import xml.etree.ElementTree as ET
import random

# Einheiten mit ihren Umrechnungsfaktoren
unit_conversion = {
    "t": {"factor": 1000, "name": "Kilogramm"},
    "kg": {"factor": 1000, "name": "Gramm"},
    "g": {"factor": 1000, "name": "Milligramm"},
    "ha": {"factor": 10000, "name": "Quadratmeter"},
    "m²": {"factor": 10000, "name": "Quadratcentimeter"},
    "a": {"factor": 100, "name": "Quadratmeter"},
    "m": {"factor": 1000, "name": "Millimeter"},
    "l": {"factor": 1000, "name": "Milliliter"},
    "ml": {"factor": 0.001, "name": "Liter"},
    "Tesla": {"factor": 1000000, "name": "Mikrotesla"},
    "Ampere": {"factor": 1000, "name": "Milliampere"},
    "Volt": {"factor": 1000, "name": "Millivolt"},
    "Coulomb": {"factor": 1000, "name": "Millikoulomb"},
}

def create_conversion_question(name, questiontext, feedback, correct_answer, tolerance, unit_from, unit_to, tags):
    question = ET.Element('question', attrib={'type': 'numerical'})

    name_elem = ET.SubElement(question, 'name')
    text_elem = ET.SubElement(name_elem, 'text')
    text_elem.text = name

    questiontext_elem = ET.SubElement(question, 'questiontext', attrib={'format': 'html'})
    text_elem = ET.SubElement(questiontext_elem, 'text')
    text_elem.text = questiontext

    generalfeedback_elem = ET.SubElement(question, 'generalfeedback', attrib={'format': 'html'})
    text_elem = ET.SubElement(generalfeedback_elem, 'text')
    text_elem.text = feedback

    defaultgrade_elem = ET.SubElement(question, 'defaultgrade')
    defaultgrade_elem.text = '1.0000000'

    penalty_elem = ET.SubElement(question, 'penalty')
    penalty_elem.text = '0.3333333'

    hidden_elem = ET.SubElement(question, 'hidden')
    hidden_elem.text = '0'

    answer_elem = ET.SubElement(question, 'answer', attrib={'fraction': '100'})
    text_elem = ET.SubElement(answer_elem, 'text')
    text_elem.text = f"{str(correct_answer).replace('.', ',')} {unit_to}"

    tolerance_elem = ET.SubElement(answer_elem, 'tolerance')
    tolerance_elem.text = str(tolerance).replace('.', ',')

    feedback_elem = ET.SubElement(answer_elem, 'feedback', attrib={'format': 'html'})
    text_elem = ET.SubElement(feedback_elem, 'text')
    text_elem.text = 'Richtig!'

    incorrectfeedback_elem = ET.SubElement(question, 'incorrectfeedback', attrib={'format': 'html'})
    text_elem = ET.SubElement(incorrectfeedback_elem, 'text')
    text_elem.text = 'Falsch.'

    # Einheitsangabe hinzufügen
    units_elem = ET.SubElement(question, 'units')
    unit_elem = ET.SubElement(units_elem, 'unit')
    multiplier_elem = ET.SubElement(unit_elem, 'multiplier')
    multiplier_elem.text = '1'
    unit_name_elem = ET.SubElement(unit_elem, 'unit_name')
    unit_name_elem.text = unit_to

    unitgradingtype_elem = ET.SubElement(question, 'unitgradingtype')
    unitgradingtype_elem.text = '1'

    unitpenalty_elem = ET.SubElement(question, 'unitpenalty')
    unitpenalty_elem.text = '0.1000000'

    showunits_elem = ET.SubElement(question, 'showunits')
    showunits_elem.text = '2'

    unitsleft_elem = ET.SubElement(question, 'unitsleft')
    unitsleft_elem.text = '0'

    tags_elem = ET.SubElement(question, 'tags')
    for tag in tags:
        tag_elem = ET.SubElement(tags_elem, 'tag')
        text_elem = ET.SubElement(tag_elem, 'text')
        text_elem.text = tag

    return question

questions = []

# Generiere 10 Umwandlungsfragen
for i in range(1, 11):
    # Wähle eine Einheit und berechne die Umwandlung
    unit_from = random.choice(list(unit_conversion.keys()))
    unit_to = unit_conversion[unit_from]["name"].lower()
    conversion_factor = unit_conversion[unit_from]["factor"]

    # Erstelle eine Zufallszahl zwischen einem kleinen Wert und einem größeren Wert
    number = round(random.uniform(0.001, 10.0), 5)  # Beispielwert zwischen 0,001 und 10,0
    correct_answer = round(number * conversion_factor, 2)

    questiontext = f"Runde {str(number).replace('.', ',')} {unit_from} auf die Einheit {unit_to} genau! (Bitte Einheit angeben!)"
    feedback = f"Die korrekte Antwort ist {str(correct_answer).replace('.', ',')} {unit_to}."
    tolerance = 0.0049
    tags = ["Runden", "Einheiten", "Umwandlung", "Physikalische Einheit"]

    questions.append(create_conversion_question(f"Runden von {unit_from} nach {unit_to} {i}", questiontext, feedback, correct_answer, tolerance, unit_from, unit_to, tags))

# Erstelle das Quiz
quiz = ET.Element('quiz')
for q in questions:
    quiz.append(q)

# Speichere die XML-Datei
def save_to_file(xml_element, filename):
    tree = ET.ElementTree(xml_element)
    with open(filename, 'wb') as f:
        tree.write(f, encoding='utf-8', xml_declaration=True)

save_to_file(quiz, 'einheiten_umwandlung_quiz.xml')

print("Moodle-XML-Datei 'einheiten_umwandlung_quiz.xml' erfolgreich erstellt.")