/*
*
@author: sre
@date: 2023/11/19 0019
@desc: todo
*
*/
package main

import (
	"github.com/gocarina/gocsv"
	"os"
)

// Monitor for output
type Monitor struct {
	IP         string  `csv:"ip"`
	Port       string  `csv:"port"`
	CPUCore    int     `csv:"cpu_core"`
	CPUUsage   float64 `csv:"cpu_usage"`
	MemTotal   float64 `csv:"mem_total"`
	MemUsage   float64 `csv:"mem_usage"`
	NodeLoad1  float64 `csv:"node_load1"`
	NodeLoad5  float64 `csv:"node_load5"`
	NodeLoad15 float64 `csv:"node_load15"`
	ERROR      string  `csv:"error"`
}

// Host for input
type Host struct {
	IP   string `csv:"ip"`
	Port string `csv:"port"`
}

func GetHostListFromCSV() ([]*Host, error) {
	hostssFile, err := os.OpenFile(INPUTFILE, os.O_RDWR|os.O_CREATE, os.ModePerm)
	if err != nil {
		return nil, err
	}
	defer hostssFile.Close()

	hosts := []*Host{}

	if err := gocsv.UnmarshalFile(hostssFile, &hosts); err != nil { // Load hosts from file
		//if err := gocsv.UnmarshalBytes(CSVDATA, &hosts); err != nil { // Load hosts from file
		return nil, err
	}
	return hosts, nil

}