__author__ = 'Helium'

'''
CityMarket Marketplace Crawler (Selenium)
not complete
need to go through multiple pages...
'''

from selenium import webdriver
from selenium.common.exceptions import NoSuchElementException
from selenium.webdriver.firefox.firefox_profile import FirefoxProfile
from selenium.webdriver.firefox.firefox_binary import FirefoxBinary
from selenium.webdriver.firefox.service import Service
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By

from PIL import Image
import urllib.parse as urlparse
import os, re, time
from datetime import date
import subprocess
import configparser
from bs4 import BeautifulSoup
from MarketPlaces.Initialization.prepare_parser import new_parse
from MarketPlaces.NexusMarket.parser import nexus_links_parser
from MarketPlaces.Utilities.utilities import cleanHTML

counter = 1
baseURL = 'http://nexusabcdkq4pdlubs6wk6ad7pobuupzoomoxi6p7l32ci4vjtb2z7yd.onion/'


# Opens Tor Browser, crawls the website, then parses, then closes tor
#acts like the main method for the crawler, another function at the end of this code calls this function later
def startCrawling():
    mktName = getMKTName()
    driver = getAccess()

    if driver != 'down':
        try:
            login(driver)
            crawlForum(driver)
        except Exception as e:
            print(driver.current_url, e)
        closeDriver(driver)

    new_parse(mktName, baseURL, True)


# Returns the name of the website
#return: name of site in string type
def getMKTName():
    name = 'NexusMarket'
    return name


# Return the base link of the website
#return: url of base site in string type
def getFixedURL():
    url = 'http://nexusabcdkq4pdlubs6wk6ad7pobuupzoomoxi6p7l32ci4vjtb2z7yd.onion/'
    return url


# Closes Tor Browser
#@param: current selenium driver
def closeDriver(driver):
    # global pid
    # os.system("taskkill /pid " + str(pro.pid))
    # os.system("taskkill /t /f /im tor.exe")
    print('Closing Tor...')
    driver.close()
    time.sleep(3)
    return


# Creates FireFox 'driver' and configure its 'Profile'
# to use Tor proxy and socket
def createFFDriver():
    from MarketPlaces.Initialization.markets_mining import config

    ff_binary = FirefoxBinary(config.get('TOR', 'firefox_binary_path'))

    ff_prof = FirefoxProfile(config.get('TOR', 'firefox_profile_path'))
    ff_prof.set_preference("places.history.enabled", False)
    ff_prof.set_preference("privacy.clearOnShutdown.offlineApps", True)
    ff_prof.set_preference("privacy.clearOnShutdown.passwords", True)
    ff_prof.set_preference("privacy.clearOnShutdown.siteSettings", True)
    ff_prof.set_preference("privacy.sanitize.sanitizeOnShutdown", True)
    ff_prof.set_preference("signon.rememberSignons", False)
    ff_prof.set_preference("network.cookie.lifetimePolicy", 2)
    ff_prof.set_preference("network.dns.disablePrefetch", True)
    ff_prof.set_preference("network.http.sendRefererHeader", 0)
    ff_prof.set_preference("permissions.default.image", 3)
    ff_prof.set_preference("browser.download.folderList", 2)
    ff_prof.set_preference("browser.download.manager.showWhenStarting", False)
    ff_prof.set_preference("browser.helperApps.neverAsk.saveToDisk", "text/plain")
    ff_prof.set_preference('network.proxy.type', 1)
    ff_prof.set_preference("network.proxy.socks_version", 5)
    ff_prof.set_preference('network.proxy.socks', '127.0.0.1')
    ff_prof.set_preference('network.proxy.socks_port', 9150)
    ff_prof.set_preference('network.proxy.socks_remote_dns', True)
    ff_prof.set_preference("javascript.enabled", False)
    ff_prof.update_preferences()

    service = Service(config.get('TOR', 'geckodriver_path'))

    driver = webdriver.Firefox(firefox_binary=ff_binary, firefox_profile=ff_prof, service=service)

    driver.maximize_window()

    return driver


#the driver 'gets' the url, attempting to get on the site, if it can't access return 'down'
#return: return the selenium driver or string 'down'
def getAccess():
    url = getFixedURL()
    driver = createFFDriver()
    try:
        driver.get(url)
        return driver
    except:
        driver.close()
        return 'down'


# Manual captcha solver, waits fora specific element so that the whole page loads, finds the input box, gets screenshot of captcha
# then allows for manual solving of captcha in the terminal
#@param: current selenium web driver
def login(driver):
    input("Press ENTER when CAPTCHA is complete and login page has loaded\n")

    # entering username and password into input boxes
    usernameBox = driver.find_element(by=By.XPATH, value='//input[@id="username"]')
    # Username here
    usernameBox.send_keys('findingmykeys')
    passwordBox = driver.find_element(by=By.XPATH, value='//input[@id="inputPassword3"]')
    # Password here
    passwordBox.send_keys('ican’tFindMycarKey$')

    input("Press ENTER when CAPTCHA is completed and you exit the newsletter\n")

    # wait for listing page show up (This Xpath may need to change based on different seed url)
    WebDriverWait(driver, 100).until(EC.visibility_of_element_located(
        (By.XPATH, '//*[@id="collapse3"]')))


