package gonetworkmanager

import (
	"encoding/json"

	"github.com/godbus/dbus"
)

const (
	ConnectionInterface = SettingsInterface + ".Connection"

	ConnectionGetSettings = ConnectionInterface + ".GetSettings"
)

//type ConnectionSettings map[string]map[string]interface{}
type ConnectionSettings map[string]map[string]interface{}

type Connection interface {
	GetPath() dbus.ObjectPath

	// GetSettings gets the settings maps describing this network configuration.
	// This will never include any secrets required for connection to the
	// network, as those are often protected. Secrets must be requested
	// separately using the GetSecrets() callAndPanic.
	GetSettings() ConnectionSettings

	MarshalJSON() ([]byte, error)
}

func NewConnection(objectPath dbus.ObjectPath) (Connection, error) {
	var c connection
	return &c, c.init(NetworkManagerInterface, objectPath)
}

type connection struct {
	dbusBase
}

func (c *connection) GetPath() dbus.ObjectPath {
	return c.obj.Path()
}

func (c *connection) GetSettings() ConnectionSettings {
	var settings map[string]map[string]dbus.Variant
	c.callAndPanic(&settings, ConnectionGetSettings)

	rv := make(ConnectionSettings)

	for k1, v1 := range settings {
		rv[k1] = make(map[string]interface{})

		for k2, v2 := range v1 {
			rv[k1][k2] = v2.Value()
		}
	}

	return rv
}

func (c *connection) MarshalJSON() ([]byte, error) {
	return json.Marshal(c.GetSettings())
}