package rpc

import (
	"net/http"

	"forge.cadoles.com/Pyxis/orion/openwrt"
	"github.com/gorilla/rpc"
	"github.com/gorilla/rpc/json"
)

// OrionService is the JSON-RPC API
type OrionService struct {
	UCI *openwrt.UCI
}

// NewOrionService create a new OrionService !
func NewOrionService() *OrionService {
	uci := openwrt.NewUCI()
	return &OrionService{
		UCI: uci,
	}
}

// UCIArgs argument structure for exported method OwrtListWifiDevices
type UCIArgs struct{}

// UCIResponse is the response structure for exposed method OwrtListWifiDevices
type UCIResponse struct {
	Devices []map[string]string
}

// OwrtListWifiDevices offers an RPC Method to list Wifi nics in a OpenWRT device.
func (o *OrionService) OwrtListWifiDevices(r *http.Request, args *UCIArgs, reply *UCIResponse) error {
	o.UCI.LoadWirelessConf()
	devs := o.UCI.GetWifiDevices()
	reply.Devices = devs
	return nil
}

// ListIfaceArgs argument structure for exported method OwrtListWifiDevices
type ListIfaceArgs struct{}

// ListIfaceResponse is the response structure for exposed method OwrtListWifiDevices
type ListIfaceResponse struct {
	Interfaces []*openwrt.UCIWirelessInterface
}

// OwrtListWifiInterfaces offers an RPC Method to list wifi interfaces in a OpenWRT device.
func (o *OrionService) OwrtListWifiInterfaces(r *http.Request, args *ListIfaceArgs, reply *ListIfaceResponse) error {
	o.UCI.LoadWirelessConf()
	reply.Interfaces = o.UCI.GetWifiIfaces()
	return nil
}

// NewServer returns a new configured JSON-RPC server
func NewServer() *rpc.Server {
	server := rpc.NewServer()
	server.RegisterCodec(json.NewCodec(), "application/json")
	if err := server.RegisterService(new(OrionService), "Orion"); err != nil {
		panic(err)
	}
	return server
}