import csv
import json
import urllib3
import os
import sys
from io import StringIO
from lxml import etree
from lxml.builder import ElementMaker
import requests

from passwords import *

E_plain = ElementMaker(nsmap={"hid": "http://www.hidglobal.com/VertX"})
E = ElementMaker(namespace="http://www.hidglobal.com/VertX",
                 nsmap={"hid": "http://www.hidglobal.com/VertX"})

# it's fine, ssl certs are for losers anyway
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)

try:
    config = json.load(
        open(os.path.dirname(os.path.abspath(__file__)) + "/config.json"))
except NameError:
    config = json.load(open("config.json"))

fieldnames = "CardNumber,CardFormat,PinRequired,PinCode,ExtendedAccess,ExpiryDate,Forename,Initial,Surname,Email,Phone,Custom1,Custom2,Schedule1,Schedule2,Schedule3,Schedule4,Schedule5,Schedule6,Schedule7,Schedule8".split(",")

def getMembershipworksData(folders, columns):
    """ Pull the members csv from the membershipworks api
        folders: a list of the names of the folders to get
                 (see folder_map in this function for mapping to ids)
        columns: which columns to get"""
    BASE_URL = "https://api.membershipworks.com/v1/"
    folder_map = {'members': '5ae37979f033bfe8534f8799',
                  'staff': '5771675edcdf126302a2f6b9',
                  'misc': '5b69ee9bf033bf8e7346c434'}

    # login
    r = requests.post(BASE_URL + 'usr',
                      data={"_st": "all",
                            "eml": MEMBERSHIPWORKS_USERNAME,
                            "org": "10000",
                            "pwd": MEMBERSHIPWORKS_PASSWORD})
    if r.status_code != 200 or 'SF' not in r.json():
        print("MembershipWorks Login Error: ", r.status_code, r.reason)
        print(r.text)
        sys.exit(1)
    login_data = r.json()

    # get list of member/staff IDs
    r = requests.get(BASE_URL + "ylp",
                     params={"SF": login_data['SF'],
                             "lbl": ",".join([folder_map[f] for f in folders]),
                             "org": login_data['org'],
                             "var": "_id,nam,ctc"})
    if r.status_code != 200 or 'usr' not in r.json():
        print("MembershipWorks User Listing Error: ", r.status_code, r.reason)
        print(r.text)
        sys.exit(1)
    ids = [user['uid'] for user in r.json()['usr']]

    # get members CSV
    # TODO: maybe can just use previous get instead? would return JSON
    r = requests.post(BASE_URL + "csv",
                      params={"SF": login_data['SF']},
                      data={"_rt": "946702800", # unknown
                            "mux": "", # unknown
                            "tid": ",".join(ids), # ids of members to get
                            "var": columns})
    if r.status_code != 200:
        print("MembershipWorks CSV Generation Error: ", r.status_code, r.reason)
        print(r.text)
        sys.exit(1)

    return list(csv.DictReader(StringIO(r.text)))

def doImportRequest(ip, params=None, files=None):
    """Send a request to the door control import script"""
    r = requests.post(
        'https://' + ip + '/cgi-bin/import.cgi',
        params=params,
        files=files,
        auth=requests.auth.HTTPDigestAuth(DOOR_USERNAME, DOOR_PASSWORD),
        timeout=60,
        verify=False) # ignore insecure SSL
    xml = etree.XML(r.content)
    if r.status_code != 200 \
       or len(xml.findall("{http://www.hidglobal.com/VertX}Error")) > 0:
        print("Door Updating Error: ", r.status_code, r.reason)
        print(r.text)
        sys.exit(1)

def doCSVImport(doorIP, csv):
    """Do the CSV import procedure on a door control"""
    doImportRequest(doorIP, {"task": "importInit"})
    doImportRequest(doorIP,
              {"task": "importCardsPeople", "name": "cardspeopleschedule.csv"},
              {"importCardsPeopleButton": ("cardspeopleschedule.csv", csv, 'text/csv')})
    doImportRequest(doorIP, {"task": "importDone"})

def doXMLRequest(doorIP, xml, prefix=b'<?xml version="1.0" encoding="UTF-8"?>'):
    if not isinstance(xml, str): xml = etree.tostring(xml)
    r = requests.get(
        'https://' + doorIP + '/cgi-bin/vertx_xml.cgi',
        params={'XML': prefix + xml},
        auth=requests.auth.HTTPDigestAuth(DOOR_USERNAME, DOOR_PASSWORD),
        verify=False)
    resp_xml = etree.XML(r.content)
    # probably meed to be more sane about this
    if r.status_code != 200 \
       or len(resp_xml.findall("{*}Error")) > 0:
        print("Door Updating Error: ", r.status_code, r.reason)
        print(r.text)
        sys.exit(1)
    return resp_xml