import lxml.etree
from lxml import etree
from aktion_status import AktionsStatus


class App:

    def __init__(self):
        pass

    def read_xml(self, path, hide_empty=True):
        with open(path, encoding="utf-8") as xml_file:
            head = xml_file.readline()
            xml = xml_file.read()
            root = etree.fromstring(xml)
            for data in root.getchildren():

                for elem in data.getchildren():
                    self.read_element(elem, hide_empty=hide_empty)

    def read_element(self, element, sign="", hide_empty=True):
        element_text = element.text
        if hide_empty and not element_text or isinstance(element, lxml.etree._Comment) or isinstance(element, lxml.etree._ProcessingInstruction):
            pass
        elif element.tag.find("AKTION") > -1:
            num = int(element_text)
            print(sign, self.clean_xmlns(element.tag), AktionsStatus.get_status(num))
        else:
            print(sign, self.clean_xmlns(element.tag), element.text if element.text else "")
        if len(element.getchildren()) > 0:
            for el in element.getchildren():
                self.read_element(el, sign+"\t")

    def clean_xmlns(self, tag_text):
        if tag_text and tag_text.startswith("{"):
            return tag_text.split("}")[1]
        return tag_text