# Copyright 2018-Today datenpol gmbh (<http://www.datenpol.at>)
# License OPL-1 or later (https://www.odoo.com/documentation/user/11.0/legal/licenses/licenses.html#licenses).

from odoo import api, fields, models, _
from odoo.exceptions import ValidationError


class WizardTzIc(models.TransientModel):
    _name = 'wizard.tz.ic'
    _description = 'Generiere IC-Rechnung'

    new_pg_ic_num = fields.Char()

    @api.multi
    def button_tz_ic(self):
        if not self.new_pg_ic_num:
            raise ValidationError(_("Keine IC-Nummer angegeben"))
        inv = self.env['account.invoice']
        ck_ivc = inv.search([('pg_ic_num', '=', self.new_pg_ic_num), ('pg_ic_flag', '=', True)], order='id ASC',
                             limit=1)
        if ck_ivc:
            info = 'IC-Nummer bereits bei folgenden Rechnungen vergegeben!'
            for ivc in ck_ivc:
                info += '\n %s' % ivc.number
            raise ValidationError(_(info))
        for wizard in self:
            error_at_ivc = False
            info = 'Bitte prüfen Sie den Status folgender Rechnungen:'
            active_ids = self.env.context.get('active_ids', [])
            ivcs = self.env['account.invoice'].browse(active_ids)
            if ivcs.exists():
                for ivc in ivcs:
                    if not ivc.charge_further or ivc.pg_ic_flag or (ivc.state in ['draft','cancel']):
                        info += '\n %s, WV=%s / IC_Flag=%s / Status=%s' % (ivc.number,ivc.charge_further,ivc.pg_ic_flag,ivc.state)
                        error_at_ivc = True
                    else:
                        ivc.pg_ic_num = self.new_pg_ic_num
            if error_at_ivc:
                raise ValidationError(_(info))
            action = self.env.ref('account.action_invoice_tree').read()[0]
            action['domain'] = [('id', 'in', active_ids)]
            return action