import sys
from parsers import myparser
import re
import time
import requests
from discovery.constants import *


class search_googleCSE:

    def __init__(self, word, limit, start):
        self.word = word
        self.files = "pdf"
        self.results = ""
        self.totalresults = ""
        self.server = "www.googleapis.com"
        self.hostname = "www.googleapis.com"
        self.userAgent = "(Mozilla/5.0 (Windows; U; Windows NT 6.0;en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6"
        self.quantity = "10"
        self.limit = limit
        self.counter = 1
        self.api_key = googleCSEAPI_key
        if self.api_key == "":
            raise MissingKey(True)
        self.cse_id = googleCSE_id
        if self.cse_id == "":
            raise MissingKey(False)
        self.lowRange = start 
        self.highRange = start+100

    def do_search(self):
        url = 'https://' + self.server + "/customsearch/v1?key=" + self.api_key + "&highrange=" + str(self.highRange) \
              + '&lowrange=' + str(self.lowRange) + '&cx=' + self.cse_id + "&start=" + str(self.counter) + \
              "&q="+ self.word
        headers = {
            'Host': self.server,
            'User-agent': self.userAgent
        }
        
        h = requests.get(url=url, headers=headers)
        self.results = h.text
        self.totalresults += self.results

    def do_search_files(self,files):
        url = 'https://' + self.server + "/customsearch/v1?key=" + self.api_key + "&highRange=" + str(self.highRange) \
              + '&lowRange=' + str(self.lowRange) + '&cx=' + self.cse_id + "&start=" + str(self.counter) + \
              "&q=filetype:" + files + "%20site:" + self.word
        headers = {
            'Host': self.server,
            'User-agent': self.userAgent
        }
        h = requests.get(url=url, headers=headers)
        self.results = h.text
        self.totalresults += self.results

    def check_next(self):
        renext = re.compile('>  Next  <')
        nextres = renext.findall(self.results)
        if nextres != []:
            nexty = "1"
        else:
            nexty = "0"
        return nexty

    def get_emails(self):
        rawres = myparser.parser(self.totalresults, self.word)
        return rawres.emails()

    def get_hostnames(self):
        rawres = myparser.parser(self.totalresults, self.word)
        return rawres.hostnames()

    def get_files(self):
        rawres = myparser.parser(self.totalresults, self.word)
        return rawres.fileurls(self.files)
   
    def process(self):
        tracker = self.counter + self.lowRange
        while tracker <= self.limit:
            self.do_search()
            ESC = chr(27)
            sys.stdout.write(ESC + '[2K' + ESC+'[G')
            sys.stdout.write("\r\t" + "Searching  " + str(self.counter+self.lowRange) + " results ..." )
            sys.stdout.flush()
            if self.counter == 101:
                self.counter = 1
                self.lowRange += 100
                self.highRange += 100
            else:
                self.counter += 10
            tracker = self.counter + self.lowRange
        
    def store_results(self):
            filename = "debug_results.txt"
            file = open(filename, 'w')
            file.write(self.totalresults)

    def process_files(self, files):
        while self.counter <= self.limit:
            self.do_search_files(files)
            time.sleep(1)
            self.counter += 100
            print("\tSearching " + str(self.counter) + " results...")