package mq

import (
	"fmt"
	"folder_monitoring/config"
	"git.hpds.cc/Component/logging"
	"go.uber.org/zap"
	"os"
	"time"

	"git.hpds.cc/pavement/hpds_node"
)

var MqList []HpdsMqNode

type HpdsMqNode struct {
	MqType   uint
	Topic    string
	Node     config.HpdsNode
	EndPoint interface{}
}

func must(logger *logging.Logger, err error) {
	if err != nil {
		if logger != nil {
			logger.With(zap.String("web节点", "错误信息")).Error("启动错误", zap.Error(err))
		} else {
			_, _ = fmt.Fprint(os.Stderr, err)
		}
		os.Exit(1)
	}
}

func NewMqClient(funcs []config.FuncConfig, node config.HpdsNode, logger *logging.Logger) (mqList []HpdsMqNode, err error) {
	mqList = make([]HpdsMqNode, 0)
	for _, v := range funcs {
		switch v.MqType {
		case 2:
			sf := hpds_node.NewStreamFunction(
				v.Name,
				hpds_node.WithMqAddr(fmt.Sprintf("%s:%d", node.Host, node.Port)),
				hpds_node.WithObserveDataTags(v.DataTag),
				hpds_node.WithCredential(node.Token),
			)
			err = sf.Connect()
			nodeInfo := HpdsMqNode{
				MqType:   2,
				Topic:    v.Name,
				Node:     node,
				EndPoint: sf,
			}
			must(logger, err)
			mqList = append(mqList, nodeInfo)
		default:
			ap := hpds_node.NewAccessPoint(
				v.Name,
				hpds_node.WithMqAddr(fmt.Sprintf("%s:%d", node.Host, node.Port)),
				hpds_node.WithCredential(node.Token),
			)
			err = ap.Connect()
			nodeInfo := HpdsMqNode{
				MqType:   1,
				Topic:    v.Name,
				Node:     node,
				EndPoint: ap,
			}
			must(logger, err)
			ap.SetDataTag(v.DataTag)
			mqList = append(mqList, nodeInfo)
		}

	}
	return mqList, err
}

func GetMqClient(topic string, mqType uint) *HpdsMqNode {
	for _, v := range MqList {
		if v.Topic == topic && v.MqType == mqType {
			return &v
		}
	}
	return nil
}

func GenerateAndSendData(stream hpds_node.AccessPoint, data []byte) error {
	_, err := stream.Write(data)
	if err != nil {
		return err
	}
	time.Sleep(1000 * time.Millisecond)
	return nil
}