# -*- 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.pool import PoolMeta, Pool
from trytond.i18n import gettext
from decimal import Decimal


class InvestmentEvaluation(metaclass=PoolMeta):
    __name__ = 'cashbook_report.evaluation'

    @classmethod
    def get_sel_etype(cls):
        """ get list of evaluation-types
        """
        result = super(InvestmentEvaluation, cls).get_sel_etype()
        result.extend([
            ('cashbooks_gldiff', gettext('cashbook_report.msg_dtype_cashbook_gldiff')),
            ('cashbooks_glperc', gettext('cashbook_report.msg_dtype_cashbook_glperc')),
            ('cashbooks_glvalue', gettext('cashbook_report.msg_dtype_cashbooks_glvalue'))
            ])
        return result

# end InvestmentEvaluation


class InvestmentLine(metaclass=PoolMeta):
    __name__ = 'cashbook_report.eval_line'

    def get_value_cashbooks_gldiff(self):
        """ amount of profit/loss of cashbooks
        """
        Currency = Pool().get('currency.currency')

        if self.cashbook:
            if self.cashbook.feature == 'asset':
                exp = Decimal(Decimal(1) / 10 ** self.currency_digits)
                return Currency.compute(
                        self.cashbook.currency,
                        self.cashbook.diff_amount,
                        self.eval_currency,
                    ).quantize(exp)

    def get_value_cashbooks_glvalue(self):
        """ current value of cashbooks
        """
        Currency = Pool().get('currency.currency')

        if self.cashbook:
            if self.cashbook.feature == 'asset':
                exp = Decimal(Decimal(1) / 10 ** self.currency_digits)
                return Currency.compute(
                        self.cashbook.currency,
                        self.cashbook.current_value,
                        self.eval_currency,
                    ).quantize(exp)

    def get_value_cashbooks_glperc(self):
        """ percent of profit/loss of cashbooks
        """
        if self.cashbook:
            if self.cashbook.feature == 'asset':
                return self.cashbook.diff_percent

# end InvestmentLine