async function main () {
  let tokens = Array.from(game.user.targets)
  if (tokens.length < 1) {
    tokens = canvas.tokens.controlled
  }
  if (tokens.length < 1) {
    ui.notifications.error('Please target or select some tokens')
    return
  }

  const menuData = {
    inputs: [
      { type: 'info', label: `Requesting roll from ${tokens.map(t => t.name).join(', ')}` },
      {
        type: 'select',
        label: 'Trait to roll',
        options: []
      },
      { type: 'number', label: 'Roll Modifier', options: 0 },
      { type: 'text', label: 'Roll Modifier Description', options: 'Roll Modifier' }
    ],
    buttons: [
      { label: 'Request roll', value: 'ok', default: true },
      { label: 'Cancel', value: 'cancel' }
    ]
  }
  const menuConfig = {
    title: 'Request roll...'
  }
  for (const attribute of ['Agility', 'Smarts', 'Spirit', 'Strength', 'Vigor']) {
    menuData.inputs[1].options.push(
      { html: `Attribute | ${attribute}`, value: `a|${attribute.toLowerCase()}` }
    )
  }
  const skillSet = new Set()
  for (const token of tokens) {
    const skills = token.actor.items.filter(i => i.type === 'skill' &&
      !['Untrained', 'Unskilled Attempt'].includes(i.name))
    for (const skill of skills) {
      skillSet.add(skill.name)
    }
  }
  for (const skill of Array.from(skillSet).sort()) {
    menuData.inputs[1].options.push(
      { html: `Skill | ${skill}`, value: `s|${skill.toLowerCase()}` })
  }
  menuData.inputs[1].options.push(
    { html: 'Skill | Untrained', value: 's|NOSKILL' })
  const result = await warpgate.menu(menuData, menuConfig)
  console.log(result)
}

main()