#!/usr/bin/env python3

import requests
import hashlib
import re
from json import JSONDecoder
from bs4 import BeautifulSoup

import time

import asyncio
import logging
from slixmpp import ClientXMPP, JID

currentHTMLHash = "268482119524892ebf8a1efa6c2d066e08a4d7fa42d1d703cb00c25f1ef96c5b"
currentJSHash = "96e0c20d1da2808dcb76a3e6824441fb377fbc533b4c240f811ff17abb8178b9"

jsValues = ['de', 'en', 'hb', 'bhv', 'none', 'jj', 'az']

client = ClientXMPP("account@chat.sum7.eu", "PASSWORD")

listSubscriber = [
    { "jid": JID("genofire@chat.sum7.eu"),
        "data": {
            "dateOfBirth":"1970-01-02",
            "email":"a@example.org",
            "repeatEmail":"a@example.org",
            "firstName":"Geno",
            "lastName":"Fire",
            "location":"hb",
            "zip":"28000"
        }
    },
    {"jid": JID("genofire@meckerspace.de")
    }
]

def checkHTML(notify = print, jsFile = print):
    res = requests.get("https://impfzentrum.bremen.de/")
    hashV = hashlib.sha256(res.text.encode()).hexdigest()
    if hashV != currentHTMLHash:
        notify("new index.html found with hash {}".format(hashV))
    soup = BeautifulSoup(res.text, 'html.parser')
    for s in soup.find_all('script'):
        jsFile(s.get("src"), notify)


def checkJS(file, notify = print):
    res = requests.get("https://impfzentrum.bremen.de/"+file)
    hashV = hashlib.sha256(res.text.encode()).hexdigest()
    if hashV != currentJSHash:
        notify("new js with path {} and hash {} found".format(file, hashV))
    p = re.findall(r".?value.?:\s*\"(.{1,5})\"", res.text, re.M)
    newP = [x for x in p if x not in jsValues]
    if len(newP) == 1 :
       handleVac(newP[0], notify)
    elif len(newP) > 1:
       notify("error on finding new vacation {} - please go yourself to https://impfzentrum.bremen.de/registration/new", p)

def handleVac(v, notify = print):
    notify("new vacation is {}".format(v))
    for req in listSubscriber:
        if "data" not in req:
            continue
        data = req["data"]
        data["preference"] = v
        res = requests.post("https://api.schedule-bremen.dgshost.de/api/frontend/registration", data)
        notify("try of registration - statuscode {}, if correct result should be curly brackets and statuscode 201 else please go yourself to https://impfzentrum.bremen.de/registration/new: {}".format(res.status_code, res.text), jids=[req["jid"]])

def notify(text, jids=[x["jid"] for x in listSubscriber]):
    global client
    for jid in jids:
        #print("{}: {}".format(jid, text))
        client.send_message(jid, text, mtype="chat")




def session_start(event):
    global client
    client.send_presence()
    client.get_roster()


if __name__ == '__main__':
    logging.basicConfig(level=logging.DEBUG,
                        format='%(levelname)-8s %(message)s')

    client.add_event_handler("session_start", session_start)

    client.connect()
    client.process(timeout=1)
    notify("startup hb vecation bot", jids=[listSubscriber[0]["jid"]])
    while True:
        checkHTML(jsFile = checkJS, notify=notify)
        client.process(timeout=1)
        #time.sleep(1)
    notify("stop hb vecation bot", jids=[listSubscriber[0]["jid"]])