package gameserver

import (
	"testing"

	"gac-hkrpg-go/internal/common"
	pb "gac-hkrpg-go/protocol/proto"
	"google.golang.org/protobuf/proto"
)

func TestGetGachaInfoScRspWireTags(t *testing.T) {
	if err := common.LoadBannersConfig(); err != nil {
		t.Fatal(err)
	}

	rsp := &pb.GetGachaInfoScRsp{
		Retcode:     0,
		GachaRandom: 1234,
	}
	banners := common.GetVisibleBanners(1)
	if len(banners) == 0 {
		t.Fatal("expected visible banners")
	}
	for _, b := range banners {
		rsp.GachaInfoList = append(rsp.GachaInfoList, b.ToProtoInfo())
	}

	bin, err := proto.Marshal(rsp)
	if err != nil {
		t.Fatalf("failed to marshal GetGachaInfoScRsp: %v", err)
	}

	// Verify that tag 15 (gacha_info_list) is present:
	// Field number 15, wire type 2 (length delimited) -> (15 << 3) | 2 = 122 = 0x7a
	tag15Found := false
	for _, b := range bin {
		if b == 0x7a {
			tag15Found = true
			break
		}
	}
	if !tag15Found {
		t.Errorf("Tag 15 (0x7a) for gacha_info_list was NOT found in serialized payload!")
	}

	// Unmarshal back to ensure clean round-trip
	var decoded pb.GetGachaInfoScRsp
	if err := proto.Unmarshal(bin, &decoded); err != nil {
		t.Fatalf("failed to unmarshal: %v", err)
	}
	if len(decoded.GachaInfoList) != len(banners) {
		t.Fatalf("expected %d banners, got %d", len(banners), len(decoded.GachaInfoList))
	}

	// Verify banner 1001
	var found1001 *pb.GachaInfo
	for _, info := range decoded.GachaInfoList {
		if info.GachaId == 1001 {
			found1001 = info
			break
		}
	}
	if found1001 == nil {
		t.Fatal("banner 1001 not found in decoded response")
	}
	if found1001.EndTime == 0 {
		t.Errorf("banner 1001 EndTime should not be 0")
	}
	if found1001.GachaCeiling == nil {
		t.Errorf("banner 1001 GachaCeiling should not be nil")
	}
}