################################################################################
#      Copyright (C) 2019 drinfernoo                                           #
#                                                                              #
#  This Program is free software; you can redistribute it and/or modify        #
#  it under the terms of the GNU General Public License as published by        #
#  the Free Software Foundation; either version 2, or (at your option)         #
#  any later version.                                                          #
#                                                                              #
#  This Program is distributed in the hope that it will be useful,             #
#  but WITHOUT ANY WARRANTY; without even the implied warranty of              #
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                #
#  GNU General Public License for more details.                                #
#                                                                              #
#  You should have received a copy of the GNU General Public License           #
#  along with XBMC; see the file COPYING.  If not, write to                    #
#  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.       #
#  http://www.gnu.org/copyleft/gpl.html                                        #
################################################################################

import xbmc
import xbmcgui

import hashlib
import math
import os
import re
import socket
import sys
import threading
import timeit

import xml.etree.ElementTree as ET
from xml.dom import minidom as DOM

try:
    from urllib.request import urlopen
    from urllib.request import Request
    from urllib.request import HTTPError
    from urllib.request import URLError
    from urllib.parse import urlparse
    from urllib.parse import parse_qs
    from http.client import HTTPConnection
    from http.client import HTTPSConnection
    from queue import Queue
except ImportError:
    from urllib2 import urlopen
    from urllib2 import Request
    from urllib2 import HTTPError
    from urllib2 import URLError
    from urlparse import urlparse
    from urlparse import parse_qs
    from httplib import HTTPConnection
    from httplib import HTTPSConnection
    from Queue import Queue

from resources.libs.common.config import CONFIG
from resources.libs.common import logging
from resources.libs.common import tools

__version__ = '0.3.5'
user_agent = 'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36 SE 2.X MetaSr 1.0'
source = None
shutdown_event = None
scheme = 'http'
socket_socket = socket.socket


class SpeedtestCliServerListError(Exception):
    """
"""


def bound_socket(*args, **kwargs):
    global source
    sock = socket_socket(*args, **kwargs)
    sock.bind((source, 0))
    return sock


def distance(origin, destination):
    (lat1, lon1) = origin
    (lat2, lon2) = destination
    radius = 6371  # km

    dlat = math.radians(lat2 - lat1)
    dlon = math.radians(lon2 - lon1)
    a = math.sin(dlat / 2) * math.sin(dlat / 2) \
        + math.cos(math.radians(lat1)) * math.cos(math.radians(lat2)) \
        * math.sin(dlon / 2) * math.sin(dlon / 2)
    c = 2 * math.atan2(math.sqrt(a), math.sqrt(1 - a))
    d = radius * c

    return d


def build_request(url, data=None, headers={}):
    if url[0] == ':':
        schemed_url = '{0}{1}'.format(scheme, url)
    else:
        schemed_url = url
    headers['User-Agent'] = user_agent
    return Request(schemed_url, data=data, headers=headers)


def catch_request(request):
    try:
        uh = urlopen(request)
        return uh
    except (HTTPError, URLError, socket.error):
        e = sys.exc_info()[1]
        logging.log("Speedtest Error: {0}".format(e), level=xbmc.LOGDEBUG)

        return None, e


class FileGetter(threading.Thread):

    def __init__(self, url, start):
        self.url = url
        self.result = None
        self.starttime = start
        threading.Thread.__init__(self)

    def run(self):
        self.result = [0]
        try:
            if timeit.default_timer() - self.starttime <= 10:
                request = build_request(self.url)
                f = urlopen(request)
                while 1 and not shutdown_event.isSet():
                    self.result.append(len(f.read(10240)))
                    if self.result[-1] == 0:
                        break
                f.close()
        except IOError:
            pass


def download_speed(files, quiet=False):
    start = timeit.default_timer()

    def producer(q, files):
        for file in files:
            thread = FileGetter(file, start)
            thread.start()
            q.put(thread, True)
            if not quiet and not shutdown_event.isSet():
                sys.stdout.write('.')
                sys.stdout.flush()

    finished = []

