package util

import (
	"github.com/Neur0toxine/sshpoke/internal/config"
	"github.com/mitchellh/mapstructure"
)

type ValidationAvailable interface {
	Validate() error
}

func UnmarshalParams(params config.DriverParams, target ValidationAvailable) error {
	dec, err := mapstructure.NewDecoder(&mapstructure.DecoderConfig{
		Result:           target,
		WeaklyTypedInput: true,
	})
	if err != nil {
		return err
	}
	if err := dec.Decode(params); err != nil {
		return err
	}
	if val, canValidate := target.(ValidationAvailable); canValidate {
		return val.Validate()
	}
	return nil
}