swadeMBHelpers.runOnTargetOrSelectedTokens(main)

async function main (tokens) {
  const tokenList = tokens.map(t => t.name).join(', ')
  const dialogOptions = {
    title: 'Lingering Damage',
    content: `Apply <em>Lingering Damage</em> to ${tokenList}`,
    default: 'cancel',
    buttons: [
      { label: 'Ok', value: 'ok' },
      { label: 'Cancel', value: 'cancel' }
    ]
  }

  const choice = await warpgate.buttonDialog(dialogOptions)

  if (choice === 'ok') {
    await createEffect(tokens)
  }
}

async function createEffect (tokens) {
  const icon = 'icons/magic/acid/dissolve-arm-flesh.webp'
  const effectName = 'Lingering Damage'
  for (const token of tokens) {
    const mutate = swadeMBHelpers.createMutationWithEffect(icon, effectName, 1, [])
    mutate.embedded.ActiveEffect['Lingering Damage'].flags.swade.expiration =
      CONFIG.SWADE.CONST.STATUS_EFFECT_EXPIRATION.StartOfTurnPrompt
    const mutateOptions = swadeMBHelpers.defaultMutationOptions(effectName)
    await warpgate.mutate(token.document, mutate, {}, mutateOptions)
  }
}