    def consumer(q, total_files):
        while len(finished) < total_files:
            thread = q.get(True)
            while thread.isAlive():
                thread.join(timeout=0.1)
            finished.append(sum(thread.result))
            del thread

    q = Queue(6)
    prod_thread = threading.Thread(target=producer, args=(q, files))
    cons_thread = threading.Thread(target=consumer, args=(q, len(files)))
    start = timeit.default_timer()
    prod_thread.start()
    cons_thread.start()

    while prod_thread.isAlive():
        prod_thread.join(timeout=0.1)

    while cons_thread.isAlive():
        cons_thread.join(timeout=0.1)

    return sum(finished) / (timeit.default_timer() - start)


class FilePutter(threading.Thread):

    def __init__(self, url, start, size):
        self.url = url
        chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'
        data = chars * int(round(int(size) / 36.0))
        self.data = ('content1={0}'.format(data[0:int(size) - 9])).encode('utf-8')
        del data
        self.result = None
        self.starttime = start
        threading.Thread.__init__(self)

    def run(self):
        try:
            if timeit.default_timer() - self.starttime <= 10 and not shutdown_event.isSet():
                request = build_request(self.url, data=self.data)
                f = urlopen(request)
                f.read(11)
                f.close()
                self.result = len(self.data)
            else:
                self.result = 0
        except IOError:
            self.result = 0


def upload_speed(url, sizes, quiet=False):
    start = timeit.default_timer()

    def producer(q, sizes):
        for size in sizes:
            thread = FilePutter(url, start, size)
            thread.start()
            q.put(thread, True)
            if not quiet and not shutdown_event.isSet():
                sys.stdout.write('.')
                sys.stdout.flush()

    finished = []

    def consumer(q, total_sizes):
        while len(finished) < total_sizes:
            thread = q.get(True)
            while thread.isAlive():
                thread.join(timeout=0.1)
            finished.append(thread.result)
            del thread

    q = Queue(6)
    prod_thread = threading.Thread(target=producer, args=(q, sizes))
    cons_thread = threading.Thread(target=consumer, args=(q,
                                   len(sizes)))
    start = timeit.default_timer()
    prod_thread.start()
    cons_thread.start()

    while prod_thread.isAlive():
        prod_thread.join(timeout=0.1)

    while cons_thread.isAlive():
        cons_thread.join(timeout=0.1)

    return sum(finished) / (timeit.default_timer() - start)


def get_attributes_by_tag_name(dom, tagName):
    elem = dom.getElementsByTagName(tagName)[0]
    return dict(list(elem.attributes.items()))


def get_config():
    request = build_request('http://www.speedtest.net/speedtest-config.php')
    uh = catch_request(request)
    if uh is False:
        logging.log('No se pudo recuperar la configuración de speedtest.net: {0}'.format(uh), level=xbmc.LOGDEBUG)
        sys.exit(1)

    configxml = []

    while 1:
        configxml.append(uh.read(10240))
        if len(configxml[-1]) == 0:
            break
    if int(uh.code) != 200:
        return None
    uh.close()
    try:
        try:
            root = ET.fromstring(''.encode('utf-8').join(configxml))
            config = {
                'client': root.find('client').attrib,
                'times': root.find('times').attrib,
                'download': root.find('download').attrib,
                'upload': root.find('upload').attrib,
                }
        except Exception:
            root = DOM.parseString(''.join(configxml))
            config = {
                'client': get_attributes_by_tag_name(root, 'client'),
                'times': get_attributes_by_tag_name(root, 'times'),
                'download': get_attributes_by_tag_name(root, 'download'),
                'upload': get_attributes_by_tag_name(root, 'upload'),
                }
    except SyntaxError:
        logging.log('No se pudo recuperar la configuración de speedtest.net:', level=xbmc.LOGDEBUG)
        sys.exit(1)

