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 {
		log.ZDebug(
			ctx,
			"UserMsgsDestruct",
			"conversationID",
			conversation.ConversationID,
			"ownerUserID",
			conversation.OwnerUserID,
			"msgDestructTime",
			conversation.MsgDestructTime,
			"lastMsgDestructTime",
			conversation.LatestMsgDestructTime,
		)
		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 err := c.conversationDatabase.UpdateUsersConversationFiled(ctx, []string{conversation.OwnerUserID}, conversation.ConversationID, map[string]interface{}{"latest_msg_destruct_time": time.Now()}); err != nil {
			log.ZError(
				ctx,
				"updateUsersConversationFiled failed",
				err,
				"conversationID",
				conversation.ConversationID,
				"ownerUserID",
				conversation.OwnerUserID,
			)
			continue
		}
		if len(seqs) > 0 {
			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,
				)
			}
		}
	}
}