// Copyright © 2023 OpenIM. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package relation

import "context"

// SubscribeUser collection constant.
const (
	SubscribeUser = "subscribe_user"
)

// SubscribeUserModel collection structure.
type SubscribeUserModel struct {
	UserID     string   `bson:"user_id"      json:"userID"`
	UserIDList []string `bson:"user_id_list" json:"userIDList"`
}

func (SubscribeUserModel) TableName() string {
	return SubscribeUser
}

// SubscribeUserModelInterface Operation interface of user mongodb.
type SubscribeUserModelInterface interface {
	// AddSubscriptionList Subscriber's handling of thresholds.
	AddSubscriptionList(ctx context.Context, userID string, userIDList []string) error
	// UnsubscriptionList Handling of unsubscribe.
	UnsubscriptionList(ctx context.Context, userID string, userIDList []string) error
	// RemoveSubscribedListFromUser Among the unsubscribed users, delete the user from the subscribed list.
	RemoveSubscribedListFromUser(ctx context.Context, userID string, userIDList []string) error
	// GetAllSubscribeList Get all users subscribed by this user
	GetAllSubscribeList(ctx context.Context, id string) (userIDList []string, err error)
	// GetSubscribedList Get the user subscribed by those users
	GetSubscribedList(ctx context.Context, id string) (userIDList []string, err error)
}