package types

import (
	"fmt"
	"net"
	"strconv"

	util "github.com/adrianokf/go-dhcp/pkg/util"
)

func (txid *TxId) UnmarshalText(text []byte) (err error) {
	result, err := strconv.ParseUint(string(text), 16, 32)
	if err != nil {
		return err
	}

	copy(txid[:], util.U32ToByte(uint32(result)))
	return nil
}

func (id TxId) MarshalText() ([]byte, error) {
	return []byte(fmt.Sprintf("%x", id)), nil
}

func (addr *Ipv4Addr) UnmarshalText(text []byte) (err error) {
	ip := net.ParseIP(string(text))
	fmt.Println(ip)
	if ip == nil {
		return fmt.Errorf("could not parse IP address: '%s'", text)
	}
	*addr = Ipv4AddrFromNetIP(ip)
	return nil
}

func (addr Ipv4Addr) MarshalText() ([]byte, error) {
	return addr.ToNetIPv4().MarshalText()
}

func (addr HwAddr) MarshalText() ([]byte, error) {
	return []byte(addr.String()), nil
}

func (addr *HwAddr) UnmarshalText(text []byte) (err error) {
	*addr, err = HwAddrFromString(string(text))
	return err
}