# -*- coding: utf-8 -*-
from openerp import models, fields, tools, api, _
## date
from openerp.tools import DEFAULT_SERVER_DATETIME_FORMAT, DEFAULT_SERVER_DATE_FORMAT
from pytz import timezone
from datetime import datetime,timedelta
## logging
import logging
_logger = logging.getLogger(__name__)


class EiruAccountInterest(models.Model):
    _inherit = 'account.interest'

    '''
        timezone
    '''
    def get_timezone(self):
        return timezone(self._context.get('tz') or self.env.user.tz)
    '''
        Datetime
    '''
    def get_datetime(self):
        return datetime.now(self.get_timezone()).strftime(DEFAULT_SERVER_DATETIME_FORMAT)
    '''
        Date
    '''
    def get_date(self):
        return datetime.now(self.get_timezone()).strftime(DEFAULT_SERVER_DATE_FORMAT)
    '''
        Convert Str --> Datetime
    '''
    def _convert_str_to_datetime(self, date):
        return datetime.strptime(date,DEFAULT_SERVER_DATE_FORMAT)

    '''
        GET Account Interest
    '''
    @api.model
    def get_account_interest(self, id):
        return [{
            'id': interest.id,
            'name': interest.name,
            'state': interest.state,
            'invoiceId': interest.invoice_id.id,
            'customer': [{
                'id': partner.id,
                'name': partner.name,
            } for partner in self.env['res.partner'].browse(interest.customer_id.id)],
            'currency': [{
                'id': currency.id,
                'symbol': currency.symbol,
                'rate': currency.rate,
                'thousandsSeparator': currency.thousands_separator,
                'decimalSeparator': currency.decimal_separator,
                'decimalPlaces': currency.decimal_places,
                'position': currency.position,
            } for currency in self.env['res.currency'].browse(interest.currency_id.id)]
        }for interest in self.env['account.interest'].browse(id)]

    '''
        get Account Invoice
    '''
    @api.model
    def get_account_invoice_interest(self, invoice=None, partner=None):
        _logger.info('Verify invoice')
        domain = [('state', '=', 'open')]

        if (invoice):
            domain.append(('id', '=', invoice))
        if (partner):
            domain.append(('partner_id.id', '=', partner))

        accountInvoice = self.env['account.invoice'].search(domain)
        for invoice in accountInvoice:
            self.get_move_line_in_invoice(invoice.id)

    '''
        Get move Line.
    '''
    def get_move_line_in_invoice(self, invoice):
        _logger.info('Get Move Line')
        accountInvoice = self.env['account.invoice'].browse(invoice)

        dateServer = self._convert_str_to_datetime(self.get_date())

        domain = [('state','!=','draft'), ('credit','<=', 0), ('partner_id','=',accountInvoice.partner_id.id),('invoice','=',accountInvoice.id)]
        for line in self.env['account.move.line'].search(domain):
            expiredDays = dateServer - self._convert_str_to_datetime(line.date_maturity)
            if ((line.amount_residual <= 0) or (expiredDays.days <= 0)):
                continue

            ''' verify account.interest '''
            accountInterest = self.eiru_create_account_interest(accountInvoice.id)

            ''' verify account.interest.line '''
            interrstLine = self.eiru_create_account_interest_lines(accountInvoice.id, accountInterest.id, line.id, expiredDays.days)

    '''
        Create Account Interest
    '''
    def eiru_create_account_interest(self, invoiceId):
        _logger.info('Verify account interest')
        accountInvoice = self.env['account.invoice'].browse(invoiceId)

        domain = [('invoice_id', '=', accountInvoice.id),('customer_id.id', '=', accountInvoice.partner_id.id)]
        accountInterest = self.env['account.interest'].search(domain)

        dateServer = self.get_date()

        if (not accountInterest):
            accountInterest = self.env['account.interest'].create({
                'invoice_id': accountInvoice.id,
                'customer_id': accountInvoice.partner_id.id,
                'date': dateServer,
                'currency_id': accountInvoice.currency_id.id,
                'reference': accountInvoice.number,
            })

