package operation

import (
	"encoding/json"
	"errors"
	"local/sandbox/cards/src/entity"
)

type Int func(*entity.Game, interface{}) int64

var intStringified = map[string]Int{
	"royalFlush":    royalFlush,
	"straightFlush": straightFlush,
	"fourOfAKind":   fourOfAKind,
	"fullHouse":     fullHouse,
	"flush":         flush,
	"straight":      straight,
	"threeOfAKind":  threeOfAKind,
	"twoPair":       twoPair,
	"pair":          pair,
	"highCard":      highCard,
}

func (foo *Int) UnmarshalJSON(b []byte) error {
	var s string
	if err := json.Unmarshal(b, &s); err != nil {
		return err
	}

	return foo.FromString(s)
}

func (foo *Int) FromString(s string) error {
	for k, v := range intStringified {
		if k == s {
			*foo = v
			return nil
		}
	}
	return errors.New("unknown int method " + s)
}