package consumers

import (
	"encoding/json"
	"goUpload/adaptors"
	"goUpload/consumers/WJHP"
	"goUpload/dbHelper"
	"goUpload/monitors"
	"log"
	"strings"
	"time"
)

type consumerWJHP struct {
	//数据缓存管道
	dataCache chan []byte
	//具体配置
	Info          WJHP.ConfigFile
	InMqtt        *dbHelper.MqttHelper
	InFileMonitor *monitors.FileMonitor
	outHttpPost   *dbHelper.HttpHelper
}

func (the *consumerWJHP) LoadConfigJson(cfgStr string) {
	// 将 JSON 格式的数据解析到结构体中
	err := json.Unmarshal([]byte(cfgStr), &the.Info)
	if err != nil {
		log.Printf("读取配置文件[%s]异常 err=%v", cfgStr, err.Error())
		panic(err)
	}
}

func (the *consumerWJHP) Initial(cfg string) error {
	the.LoadConfigJson(cfg)
	err := the.InputInitial()
	if err != nil {
		return err
	}
	err = the.OutputInitial()
	return err
}
func (the *consumerWJHP) InputInitial() error {
	the.dataCache = make(chan []byte, 200)
	//mqtt数据入口
	the.InMqtt = dbHelper.MqttInitial(
		the.Info.IOConfig.InMqtt.Host,
		the.Info.IOConfig.InMqtt.Port,
		the.Info.IOConfig.InMqtt.ClientId,
		the.Info.IOConfig.InMqtt.UserName,
		the.Info.IOConfig.InMqtt.Password,
		false)

	for _, inTopic := range the.Info.IOConfig.InMqtt.Topics {
		the.InMqtt.Subscribe(inTopic, the.onData)
	}

	return nil
}
func (the *consumerWJHP) OutputInitial() error {
	//数据出口
	the.outHttpPost = &dbHelper.HttpHelper{
		Url: the.Info.IOConfig.OutHttpPost.Url,
	}
	the.outHttpPost.Initial()
	return nil
}
func (the *consumerWJHP) Work() {
	go func() {
		for {
			pushBytes := <-the.dataCache
			log.Printf("取出ch数据,剩余[%d]", len(the.dataCache))
			log.Printf("准备推送=%s", pushBytes)
			resp, err := the.outHttpPost.Publish(pushBytes)
			log.Printf("推送[%s]%v\n结果[%s]: ", the.outHttpPost.Url, err, resp)
			time.Sleep(50 * time.Millisecond)
		}
	}()
}
func (the *consumerWJHP) onData(Topic string, Msg string) {
	if len(Msg) > 80 {
		log.Printf("mqtt-recv:[%s]:%s ...", Topic, Msg[:100])
	}
	var needPush []byte
	topicPrefixIndex := strings.LastIndex(Topic, "/")
	matchTopic := Topic[:topicPrefixIndex]
	deviceModule := Topic[topicPrefixIndex+1:]
	adaptor := the.getAdaptor(matchTopic)
	if adaptor != nil {
		needPush = adaptor.Transform(deviceModule, Msg)
		if len(needPush) > 0 {
			the.dataCache <- needPush
		}
	}
}
func (the *consumerWJHP) getAdaptor(flag string) (adaptor adaptors.IAdaptor3) {
	switch flag {
	case "/fs-flexometer":
		log.Printf("[视觉位移数据]-上报,准备处理")
		adaptor = adaptors.Adaptor_SJWY_WJHP{IdMap: the.Info.SensorConfig}
	default:
		log.Printf("[无匹配 %s],不处理", flag)
	}
	return adaptor
}