# 为选中的促销码生成二维码
from ahserver.serverenv import ServerEnv
from appPublic.qr import gen_qr_withlogo
from appPublic.jsonConfig import getConfig
from ahserver.filestorage import FileStorage
from sqlor.dbpools import DBPools
from appPublic.uniqueID import getID

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

try:
    env = ServerEnv()
    dbname = env.get_module_dbname('discount')
    promo_id = params_kw.get('id', '')

    if not promo_id:
        raise Exception('Missing promo code id')

    async with DBPools().sqlorContext(dbname) as sor:
        recs = await sor.R('discount_promo_code', {'id': promo_id})
        if not recs:
            raise Exception(f'Promo code {promo_id} not found')

    # QR code URL: 扫码后进入促销绑定页面
    config = getConfig()
    qr_url = env.entire_url('./promote') + f'?code={promo_id}'
    fs = FileStorage()
    p = fs._name2path(f'{getID()}.png')
    gen_qr_withlogo(qr_url, p, logopath=config.logopath, logoloc='cc')
    webp = fs.webpath(p)
    qr_file_url = env.entire_url('/idfile') + f'?path={webp}'

    result = {
        "widgettype": "VBox",
        "options": {"width": "100%", "height": "100%", "spacing": 10},
        "subwidgets": [
            {
                "widgettype": "Image",
                "options": {
                    "width": "340px",
                    "height": "340px",
                    "url": qr_file_url
                }
            },
            {
                "widgettype": "HBox",
                "options": {"width": "100%", "cheight": 2},
                "subwidgets": [
                    {
                        "widgettype": "Text",
                        "options": {"otext": "促销码:", "i18n": True, "cwidth": 5}
                    },
                    {
                        "widgettype": "Text",
                        "options": {"text": promo_id}
                    }
                ]
            },
            {
                "widgettype": "HBox",
                "options": {"width": "100%", "cheight": 2},
                "subwidgets": [
                    {
                        "widgettype": "Text",
                        "options": {"otext": "链接:", "i18n": True, "cwidth": 5}
                    },
                    {
                        "widgettype": "Text",
                        "options": {"text": qr_url, "css": "text-muted"}
                    }
                ]
            }
        ]
    }
except Exception as e:
    result = {'widgettype': 'Message', 'options': {'title': 'Error', 'message': str(e), 'type': 'error'}}