from rest_framework.permissions import BasePermission
from django.core.cache import cache as default_cache
from utils.db_utils import MongoDBTools


class RegisterViewPermission(BasePermission):
    def has_permission(self, request, view):
        try:
            user = request.user
            if user['username'] == "管理员":
                return True
            else:
                return False
        except:
            return False


class ModulePermission(BasePermission):
    def has_permission(self, request, view):
        try:
            user = request.user
            is_superuser = user.get("is_superuser")
            user_modules = user.get("user_modules")
            path = request.path
            if path.startswith("/pestanalysis"):
                if is_superuser == "True" or user_modules == "1":
                    return True
                else:
                    return False
        except:
            return False


class QXZDeviceDetailPermission(BasePermission):
    message = "非此账户下设备"
    
    def has_permission(self, request, view):
        uid = request.user
        device_id = request.query_params.get("device_id")
        if device_id is None:
            return True
        qxz_list_cache = default_cache.get(str(uid)+"_qxz_list")
        if qxz_list_cache:
            if device_id in qxz_list_cache:
                return True
            else:
                return False
        else:
            wheres = {
                'device_type_id':5,
                '$or': [
                    {'owner_uid': uid},
                    {'user_dealer': uid}
                ]
            }
            project = {
                'device_id': '$device_id'
            }
            m = MongoDBTools(db_name='smartfarming', table_name='sa_device')
            data = m.find_many(wheres=wheres, options=project)
            qxz_list_cache = []
            for item in data:
                qxz_list_cache.append(item["device_id"])
            default_cache.set(str(uid)+"_qxz_list", qxz_list_cache,60*5)
            if device_id in qxz_list_cache:
                return True
            else:
                return False


class ScdDeviceDetailPermission(BasePermission):
    message = "非此账户下设备"
    
    def has_permission(self, request, view):
        uid = request.user
        device_id = request.query_params.get("device_id")
        if device_id is None:
            return True
        scd_dict_cache = default_cache.get(str(uid)+"_scd_list")
        if scd_dict_cache:
            if device_id in scd_dict_cache:
                return True
            else:
                return False
        else:
            wheres = {
                'device_type_id':2,
                '$or': [
                    {'owner_uid': uid},
                    {'user_dealer': uid}
                ]
            }
            project = {
                'id': '$id',
                'device_id': '$device_id'
            }
            m = MongoDBTools(db_name='smartfarming', table_name='sa_device')
            data = m.find_many(wheres=wheres, options=project)
            scd_dict_cache = {}
            for item in data:
                scd_dict_cache[item["device_id"]]=item["id"]
            default_cache.set(str(uid)+"_scd_list", scd_dict_cache,60*5)
            if device_id in scd_dict_cache:
                return True
            else:
                return False


class CbdDeviceDetailPermission(BasePermission):
    message = "非此账户下设备"
    
    def has_permission(self, request, view):
        uid = request.user
        device_id = request.query_params.get("device_id")
        if device_id is None:
            return True
        cbd_dict_cache = default_cache.get(str(uid)+"_cbd_list")
        if cbd_dict_cache:
            if device_id in cbd_dict_cache:
                return True
            else:
                return False
        else:
            wheres = {
                'device_type_id':3,
                '$or': [
                    {'owner_uid': uid},
                    {'user_dealer': uid}
                ]
            }
            project = {
                'id': '$id',
                'device_id': '$device_id',
                'disable': '$disable'
            }
            m = MongoDBTools(db_name='smartfarming', table_name='sa_device')
            data = m.find_many(wheres=wheres, options=project)
            cbd_dict_cache = {}
            for item in data:
                cbd_dict_cache[item["device_id"]]={"d_id":item["id"],"disable":item["disable"]} 
            default_cache.set(str(uid)+"_cbd_list", cbd_dict_cache,60*5)
            if device_id in cbd_dict_cache:
                return True
            else:
                return False


class BzyDeviceDetailPermission(BasePermission):
    message = "非此账户下设备"
    
    def has_permission(self, request, view):
        uid = request.user
        device_id = request.query_params.get("device_id")
        if device_id is None:
            return True
        bzy_dict_cache = default_cache.get(str(uid)+"_bzy_list")
        if bzy_dict_cache:
            if device_id in bzy_dict_cache:
                return True
            else:
                return False
        else:
            wheres = {
                'device_type_id':7,
                '$or': [
                    {'owner_uid': uid},
                    {'user_dealer': uid}
                ]
            }
            project = {
                'id': '$id',
                'device_id': '$device_id'
            }
            m = MongoDBTools(db_name='smartfarming', table_name='sa_device')
            data = m.find_many(wheres=wheres, options=project)
            bzy_dict_cache = {}
            for item in data:
                bzy_dict_cache[item["device_id"]]=item["id"]
            default_cache.set(str(uid)+"_bzy_list", bzy_dict_cache,60*5)
            if device_id in bzy_dict_cache:
                return True
            else:
                return False


class XycbDeviceDetailPermission(BasePermission):
    message = "非此账户下设备"
    
    def has_permission(self, request, view):
        uid = request.user
        device_id = request.query_params.get("device_id")
        if device_id is None:
            return True
        xycb_dict_cache = default_cache.get(str(uid)+"_xycb_list")
        if xycb_dict_cache:
            if device_id in xycb_dict_cache:
                return True
            else:
                return False
        else:
            wheres = {
                'device_type_id':4,
                '$or': [
                    {'owner_uid': uid},
                    {'user_dealer': uid}
                ]
            }
            project = {
                'id': '$id',
                'device_id': '$device_id'
            }
            m = MongoDBTools(db_name='smartfarming', table_name='sa_device')
            data = m.find_many(wheres=wheres, options=project)
            xycb_dict_cache = {}
            for item in data:
                xycb_dict_cache[item["device_id"]]=item["id"]
            default_cache.set(str(uid)+"_xycb_list", xycb_dict_cache,60*5)
            if device_id in xycb_dict_cache:
                return True
            else:
                return False


class XctDeviceDetailPermission(BasePermission):
    message = "非此账户下设备"
    
    def has_permission(self, request, view):
        uid = request.user
        device_id = request.query_params.get("device_id")
        if device_id is None:
            return True
        xct_dict_cache = default_cache.get(str(uid)+"_xct_list")
        if xct_dict_cache:
            if device_id in xct_dict_cache:
                return True
            else:
                return False
        else:
            wheres = {
                'device_type_id':12,
                '$or': [
                    {'owner_uid': uid},
                    {'user_dealer': uid}
                ]
            }
            project = {
                'id': '$id',
                'device_id': '$device_id'
            }
            m = MongoDBTools(db_name='smartfarming', table_name='sa_device')
            data = m.find_many(wheres=wheres, options=project)
            xct_dict_cache = {}
            for item in data:
                xct_dict_cache[item["device_id"]]=item["id"]
            default_cache.set(str(uid)+"_xct_list", xct_dict_cache,60*5)
            if device_id in xct_dict_cache:
                return True
            else:
                return False