package kwargs

import (
	"encoding/json"
	"fmt"

	"git.towk2.me/towk/makeshift/internal/format"
	"github.com/rs/zerolog/log"
)

const RESERVED_KEY = "kwargs"

type KWArgs map[string]any

func New() KWArgs {
	return KWArgs{}
}

func (kw KWArgs) String() string {
	return string(kw.Bytes())
}

func (kw KWArgs) Bytes() []byte {
	b, err := json.Marshal(kw)
	if err != nil {
		log.Error().Err(err).Msg("failed to marshal kwargs")
		return []byte("{}")
	}
	return b
}

func (kw *KWArgs) Set(v string /* should be JSON object*/) error {
	var (
		newArgs KWArgs
		err     error
	)
	err = format.Unmarshal([]byte(v), &newArgs, format.JSON)
	if err != nil {
		return fmt.Errorf("failed to unmarshal value for %s: %w", kw.Type(), err)
	}
	*kw = newArgs
	return nil
}

func (kw *KWArgs) Type() string {
	return "KWArgs"
}