import requests
import zipfile
import json
import io, os
import sys
import re


def export_survey(apiToken, surveyId, dataCenter, fileFormat,downloadDir, exportResponsesInProgress):
    surveyId = surveyId
    fileFormat = fileFormat
    dataCenter = dataCenter

    # Setting static parameters
    requestCheckProgress = 0.0
    progressStatus = "inProgress"
    baseUrl = "https://{0}.qualtrics.com/API/v3/surveys/{1}/export-responses/".format(dataCenter, surveyId)
    headers = {
        "content-type": "application/json",
        "x-api-token": apiToken,
    }

    # Step 1: Creating Data Export
    downloadRequestUrl = baseUrl
    downloadRequestPayload = '{"format":"' + fileFormat + '",' '"useLabels": true, "exportResponsesInProgress":' + exportResponsesInProgress +'}'
    downloadRequestResponse = requests.request("POST", downloadRequestUrl, data=downloadRequestPayload, headers=headers)
    progressId = downloadRequestResponse.json()["result"]["progressId"]
    print(downloadRequestResponse.text)

    # Step 2: Checking on Data Export Progress and waiting until export is ready
    while progressStatus != "complete" and progressStatus != "failed":
        print("progressStatus=", progressStatus)
        requestCheckUrl = baseUrl + progressId
        requestCheckResponse = requests.request("GET", requestCheckUrl, headers=headers)
        requestCheckProgress = requestCheckResponse.json()["result"]["percentComplete"]
        print("Download is " + str(requestCheckProgress) + " complete")
        progressStatus = requestCheckResponse.json()["result"]["status"]

    # step 2.1: Check for error
    if progressStatus is "failed":
        raise Exception("export failed")

    fileId = requestCheckResponse.json()["result"]["fileId"]

    # Step 3: Downloading file
    requestDownloadUrl = baseUrl + fileId + '/file'
    requestDownload = requests.request("GET", requestDownloadUrl, headers=headers, stream=True)

    # Step 4: Unzipping the file
    zipfile.ZipFile(io.BytesIO(requestDownload.content)).extractall(downloadDir)
    print('Complete')