import asyncio
import json

from tornado.httpclient import HTTPResponse, HTTPRequest

import dock
from dock.dcm import dcm_api
from models.dcm_task import DcmTask
from paste.util import udict
from paste.web import requests

DisposeFormId = 377
DisposeFormName = '便民批转'

RollbackFormId = 352
RollbackFormName = '便民回退'

FormIdMap = {
    DisposeFormId: DisposeFormName,
    RollbackFormId: RollbackFormName,
}


async def get_convenient_form_request(rec_id: int, act_id: int, form_id: int = DisposeFormId):
    """
    获取 DCM 企业待办的便民表单组件。

    向 DCM 的便民表单组件接口发送 GET 请求，获取与指定关系 ID 和类型 ID 关联的可用菜单信息。
    自动注入有效的 Cookie（如 JSESSIONID）至请求头，并解析返回的 JSON 数据。

    Args:
        rec_id (int): 记录 ID
        act_id (int): 任务 ID
        form_id (str): 项目类型，允许输入：377、352，默认：377，表示读取："便民批转"表单，为空时读取："便民回退"表单
    """
    api_url = f"/home/form/formpreview/getforminfo"
    request_body = {
        "formID": form_id if form_id in tuple(FormIdMap.keys()) else DisposeFormId,
        "formName": FormIdMap.get(form_id) if form_id in tuple(FormIdMap.keys()) else DisposeFormName,
        "param": {
            "recID": rec_id,
            "actID": act_id,
        },
    }
    # 构造 API 请求
    return await dcm_api.new_api_request(api_url, request_body, 'POST', timeout=30)


async def after_convenient_form_request(response: HTTPResponse, retry_queue: asyncio.Queue[HTTPRequest]):
    response_body = response.body.decode()
    response_data = json.loads(response_body)
    setattr(response.request, "response_data", response_data)


async def fetch_form_components(dcm_task: DcmTask, form_id: int = DisposeFormId):
    """
    抓取便民表单组件。

    :param dcm_task: 数字城管待办工单ID
    :param form_id: 项目类型，允许输入：377、352，默认：377，表示读取："便民批转"表单，为空时读取："便民回退"表单
    :return:
    """
    # 取得请求对象
    list_menu_request = await get_convenient_form_request(dcm_task.rec_id, dcm_task.act_id, form_id)
    request_queue = asyncio.Queue()
    await request_queue.put(list_menu_request)
    await requests.async_concurrency(
        request_queue, con_count=dock.CONCURRENCY_COUNT, retry=dock.MAX_RETRY_COUNT,
        after_request=after_convenient_form_request
    )
    response_data = getattr(list_menu_request, "response_data")
    component_list: list[dict] = udict.get_by_path(response_data, 'resultInfo.data.form.componentList')
    return component_list


if __name__ == "__main__":
    from paste.core import aio_pool

    async def test(dcm_task_id, form_id):
        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}"
        await fetch_form_components(dcm_task, form_id)

    _runner = aio_pool.get_aio_runner()
    _runner(test(2054174091287597056, '352'))