// 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 tools

import (
	"context"
	"time"

	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/log"
	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/mcontext"
	"github.com/OpenIMSDK/Open-IM-Server/pkg/utils"
)

func (c *MsgTool) ConversationsDestructMsgs() {
	log.ZInfo(context.Background(), "start msg destruct cron task")
	ctx := mcontext.NewCtx(utils.GetSelfFuncName())
	conversations, err := c.conversationDatabase.GetConversationIDsNeedDestruct(ctx)
	if err != nil {
		log.ZError(ctx, "get conversation id need destruct failed", err)
		return
	}
	log.ZDebug(context.Background(), "nums conversations need destruct", "nums", len(conversations))
	for _, conversation := range conversations {
		ctx = mcontext.NewCtx(utils.GetSelfFuncName() + "-" + utils.OperationIDGenerator() + "-" + conversation.ConversationID + "-" + conversation.OwnerUserID)
		log.ZDebug(
			ctx,
			"UserMsgsDestruct",
			"conversationID",
			conversation.ConversationID,
			"ownerUserID",
			conversation.OwnerUserID,
			"msgDestructTime",
			conversation.MsgDestructTime,
			"lastMsgDestructTime",
			conversation.LatestMsgDestructTime,
		)
		now := time.Now()
		seqs, err := c.msgDatabase.UserMsgsDestruct(ctx, conversation.OwnerUserID, conversation.ConversationID, conversation.MsgDestructTime, conversation.LatestMsgDestructTime)
		if err != nil {
			log.ZError(ctx, "user msg destruct failed", err, "conversationID", conversation.ConversationID, "ownerUserID", conversation.OwnerUserID)
			continue
		}
		if len(seqs) > 0 {
			if err := c.conversationDatabase.UpdateUsersConversationFiled(ctx, []string{conversation.OwnerUserID}, conversation.ConversationID, map[string]interface{}{"latest_msg_destruct_time": now}); err != nil {
				log.ZError(ctx, "updateUsersConversationFiled failed", err, "conversationID", conversation.ConversationID, "ownerUserID", conversation.OwnerUserID)
				continue
			}
			if err := c.msgNotificationSender.UserDeleteMsgsNotification(ctx, conversation.OwnerUserID, conversation.ConversationID, seqs); err != nil {
				log.ZError(ctx, "userDeleteMsgsNotification failed", err, "conversationID", conversation.ConversationID, "ownerUserID", conversation.OwnerUserID)
			}
		}
	}
}