# Name = Erik V.
# Student number = 221122
import xml.etree.ElementTree as ET
import urllib.request
from time import sleep
from threading import Thread
count = 0

def getXmlTree(url):
    """Will return the XML tree made with the url given"""

    # Getting the data from the url
    with urllib.request.urlopen(url) as url:

        data = url.read()

    # Making a tree with the data
    tree = ET.fromstring(data)
    return tree

def getXmlInfoInDic():
    """Will return the info at the id in a dictionary"""

    # Leeuwarden = 6270 Groningen 6280
    # Getting the XML tree from the url
    tree = getXmlTree("https://data.buienradar.nl/1.0/feed/xml")

    # Getting the info for the current ID (leeuwarden)
    node = tree.findall('''.//*[@id='6270']''')[0]

    # Making a dictionary to store the data in
    weatherDic = {}

    for element in node.iter():

        weatherDic.update({element.tag : element.text})

    return weatherDic

def saveData(weatherDic):
    """Will save the data from the dictionary to the file"""
    global count

    filename = "weatherDataCollection.txt"

    file = open(filename, "a+")

    for key, value in weatherDic.items():

        file.write("{} : {}\n".format(key, value))

    file.write("\n")

    count += 1
    print("Weather data collection number {} completed".format(count))

def main():

    # Saving the data every hour
    while True:

        # Getting a dictionary filled with the weather data
        weatherDic = getXmlInfoInDic()

        # Saving the data to the file
        saveData(weatherDic)

        # Letting the program sleep for an hour (3600s) before repeating
        sleep(1800)

if (__name__ == "__main__"):

    main()