/** 语句：try 尝试执行，成功走 success、失败走 fail（解析在此，执行在 sequence-runner） */
const types = ['try']

function parse(action, parseContext) {
  const { parseActions } = parseContext
  const failActions = action.fail || action.catch
  const parsed = {
    type: 'try',
    try: (action.try || action.body) ? parseActions(action.try || action.body) : [],
    success: action.success ? parseActions(action.success) : [],
    fail: failActions ? parseActions(failActions) : [],
  }
  return Object.assign({}, action, parsed)
}

async function execute() {
  return { success: true }
}

module.exports = { types, parse, execute }