# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Class holds default settings for json requests                -
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
import sys

if sys.version_info[0] != 3:
    print("This script requires Python 3")
    exit()

import urllib.request
import urllib.parse
import json


class LFRequest:
    Default_Base_URL = "http://localhost:8080"
    requested_urls = []
    post_datas = []
    default_headers = {
        'Accept': 'application/json'}

    def __init__(self, urls):
        self.requested_urls.append(urls)

    # request first url on stack
    def formPost(self):
        responses = []
        urlenc_data = ""
        if ((len(self.post_datas) > 0) and (self.post_datas[0] != None)):
            urlenc_data = urllib.parse.urlencode(self.post_datas.pop(0)).encode("utf-8")
            #print("data looks like:" + str(urlenc_data))
            request = urllib.request.Request(url=self.requested_urls.pop(0),
                                             data=urlenc_data,
                                             headers=self.default_headers)
        else:
            request = urllib.request.Request(url=self.requested_urls.pop(0), headers=self.default_headers)
            print("No data for this jsonPost?")

        request.headers['Content-type'] = 'application/x-www-form-urlencoded'
        responses.append(urllib.request.urlopen(request))
        return responses[0]

    def jsonPost(self):
        responses = []
        if ((len(self.post_datas) > 0) and (self.post_datas[0] != None)):
            request = urllib.request.Request(url=self.requested_urls.pop(0),
                                             data=json.dumps(self.post_datas.pop(0)).encode("utf-8"),
                                             headers=self.default_headers)
        else:
            request = urllib.request.Request(url=self.requested_urls.pop(0), headers=self.default_headers)
            print("No data for this jsonPost?")

        request.headers['Content-type'] = 'application/json'
        responses.append(urllib.request.urlopen(request))
        return responses[0]

    def get(self):
        myrequest = urllib.request.Request(url=self.requested_urls.pop(0), headers=self.default_headers)
        myresponses = []
        # print(responses[0].__dict__.keys()) is how you would see parts of response
        try:
            myresponses.append(urllib.request.urlopen(myrequest))
            return myresponses[0]
        except:
            print("Error: ", sys.exc_info()[0])

        return None

    def getAsJson(self):
        responses = []
        responses.append(self.get())
        if (len(responses) < 1):
            return None

        if ((responses[0] == None) or (responses[0].status != 200)):
            print("Item not found")
            return None

        json_data = json.loads(responses[0].read())
        return json_data

    def addPostData(self, post_data):
        self.post_datas.append(post_data)

# ~LFRequest