llmid = params_kw.get('llmid', '')
if not llmid:
    return json.dumps({
        "widgettype": "Text",
        "options": {"text": "请先选择模型"}
    }, ensure_ascii=False)

async with get_sor_context(request._run_ns, 'llmage') as sor:
    maps = await sor.sqlExe(
        "select a.ppid, b.name as model_name from llm_api_map a join llm b on a.llmid=b.id where a.llmid=${llmid}$",
        {'llmid': llmid})
    ppid = maps[0].ppid if maps else None
    model_name = maps[0].model_name if maps else 'Unknown'

if not ppid:
    return json.dumps({
        "widgettype": "Text",
        "options": {"text": "该模型未配置定价"}
    }, ensure_ascii=False)

try:
    data = await get_pricing_display(ppid)
except Exception as e:
    return json.dumps({
        "widgettype": "Text",
        "options": {"text": f"获取定价失败: {e}"}
    }, ensure_ascii=False)

if not data or not data.get('items'):
    return json.dumps({
        "widgettype": "Text",
        "options": {"text": "该模型暂无定价数据"}
    }, ensure_ascii=False)

# Build a read-friendly card for each pricing item
cards = []
for item in data['items']:
    fl = item.get('filter_labels', {})
    label_parts = [f"{k}: {v}" for k, v in fl.items()]
    header = ', '.join(label_parts) if label_parts else model_name
    
    factor_lines = []
    for pf in item.get('price_factors', []):
        lbl = pf.get('label', pf.get('factor', '?'))
        unit = pf.get('unit_label', '')
        price = pf.get('unit_price', 0)
        factor_lines.append({
            "widgettype": "HBox",
            "options": {"gap": "12px", "padding": "4px 0"},
            "subwidgets": [
                {"widgettype": "Text", "options": {"text": lbl, "cwidth": 14, "fontSize": "14px", "color": "#94a3b8"}},
                {"widgettype": "Text", "options": {"text": f"{price}", "cwidth": 10, "fontSize": "14px", "fontWeight": "600"}},
                {"widgettype": "Text", "options": {"text": unit, "cwidth": 20, "fontSize": "13px", "color": "#64748b"}}
            ]
        })
    
    formula = item.get('formula', '')
    min_amount = item.get('min_amount', 0)
    
    subwidgets = [
        {"widgettype": "Text", "options": {"text": header, "fontSize": "15px", "fontWeight": "600", "marginBottom": "8px", "color": "#e2e8f0"}}
    ] + factor_lines
    
    if formula:
        subwidgets.append({"widgettype": "Text", "options": {"text": f"公式: {formula}", "fontSize": "12px", "color": "#64748b", "marginTop": "6px"}})
    if min_amount > 0:
        subwidgets.append({"widgettype": "Text", "options": {"text": f"最低消费: {min_amount}元", "fontSize": "12px", "color": "#f59e0b", "marginTop": "4px"}})
    
    cards.append({
        "widgettype": "VBox",
        "options": {"css": "card", "padding": "14px", "gap": "2px", "marginBottom": "10px"},
        "subwidgets": subwidgets
    })

return json.dumps({
    "widgettype": "VBox",
    "options": {"width": "100%", "gap": "8px"},
    "subwidgets": [
        {"widgettype": "Title4", "options": {"text": f"模型: {model_name}", "marginBottom": "10px"}},
        {"widgettype": "Text", "options": {"text": f"定价方案: {data.get('name', '')} ({data.get('pricing_type', '')})", "fontSize": "13px", "color": "#94a3b8", "marginBottom": "12px"}}
    ] + cards
}, ensure_ascii=False, default=str)