from django.views.decorators.csrf import csrf_exempt
from django.core import serializers
import traceback
from Service.ModelService import ModelService
from Model.models import Device_User, Device_Info
from Service.CommonService import CommonService
import simplejson as json
from Object.TokenObject import TokenObject
from Object.ResponseObject import ResponseObject
import re


def addNewUserEquipment(userID, deviceContent, response):
    userIDValid = Device_User.objects.filter(userID=userID)
    if userIDValid:
        try:
            try:
                deviceData = json.loads(deviceContent)
            except Exception as e:
                return response.json(803, repr(e))
            else:
                UID = deviceData.get('UID', None)
                if UID != None:
                    # is_bind = Device_Info.objects.filter(UID=UID, isShare=False)
                    # if is_bind:
                    #     return response.json(175)
                    dValid = Device_Info.objects.filter(userID=userID, UID=UID)
                    if dValid:
                        return response.json(174)
                    else:
                        if 'NickName' in deviceData:
                            nValid = Device_Info.objects.filter(userID=userID, NickName=deviceData['NickName'])
                            if nValid.exists():
                                return response.json(179)
                        UID = deviceData['UID']
                        re_uid = re.compile(r'^[A-Za-z0-9]{20}$')
                        if re_uid.match(UID):
                            userDevice = Device_Info(id=CommonService.getUserID(getUser=False), userID_id=userID,
                                                 **deviceData)
                            userDevice.save()
                        else:
                            return response.json(180)
                else:
                    return response.json(806)

        except Exception as e:
            errorInfo = traceback.format_exc()
            print('添加设备错误: %s ' % errorInfo)
            return response.json(178, repr(e))
        else:
            sqlJSON = serializers.serialize('json', [userDevice])
            sqlList = json.loads(sqlJSON)
            sqlDict = dict(zip(["datas"], [sqlList]))
            return response.json(0, sqlDict)
    else:
        return response.json(113)


def delUserEquipment(userID, id, response):
    try:
        deviceValid = Device_Info.objects.filter(userID_id=userID, id=id)
    except Exception as e:
        errorInfo = traceback.format_exc()
        print('查询数据库错误: %s' % errorInfo)
        return response.json(500, repr(e))
    else:
        if deviceValid:
            try:
                Device_Info.objects.filter(userID_id=userID, id=id).delete()
            except Exception as e:
                errorInfo = traceback.format_exc()
                print('删除数据库记录错误: %s' % errorInfo)
                return response.json(176, repr(e))
            else:
                return response.json(0)
        else:
            UserValid = Device_User.objects.filter(userID=userID)
            if UserValid.exists():
                return response.json(172)
            else:
                return response.json(113)


def modifyUserEquipment(userID, deviceContent, id, response):
    try:
        deviceValid = Device_Info.objects.filter(userID_id=userID, id=id)
    except Exception as e:
        errorInfo = traceback.format_exc()
        print('查询数据库错误: %s' % errorInfo)
        return response.json(500, repr(e))
    else:
        if deviceValid:
            deviceData = json.loads(deviceContent)
            try:
                userDevice = Device_Info.objects.filter(userID_id=userID, id=id).update(**deviceData)
            except Exception as e:
                errorInfo = traceback.format_exc()
                print('修改设备信息错误: %s ' % errorInfo)
                return response.json(177, repr(e))
            else:
                qs = Device_Info.objects.filter(userID_id=userID, id=id)
                res = CommonService.qs_to_dict(qs)
                return response.json(0, res)
        else:
            UserValid = Device_User.objects.filter(userID=userID)
            if UserValid.exists():
                return response.json(172)
            else:
                return response.json(113)


def showAllUserEquipment(userID, response):
    try:
        userValid = Device_User.objects.filter(userID=userID).order_by('-data_joined')
    except Exception as e:
        errorInfo = traceback.format_exc()
        print('查询数据库错误: %s' % errorInfo)
        return response.json(500, repr(e))

