

if (args.config) {
  const config = require(path.resolve(process.cwd(), args.config))
  const options = { port: parseInt(args.port) || 3000 }
  go(config, options)
} else {
  console.log(help)
  process.exit(1)
}