package main

import (
	"bufio"
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"os"
	"strconv"
	"strings"

	mqtt "github.com/eclipse/paho.mqtt.golang"
)

var time_hold int
var mqtt_cms_bi mqtt.Client

const CMS_HOST_BI string = "tcp://broker.beetai.com:21883"

const CMS_ACCESS_TOKEN_BI string = "beeetai"
const CMS_PASS_BI = "5ige8TdfTEHoTgJz"

var id_box string = ""
var CMS_TOPIC_IN_1 string = "gpio/devices/in/+"

// var CMS_TOPIC_IN string = "gpio/devices/in/1"
// var CMS_TOPIC_OUT string = "gpio/devices/out/1"

var CMS_TOPIC_IN string = "gpio/devices/ademax/in/+"
var CMS_TOPIC_OUT string = "gpio/devices/ademax/out/+"

// var CMS_TOPIC_IN_1 string = "v1/devices/7/telemetry/+"

//var CMS_TOPIC_OUT string = "gpio/devices/ademax/out/+"

var count int = 0
var params string = ""
var method string = ""
var mode int = 0

//var ty bool = false

//  {"method" : "ssh","params":"1"} {"method" : "cmd","params":"reboot"} {"method" : "cmd","params":"nano /root/monitor/engine/face_recognition/data/Config.txt"}
//  {"method" : "ssh","params":"0"}  {"method" : "cmd","params":"htop"}
//   {"method" : "gpio","params":"1","name":"HIEUPV"}
//============================> Main <==========================

func main() {

	fmt.Printf("ID BOX : ")
	i := bufio.NewReader(os.Stdin)
	id, err := i.ReadString('\n')

	if err == io.EOF {

		os.Exit(0)

	}
	id = strings.Replace(id, "\n", "", -1)
	id_box = id

	// var CMS_TOPIC_IN string = "gpio/devices/in/1"
	// var CMS_TOPIC_OUT string = "gpio/devices/out/1"
	var CMS_TOPIC_IN string = "gpio/devices/ademax/in/1"
	var CMS_TOPIC_OUT string = "gpio/devices/ademax/out/+"

	fmt.Println("ID_BOX: " + id_box)
	fmt.Println("TOPIC IN :" + CMS_TOPIC_IN)
	fmt.Println("TOPIC OUT :" + CMS_TOPIC_OUT)
	fmt.Println("*************************************")
	mqtt_begin()
	mqtt_cms_bi.Subscribe(CMS_TOPIC_IN_1, 0, mqtt_messageHandler)
	fmt.Printf("MQTT host: %v\n", CMS_HOST_BI)
	fmt.Printf("Topic: %v\n", CMS_TOPIC_OUT)
	fmt.Println("Please sellect mode.\n*Mode 1: Tranfer Full Message.\n*Mode 2: Tranfer Message Type (params,value)")

	m := bufio.NewReader(os.Stdin)
	md, err := m.ReadString('\n')

	if err == io.EOF {

		os.Exit(0)

	}
	md = strings.Replace(md, "\n", "", -1)
	mode, _ = strconv.Atoi(md)
	fmt.Printf("Mode:%v\n", mode)
	fmt.Println("----------> START <----------")
	if mode == 1 {
		for {
			Mode_1()
		}

	} else if mode == 2 {
		for {
			Mode_2()
		}

	}
	fmt.Println("End game")
	// for {
	// 	if mode == 1 {
	// 		Mode_1()
	// 	} else if mode == 2 {
	// 		Mode_2()
	// 	}

	// }

}
func Mode_1() {
	fmt.Print("Message:")
	reader := bufio.NewReader(os.Stdin)
	msg, err := reader.ReadString('\n')

	if err == io.EOF {
		os.Exit(0)
	}
	msg = strings.Replace(msg, "\n", "", -1)
	msg = strings.Replace(msg, "\n", "", -1)
	count++
	//CmsResponse(mqtt_cms_bi, CMS_TOPIC_OUT+strconv.Itoa(count), p)
	//CmsResponse_1(mqtt_cms_bi, CMS_TOPIC_IN+strconv.Itoa(count), msg)
	CmsResponse_1(mqtt_cms_bi, CMS_TOPIC_IN, msg)
	fmt.Println("Publish message Mode 1 ok")
}
func Mode_2() {
	fmt.Print("Method:")
	reader := bufio.NewReader(os.Stdin)
	p, err := reader.ReadString('\n')

	if err == io.EOF {

		os.Exit(0)

	}
	method = strings.Replace(p, "\n", "", -1)
	fmt.Print("Params:")

	reader1 := bufio.NewReader(os.Stdin)
	v, err := reader1.ReadString('\n')

	if err == io.EOF {

		os.Exit(0)

	}
	params = strings.Replace(v, "\n", "", -1)
	count++
	//CmsResponse(mqtt_cms_bi, CMS_TOPIC_OUT+strconv.Itoa(count), p)
	CmsResponse_2(mqtt_cms_bi, CMS_TOPIC_IN, method, params)
}

//=================> END MAIN <====================
//***********************************************//
//------------------ Function ---------------------

func mqtt_begin() {

	opts_cms_bi := mqtt.NewClientOptions()
	opts_cms_bi.AddBroker(CMS_HOST_BI)
	opts_cms_bi.SetUsername(CMS_ACCESS_TOKEN_BI)
	opts_cms_bi.SetPassword("CMS_PASS_BI")
	opts_cms_bi.SetCleanSession(true)

	mqtt_cms_bi = mqtt.NewClient(opts_cms_bi)
	if token_1 := mqtt_cms_bi.Connect(); token_1.Wait() && token_1.Error() == nil {
		fmt.Printf("MQTT CMS Beetsoft Connected\n")
		//file.Write_log("MQTT CMS BeetsoftConnected\n", path_log_luncher)
	} else {
		fmt.Printf("MQTT CMS Beetsoft cant not Connected\n")
		//file.Write_log("MQTT CMS Beetsoft cant not Connected\n", path_log_luncher)
		fmt.Printf("Loi CMS Beetsoft : %v \n", token_1.Error())
		fmt.Printf("-------------------\n")
	}

}

/************************************************************************/
func CmsResponse_2(c mqtt.Client, topic string, method string, params string) {
	//var msg = `{"` + params + `":` + value + `}`
	var msg = `{"method":"` + method + `","params": "` + params + `"}`
	fmt.Printf("Message:%v", msg)
	c.Publish(topic, 0, false, msg)
	fmt.Println("\nPublic Message Done")
	fmt.Println("*****************************")
}
func CmsResponse_1(c mqtt.Client, topic string, msg string) {
	fmt.Printf("Message:%v", msg)
	c.Publish(topic, 0, false, msg)
	fmt.Println("\nPublic Message Done")
	fmt.Println("*****************************")
}
func mqtt_messageHandler(mqtt_bi mqtt.Client, message mqtt.Message) {
	fmt.Printf("TOPIC: %s\n", message.Topic())
	fmt.Printf("MSG:\n %s\n", message.Payload())

	dec := json.NewDecoder(bytes.NewReader(message.Payload()))
	var list map[string]interface{}
	if err := dec.Decode(&list); err != nil {
		println(err)
		//return
	}
	//fmt.Print("\n")
	if mode == 1 {
		Mode_1()
	} else if mode == 2 {
		Mode_2()
	}
}