#!/usr/bin/env python3
import json
import os

result = {'success': False, 'rows': [], 'total': 0, 'page': 1, 'page_size': 50}

try:
    dbname = get_module_dbname('llmage')
    user_orgid = await get_userorgid()

    # Extract filter parameters from params_kw
    filters = {}
    if params_kw.get('userorgid'):
        filters['userorgid'] = params_kw.get('userorgid')
    if params_kw.get('llmid'):
        filters['llmid'] = params_kw.get('llmid')
    if params_kw.get('handled') is not None:
        filters['handled'] = params_kw.get('handled')
    if params_kw.get('start_date'):
        filters['start_date'] = params_kw.get('start_date')
    if params_kw.get('end_date'):
        filters['end_date'] = params_kw.get('end_date')

    page = int(params_kw.get('page', 1))
    page_size = int(params_kw.get('page_size', 50))

    async with DBPools().sqlorContext(dbname) as sor:
        # Build dynamic SQL
        conditions = []
        ns = {}

        # Default: show unhandled records
        if 'handled' not in filters:
            conditions.append("handled='0'")

        if filters.get('userorgid'):
            conditions.append("userorgid=${userorgid}$")
            ns['userorgid'] = filters['userorgid']
        if filters.get('llmid'):
            conditions.append("llmid=${llmid}$")
            ns['llmid'] = filters['llmid']
        if filters.get('handled') is not None:
            conditions.append("handled=${handled}$")
            ns['handled'] = filters['handled']
        if filters.get('start_date'):
            conditions.append("use_date>=${start_date}$")
            ns['start_date'] = filters['start_date']
        if filters.get('end_date'):
            conditions.append("use_date<=${end_date}$")
            ns['end_date'] = filters['end_date']

        where = ""
        if conditions:
            where = "where " + " and ".join(conditions)

        # Count total
        count_sql = f"select count(*) as cnt from llmusage_accounting_failed {where}"
        count_recs = await sor.sqlExe(count_sql, ns)
        total = count_recs[0].cnt if count_recs else 0

        # Query with pagination
        offset = (page - 1) * page_size
        query_sql = f"""select * from llmusage_accounting_failed {where}
order by failed_time desc limit {page_size} offset {offset}"""
        recs = await sor.sqlExe(query_sql, ns)

        result['rows'] = [dict(r) for r in (recs or [])]
        result['total'] = total
        result['page'] = page
        result['page_size'] = page_size
        result['success'] = True

except Exception as e:
    result['error'] = str(e)

return json.dumps(result, ensure_ascii=False, default=str)