# Saves the crawled html page, makes the directory path for html pages if not made
def savePage(driver, page, url):
    cleanPage = cleanHTML(driver, page)
    filePath = getFullPathName(url)
    os.makedirs(os.path.dirname(filePath), exist_ok=True)
    open(filePath, 'wb').write(cleanPage.encode('utf-8'))
    return


# Gets the full path of the page to be saved along with its appropriate file name
#@param: raw url as crawler crawls through every site
def getFullPathName(url):
    from MarketPlaces.Initialization.markets_mining import config, CURRENT_DATE

    mainDir = os.path.join(config.get('Project', 'shared_folder'), "MarketPlaces/" + getMKTName() + "/HTML_Pages")
    fileName = getNameFromURL(url)
    if isDescriptionLink(url):
        fullPath = os.path.join(mainDir, CURRENT_DATE + r'\\Description\\' + fileName + '.html')
    else:
        fullPath = os.path.join(mainDir, CURRENT_DATE + r'\\Listing\\' + fileName + '.html')
    return fullPath


# Creates the file name from passed URL, gives distinct name if can't be made unique after cleaned
#@param: raw url as crawler crawls through every site
def getNameFromURL(url):
    global counter
    name = ''.join(e for e in url if e.isalnum())
    if (name == ''):
        name = str(counter)
        counter = counter + 1
    return name


# returns list of urls, here is where you can list the different urls of interest, the crawler runs through this list
#in this example, there are a couple of categories some threads fall under such as
# Guides and Tutorials, Digital Products, and Software and Malware
#as you can see they are categories of products
def getInterestedLinks():
    links = []

    # # Hire hacker
    # links.append('http://wsptlnuoo3johqzcdlwuj5zcwfh2dwmswz6hahqctuxttvxpanypmwad.onion/?sub_id=3')
    # # other
    # links.append('http://wsptlnuoo3johqzcdlwuj5zcwfh2dwmswz6hahqctuxttvxpanypmwad.onion/?sub_id=14')
    # malware
    links.append('http://wsptlnuoo3johqzcdlwuj5zcwfh2dwmswz6hahqctuxttvxpanypmwad.onion/?sub_id=15')
    # ddos
    links.append('http://wsptlnuoo3johqzcdlwuj5zcwfh2dwmswz6hahqctuxttvxpanypmwad.onion/?sub_id=16')
    # software
    links.append('http://wsptlnuoo3johqzcdlwuj5zcwfh2dwmswz6hahqctuxttvxpanypmwad.onion/?sub_id=17')
    # botnet
    links.append('http://wsptlnuoo3johqzcdlwuj5zcwfh2dwmswz6hahqctuxttvxpanypmwad.onion/?sub_id=18')
    # hacking service
    links.append('http://wsptlnuoo3johqzcdlwuj5zcwfh2dwmswz6hahqctuxttvxpanypmwad.onion/?sub_id=31')

    return links


# gets links of interest to crawl through, iterates through list, where each link is clicked and crawled through
#topic and description pages are crawled through here, where both types of pages are saved
#@param: selenium driver
def crawlForum(driver):
    print("Crawling the CityMarket market")

    linksToCrawl = getInterestedLinks()

    i = 0
    while i < len(linksToCrawl):
        link = linksToCrawl[i]
        print('Crawling :', link)
        try:
            has_next_page = True
            count = 0

            while has_next_page:
                try:
                    driver.get(link)
                except:
                    driver.refresh()
                html = driver.page_source
                savePage(driver, html, linksToCrawl[i] + f"page{count+1}")

                list = productPages(html)
                for item in list:
                    # what is this line doing?
                    itemURL = urlparse.urljoin(baseURL, str(item))
                    try:
                        driver.get(itemURL)
                    except:
                        driver.refresh()
                    savePage(driver, driver.page_source, item)
                    driver.back()

                #     # comment out
                #     break
                #
                # # comment out
                # if count == 1:
                #     break

                try:
                    link = driver.find_element(by=By.XPATH, value='//a[@rel="next"]').get_attribute('href')
                    if link == "":
                        raise NoSuchElementException
                    count += 1

                except NoSuchElementException:
                    has_next_page = False

        except Exception as e:
            print(link, e)
        i += 1

    print("Crawling the CityMarket market done.")


# Returns 'True' if the link is a description link
#@param: url of any url crawled
#return: true if is a description page, false if not
def isDescriptionLink(url):
    if 'single_product' in url:
        return True
    return False


# Returns True if the link is a listingPage link
#@param: url of any url crawled
#return: true if is a Listing page, false if not
def isListingLink(url):
    if 'sub_id' in url:
        return True
    return False


# calling the parser to define the links, the html is the url of a link from the list of interested link list
#@param: link from interested link list ie. getInterestingLinks()
#return: list of description links that should be crawled through
def productPages(html):
    soup = BeautifulSoup(html, "html.parser")
    return nexus_links_parser(soup)


# Drop links that "signout"
# def isSignOut(url):
#     #absURL = urlparse.urljoin(url.base_url, url.url)
#     if 'signout' in url.lower() or 'logout' in url.lower():
#         return True
#
#     return False


def crawler():
    startCrawling()
    # print("Crawling and Parsing NexusMarket .... DONE!")