from browser import document


def export_to_xml(model):
    xml_document = export_entry(model.entry)
    serializer = __new__(XMLSerializer())
    return serializer.serializeToString(xml_document);


def export_entry(entry):
    parser = __new__(DOMParser())
    doc = parser.parseFromString("<entry />", "text/xml")
    
    entry_xml = doc.firstChild
    
    # create head
    head = doc.createElement("head")
    entry_xml.appendChild(head)
    
    status = doc.createElement("status")
    status.textContent = entry.status
    head.appendChild(status)
    
    headword = doc.createElement("headword")
    headword_lemma = doc.createElement("lemma")
    headword_lemma.textContent = entry.headword
    headword.appendChild(headword_lemma)
    head.appendChild(headword)
    
    grammar = doc.createElement("grammar")
    grammar_category = doc.createElement("category")
    grammar_category.textContent = entry.grammar
    grammar.appendChild(grammar_category)
    head.appendChild(grammar)
    
    comment = doc.createElement("comment")
    comment.textContent = entry.comment
    head.appendChild(comment)
    
    # now lets do body
    body = doc.createElement("body")
    entry_xml.appendChild(body)
    
    sense_list = doc.createElement("senseList")
    body.appendChild(sense_list)
    
    for sense in entry.senses:
        sense_list.appendChild(export_sense(doc, sense))
        
    return doc
    

def export_sense(doc, sense):
    sense_xml = doc.createElement("sense")
    
    label_list = doc.createElement("labelList")
    sense_xml.appendChild(label_list)
    
    for label in sense.labels:
        label_xml = doc.createElement("label")
        label_xml.textContent = label
        label_list.appendChild(label_xml)
    
    definition_list = doc.createElement("definitionList")
    sense_xml.appendChild(definition_list)
    
    definition = doc.createElement("definition")
    definition.textContent = sense.definition
    definition.setAttribute("type", "indicator")
    definition_list.appendChild(definition)
    
    translation_container_list = doc.createElement("translationContainerList")
    sense_xml.appendChild(translation_container_list)
    
    for cidx, cluster in enumerate(sense.translations):
        for translation in cluster:
            translation_container = export_translation(doc, translation)
            translation_container.setAttribute("cluster", str(cidx + 1))
            translation_container_list.appendChild(translation_container)
    
    example_container_list = doc.createElement("exampleContainerList")
    sense_xml.appendChild(example_container_list)
    
    for example in sense.examples:
        example_container = doc.createElement("exampleContainer")
        example_container_list.appendChild(example_container)
        
        example_xml = doc.createElement("example")
        example_xml.textContent = example.example
        example_container.appendChild(example_xml)
        
        translation_container = doc.createElement("translationContainer")
        example_container.appendChild(translation_container)
        
        translation = doc.createElement("translation")
        translation.textContent = example.translation
        translation_container.appendChild(translation)
        
    return sense_xml

def export_translation(doc, translation):
    translation_xml = doc.createElement("translationContainer")
    
    actual_t = doc.createElement("translation")
    actual_t.textContent = translation.translation
    translation_xml.appendChild(actual_t)
    
    tags = doc.createElement("tagsContainer")
    translation_xml.appendChild(tags)
    
    for tagname, tagvalue in translation.tags.items():
        name_el = doc.createElement("type")
        name_el.textContent = tagname
        value_el = doc.createElement("value")
        value_el.textContent = tagvalue
        
        tag_el = doc.createElement("tag")
        tag_el.appendChild(name_el)
        tag_el.appendChild(value_el)
        
        tags.appendChild(tag_el)
    
    return translation_xml