import npyscreen

class financial_data_model():
    def __init__(self, financial_data_dict):
        self.financial_data_dict = financial_data_dict
        self.forms = {}

    def add_edit_fields(self, form):
        fin = self.financial_data_dict
        self.forms['iban'] = form.add(npyscreen.TitleText, name="IBAN: ", value=fin['iban'])
        self.forms['bic'] = form.add(npyscreen.TitleText, name="BIC: ", value=fin['bic'])
        self.forms['holder'] = form.add(npyscreen.TitleText, name="Kontoinhaber: ", value=fin['holder'])
        self.forms['issuance'] = form.add(npyscreen.TitleText, name="Tag der Erteilung Lastschriftmandat: ",
              value=fin['issuance'])
        self.forms['reference'] = form.add(npyscreen.TitleText, name="Mandatsreferenznummer: ",
              value=fin['reference'])
        self.forms['scan-sepa-mandate'] = form.add(npyscreen.TitleText, name="URI Scan SEPA-Mandat: ",
              value=fin['scan-sepa-mandate'])

    def get_form_values_dict(self):
        financial_data_model = dict(zip(self.forms.keys(), map(lambda f: f.value, self.forms.values())))
        return financial_data_model

    def has_changed(self):
        return self.financial_data_dict != self.get_form_values_dict()