    del root
    del configxml
    return config


def closest_servers(client, all=False):
    urls = ['http://www.speedtest.net/speedtest-servers-static.php',
            'https://www.speedtest.net/speedtest-servers-static.php']
    errors = []
    servers = {}
    for url in urls:
        try:
            request = build_request(url)
            uh = catch_request(request)
            if uh is False:
                errors.append('{0}'.format(uh))
                raise SpeedtestCliServerListError
            serversxml = []
            while 1:
                serversxml.append(uh.read(10240))
                if len(serversxml[-1]) == 0:
                    break
            if int(uh.code) != 200:
                uh.close()
                raise SpeedtestCliServerListError
            uh.close()
            try:
                try:
                    root = ET.fromstring(''.encode().join(serversxml))
                    elements = root.getiterator('server')
                except Exception:
                    root = DOM.parseString(''.join(serversxml))
                    elements = root.getElementsByTagName('server')
            except SyntaxError:
                raise SpeedtestCliServerListError
            for server in elements:
                try:
                    attrib = server.attrib
                except AttributeError:
                    attrib = dict(list(server.attributes.items()))
                d = distance([float(client['lat']), float(client['lon'])], [float(attrib.get('lat')),
                                                                            float(attrib.get('lon'))])
                attrib['d'] = d
                if d not in servers:
                    servers[d] = [attrib]
                else:
                    servers[d].append(attrib)

            del root
            del serversxml
            del elements
        except SpeedtestCliServerListError:
            continue
        if servers:
            break
    if not servers:
        logging.log('Failed to retrieve list of speedtest.net servers: {0}'.format('\n'.join(errors)), level=xbmc.LOGDEBUG)
        sys.exit(1)
    closest = []
    for d in sorted(servers.keys()):
        for s in servers[d]:
            closest.append(s)
            if len(closest) == 5 and not all:
                break
        else:
            continue
        break
    del servers
    return closest


def get_best_server(servers):
    results = {}
    for server in servers:
        cum = []
        url = '{0}/latency.txt'.format(os.path.dirname(server['url']))
        urlparts = urlparse(url)
        for i in range(0, 3):
            try:
                if urlparts[0] == 'https':
                    h = HTTPSConnection(urlparts[1])
                else:
                    h = HTTPConnection(urlparts[1])
                headers = {'User-Agent': user_agent}
                start = timeit.default_timer()
                h.request('GET', urlparts[2], headers=headers)
                r = h.getresponse()
                total = timeit.default_timer() - start
            except (HTTPError, URLError, socket.error):
                cum.append(3600)
                continue
            text = r.read(9)
            if int(r.status) == 200 and text == 'test=test'.encode():
                cum.append(total)
            else:
                cum.append(3600)
            h.close()
        avg = round(sum(cum) / 6 * 1000, 3)
        results[avg] = server
    fastest = sorted(results.keys())[0]
    best = results[fastest]
    best['latency'] = fastest
    return best


def ctrl_c():
    global shutdown_event
    shutdown_event.set()
    raise SystemExit('\nCancelling...')


def version():
    raise SystemExit(__version__)


def speedtest(list=False, mini=None, server=None, share=True, simple=False, src=None, timeout=10, units=('bit', 8), version=False):
    global shutdown_event, source, scheme
    shutdown_event = threading.Event()
    global line1, line2, line3

    dp = xbmcgui.DialogProgress()
    line1 = '[COLOR {0}]Starting test..[/COLOR]'.format(CONFIG.COLOR2)
    dp.create('{0}: [COLOR {1}]Speed Test[/COLOR]'.format(CONFIG.ADDONTITLE, CONFIG.COLOR1), line1)
    dp.update(0)
    logging.log('Retrieving speedtest.net configuration...', level=xbmc.LOGDEBUG)
    line2 = '[COLOR {0}]Retrieving speedtest.net configuration...[/COLOR]'.format(CONFIG.COLOR2)
    dp.update(2, line1, line2)
    try:
        config = get_config()
    except URLError as e:
        logging.log('Cannot retrieve speedtest configuration: {0}'.format(e), level=xbmc.LOGDEBUG)
        sys.exit(1)

    logging.log('Retrieving speedtest.net server list...', level=xbmc.LOGDEBUG)
    line3 = '[COLOR {0}]Retrieving speedtest.net server list...[/COLOR]'.format(CONFIG.COLOR2)
    dp.update(4, line1, line2, line3)

