# -*- coding: utf-8 -*-
# This file is part of the cashbook-module from m-ds for Tryton.
# The COPYRIGHT file at the top level of this repository contains the
# full copyright notices and license terms.

from trytond.model import ModelView, fields
from trytond.wizard import Wizard, StateView, StateReport
from trytond.pool import Pool
from trytond.transaction import Transaction


sel_edocument = [
    ('edocument.xrechnung.invoice', 'XRechnung UBL Invoice 2.1.1'),
    ('edocument.uncefact.invoice', 'CII CrossIndustryInvoice D16B'),
    ]


class RunXRechnungReportStart(ModelView):
    'eDocument Report'
    __name__ = 'account_invoice_xrechnung.runrep.start'

    invoice = fields.Many2One(string='Invoice', readonly=True,
        model_name='account.invoice', required=True)
    edocument = fields.Selection(string='eDocument', required=True,
        selection=sel_edocument)

    @classmethod
    def default_edocument(cls):
        """ default xrechnung
        """
        return 'edocument.xrechnung.invoice'

# end RunXRechnungReportStart


class RunXRechnungReport(Wizard):
    'eDocument Report'
    __name__ = 'account_invoice_xrechnung.runrep'

    start_state = 'open_'
    export = StateReport('account_invoice_xrechnung.export')
    open_ = StateView(
        model_name='account_invoice_xrechnung.runrep.start',
        view='account_invoice_xrechnung.wiz_start_form',
        buttons=[
            Button(string='Cancel', state='cleanup', icon='tryton-cancel'),
            Button(string='Export', state='export', icon='tryton-export'),
            ],
        )

    def default_open_(self):
        """ set defaults
        """
        context = Transaction().context

        result = {
            'edocument': 'edocument.xrechnung.invoice',
            'invoice': context.get('active_id', -1),
            }
        return result

    def do_export(self, action):
        """ run form
        """
        pool = Pool()
        Invoice = pool.get('account.invoice')
        EDocument = pool.get('edocument.xrechnung.invoice')
        context = Transaction().context

        invoice, = Invoice.browse([context.get('active_id', -1)])
        template = EDocument(invoice)
        invoice_string = template.render('XRechnung-2.2')
        print('\n## invoice_string:', invoice_string.decode('utf8'))
        with open('x-rechnung.xml', 'wt') as fhdl:
            fhdl.write(invoice_string.decode('utf8'))

        return action, {}

# end RunXRechnungReport