    else:
        if userValid.exists():
            # own_permission = ModelService.check_permission(userID=userID,permID=30)
            if userValid[0].is_superuser != 100 and userValid[0].is_superuser != 1:
                return response.json(612)
            else:
                qs = Device_Info.objects.all()
                res = CommonService.qs_to_dict(qs)
                return response.json(0, res)
        else:
            return response.json(113)


def showAllUserEquipmentPC(userID, fieldDict, response):
    try:
        user_valid = Device_User.objects.filter(userID=userID).order_by('-data_joined')
    except Exception as e:
        errorInfo = traceback.format_exc()
        print('查询数据库错误: %s' % errorInfo)
        return response.json(500, repr(e))
    else:
        if user_valid:
            own_permission = ModelService.check_permission(userID=userID, permID=30)
            if own_permission:
                page = int(fieldDict['page'])
                line = int(fieldDict['line'])
                device_info_query_set = Device_Info.objects.all()
                device_info_count = device_info_query_set.count()
                device_info_res = device_info_query_set[(page - 1) * line:page * line]
                sqlDict = CommonService.qs_to_dict(query_set=device_info_res)
                sqlDict['count'] = device_info_count
                return response.json(0, sqlDict)
            else:
                return response.json(612)
        else:
            return response.json(113)


def findEquipmentInfo(content, type, fieldDict):
    if type == 1:
        Device_Info_QuerySet = Device_Info.objects.all()
    if type == 2:
        searchCondition = content
        kwargs = CommonService.get_kwargs(data=searchCondition)
        Device_Info_QuerySet = Device_Info.objects.filter(**kwargs)
    page = int(fieldDict['page'])
    line = int(fieldDict['line'])
    device_info_count = Device_Info_QuerySet.count()
    res = Device_Info_QuerySet[(page - 1) * line:page * line]
    send_dict = CommonService.qs_to_dict(query_set=res)
    for k, v in enumerate(send_dict["datas"]):
        for val in res:
            if v['pk'] == val.id:
                username = ModelService.get_user_name(send_dict["datas"][k]['fields']['userID'])
                send_dict["datas"][k]['fields']['username'] = username
                primary = ModelService.get_user_name(send_dict["datas"][k]['fields']['primaryUserID'])
                send_dict["datas"][k]['fields']['primaryusername'] = primary
    send_dict['count'] = device_info_count
    return send_dict


@csrf_exempt
def queryUserEquipmentInterface(request, *callback_args,
                                **callback_kwargs):
    '''
    查询用户设备
    :param request:
    :param callback_args:
    :param callback_kwargs:
    :return:
    '''
    response = ResponseObject()
    if request.method == 'POST':
        request.encoding = 'utf-8'
        token = request.POST.get('token', None)
    elif request.method == 'GET':
        request.encoding = 'gb2312'
        token = request.GET.get('token', None)
    else:
        return response.json(801)
    if token is not None:
        tko = TokenObject(token)
        tko.valid()
        response.lang = tko.lang
        if tko.code == 0:
            userID = tko.userID
            if userID is not None:
                try:
                    deviceValid = Device_Info.objects.filter(userID_id=userID)
                except Exception as e:
                    errorInfo = traceback.format_exc()
                    print('查询数据库错误: %s' % errorInfo)
                    return response.json(500, repr(e))
                else:
                    if deviceValid.exists():
                        res = CommonService.qs_to_dict(deviceValid)
                        return response.json(0, res)
                    else:
                        UserValid = Device_User.objects.filter(userID=userID)
                        if UserValid.exists():
                            return response.json(172)
                        else:
                            return response.json(113)
            else:
                return response.json(309)
        else:
            return response.json(tko.code)
    else:
        return response.json(800)


@csrf_exempt
def addNewUserEquipmentInterface(request, *callback_args,
                                 **callback_kwargs):
    response = ResponseObject()
    if request.method == 'POST':
        request.encoding = 'utf-8'
        request_dict = request.POST
    elif request.method == 'GET':
        request.encoding = 'utf-8'
        request_dict = request.GET
    else:
        return response.json(801)
    token = request_dict.get('token', None)
    deviceContent = request_dict.get('content', None)
    if token is not None and deviceContent is not None:
        tko = TokenObject(token)
        tko.valid()
        response.lang = tko.lang
        if tko.code == 0:
            userID = tko.userID
            if userID is not None:
                return addNewUserEquipment(userID, deviceContent, response)
            else:
                return response.json(309)
        else:
            return response.json(tko.code)
    else:
        return response.json(444, 'token,content')