    servers = closest_servers(config['client'])

    logging.log('Testing from %(isp)s (%(ip)s)...' % config['client'], level=xbmc.LOGDEBUG)
    line1 = '[COLOR ' + CONFIG.COLOR2 + ']Testing From:[/COLOR] [COLOR ' \
        + CONFIG.COLOR1 + ']%(isp)s (%(ip)s)[/COLOR]' % config['client']
    dp.update(6, line1)

    logging.log('Selecting best server based on latency...', level=xbmc.LOGDEBUG)
    line2 = '[COLOR {0}]Selecting best server based on latency...[/COLOR]'.format(CONFIG.COLOR2)
    dp.update(8, '', line2)
    best = get_best_server(servers)

    logging.log('Hosted by %(sponsor)s (%(name)s) [%(d)0.2f km]: %(latency)s ms' % best)

    line2 = ('[COLOR ' + CONFIG.COLOR2
             + ']Server location: %(name)s [%(d)0.2f km]: %(latency)s ms[/COLOR]' % best)
    dp.update(10, '', line2)

    sizes = [350, 500, 750, 1000, 1500, 2000, 2500, 3000, 3500, 4000]
    urls = []
    for size in sizes:
        for i in range(0, 4):
            urls.append('{0}/random{1}x{2}.jpg'.format(os.path.dirname(best['url']), size, size))

    logging.log('Testing download speed', level=xbmc.LOGDEBUG)
    line3 = '[COLOR {0}]Testing download speed...[/COLOR]'.format(CONFIG.COLOR2)
    dp.update(15, '', '', line3)
    dlspeed = download_speed(urls, simple)

    logging.log('Download: %0.2f M%s/s' % (dlspeed / 1000 / 1000 * units[1], units[0]))

    sizesizes = [int(.25 * 1000 * 1000), int(.5 * 1000 * 1000)]
    sizes = []
    for size in sizesizes:
        for i in range(0, 25):
            sizes.append(size)

    logging.log('[COLOR blue]Testing upload speed[/COLOR]', level=xbmc.LOGDEBUG)
    line2 = '[COLOR %s]Testing download speed:[/COLOR] [COLOR %s]%0.2f M%s/s[/COLOR]' % (CONFIG.COLOR2, CONFIG.COLOR1, dlspeed / 1000 / 1000 * units[1], units[0])
    line3 = '[COLOR {0}]Testing upload speed...[/COLOR]'.format(CONFIG.COLOR2)
    dp.update(65, '', line2, line3)
    ulspeed = upload_speed(best['url'], sizes, simple)

    logging.log('Upload: %0.2f M%s/s' % (ulspeed / 1000 / 1000 * units[1], units[0]))

    i = 2
    while ulspeed < 1:

        dp.update(65, '', '', '[COLOR ' + CONFIG.COLOR2
                  + ']Testing upload speed... [Attempt [/COLOR]'
                  + str(i) + ']')
        ulspeed = upload_speed(best['url'], sizes, simple)
        logging.log('Upload: %0.2f M%s/s' % (ulspeed / 1000 / 1000 * units[1], units[0]))
        i = i + 1
        if i == 6:
            return uploadfail

    line1 = line2
    line2 = '[COLOR %s]Testing upload speed:[/COLOR] [COLOR %s]%0.2f M%s/s[/COLOR]' % (CONFIG.COLOR2, CONFIG.COLOR1, ulspeed / 1000 / 1000 * units[1], units[0])
    line3 = '[COLOR %s]Getting results...[/COLOR]' % CONFIG.COLOR2
    dp.update(95, line1, line2, line3)

    if share:
        dlspeedk = int(round(dlspeed / 1000 * 8, 0))
        ping = int(round(best['latency'], 0))
        ulspeedk = int(round(ulspeed / 1000 * 8, 0))
        apiData = [
            'download={0}'.format(dlspeedk),
            'ping={0}'.format(ping),
            'upload={0}'.format(ulspeedk),
            'promo=',
            'startmode={0}'.format('pingselect'),
            'recommendedserverid={0}'.format(best['id']),
            'accuracy=1',
            'serverid={0}'.format(best['id']),
            'hash={0}'.format(hashlib.md5('{0}-{1}-{2}-{3}'.format(ping, ulspeedk, dlspeedk, '297aae72').encode('utf-8')).hexdigest())
            ]

