package webstocetmsg

import (
	"appPlatform/overall"
	"context"
	"fmt"

	"github.com/sirupsen/logrus"
)

const (
	PublishKey = "websocket"
)

// Publish 发布消息到redis
// channel是发布的目标信道
// payload是要发布的消息内容
func Publish(ctx context.Context, channel, payload string) (err error) {
	// logrus.Debugf("[Redis] publish [%s]: %s", channel, payload)
	err = overall.CONSTANT_REDIS4.Publish(ctx, channel, payload).Err()
	if err != nil {
		logrus.Errorf("[Redis] pulish error: %s", err.Error())
		return err
	}
	return
}

// Subscribe 订阅redis消息
// channel是订阅的目标信道
func Subscribe(ctx context.Context, channel string) (string, error) {
	// logrus.Debugf("[Redis] subscribe [%s]", channel)
	sub := overall.CONSTANT_REDIS4.Subscribe(ctx, channel)
	fmt.Printf("err--3->%T--2->%v\n", sub, sub)
	msg, err := sub.ReceiveMessage(ctx)
	fmt.Printf("err--3->%v--3->%v\n", err, msg)
	if err != nil {
		logrus.Errorf("[Redis] subscribe [%s]", channel)
		return "", err
	}
	// logrus.Debugf("[Redis] subscribe [%s]: %s", channel, msg.String())
	return msg.Payload, err
}