# -*- coding: utf-8 -*-
# !/usr/bin/env python

import logging

import simplejson as json
from django.conf import settings

from apilib.utils_json import JsonResponse
from apps.web.agent.models import Agent
from apps.web.constant import APP_TYPE, AppPlatformType
from apps.web.core.models import BoundOpenInfo
from apps.web.helpers import get_wechat_auth_bridge
from apps.web.user.models import MyUser
from apps.web.utils import get_client_ip
from library.wechatpy.utils import WXBizDataCrypt
from middlewares.django_jwt_session_auth import jwt_login

logger = logging.getLogger(__name__)


def login(request):
    try:
        ip = get_client_ip(request)

        logger.debug("user<ip={}> login. ".format(ip))

        payload = json.loads(request.body)

        code = payload.get('code')
        app_id = payload.get('appId', None)

        agent = Agent.objects().filter(wechatMiniApp__appid = app_id, customizedWechatMiniAllowable = True).first()

        auth_bridge = get_wechat_auth_bridge(agent, APP_TYPE.WECHAT_MINI_AUTH)
        session_info = auth_bridge.jscode2session(js_code = code)

        encrypted_data = payload.get('encryptedData', None)
        iv = payload.get('iv', None)
        if not encrypted_data:
            openId = session_info['openid']
            payload = {
                'authAppId': app_id,
                'managerialAppId': auth_bridge.appid,
                'managerialOpenId': openId,
                'payOpenId': openId,
                'agentId': str(agent.id),
                'productAgentId': str(agent.id)
            }
            user = MyUser.get_or_create(app_platform_type = AppPlatformType.WECHAT_MINI,
                                        open_id = openId, **payload)
        else:
            session_key = session_info.get('session_key')

            crypt = WXBizDataCrypt(app_id, session_key)
            user_info = crypt.decrypt(encrypted_data, iv)

            openId = session_info['openid']
            payload = {
                'sex': int(user_info['gender']),
                'city': user_info['city'],
                'province': user_info['province'],
                'country': user_info['country'],
                'avatar': user_info['avatarUrl'],
                'nickname': user_info['nickName'],
                'authAppId': app_id,
                'managerialAppId': auth_bridge.appid,
                'managerialOpenId': openId,
                'payOpenId': openId,
                'agentId': str(agent.id),
                'productAgentId': str(agent.id)
            }

            user = MyUser.get_or_create(app_platform_type = AppPlatformType.WECHAT_MINI,
                                        open_id = openId, **payload)

        token = jwt_login(settings.SERVICE_DOMAIN.MINI_WECHAT, user, request, 3600 * 7)

        logger.debug('{} to login in wechat mini with token<{}>.'.format(repr(user), token))

        return JsonResponse({'result': 1, 'description': '', 'payload': {'token': token}})
    except Exception, e:
        logger.error(e)
        return JsonResponse({'result': 0, 'description': u'登录失败', 'payload': {}})