# 可写入/更新的字段（不含 id、created_at、updated_at）
_MODEL_FIELDS = (
    'llmid', 'provider', 'model_name', 'display_name', 'model_type',
    'context_length', 'input_token_price', 'output_token_price',
    'cache_hit_input_price', 'billing_method', 'billing_unit',
    'capabilities', 'limitations', 'highlights', 'is_active',
    'description', 'listing_status', 'sort_order',
)


def _escape(value):
    if value is None:
        return None
    return str(value).replace("'", "''")


def _build_model_dict(ns, include_listing_status=False):
    data = {}
    for field in _MODEL_FIELDS:
        if field in ns and ns.get(field) is not None and ns.get(field) != '':
            data[field] = ns.get(field)
    if include_listing_status and 'listing_status' not in data:
        data['listing_status'] = ns.get('listing_status', 0)
    return data

async def model_management_search(ns={}):
    """
    分页查询模型列表，支持按 model_name / model_type / provider 筛选。
    返回模型总数、待上架总数、已上架总数，以及厂商列表、模型类型列表。
    """
    import traceback

    page_size = int(ns.get('page_size', 1000))
    current_page = int(ns.get('current_page', 1))
    offset = (current_page - 1) * page_size

    conditions = ['1=1']
    if ns.get('display_name'):
        display_name = ns.get('display_name')
        # 模糊查询
        conditions.append(f"display_name LIKE '%%%%{display_name}%%%%'")
    if ns.get('model_type'):
        conditions.append("model_type = '%s'" % _escape(ns.get('model_type')))
    if ns.get('provider'):
        conditions.append("provider = '%s'" % _escape(ns.get('provider')))
    if ns.get('listing_status') is not None and ns.get('listing_status') != '':
        conditions.append("listing_status = '%s'" % _escape(ns.get('listing_status')))

    where_clause = ' AND '.join(conditions)

    db = DBPools()
    async with db.sqlorContext('kboss') as sor:
        try:
            stats_sql = """SELECT COUNT(*) AS total_count, SUM(CASE WHEN listing_status = 0 THEN 1 ELSE 0 END) AS pending_count, SUM(CASE WHEN listing_status = 1 THEN 1 ELSE 0 END) AS listed_count FROM model_management;"""
            stats_li = await sor.sqlExe(stats_sql, {})
            stats = stats_li[0] if stats_li else {}

            provider_sql = """
                SELECT DISTINCT provider FROM model_management
                WHERE provider IS NOT NULL AND provider != ''
                ORDER BY provider;
            """
            model_type_sql = """
                SELECT DISTINCT model_type FROM model_management
                WHERE model_type IS NOT NULL AND model_type != ''
                ORDER BY model_type;
            """

            count_sql = """SELECT COUNT(*) AS total_count FROM model_management WHERE %s;""" % where_clause
            filter_total = (await sor.sqlExe(count_sql, {}))[0]['total_count']

            find_sql = """SELECT * FROM model_management WHERE %s ORDER BY sort_order ASC LIMIT %s OFFSET %s;""" % (where_clause, page_size, offset)
            provider_rows = await sor.sqlExe(provider_sql, {})
            model_type_rows = await sor.sqlExe(model_type_sql, {})
            model_list = await sor.sqlExe(find_sql, {})

            return {
                'status': True,
                'msg': 'search model success',
                'data': {
                    'total_count': stats.get('total_count', 0),
                    'pending_count': int(stats.get('pending_count') or 0),
                    'listed_count': int(stats.get('listed_count') or 0),
                    'provider_list': [r['provider'] for r in provider_rows],
                    'model_type_list': [r['model_type'] for r in model_type_rows],
                    'filter_total': filter_total,
                    'page_size': page_size,
                    'current_page': current_page,
                    'model_list': model_list,
                },
            }
        except Exception as e:
            return {'status': False, 'msg': 'search model failed, %s' % traceback.format_exc()}
    
ret = await model_management_search(params_kw)
return ret