goldenChart/backend/src/main/java/com/goldenchart/controller/TradingControllerSupport.java

package com.goldenchart.controller;

import com.goldenchart.trading.TradingAccess;

import java.util.Map;

/** 매매·모의·전략 API — 정식 로그인(userId) 필수 */
public final class TradingControllerSupport {

    private TradingControllerSupport() {}

    public static long requireRegisteredUser(Map<String, String> headers) {
        String raw = headers.get("x-user-id");
        if (raw == null || raw.isBlank()) {
            throw new com.goldenchart.trading.TradingAccessDeniedException();
        }
        try {
            return TradingAccess.requireUserId(Long.parseLong(raw.trim()));
        } catch (NumberFormatException e) {
            throw new com.goldenchart.trading.TradingAccessDeniedException();
        }
    }

    public static Long parseUserId(Map<String, String> headers) {
        String raw = headers.get("x-user-id");
        if (raw == null || raw.isBlank()) return null;
        try {
            return Long.parseLong(raw.trim());
        } catch (NumberFormatException e) {
            return null;
        }
    }
}