import time
import functools
import base64
from json import *

from odoo import http, fields
from odoo.http import request
from . import WXBizMsgCrypt
from werkzeug.exceptions import abort
import xml.etree.cElementTree as Et
import requests as req

import logging
from lxml import etree


_logger = logging.getLogger(__name__)


def wechat_login(func):
    """
    用来根据userid取得合作伙伴的id
    :return:
    """

    @functools.wraps(func)
    def wrapper(*args, **kw):
        # now_time = time.time()
        # request.session['session_time'] = time.time()
        # if 'session_time' not in request.session:
        #     request.session['session_time'] = 1
        # if now_time > request.session['session_time'] + 350:
        _logger.info(u"没进来之前的kw值为%s" % JSONEncoder().encode(kw))
        # if not request.session['login'] or not request.session['login'] or request.session[
        #     'login'] == "public":
        enterprise, agent_id = request.env['we.config'].sudo().get_odoo_wechat()
        if enterprise and agent_id:
            if 'code' in kw and 'state' in kw:  # 检查是否取得了code
                if 'kw' in request.session.keys():
                    _logger.info('code:%s' % kw['code'])
                    account = enterprise.oauth.get_user_info(code=kw['code'])
                    _logger.info('account:%s' % account)
                    if account:  # 是否取得了微信企业号通讯录的账号
                        user_detail = enterprise.user.get_detail(account['user_ticket'])
                        _logger.info('user_detail:%s' % user_detail)
                        request.env['we.employee'].we_privacy_update(user_detail)
                        user = request.env['res.users'].sudo().search(
                            [('we_employee_id', '=', account['UserId'])])
                        _logger.info('user:%s' % user)
                        if user:  # 是否取得了用户
                            if 'state' in kw:
                                state = base64.b64encode(kw['state'].encode('utf-8')).decode()
                                kw['state'] = state
                            uid = request.session.authenticate(request.session.db, user.login,
                                                               account['UserId'])
                            kw['user_id'] = uid
                            request.session['session_time'] = time.time()
                            request.session['login'] = user.login

                            _logger.info(u"进来之后的kw值为%s" % kw)
                            return func(*args, **kw)
                        else:
                            _logger.warning(u'用户不存在.')
                            return request.render('sg_wechat_enterprise.wechat_warning',
                                                  {'title': u'警告', 'content': u'该员工的未配置登录用户.'})
                    else:
                        _logger.warning(u'微信企业号验证失败.')
                        return request.render('sg_wechat_enterprise.wechat_warning',
                                              {'title': u'警告', 'content': u'微信企业号验证失败.'})
                else:
                    # 返回时候进入的地方
                    del kw['code']
                    del kw['state']
                    request.session['kw'] = base64.b64encode(JSONEncoder().encode(kw).encode('utf-8')).decode()
                    if len(kw) == 0:
                        base_url = request.httprequest.base_url
                    else:
                        base_url = request.httprequest.base_url + '?'
                        for item, value in kw.items():
                            base_url += item + '=' + value + "&"
                        base_url = base_url[: -1]

                    url = enterprise.oauth.authorize_url(base_url,
                                                         state=base64.b64encode(
                                                             JSONEncoder().encode(kw).encode('utf-8')).decode(),
                                                         agent_id=agent_id,
                                                         scope='snsapi_privateinfo')
                    _logger.warning(u"这是授权的url:" + url)
                    value = {"url": url}
                    return request.render("sg_wechat_enterprise.Transfer", value)
            else:  # 开始微信企业号登录认证
                request.session['kw'] = base64.b64encode(JSONEncoder().encode(kw).encode('utf-8')).decode()

                if len(kw) == 0:
                    base_url = request.httprequest.base_url
                else:
                    base_url = request.httprequest.base_url + '?'
                    for item, value in kw.items():
                        base_url += item + '=' + value + "&"
                    base_url = base_url[: -1]
                url = enterprise.oauth.authorize_url(base_url,
                                                     state=base64.b64encode(
                                                         JSONEncoder().encode(kw).encode('utf-8')).decode(),
                                                     agent_id=agent_id,
                                                     scope='snsapi_privateinfo'
                                                     )
                _logger.warning(u"这是授权的url:" + url)
                value = {"url": url}
                return request.render("sg_wechat_enterprise.Transfer", value)
        else:
            _logger.warning(u'微信企业号初始化失败.')
            return request.render('sg_wechat_enterprise.wechat_warning',
                                  {'title': u'警告', 'content': u'微信企业号初始化失败.'})

        # return func(*args, **kw)

    return wrapper


class WechatEnterprise(http.Controller):
    """
   用于接收微信发过来的任何消息，并转发给相应的业务类进行处理
   """
    __check_str = 'NDOEHNDSY#$_@$JFDK:Q{!'
    BASE_URL = '/we'

