package main

import (
	"fmt"
	"github.com/akamensky/argparse"
	"go-scsupdate/firmware"
	"go-scsupdate/usb"
	"os"
)

func main() {
	parser := argparse.NewParser("go-scsupdate", "Update Firmware of SCS PACTOR modems")
	serialDevice := parser.String("s", "serialDevice", &argparse.Options{Required: false, Help: "(optional) serial device the modem is attached to, e.g. /dev/ttyUSB0. If not set, go-scsupdate will search for SCS modems."})
	_ = parser.String("b", "baudrate", &argparse.Options{Required: false, Help: "(optional) sets the serial baudrate, e.g. 115200"})
	f := parser.String("f", "file", &argparse.Options{Required: false, Help: "(required) the file to flash, e.g. profi41r.pro"})
	err := parser.Parse(os.Args)
	if err != nil {
		fmt.Print(parser.Usage(err))
		os.Exit(1)
	}
	fmt.Println(*serialDevice)
	var ports []usb.Scsid
	if *serialDevice == "" {
		if ports, err = usb.FindSCS(); err == nil {
			fmt.Println(ports)
			if len(ports) == 0 {
				fmt.Println("Found no SCS modem.")
				//os.Exit(1)
			}
			if len(ports) != 1 {
				fmt.Println("Found more than one SCS modem. You need to choose one with the -s flag.\nfound: ")
				for _, p := range ports {
					fmt.Printf("Port: %30s : Name: %s\n", p.Port, p.Name)
				}
			}
		} else {
			fmt.Println("Error while seaching SCS modems: ", err)
		}
	}

	if !firmware.FwExists(*f) {
		fmt.Printf("Error: firmware file %s does not exist.\n", *f)
		os.Exit(1)
	}

	if !firmware.ChkHeader(*f) {
		os.Exit(1)
	} else {
		fmt.Println("all ok")
	}
}