from Model.models import *
from Service.CommonService import CommonService


# 针对模型封装的复用性代码
class ModelService:
    # 获取当前用户角色名
    @staticmethod
    def getRole(rid):
        Roles = Role.objects.get(rid=rid)
        return Roles.roleName

    @staticmethod
    def getValidateMember(userID):
        device_user_query_set = Device_User.objects.get(userID=userID)
        role_query_set = device_user_query_set.role.all()
        role_dict = CommonService.qs_to_dict(role_query_set)
        permission = role_dict["datas"][0]["fields"]["permission"]
        if len(permission):
            if 92 in permission:
                return True
        return False

    # 获取用户所有权限
    @staticmethod
    def own_permission(userID):
        device_user_query_set = Device_User.objects.get(userID=userID)
        role_query_set = device_user_query_set.role.all()
        if role_query_set.exists():
            role_dict = CommonService.qs_to_dict(role_query_set)
            permission = role_dict["datas"][0]["fields"]["permission"]
            if len(permission):
                return permission
        return []

    # 获取用户角色相关
    @staticmethod
    def own_role(userID):
        device_user_query_set = Device_User.objects.get(userID=userID)
        role_query_set = device_user_query_set.role.all()
        if role_query_set.exists():
            return {'rid': role_query_set[0].rid, 'roleName': role_query_set[0].roleName}
        return {'rid': '', 'roleName': ''}

    # 检测权限有无
    @staticmethod
    def check_permission(userID, permID):
        try:
            device_user_query_set = Device_User.objects.get(userID=userID)
            if device_user_query_set:
                role_query_set = device_user_query_set.role.all()
                if role_query_set:
                    role_dict = CommonService.qs_to_dict(role_query_set)
                    permission = role_dict["datas"][0]["fields"]["permission"]
                    print(permission)
                    if len(permission) > 0:
                        if permID in permission:
                            return True
        except Exception as e:
            return False
        return False

    # 根据设备主键ID判断是否拥有该设备
    @staticmethod
    def check_user_own_device(userID, deviceID):
        try:
            device_user = Device_User.objects.get(userID=userID)
            device_info_queryset = device_user.device_info_set.all().values('id')
            id_list = []
            for id_dict in list(device_info_queryset):
                id_list.append(id_dict['id'])
            if deviceID in id_list:
                return True
        except Exception as e:
            return False
        return False

    # 根据设设备唯一名称UID判断是否拥有该设备
    @staticmethod
    def check_own_device(userID, UID):
        device_info_queryset = Device_Info.objects.filter(userID_id=userID, UID=UID)
        if device_info_queryset.exists():
            return True
        return False

    # 根据userID获取用户名
    @staticmethod
    def get_user_name(userID):
        try:
            if userID:
                device_user = Device_User.objects.get(userID=userID)
                return device_user.username
            else:
                return ''
        except Exception as e:
            return ''

    # 根据username获取userID
    @staticmethod
    def get_userID_byname(username):
        try:
            device_user = Device_User.objects.get(username=username)
        except Exception as e:
            return None
        else:
            return device_user.userID

    # 访问日志添加
    @staticmethod
    def addAccessLog(data):
        try:
            access_log = Access_Log.objects.create(**data)
        except Exception as e:
            return False
        else:
            if access_log.id:
                return True
            else:
                return False

    # 判断设备账户信息是否正确
    @staticmethod
    def device_auth(UID, View_Account, View_Password, ChannelIndex):
        device_info_queryset = Device_Info.objects.filter(UID=UID, View_Account=View_Account,
                                                          View_Password=View_Password, ChannelIndex=ChannelIndex)
        if device_info_queryset.exists():
            return True
        return False