// +build mobile

package yggdrasil

import (
	"log"
	"os"
	"regexp"

	"github.com/yggdrasil-network/yggdrasil-go/src/config"
	"github.com/yggdrasil-network/yggdrasil-go/src/util"
)

// This file is meant to "plug the gap" for mobile support, as Gomobile will
// not create headers for Swift/Obj-C etc if they have complex (non-native)
// types. Therefore for iOS we will expose some nice simple functions. Note
// that in the case of iOS we handle reading/writing to/from TUN in Swift
// therefore we use the "dummy" TUN interface instead.

func (c *Core) StartAutoconfigure() error {
	logger := log.New(os.Stdout, "", 0)
	nc := config.GenerateConfig(true)
	nc.IfName = "dummy"
	nc.AdminListen = "tcp://[::]:9001"
	nc.Peers = []string{}
	if hostname, err := os.Hostname(); err == nil {
		nc.NodeInfo = map[string]interface{}{"name": hostname}
	}
	ifceExpr, err := regexp.Compile(".*")
	if err == nil {
		c.ifceExpr = append(c.ifceExpr, ifceExpr)
	}
	if err := c.Start(nc, logger); err != nil {
		return err
	}
	return nil
}

func (c *Core) GetAddressString() string {
	return c.GetAddress().String()
}

func (c *Core) GetSubnetString() string {
	return c.GetSubnet().String()
}

func (c *Core) RouterRecvPacket() ([]byte, error) {
	packet := <-c.router.tun.recv
	return packet, nil
}

func (c *Core) RouterSendPacket(buf []byte) error {
	packet := append(util.GetBytes(), buf[:]...)
	c.router.tun.send <- packet
	return nil
}