package msgTransfer

import (
	"context"
	"encoding/json"
	"go.mongodb.org/mongo-driver/bson/primitive"
	"paopaoimtask/internal/svc"
	"paopaoimtask/mq"
	"paopaoimtask/pkg/bitmap"
	"paopaoimws/immodels"
	"paopaoimws/ws"
	"strconv"
)

/**
消息消费
*/

type MsgChatTransfer struct {
	*baseMsgTransfer
}

func NewMsgChatTransfer(svc *svc.ServiceContext) *MsgChatTransfer {
	return &MsgChatTransfer{
		NewBaseMsgTransfer(svc),
	}
}

// 消息消费的实现方法
func (m *MsgChatTransfer) Consume(ctx context.Context, key, value string) error {
	var (
		data  mq.MsgChatTransfer
		msgId = primitive.NewObjectID()
	)
	if err := json.Unmarshal([]byte(value), &data); err != nil {
		return err
	}
	if err := m.addChatLog(ctx, msgId, &data); err != nil {
		return err
	}

	return m.Transfer(ctx, &ws.Push{
		MsgID:          msgId.Hex(),
		ConversationId: data.ConversationId,
		ChatType:       data.ChatType,
		SendID:         data.SendID,
		RecvID:         data.RecvID,
		RecvIDs:        data.RecvIDs,
		SendTime:       data.SendTime,
		MType:          data.MType,
		Content:        data.Content,
	})
}

// 记录消息到mongodb
func (m *MsgChatTransfer) addChatLog(ctx context.Context, msgId primitive.ObjectID, data *mq.MsgChatTransfer) error {
	//记录消息
	chatlog := immodels.ChatLog{
		ID:             msgId,
		ConversationId: data.ConversationId,
		SendId:         strconv.FormatInt(data.SendID, 10),
		RecvId:         strconv.FormatInt(data.RecvID, 10),
		MsgFrom:        0,
		MsgType:        data.MType,
		MsgContent:     data.Content,
		SendTime:       data.SendTime,
		ChatType:       data.ChatType,
	}
	//设置自己为已读状态
	readRecords := bitmap.NewBitMap(0)
	readRecords.Set(data.SendID)
	chatlog.ReadRecords = readRecords.Export()

	err := m.svcCtx.ChatLogModel.Insert(ctx, &chatlog)
	if err != nil {
		return err
	}
	return m.svcCtx.ConversationModel.UpdateMsg(ctx, &chatlog)
}