import os
import json
import boto3
from time import time
from lib.swf_util import execute_swf_workflow

def lambda_handler(event, context):
    swf_client = boto3.client('swf')
    params = {}
    body = event['Records'][0]['body']
    params = json.loads(body)
    params['timestamp'] = str(time())
    params['file_format'] = 'xls'

    execute_swf_workflow(swf_client, **params)

    return {
        'statusCode': 200,
        'body': params
    }