import requests

EM_BASE = "https://datacenter-web.eastmoney.com/api/data/v1/get"

headers = {
    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36",
    "Referer": "https://data.eastmoney.com/",
    "Accept": "application/json",
}

# 已知可能的龙虎榜报表名变体
report_names = [
    "RPT_LHB_ALL_STOCKS",
    "RPT_LHB_ALL",          # 龙虎榜概览
    "RPT_LHB_STOCK",        # 个股龙虎榜
    "RPT_LHB_BILLBOARD",    # 可能的英文名
    "RPT_STOCK_LHB",        # 倒装
    "LHB_ALL_STOCKS",       # 无前缀
]

for report in report_names:
    params = {
        "reportName": report,
        "columns": "ALL",
        "filter": "(TRADE_DATE='2026-09-12')",
        "pageNumber": 1,
        "pageSize": 2,
        "source": "WEB",
        "client": "WEB",
    }
    try:
        r = requests.get(EM_BASE, params=params, headers=headers, timeout=10)
        resp = r.json()
        if resp.get("success"):
            result = resp.get("result") or {}
            data = result.get("data") or []
            print(f"[OK] {report}: {len(data)} rows, keys={list(data[0].keys())[:5] if data else 'empty'}")
        else:
            print(f"[FAIL] {report}: {resp.get('message', 'unknown error')}")
    except Exception as e:
        print(f"[ERR] {report}: {e}")