#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Customer update API"""
import json, time

result = {'widgettype': 'Message', 'options': {'title': 'Error', 'message': 'Invalid request', 'type': 'error'}}

try:
    record_id = params_kw.get('id', '').strip()
    if not record_id:
        result['options'] = {'title': 'Error', 'message': '记录ID不能为空', 'type': 'error'}
    else:
        dbname = get_module_dbname('customer_management')
        now = time.strftime('%Y-%m-%d %H:%M:%S')
        
        fields = ['customer_name', 'customer_type', 'phone', 'email', 'tax_id', 'industry', 'customer_level', 'address', 'owner_id', 'region', 'status']
        set_parts = []
        params = {'id': record_id}
        for f in fields:
            val = params_kw.get(f, None)
            if val is not None:
                set_parts.append(f + " = ${" + f + "}$")
                params[f] = val
        
        set_parts.append("updated_at = ${updated_at}$")
        params['updated_at'] = now
        
        if len(set_parts) <= 1:
            result['options'] = {'title': 'Error', 'message': '没有可更新的字段', 'type': 'error'}
        else:
            sql = "UPDATE customers SET " + ", ".join(set_parts) + " WHERE id = ${id}$"
            async with DBPools().sqlorContext(dbname) as sor:
                await sor.sqlExe(sql, params)
            result = {'widgettype': 'Message', 'options': {'title': 'Success', 'message': '更新成功', 'type': 'success'}}

except Exception as e:
    result['options'] = {'title': 'Error', 'message': '更新失败: ' + str(e), 'type': 'error'}

return json.dumps(result, ensure_ascii=False)