    @wechat_login
    @http.route(BASE_URL + '/auth', type='http', auth='none')
    def auth(self, *args, **kw):
        """
        企业微信免登认证
        """
        try:
            # user_id = (request.session['uid'])
            redirect1 = kw['redirect'] if 'redirect' in kw else None
            uid = kw['user_id'] if 'redirect' in kw else None
            _logger.info('user_id %s', uid)
            if uid is not False:
                request.params['login_success'] = True
                if not redirect1:
                    redirect1 = '/web'
                redirect1 = redirect1.replace('-', '&').replace('?', '#')
                logging.info('url:%s' % redirect1)
                return request.redirect(redirect1)
        except Exception as ex:
            _logger.error('无有效的登录凭证.')
            _logger.warning('auth exceptions:%s' % ex)
            return request.render('sg_wechat_enterprise.wechat_warning',
                                  {'title': u'警告', 'content': u'无有效的登录凭证.'})

    @http.route('/WechatEnterprise/<string:code>/api', type='http', auth="public", methods=["GET", "POST"], csrf=False)
    def process(self, code, **kwargs):
        """
        处理从微信服务器发送过来的请求
        :param code: 自定义代码
        :param kwargs: 包含 (msg_signature, timestamp, nonce, echostr) 等参数
        :return:
        """
        _logger.info(u'处理从微信服务器发送过来的请求code: %s, kwargs: %s' % (code, kwargs))
        app_id = request.env['we.app'].sudo().search([('code', '=', code)], limit=1)
        if not app_id:
            _logger.warning(u'Can not find wechat app by code: {code}')
            abort(403)
        corp_id = app_id.enterprise_id
        we_chat_cpt = WXBizMsgCrypt.WXBizMsgCrypt(app_id.Token, app_id.EncodingAESKey, corp_id.corp_id)
        signature, timestamp, nonce = kwargs['msg_signature'], kwargs['timestamp'], kwargs['nonce']
        if kwargs.get('echostr'):
            echo_string = kwargs['echostr']
            sort_list = [app_id.Token, timestamp, nonce, echo_string]
            if request.env['we.tools'].sudo(). \
                    check_message_signature(message_list=sort_list, msg_signature=signature):
                ret, signature_echo_string = we_chat_cpt.VerifyURL(signature, timestamp, nonce, echo_string)
                if ret == 0:
                    return str(signature_echo_string, encoding="utf8")
        body_text = request.httprequest.data
        ret, signature_message = we_chat_cpt.DecryptMsg(body_text, signature, timestamp, nonce)
        xml_tree = Et.fromstring(signature_message)
        if len(xml_tree.findall("SuiteId")) > 0:
            return "success"
        if len(xml_tree.find("ApprovalInfo")) > 0:
            xmlstr = etree.fromstring(signature_message)
            # data = xml2json_from_elementtree(xmlstr)
            return request.env['we.receive.message'].sudo().sys_approval_change(xml_tree.find("ApprovalInfo"))
        data = {
            'MsgType': xml_tree.find("MsgType").text,
            # 'AgentID': xml_tree.find("AgentID").text,
            'ToUserName': xml_tree.find("ToUserName").text,
            'FromUserName': xml_tree.find("FromUserName").text,
            'CreateTime': xml_tree.find("CreateTime").text
        }
        if xml_tree.find("AgentID") != None:
            data['AgentID'] = xml_tree.find("AgentID").text
        if data["MsgType"] == "text":
            data["Content"] = xml_tree.find("Content").text
            data["MsgId"] = xml_tree.find("MsgId").text
        if data["MsgType"] == "image":
            data["PicUrl"] = xml_tree.find("PicUrl").text
            data["MediaId"] = xml_tree.find("MediaId").text
            data["MsgId"] = xml_tree.find("MsgId").text
        if data["MsgType"] == "voice":
            data["MediaId"] = xml_tree.find("MediaId").text
            data["Format"] = xml_tree.find("Format").text
            data["MsgId"] = xml_tree.find("MsgId").text
        if data["MsgType"] == "video" or data["MsgType"] == "shortvideo":
            data["MediaId"] = xml_tree.find("MediaId").text
            data["ThumbMediaId"] = xml_tree.find("ThumbMediaId").text
            data["MsgId"] = xml_tree.find("MsgId").text
        if data["MsgType"] == "location":
            data["Location_X"] = xml_tree.find("Location_X").text
            data["Location_Y"] = xml_tree.find("Location_Y").text
            data["Scale"] = xml_tree.find("Scale").text
            data["Label"] = xml_tree.find("Label").text
            data["MsgId"] = xml_tree.find("MsgId").text
        if data["MsgType"] == "link":
            data["Title"] = xml_tree.find("Title").text
            data["Description"] = xml_tree.find("Description").text
            data["PicUrl"] = xml_tree.find("PicUrl").text
            data["MsgId"] = xml_tree.find("MsgId").text
        if data["MsgType"] == "event":
            if xml_tree.find("Event") == "subscribe" or xml_tree.find("Event") == "unsubscribe":
                data["Event"] = xml_tree.find("Event").text
            else:
                ret, signature_message = we_chat_cpt.EncryptMsg(signature_message, nonce, timestamp)
                return signature_message
        request.env['we.receive.message'].sudo().process_message(data)
        return ''

    @http.route('/WechatEnterprise/transfer', type='http', auth="public", methods=["POST", "GET"], csrf=False)
    def transfer(self, url):
        value = {"url": url}
        return request.render('sg_wechat_enterprise.Transfer', value)