#This file is part of Tryton.  The COPYRIGHT file at the top level of
#txhis repository contains the full copyright notices and license terms
from trytond.pool import Pool, PoolMeta
from trytond.model import ModelView, ModelSQL, fields
from trytond.pyson import Eval, If, Bool
from trytond.exceptions import UserError
from trytond.i18n import gettext
from .exceptions import (
    InvalidNumberPurchases)

from trytond.transaction import Transaction

class Purchase(metaclass=PoolMeta):
    __name__ = 'purchase.purchase'

    equipment_available = fields.Boolean("Equipments Availables", readonly=True)

    @classmethod
    def __setup__(cls):
        super(Purchase, cls).__setup__()
        cls._buttons.update({
            'create_equipments': {
                'invisible': If(Bool(Eval('equipment_available')), True)},
        })

    @classmethod
    @ModelView.button
    def create_equipments(cls, purchases):
        if len(purchases) == 1:
            pool = Pool()
            Equipment = pool.get('optical_equipment.equipment')
            purchase = purchases[0]
            
            for line in purchase.lines:
                if line.product.equipment:
                    equipment = Equipment(
                        company=line.company,
                        equipment_type=line.product.equipment_type,
                        propietary_address=line.address_equipment,
                        product=line.product,
                        risk=line.product.risk,
                        use=line.product.use,
                        biomedical_class=line.product.biomedical_class,
                        calibration=line.product.calibration,
                        refurbish=line.refurbish,
                        serial=line.serial_equipment,
                        software_version=line.product.software_version)
                    equipment.save()
                else:
                    continue
            purchase.equipment_available = True
            cls.save(purchases)
            #raise UserError(str(purchase.equipment_available))
        else:
            raise InvalidNumberPurchases(
                gettext('purchase.msg_invalid_number_purchases'))

            
class Line(metaclass=PoolMeta):
    __name__ = 'purchase.line'

    address_equipment = fields.Many2One('party.address', "Direccion", required=True)
    serial_equipment = fields.Char("Serial", size=None, required=True)
    refurbish = fields.Boolean("Refurbish")
    
    def default_address_equipment():
        pool = Pool()
        Company = pool.get('company.company')
        company = Transaction().context.get('company')
        if company:
            company = Company(company)
            return company.party.addresses[0].id
        
    """
    @classmethod
    def view_attributes(cls):
        return super(Line, cls).view_attributes() + [
            ('//page[@id="equipment"]', 'states', {
                    'invisible': Eval('product.equipment'),
                    })]
    """