package usb

import (
	"errors"
	"fmt"
	"github.com/albenik/go-serial/enumerator"
	"log"
)

/*
 USB Product IDs of the SCS devices:
    0xD010 SCS PTC-IIusb
    0xD011 SCS Tracker / DSP TNC
    0xD012 SCS P4dragon DR-7800
    0xD013 SCS P4dragon DR-7400
    0xD014 - not used
    0xD015 SCS PTC-IIIusb
    0xD016 - not used
    0xD017 - not used
*/

type Scsid struct {
	Port, id, Name string
	Baudrate       int
}

var scsids map[string]string = map[string]string{
	"d010": "SCS PTC-IIusb",
	"d011": "SCS Tracker / DSP TNC",
	"d012": "SCS P4dragon DR-7800",
	"d013": "SCS P4dragon DR-7400",
	"d015": "SCS PTC-IIIusb"}

var scsbaudrates map[string]int = map[string]int{
	"d010": 115200,
	"d011": 38400,
	"d012": 829400,
	"d013": 829400,
	"d015": 115200}

func FindSCS() ([]Scsid, error) {

	foundids := []Scsid{}
	ports, err := enumerator.GetDetailedPortsList()
	if err != nil {
		log.Fatal(err)
		return nil, err
	}
	if len(ports) == 0 {
		return nil, errors.New("No serial ports found")
	}

	for _, port := range ports {
		fmt.Printf("Found Port: %s\n", port.Name)
		if port.IsUSB {
			// fmt.Printf("   USB ID     %s:%s\n", Port.VID, Port.PID)
			// fmt.Printf("   USB serial %s\n", Port.SerialNumber)
			if port.VID == "0403" {
				if _, ok := scsids[port.PID]; ok {
					foundids = append(foundids, Scsid{Port: port.Name, id: port.PID, Name: scsids[port.PID], Baudrate: scsbaudrates[port.PID]})
				}
			}
		}
	}
	return foundids, nil

}