        headers = {'Referer': 'http://c.speedtest.net/flash/speedtest.swf'}
        request = build_request('http://www.speedtest.net/api/api.php',
                                data='&'.join(apiData).encode(),
                                headers=headers)
        f = catch_request(request)
        if f is False:
            logging.log('Could not submit results to speedtest.net: {0}'.format(e), level=xbmc.LOGDEBUG)
            sys.exit(1)
        response = f.read()
        code = f.code
        f.close()

        if int(code) != 200:
            logging.log('Could not submit results to speedtest.net', level=xbmc.LOGDEBUG)
            sys.exit(1)

        qsargs = parse_qs(response.decode())
        resultid = qsargs.get('resultid')
        if not resultid or len(resultid) != 1:
            logging.log('Could not submit results to speedtest.net', level=xbmc.LOGDEBUG)
            sys.exit(1)

        logging.log('Share results: {0}://www.speedtest.net/result/{1}.png'.format(scheme, resultid[0]), level=xbmc.LOGDEBUG)

        dp.close()

        curserver = '%(name)s [%(d)0.2f km]: %(latency)s ms' % best

        return ('{0}://www.speedtest.net/result/{1}.png'.format(scheme, resultid[0]), dlspeed / 1000 / 1000 * units[1],
                units[0], ulspeed / 1000 / 1000 * units[1], units[0], ping, curserver)


def net_info():
    import json
    from resources.libs.common import logging

    infoLabel = ['Network.IPAddress',
                 'Network.MacAddress']
    data = []
    x = 0
    for info in infoLabel:
        temp = tools.get_info_label(info)
        y = 0
        while temp == "Busy" and y < 10:
            temp = tools.get_info_label(info)
            y += 1
            logging.log("{0} sleep {1}".format(info, str(y)))
            xbmc.sleep(200)
        data.append(temp)
        x += 1
    try:
        url = 'http://extreme-ip-lookup.com/json/'
        req = Request(url)
        req.add_header('User-Agent',
                       'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.0.3) Gecko/2008092417 Firefox/3.0.3')
        response = urlopen(req)
        geo = json.load(response)
    except:
        url = 'http://ip-api.com/json'
        req = Request(url)
        req.add_header('User-Agent',
                       'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.0.3) Gecko/2008092417 Firefox/3.0.3')
        response = urlopen(req)
        geo = json.load(response)
    mac = data[1]
    inter_ip = data[0]
    ip = geo['query']
    isp = geo['org']
    city = geo['city']
    country = geo['country']
    state = geo['region']
    return mac, inter_ip, ip, city, state, country, isp


def get_ip():
    from resources.libs.common import tools

    site = 'http://whatismyipaddress.com/'
    response = tools.open_url(site)

    if not response:
        return 'Unknown', 'Unknown', 'Unknown'

    page = response.text.replace('\n', '').replace('\r', '')

    if 'Access Denied' not in page:
        ipmatch = re.compile('whatismyipaddress.com/ip/(.+?)"').findall(page)
        ipfinal = ipmatch[0] if (len(ipmatch) > 0) else 'Unknown'
        details = re.compile('"font-size:14px;">(.+?)</td>').findall(page)
        provider = details[0] if (len(details) > 0) else 'Unknown'
        location = details[1]+', '+details[2]+', '+details[3] if (len(details) > 2) else 'Unknown'
        return ipfinal, provider, location
    else:
        return 'Unknown', 'Unknown', 'Unknown'


def main():
    try:
        speedtest()
    except KeyboardInterrupt:
        logging.log('\nCancelling...', level=xbmc.LOGDEBUG)
        dp = xbmcgui.DialogProgress()
        dp.close()
        sys.exit()


if __name__ == '__main__':
    main()