#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""List approval instances"""
import json

result = {'success': False, 'rows': [], 'total': 0}

try:
    dbname = get_module_dbname('workflow_approval')
    ns = {
        'page': int(params_kw.get('page', 1)),
        'rows': int(params_kw.get('rows', 20)),
        'sort': 'id'
    }
    sql = """
        SELECT ai.id, ai.workflow_id, aw.name as workflow_name, ai.business_type as module_type, ai.business_id as module_record_id,
               ai.current_step as current_step_id, ai.status, ai.initiator_id, ai.org_id,
               ai.initiated_at as created_at, ai.completed_at
        FROM approval_instance ai
        LEFT JOIN approval_workflow aw ON ai.workflow_id = aw.id
    """

    async with DBPools().sqlorContext(dbname) as sor:
        data = await sor.sqlExe(sql, ns)
        if isinstance(data, dict):
            result['total'] = data.get('total', 0)
            result['rows'] = [dict(r) for r in data.get('rows', [])]
        else:
            result['rows'] = [dict(r) for r in (data or [])]
            result['total'] = len(result['rows'])
        result['success'] = True
except Exception as e:
    result['error'] = str(e)

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