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/* route.h —— URI × 方法 槽位式注册（真实源码节选） */
static void RouteHTTP_Init(void)
{
	G_StaticRouteTableHTTP = xrtMapCreate(sizeof(RouteInfoHTTP));

	/* 静态路由：精确 URI */
	AddStaticRouteHTTP("/api/v1/items", XHTTP_METHOD_GET,  Handle_API_List);
	AddStaticRouteHTTP("/api/v1/items", XHTTP_METHOD_POST, Handle_API_Add);

	/* 动态路由：{id} 段捕获，方法掩码可自由组合 */
	AddDynamicRouteHTTP("/api/v1/items/{id}",
		XHTTP_METHOD_GET,                    Handle_API_Item);
	AddDynamicRouteHTTP("/api/v1/items/{id}",
		XHTTP_METHOD_PUT | XHTTP_METHOD_PATCH, Handle_API_Item_Update);
	AddDynamicRouteHTTP("/api/v1/items/{id}",
		XHTTP_METHOD_DELETE,                 Handle_API_Item_Delete);

	/* 注册完成后一次性编译成不可变 pattern，匹配耗时与路由数无关 */
	(void)RouteHTTP_Compile();
}

/* route_http/basic.h —— xvalue 构造 JSON（真实源码节选） */
static void Handle_JSON(XS_HttpReq* pReq,
	const RouteParamHTTP* arrParam, uint32 iParamCount)
{
	const XS_HostInfo* pHost = pReq->host;
	xvalue* pObject = xrtValueObject();

	(void)arrParam; (void)iParamCount;
	xrtValueObjectSetNew(pObject, XRT_STR_LITERAL("server"),
		xrtValueString(XRT_STR_LITERAL("xs3 demo")));
	xrtValueObjectSetNew(pObject, XRT_STR_LITERAL("ok"),
		xrtValueBool(true));
	xrtValueObjectSetNew(pObject, XRT_STR_LITERAL("host"),
		xrtValueString(xrtStrView((pHost->Name ? pHost->Name : "?"))));

	(void)ReplyJSON(pReq, 200, pObject);
	xrtValueRelease(pObject);
}

/* ws / wss 契约回调：xs 完成握手与分帧，你只写业务 */
static void WsOpen(XS_HostInfo* pHost, xwsstream* pWs)
{
	xrtWsStreamText(pWs, xrtStrView("connected"));
}

static void WsText(XS_HostInfo* pHost, xwsstream* pWs, xstrview tText)
{
	/* 掩码、分片重组、控制帧、消息上限全部由 xrt 层处理 */
	(void)xrtWsStreamText(pWs, tText);          /* echo */
}

static void WsBinary(XS_HostInfo* pHost, xwsstream* pWs, xbytesview tData)
{
	xvalue* pMsg = xrtValueObject();
	xrtValueObjectSetNew(pMsg, XRT_STR_LITERAL("size"),
		xrtValueInt64((int64)tData.Size));
	(void)xrtWsStreamBinary(pWs, tData);
	xrtValueRelease(pMsg);
}

/* 热重载状态交接：旧代导出快照，新代取回续跑（契约 API） */
static bool ServiceSwap(XS_HostInfo* pHost, xvalue** ppShared)
{
	xvalue* pState = xrtValueObject();

	xrtValueObjectSetNew(pState, XRT_STR_LITERAL("counter"),
		xrtValueInt64(G_iCounter));
	*ppShared = pState;               /* 无破坏快照：导出后旧代仍可服务 */
	return true;
}

static void ServiceInit(XS_HostInfo* pHost)
{
	xvalue* pState = xsSwapTake(pHost);   /* 仅新代 Init 内有效 */

	if ( pState != NULL ) {
		G_iCounter = xrtValueInt64(
			xrtValueObjectGet(pState, "counter"));
		xrtValueRelease(pState);
	}
}

/* 触发重载：期望状态协调，返回稳定 ID 可查询终态 */
XS_ReloadId iId = xsReloadHostSubmit(pHost);