/** 语句：scroll 滚动 */
const types = ['scroll']

function parse(action, parseContext) {
  return Object.assign({}, action, { type: 'scroll' })
}

async function execute(action, ctx) {
  const { device, resolution, api, calculateSwipeCoordinates, DEFAULT_SCROLL_DISTANCE = 100 } = ctx
  if (!api.sendScroll) return { success: false, error: '滚动 API 不可用' }
  const r = await api.sendScroll(device, action.value, resolution.width, resolution.height, DEFAULT_SCROLL_DISTANCE, 500)
  if (!r.success) return { success: false, error: `滚动失败: ${r.error}` }
  return { success: true }
}

module.exports = { types, parse, execute }