"""
接受OA请求，读取数字城管的便民表单。
"""
import logging

from apps.api import dcm
from apps.app_handler import AppHandler
from dock.dcm import dcm_scrape_conv_dispose
from models.dcm_task import DcmTask
from paste.core.logging import echo_log
from paste.web.decorators import route


@route(f'{dcm.ApiPrefix}/fetchDisposeForm')
class FetchConvenientFormHandler(AppHandler):
    """
    获取便民表单接口。

    对接数字城管系统的获取便民表单接口，用于判断工单有哪些便民表单。
    """

    async def fetch_form(self, **kwargs) -> dict:
        # 必填参数校验
        required_keys = ['gdId', 'formId']
        missing = [
            k for k in required_keys
            if k not in kwargs or kwargs[k] is None
        ]
        if missing:
            raise ValueError(f"缺少必要参数: {missing}")

        dcm_task_id = kwargs.get('gdId', '')
        dcm_task = await DcmTask(id=dcm_task_id).async_find_first()
        assert dcm_task, f"未找到待办工单，工单ID：{dcm_task_id}"

        form = await dcm_scrape_conv_dispose.fetch_form(dcm_task)
        return {
            'msg': '获取便民批转表单成功.',
            'form': form,
        }

    # @auth_token
    async def post(self):
        """
        处理 POST 请求。

        ---
        tags:
        - D3I API
        summary: 获取便民表单接口
        """
        try:
            echo_log(self.request.body.decode())
            _, params = self.get_request_params()
            _result = await self.fetch_form(**params)
            self.response_ok(code=0, data=_result)
        except Exception as e:
            self.response_error(e, status_code=200, api_status_code=500)
            self.log(msg=e, level=logging.ERROR, is_log_exc=True)