@csrf_exempt
def delUserEquipmentInterface(request, *callback_args,
                              **callback_kwargs):
    '''
    删除用户设备
    :param request:
    :param callback_args: 表示任何多个无名参数，tuple类型
    :param callback_kwargs: 表示关键字参数，dict类型
    :return:
    '''
    response = ResponseObject()
    if request.method == 'POST':
        request.encoding = 'utf-8'
        request_dict = request.POST
    elif request.method == 'GET':
        request.encoding = 'gb2312'
        request_dict = request.GET
    else:
        return response.json(801)
    token = request_dict.get('token', None)
    id = request_dict.get('id', None)
    if token is not None and id is not None:
        tko = TokenObject(token)
        tko.valid()
        response.lang = tko.lang
        if tko.code == 0:
            userID = tko.userID
            if userID is not None:
                return delUserEquipment(userID, id, response)
            else:
                return response.json(309)
        else:
            return response.json(tko.code)
    else:
        return response.json(800)


@csrf_exempt
def modifyUserEquipmentInterface(request, *callback_args,
                                 **callback_kwargs):
    '''
    修改用户设备
    :param request:
    :param callback_args:
    :param callback_kwargs:
    :return:
    '''
    response = ResponseObject()
    if request.method == 'POST':
        request.encoding = 'utf-8'
        request_dict = request.POST
    elif request.method == 'GET':
        request.encoding = 'gb2312'
        request_dict = request.GET
    token = request_dict.get('token', None)
    deviceContent = request_dict.get('content', None)
    id = request_dict.get('id', None)
    if token is not None and deviceContent is not None and id is not None:
        tko = TokenObject(token)
        tko.valid()
        response.lang = tko.lang
        if tko.code == 0:
            userID = tko.userID
            if userID is not None:
                return modifyUserEquipment(userID, deviceContent, id, response)
            else:
                return response.json(309)
        else:
            return response.json(tko.code)
    else:
        return response.json(444, 'token,content,id')


@csrf_exempt
def showAllUserEquipmentInterface(request, *callback_args, **callback_kwargs):
    if request.method == 'POST':
        request.encoding = 'utf-8'
        fieldDict = request.POST
    if request.method == 'GET':
        request.encoding = 'utf-8'
        fieldDict = request.GET
    token = request.POST.get('token', None)
    type = request.POST.get('type', None)
    response = ResponseObject()
    if token != None:
        tko = TokenObject(token)
        tko.valid()
        response.lang = tko.lang
        if tko.code == 0:
            userID = tko.userID
            if userID:
                if type == 'PC':
                    return showAllUserEquipmentPC(userID, fieldDict, response)
                else:
                    return showAllUserEquipment(userID, response)
            else:
                return response.json(309)
        else:
            return response.json(tko.code)
    else:
        return response.json(800)


@csrf_exempt
def findEquipmentInfoInterface(request, *callback_args, **callback_kwargs):
    if request.method == 'GET':
        request.encoding = 'gb2312'
        fieldDict = request.GET
    if request.method == 'POST':
        request.encoding = 'utf-8'
        fieldDict = request.POST
    deviceContent = fieldDict.get('content', None)
    token = fieldDict.get('token', None)
    response = ResponseObject()

    if token != None:
        tko = TokenObject(token)
        tko.valid()
        response.lang = tko.lang
        if tko.code == 0:
            if deviceContent:
                try:
                    deviceContent = json.loads(deviceContent)
                except Exception as e:
                    print(repr(e))
                    return response.json(10,repr(e))
                else:
                    resultDict = findEquipmentInfo(content=deviceContent, type=2, fieldDict=fieldDict)
            else:
                resultDict = findEquipmentInfo(content='', type=1, fieldDict=fieldDict)
            return response.json(0, resultDict)
        else:
            return response.json(tko.code)
    else:
        return response.json(444,'token')