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#! -*- coding: utf-8 -*-
import logging
import hashlib
from urlparse import urlparse, parse_qs

import requests

from django.conf import settings


log = logging.getLogger(__name__)

def get_preauth_form_url(self, order):
    """ Return url with preauth form """

    m = hashlib.sha1()
    m.update('%d%d%f%s%s' % (
        settings.ARIUS_ENDPOINTID, order.id, order.amount, order.user, 
        settings.ARIUS_MERCHANT_CONTROL)
    )
    control = m.hexdigest()
    
    data = {
        'client_orderid': order.id,
        'order_desc': order.descr,
        'first_name': order.user.first_name,
        'last_name': order.user.last_name,
        'address1': order.user.address,
        'city': order.user.city,
        'zip_code': order.user.zip_code,
        'country': order.user.country,
        'phone': order.user.phone,
        'email': order.user,
        'amount': order.amount,
        'currency': settings.ARIUS_CURRENCY,
        'ipaddress': self.request.META['REMOTE_ADDR'],
        'control': control,
        'redirect_url': settings.ARIUS_REDIRECT_URL
    }

    try:
        r = requests.post('%s%s%d' % (settings.ARIUS_API_URL, 'preauth-form/', 
            settings.ARIUS_ENDPOINTID), data=data)
        response = parse_qs(r.content)
        order.serial_number = response['serial-number'][0]
        order.paynet_order_id = response['paynet-order-id'][0]
        order.status = 'PREAUTH'
        order.save()
        return response['redirect-url']
    except requests.exceptions.ConnectTimeout:
        log.error('preauth-form request failed, server is not response')
        return False

def get_transaction_status(self, order):
    """ Check transaction status """

    m = hashlib.sha1()
    m.update('%s%d%s%s' % (
        settings.ARIUS_LOGIN, order['merchant-order-id'], order['paynet-order-id'], 
        settings.ARIUS_MERCHANT_CONTROL)
    )
    control = m.hexdigest()
    
    data = {
        'login': settings.ARIUS_LOGIN,
        'client_orderid': order['merchant-order-id'],
        'orderid': order['paynet-order-id'],
        'control': control,
        'by-request-sn': order['serial-number']
    }

    try:
        r = requests.post('%s%s%d' % (settings.ARIUS_API_URL, 'status/', 
            settings.ARIUS_ENDPOINTID), data=data)
        response = parse_qs(r.content)
        order.status = 'APPROVED'
        order.save()
        return response['status'][0]
    except requests.exceptions.ConnectTimeout:
        log.error('status request failed, server is not response')
        return False

def register_card(self, order):
    """ Get card refference """

    m = hashlib.sha1()
    m.update('%s%d%s%s' % (
        settings.ARIUS_LOGIN, order['merchant-order-id'], order['paynet-order-id'], 
        settings.ARIUS_MERCHANT_CONTROL)
    )
    control = m.hexdigest()
    
    data = {
        'login': settings.ARIUS_LOGIN,
        'client_orderid': order['merchant-order-id'],
        'orderid': order['paynet-order-id'],
        'control': control
    }

    try:
        r = requests.post('%s%s%d' % (settings.ARIUS_API_URL, 'create-card-ref/', 
            settings.ARIUS_ENDPOINTID), data=data)
        response = parse_qs(r.content)
        if response['status'][0] == 'approved':
            user.card_ref_id = response['card-ref-id'][0]
            user.save()
            return user.card_ref_id
        else:
            log.error('Error during register card. Error code: %s, Error message: %s' % 
                (response['error-code'][0], response['error-message'][0]))
            return False
    except requests.exceptions.ConnectTimeout:
        log.error('create-card-ref request failed, server is not response')
        return False