# -*- coding: utf-8 -*-
# filename: handle.py

import hashlib
import web
import event
import receive
import time
import os


class Handle(object):

    def __init__(self):
        # os.path.dirname功能：去掉文件名，返回目录
        # __file__表示了当前文件的path
        self.app_root = os.path.dirname(__file__)
        # os.path.join()函数用于路径拼接文件路径，可以传入多个路径。
        self.templates_root = os.path.join(self.app_root, 'templates')
        self.render = web.template.render(self.templates_root)

    def GET(self):
        try:
            data = web.input()
            print(data)
            if len(data) == 0:
                return "hello, this is handle view"
            signature = data.signature
            timestamp = data.timestamp
            nonce = data.nonce
            echostr = data.echostr
            token = "token"

            list = [token, timestamp, nonce]
            list.sort()
            s = list[0] + list[1] + list[2]
            hashcode = hashlib.sha1(s.encode('utf-8')).hexdigest()
            print("handle/GET func: hashcode, signature: ", hashcode, signature)
            if hashcode == signature:
                return echostr
            else:
                return echostr
        except Exception as Argument:
            return Argument

    def POST(self):
        try:
            webData = web.data()
            print("Handle Post webdata is:\n", webData)
            # 打印消息体日志
            recMsg = receive.parse_xml(webData)
            # 文字类消息
            if isinstance(recMsg, receive.Msg) and recMsg.MsgType == 'text':
                toUser = recMsg.FromUserName
                fromUser = recMsg.ToUserName
                content = "这是一个demo(只回复text类消息)" + str(recMsg.Content)
                print('Reply message info:\n')
                print('toUser =', toUser)
                print('fromUser = ', fromUser)
                print('content = ', content)
                return self.render.reply_text(toUser, fromUser, int(time.time()), content)

            # 菜单点击类信息
            elif isinstance(recMsg, receive.Event) and recMsg.MsgType == 'event':
                toUser = recMsg.FromUserName
                fromUser = recMsg.ToUserName
                eventKey = recMsg.Eventkey
                content = event.checkEvent_id(eventKey)
                print('Reply message info:\n')
                print('toUser =', toUser)
                print('fromUser = ', fromUser)
                print('content = ', content)
                return self.render.reply_text(toUser, fromUser, int(time.time()), content)

            else:
                print("不支持的消息类型：", recMsg.MsgType)
                return "success"
        except Exception as Argment:
            return Argment