package gameserver

import (
	"fmt"

	"gac-hkrpg-go/internal/common"
	goproto "gac-hkrpg-go/protocol/proto"
)

// Exact runtime method pointers and their baseline native consumers were
// resolved for the catalog's source assembly (see CW investigation notes).
// Factory RVA 0xdbf2340 takes the slot index separately and selects the role
// constructor for oneof tag 1403. Cost RVA 0xdbf2860 reads HDE +0x28 (tag 13).
// Source is deliberately supplied by the action processor; its obfuscated enum
// values are not assigned normal/special meanings by this converter.
func currencyWarsRoleOfferProto(catalog *common.CurrencyWarsCatalog, offer common.CurrencyWarsShopOffer,
	source goproto.FKGIEPHGACD,
) (*goproto.HDEIAANGMDB, error) {
	if catalog == nil {
		return nil, fmt.Errorf("CW offer catalog is missing")
	}
	if _, valid := goproto.FKGIEPHGACD_name[int32(source)]; !valid {
		return nil, fmt.Errorf("CW shop source enum is outside the protocol schema")
	}
	if _, err := catalog.CapturedRoleVariant(offer.RoleID, offer.Star); err != nil {
		return nil, err
	}
	return &goproto.HDEIAANGMDB{
		Source:      source,
		LHGIFDNPIDE: offer.Sold,
		KDKPDJNMMCM: offer.Cost,
		AELHFLGJMJN: &goproto.HDEIAANGMDB_BDPIMPJOJBK{
			BDPIMPJOJBK: &goproto.NJBGFHDPFNO{RoleId: offer.RoleID, RoleStar: offer.Star},
		},
	}, nil
}