        return accountInterest

    '''
        create / write
    '''
    def eiru_create_account_interest_lines(self, invoiceId, interestID, moveId, expiredDays):
        _logger.info('Verify account interest Line')
        decimal_precision = self.env['decimal.precision'].precision_get('Account')
        accountInvoice = self.env['account.invoice'].browse(invoiceId)
        accountInterest = self.env['account.interest'].browse(interestID)
        moveLine = self.env['account.move.line'].browse(moveId)
        interestConfig = self.env['account.interest.config'].search([('active', '=', True)])
        interestLine = self.env['account.interest.line'].search([('interest_id.id', '=', accountInterest.id),('move_line_id.id', '=',moveLine.id)])

        decimalPlaces = accountInvoice.currency_id.decimal_places
        if (not decimalPlaces):
            decimalPlaces = 0

        amount = (moveLine.amount_currency or moveLine.debit or 0.0)
        amount_residual = (moveLine.amount_residual_currency or moveLine.amount_residual or 0.0)

        line = {
            'move_line_id': moveLine.id,
            'amount': round(amount, decimalPlaces),
            'date_maturity': moveLine.date_maturity,
            'expired_days': expiredDays,
            'amount_residual': round(amount_residual,decimalPlaces),
            'amount_interest': round((expiredDays * (amount_residual * (interestConfig.interest_rate / 100))),decimalPlaces),
            'interest_id': accountInterest.id
        }

        if (not interestLine):
            return interestLine.create(line)

        return interestLine.write(line)

    '''    ____                _         ___                 _
          / ___|_ __ ___  __ _| |_ ___  |_ _|_ ____   _____ (_) ___ ___
         | |   | '__/ _ \/ _` | __/ _ \  | || '_ \ \ / / _ \| |/ __/ _ \
         | |___| | |  __/ (_| | ||  __/  | || | | \ V / (_) | | (_|  __/
          \____|_|  \___|\__,_|\__\___| |___|_| |_|\_/ \___/|_|\___\___|
    '''
    @api.model
    def create_account_invoice_interest(self, id, interestLine):
        _logger.info('Create invoice interest')
        accountInterest = self.env['account.interest'].browse(id)
        if (not accountInterest):
            return {
                'state': False,
                'message': 'Error en obtener el registro de interés'
            }
        interestConfig = self.env['account.interest.config'].search([('active', '=', True)])
        if (not interestConfig):
            return {
                'state': False,
                'message': 'Error en obtener Configuración de interés'
            }
        decimal_precision = self.env['decimal.precision'].precision_get('Account')
        dateServer = self.get_date()

        invoice_line = []
        for line in interestLine:
            accountInterestLine = self.env['account.interest.line'].browse(line['id'])
            descrip= "Deuda vencida al %s, días atrasados %d" % (accountInterestLine.date_maturity, accountInterestLine.expired_days)

            if (line['discount'] > 0):
                descrip = descrip+" Descuento %d" % (line['discount'])

            if (accountInterestLine):
                invoice_line.append([0,False, {
                    'name': descrip,
                    'account_id': interestConfig.line_account_id.id,
                    'quantity': 1,
                    'price_unit': round((accountInterestLine.amount_interest - line['discount']),decimal_precision),
                    'price_subtotal': round((accountInterestLine.amount_interest - line['discount']),decimal_precision),
                    'partner_id': accountInterest.customer_id.id,
                    'invoice_line_tax_id': [(6, 0,[x.id for x in interestConfig.line_tax_id])],
                }])

        invoice = {
            'partner_id': accountInterest.customer_id.id,
            'currency_id': accountInterest.currency_id.id,
            'date_invoice': dateServer,
            'journal_id': interestConfig.invoice_journal_id.id,
            'account_id': interestConfig.invoice_account_id.id,
            'invoice_line': invoice_line,
        }

        accountInvoice = self.env['account.invoice'].create(invoice)
        accountInvoice.signal_workflow('invoice_open')
        for line in interestLine:
            accountInterestLine = self.env['account.interest.line'].browse(line['id'])
            if (accountInterestLine):
                accountInterestLine.write({
                    'invoice': accountInvoice.id,
                    'reference':  accountInvoice.number,
                    'state': 'invoiced'
                })

        return {
            'state': True,
            'message': 'Operación exitosa'
        }