# coding=utf-8
import os
import time
import sys
import urllib
import json
import requests
#import xmltodict

# Demo示例，需要在具体项目具体场景下自行实现相关调用逻辑

class XiaoMiNlu:
    def __init__(self):
        self.nlpUrl = 'http://39.106.157.134:8110/chatbot/chat/ivr?'
        self.appId = 402
    def makeUrl(self, sessionId, asrResult, asrBeginTime, asrEndTime, emotionValue, vendorParams):
        #http://39.106.157.134:8110/chatbot/chat/ivr?AppId=402&Utterance=%E4%BD%A0%E5%A5%BD&VendorParam={%22index%22:%221%22}&SessionId=ee8a166cd1cc4bab
        url = self.nlpUrl + "AppId=" + str(self.appId) + "&Utterance=" + urllib.quote(asrResult)
        if sessionId is not None and sessionId != "":
            url = url + "&SessionId=" + sessionId
        if vendorParams is not None and vendorParams != "":
            #按需将 k1=v1;k2=v2;k3=v3的形式转成json格式(云小蜜调用要求)
            items = vendorParams.split(';')
            d = dict()
            for item in items:
                key,value = item.split('=')
                d[key] = value
            url = url + "&VendorParam=" + json.dumps(d)
        return url

    def request(self, ssionId, asrResult, asrBeginTime, asrEndTime, emotionValue, vendorParams):
        url = self.makeUrl(ssionId, asrResult, asrBeginTime, asrEndTime, emotionValue, vendorParams)
        req = requests.get(url)
        if(req.status_code != 200):
            print req.text
            print "ERROR url(%s), request Fail(%d)" % (url, req.status_code)
            return ""
        '''
        {
            "SessionId": "123f",
            "MessageId": "601762b2951e4a2381e26ec0a2703fc7",
            "Messages": [
                {
                    "Type": "Text",
                    "Text": {
                        "Content": "{\"INTEL_CUST_HEAD\":{\"RESP_DESC\":\"\",\"APP_ID\":\"  \",\"RESP_CODE\":\"\",\"TIMESTAMP\":\"\",\"TRANS_ID\":\"\"},\"INTEL_CUST_BODY\":{\"RESP_DESC\":\"\",\"OPERTYPE\":\"0\",\"RESP_CODE\":\"0000\",\"BROADCAST1\":\"engine \",\"INTERRUPT1\":\"\"}}",
                        "AnswerSource": "ChitChat"
                    }
                }
            ]
        }
        '''
        # 按需对NLU的返回进行解析，获取需要关注的内容并打包为xml格式返回：此处示例只获取"Messages->Text->Content"字段对应的值
        print "result = ", req.text
        jss = json.loads(req.text.encode('utf-8'))
        reply = ""
        if(jss.has_key('Messages') and jss['Messages'][0].has_key('Text')):
            result = jss['Messages'][0]['Text']
            if result.has_key('Content'):
                reply = result['Content'].encode('utf-8')

        # 把 json格式转为xml格式(MRCPSERVER和IVR交互时只有XML格式)
        reply_json = json.loads(reply)
        #print type(reply_json), reply_json
        #xmlstr = xmltodict.unparse(reply_json, full_document=False)
        xmlstr = "<f>fff</f>"
        #print "xmlstr = ", xmlstr
        return xmlstr

def nluRequest(sessionId, asrResult, asrBeginTime, asrEndTime, emotionValue, vendorParams):
    print "python nluRequest = ", sessionId, asrResult, asrBeginTime, asrEndTime, emotionValue, vendorParams
    ''' 需要NLU服务关注asrResult的取值范围：
    NO-MTACH   : 检测到了语音(vad检测到了起始点)，但ASR并没有得到有效的结果，这种一般是客户声音过小、背景音过大、声音有能量但无法听到实际内容导致
    NO-INPUT-TIMEOUT    : 无话超时，也即：用户侧没有说法，全是静音
    ASR-ERROR   : 调用ASR进行识别，可能需要NLU服务进行兜底处理
    其他情况    : 用户语音的ASR识别结果
    '''
    if asrResult == "NO-MTACH":
        print "check speech, but no valid result!"
    elif asrResult == "NO-INPUT-TIMEOUT":
        print "check no speech, user may be not speak!"
    elif asrResult == "ASR-ERROR":
        print "call ASR failure, you should hold this!"
    else:
        print "check speech, and recognized success: ", asrResult

    #time.sleep(1)
    # 注意：一定要返回如下格式
    # 返回<k1>fff</k1>类似结构，该结构即是xml格式(去掉xml头))
    return "<key>value</key>"
    nlu = XiaoMiNlu()
    return nlu.request(sessionId, asrResult, asrBeginTime, asrEndTime, emotionValue, vendorParams)

if __name__ == '__main__':
    print nluRequest("123f", "你好", 1234, 4569, 5, "ke=1;phone=123;callid=zxcvb"), "\n"
    print nluRequest("123f", "WELCOME", 1234, 4569, 0, "ke=1"), "\n"
    print nluRequest("123f", "NO-MTACH", 1234, 4569, 0, "ke=1"), "\n"
    print nluRequest("123f", "NO-INPUT-TIMEOUT", 1234, 1, 4569, "ke=1"), "\n"
    print nluRequest("123f", "ASR-ERROR", 1234, 4569, 0, ""), "\n"
    print "Game Over"