package gowgpkg

import (
	"fmt"
	"golang.zx2c4.com/wireguard/wgctrl"
	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
	"github.com/vishvananda/netlink"
)

type Device struct {
	Name string
	PublicKey string
	PrivateKey string
	ListenPort int
}

func DevicesList() ([]Device, error) {
	client, err := wgctrl.New()
	if err != nil {
		return nil, fmt.Errorf("Can't create wgctrl Client: %w", err)
	}

	devices, err := client.Devices()
	if err != nil {
		return nil, fmt.Errorf("Can't get list of devices: %w", err)
	}
	
	fmt.Println(devices)

	var devList []Device

	for _, d := range devices {
		dev, err := convertToDevice(d)
		if err != nil {
			return nil, fmt.Errorf("Cant convertt wgtypes device to gowgpkg device: %w", err)
		}
		devList = append(devList, dev)
	}

	return devList, nil
}

func DevicesCreate(device Device) (error) {
	// Create IP Device
	la := netlink.NewLinkAttrs()
	la.Name = device.Name

	return nil
}

func convertToDevice(device *wgtypes.Device) (Device, error) {
	d := Device{}
	d.Name = device.Name
	d.PublicKey = device.PublicKey.String()
	d.PrivateKey = device.PrivateKey.String()
	d.ListenPort = device.ListenPort

	return d, nil
}