#!/usr/bin/python3

import boto3
# import json


def recurseChildren(ouid, level):
    children = client.list_organizational_units_for_parent(ParentId=ouid).get('OrganizationalUnits')
    if len(children) == 0:
        childAccounts = getChildAccounts(ouid)
        for c in childAccounts:
            print('.' * level, c[0], c[1])
        return
    else:
        for c in children:
            print('.' * level, c.get('Name'), c.get('Id'))
            recurseChildren(c.get('Id'), level + 1)


def getChildAccounts(ouid):
    childAccounts = client.list_accounts_for_parent(ParentId=ouid).get('Accounts')
    reducedList = []
    for a in childAccounts:
        tempList = [a.get('Name'), a.get('Id')]
        reducedList.append(tempList)
    return reducedList


client = boto3.client('organizations')
response = client.list_roots()

rootId = response['Roots'][0]['Id']
print('Root ', rootId)

recurseChildren(rootId, 1)