#!/usr/bin/env python3
"""
产品使用标准化接口 (按机构隔离)
参数:
  product_id: 产品ID
  order_id: 订单ID (可选)
  use_data: 使用附加数据 (JSON字符串)
  org_id: 机构ID (可选)
返回:
  {success, use_record_id, data: {product_info, extra_parsed}}
"""
import json, time
from appPublic.uniqueID import getID

result = {'success': False, 'use_record_id': '', 'message': '', 'data': {}}

try:
    user_id = await get_user()
    org_id = params_kw.get('org_id', None) or (await get_userorgid()) or '0'
    now = time.strftime('%Y-%m-%d %H:%M:%S')

    product_id = params_kw.get('product_id', '')
    order_id = params_kw.get('order_id', '')
    use_data = params_kw.get('use_data', '{}')

    if not product_id:
        result['message'] = '缺少product_id参数'
        return json.dumps(result, ensure_ascii=False)

    dbname = get_module_dbname('product_management')
    sql = """SELECT * FROM product WHERE id = ${product_id}$ AND status = '1' AND org_id = ${org_id}$"""

    async with DBPools().sqlorContext(dbname) as sor:
        rows = await sor.sqlExe(sql, {'product_id': product_id, 'org_id': org_id})
        if not rows:
            result['message'] = '产品不存在或无权访问'
            return json.dumps(result, ensure_ascii=False)

        product = dict(rows[0])

        # Parse extra_json for the product
        extra_parsed = {}
        extra_str = product.get('extra_json', '')
        if extra_str:
            try:
                extra_parsed = json.loads(extra_str)
            except:
                pass

        # Verify purchase (if table exists)
        try:
            purchase_sql = """SELECT * FROM purchase_orders
                             WHERE product_id = ${product_id}$
                             AND buyer_id = ${user_id}$
                             AND buyer_org_id = ${org_id}$
                             AND status IN ('active', 'pending')"""
            purchases = await sor.sqlExe(purchase_sql, {
                'product_id': product_id,
                'user_id': user_id,
                'org_id': org_id
            })
            if not purchases and not order_id:
                result['message'] = '您尚未购买此产品'
                return json.dumps(result, ensure_ascii=False)
        except:
            pass

        use_record_id = getID()
        result['success'] = True
        result['use_record_id'] = use_record_id
        result['data'] = {
            'product_info': {
                'id': product['id'],
                'name': product['product_name'],
                'code': product['product_code'],
                'product_type': product.get('product_type', '')
            },
            'extra_parsed': extra_parsed
        }
        result['message'] = '产品使用成功'

except Exception as e:
    result['message'] = '使用失败: ' + str(e)

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