# -*- coding: utf-8 -*-
# !/usr/bin/env python

"""
    web.wechat3rd.views
    ~~~~~~~~~
"""

import logging

from django.http import HttpResponse
from django.views.decorators.http import require_POST
from typing import TYPE_CHECKING

from apps.web.core.bridge.wechat import MyWeChatComponent, MyWeChatComponentClient
from library.wechatpy.messages import ComponentVerifyTicketMessage, ComponentUnauthorizedMessage, \
    ComponentAuthorizedMessage, ComponentUpdateAuthorizedMessage, ComponentUnknownMessage, TextMessage
from library.wechatpy.messages import BaseMessage

if TYPE_CHECKING:
    from django.core.handlers.wsgi import WSGIRequest

logger = logging.getLogger(__name__)


@require_POST
def componentEvents(request):
    # type: (WSGIRequest)->HttpResponse

    try:
        component = MyWeChatComponent.instance()  # type: MyWeChatComponent
        if not component:
            logger.error('not find correct component.')
        else:
            msgSignature = request.GET.get("msg_signature")
            timeStamp = request.GET.get("timestamp")
            nonce = request.GET.get("nonce")

            decrypt_msg = component.parse_message(request.body, msgSignature, timeStamp, nonce)

            if isinstance(decrypt_msg, ComponentVerifyTicketMessage):
                pass
            elif isinstance(decrypt_msg, ComponentUnauthorizedMessage):
                pass
            elif isinstance(decrypt_msg, ComponentAuthorizedMessage):
                pass
            elif isinstance(decrypt_msg, ComponentUpdateAuthorizedMessage):
                pass
            elif isinstance(decrypt_msg, ComponentUnknownMessage):
                pass
    except Exception as e:
        logger.exception(e)

    return HttpResponse('success')


def authNotify(request):
    # type: (WSGIRequest)->HttpResponse

    try:
        component = MyWeChatComponent.instance()  # type: MyWeChatComponent
        if not component:
            logger.error('not find correct component.')
        else:
            auth_code = request.GET.get('auth_code')
            component.do_auth(auth_code)
    except Exception as e:
        logger.exception(e)
    finally:
        return HttpResponse('success')


def authorizerEvents(request, authorizer_appid):
    try:
        component = MyWeChatComponent.instance()  # type: MyWeChatComponent
        if not component:
            logger.error('not find correct component.')
        else:
            msgSignature = request.GET.get("msg_signature")
            timeStamp = request.GET.get("timestamp")
            nonce = request.GET.get("nonce")

            message = component.parse_authorizer_message(request.body, msgSignature, timeStamp,
                                                         nonce)  # type: BaseMessage
            if isinstance(message, TextMessage):
                logger.debug('text message is: {}.'.format(str(message)))

                if message.content == 'TESTCOMPONENT_MSG_TYPE_TEXT':
                    MyWeChatComponentClient(authorizer_appid, component).message.send_text(
                        message.source, 'TESTCOMPONENT_MSG_TYPE_TEXT_callback')
                elif message.content == 'TEST':
                    MyWeChatComponentClient(authorizer_appid, component).message.send_text(
                        message.source, 'ECHO TEST')

                elif 'QUERY_AUTH_CODE' in message.content:
                    auth_code = message.content.split(':')[1]
                    component.do_auth(auth_code)

                    MyWeChatComponentClient(authorizer_appid, component).message.send_text(
                        message.source, '{}_from_api'.format(auth_code))

    except Exception as e:
        logger.exception(e)

    return HttpResponse('')