# This file is part of Tryton.  The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
from trytond.model import ModelSQL, ValueMixin, fields
from trytond.pool import Pool, PoolMeta

stock_journal = fields.Many2One(
    'account.journal', "Stock Journal", required=True)

stock_fx_trigger = fields.Selection([
            ('reception', 'Reception'),
            ('invoice', 'First invoice'),
            ('payment', 'Up to payment'),
            ], 'Fx stock revaluation', required=True)

stock_fx_forex = fields.Selection([
            ('forex', 'Fixed with forex'),
            ('spot', 'Spot'),
            ], 'stock rate valuation', required=True)

class Configuration(metaclass=PoolMeta):
    __name__ = 'account.configuration'
    stock_journal = fields.MultiValue(stock_journal)
    stock_fx_trigger = stock_fx_trigger
    stock_fx_forex = stock_fx_forex

    @classmethod
    def default_stock_journal(cls, **pattern):
        return cls.multivalue_model('stock_journal').default_stock_journal()
    

class ConfigurationStockJournal(ModelSQL, ValueMixin):
    "Account Configuration Stock Journal"
    __name__ = 'account.configuration.stock_journal'
    stock_journal = stock_journal
    stock_fx_trigger = stock_fx_trigger
    stock_fx_forex = stock_fx_forex

    @classmethod
    def default_stock_fx_trigger(cls):
        return 'invoice'

    @classmethod
    def default_stock_fx_forex(cls):
        return 'spot'
    
    @classmethod
    def default_stock_journal(cls):
        pool = Pool()
        ModelData = pool.get('ir.model.data')
        try:
            return ModelData.get_id('account', 'journal_stock')
        except KeyError:
            return None


class FiscalYear(metaclass=PoolMeta):
    __name__ = 'account.fiscalyear'
    account_stock_method = fields.Selection([
            (None, 'None'),
            ('continental', 'Continental'),
            ], 'Account Stock Method')


class AccountMove(metaclass=PoolMeta):
    __name__ = 'account.move'

    @classmethod
    def _get_origin(cls):
        return super(AccountMove, cls)._get_origin() + ['stock.move',
            'product.product', 'product.template']