# -*- coding: utf-8 -*-
import sys
import json
import re
import os
sys.path.append(os.path.abspath("../.."))

os.environ['KERAS_BACKEND']='tensorflow'
from module.Utils import log
"""
Created on Fri Jun  1 18:03:03 2018

@author: DONG
"""

from module import extractFlow
from flask import Flask, jsonify
from flask import abort
from flask import request
import time
import uuid
from module.Utils import xpath2css

app = Flask(__name__)
app.config['JSON_AS_ASCII'] = False

def transformInterface(_dict):

    trans_dict = {}
    trans_dict["status_code"] = _dict.get("status_code",500)
    flag = True
    listpage_a = _dict.get("listpage_A")
    listpage_date = _dict.get("listpage_Date")
    if listpage_a  and listpage_date:
        if listpage_a[0]==listpage_date[0]:
            ruleValue = listpage_a[0]
            # trans_dict["listPageNode"] = {"ruleType":"xpath",
            #                               "ruleValue":ruleValue,
            #                               "ruleKey":""}
            trans_dict["listPageNode"] = {"ruleType": "css",
                                          "ruleValue": xpath2css(ruleValue),
                                          "ruleKey": ""}
        else:
            flag = False
    else:
        flag = False

    listpage_turn_before = _dict.get("listpage_turn_before")
    listpage_turn_after = _dict.get("listpage_turn_after")
    listpage_pageStep = _dict.get("listpage_pageStep")

    listpage_nextPage = _dict.get("listpage_nextPage")
    _nextPage = False
    if listpage_nextPage:
        _nextPage = True
    trans_dict["needGetNextPage"] = _nextPage
    if listpage_turn_before is not None and listpage_turn_after is not None and listpage_pageStep is not None:
        if listpage_pageStep>0:
            paramOrder = 1
        else:
            paramOrder = 0

        ruleType = 0
        ruleValue = "%sbdPageNum%s"%(listpage_turn_before,listpage_turn_after)

        trans_dict["nextPageRule"] = {"ruleType":ruleType,
                                      "paramOrder":paramOrder,
                                      "ruleLink":ruleValue
                                      }
        trans_dict["needGetNextPage"] = True

    else:
        flag = False
    detail_date = _dict.get("detail_date")
    trans_dict["needDetailTime"] = False
    if detail_date:
        # trans_dict["detailDateNode"] = {"ruleType": "xpath",
        #                                 "ruleValue": detail_date
        #                                 }
        trans_dict["detailDateNode"] = {"ruleType": "css",
                                        "ruleValue": xpath2css(detail_date)
                                        }
        trans_dict["needDetailTime"] = True
    else:
        flag = False
    detail_title = _dict.get("detail_title")
    trans_dict["needDetailTitle"] = False
    if detail_title:
        # trans_dict["detailTitleNode"] = {"ruleType": "xpath",
        #                                  "ruleValue": detail_title
        #                                  }
        trans_dict["detailTitleNode"] = {"ruleType": "css",
                                         "ruleValue": xpath2css(detail_title)
                                         }
        trans_dict["needDetailTitle"] = True
    else:
        flag = False
    detail_content = _dict.get("detail_content")
    if detail_content:
        # trans_dict["detailContentNode"] = {"ruleType": "xpath",
        #                                    "ruleValue": detail_content
        #                                    }
        trans_dict["detailContentNode"] = {"ruleType": "css",
                                           "ruleValue": xpath2css(detail_content)
                                           }
    else:
        flag = False
    detail_removeList = _dict.get("detail_removeList")
    if detail_removeList:
        trans_dict["detailRemoveNode"] = "//".join(detail_removeList)
    trans_dict["flag"] = flag
    return trans_dict




@app.route('/content_extract', methods=['POST'])
def text_predict():
    start_time = time.time()
    # 初始化待返回结果
    data = {"listpage_url": "","status_code":201}
    MAX_CONTENT = 150000
    # 确保请求符合要求
    if request.method == "POST":
        if (not request.json) or ('listpage_url' not in request.json):
            abort(400)
        else:
            try:
                k = str(uuid.uuid4())
                data["id"] = str(k)
                listpage_url = request.json["listpage_url"]
                log("begin to getting rule of listpage:"+str(listpage_url))
                if re.search("http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+",listpage_url) is None:
                    data["status_code"] = 400
                    abort(400)
                else:
                    data = extractFlow.ruleExtract(listpage_url)
                log("done for setting result of listpage:"+str(listpage_url))
                data["listpage_url"] = listpage_url
            except Exception as e:
                app.logger.info(msg="error:"+str(e),extra={"chain":""})
                data["error_msg"] = str(e)
                        
                
        # 以json形式返回结果
        log(" time from receive to send: "+str(time.time()-start_time))

        data = transformInterface(data)
        # log(str(data))

        _resp = jsonify(data)
        #log(str(data["flag"])+str(data))
        return _resp, 201


if __name__ == '__main__':
    app.run(host='192.168.2.65', port=15015, threaded=True, debug=False) #15015  2.65
    log("ContentExtractor running")