# -*- coding: utf-8 -*-
#
from rest_framework.generics import ListAPIView
from rest_framework.response import Response

from common.mixins.api import CommonApiMixin
from common.tree import TreeNodeSerializer
from applications.api.mixin import (
    SerializeApplicationToTreeNodeMixin
)
from perms import serializers
from perms.api.asset.user_permission.mixin import RoleAdminMixin, RoleUserMixin
from perms.utils.application.user_permission import (
    get_user_granted_all_applications
)


__all__ = [
    'UserAllGrantedApplicationsApi',
    'MyAllGrantedApplicationsApi',
    'UserAllGrantedApplicationsAsTreeApi',
    'MyAllGrantedApplicationsAsTreeApi',
]


class AllGrantedApplicationsMixin(CommonApiMixin, ListAPIView):
    only_fields = serializers.AppGrantedSerializer.Meta.only_fields
    serializer_class = serializers.AppGrantedSerializer
    filterset_fields = {
        'id': ['exact'],
        'name': ['exact'],
        'category': ['exact'],
        'type': ['exact', 'in'],
        'comment': ['exact'],
    }
    search_fields = ['name', 'comment']
    user: None

    def get_queryset(self):
        queryset = get_user_granted_all_applications(self.user)
        return queryset.only(*self.only_fields)


class UserAllGrantedApplicationsApi(RoleAdminMixin, AllGrantedApplicationsMixin):
    pass


class MyAllGrantedApplicationsApi(RoleUserMixin, AllGrantedApplicationsMixin):
    pass


class ApplicationsAsTreeMixin(SerializeApplicationToTreeNodeMixin):
    """
    将应用序列化成树的结构返回
    """
    serializer_class = TreeNodeSerializer

    def list(self, request, *args, **kwargs):
        queryset = self.filter_queryset(self.get_queryset())
        tree_nodes = self.serialize_applications_with_org(queryset)
        serializer = self.get_serializer(tree_nodes, many=True)
        return Response(data=serializer.data)


class UserAllGrantedApplicationsAsTreeApi(ApplicationsAsTreeMixin, UserAllGrantedApplicationsApi):
    pass


class MyAllGrantedApplicationsAsTreeApi(ApplicationsAsTreeMixin, MyAllGrantedApplicationsApi):
    pass