import adbutils
import os
import re
import requests
from lxml import html
def adb_start():
    if "platform-tools" in os.environ['PATH']:
        print("ADB found in PATH")
    else:
        os.environ['PATH'] += ';'+os.getcwd()+'\\platform-tools'


def adb_connect():
    adb = adbutils.AdbClient(host="127.0.0.1", port=5037)
    print(adb.device_list())
    d = adb.device()
    return d


def twrp_download(d):
    cpu = d.shell('cat /proc/cpuinfo | grep Hardware')
    cpu = cpu.replace(" ","")
    cpu = re.sub(r'(.+:)', '', cpu)
    r = requests.get('https://dl.twrp.me/'+cpu)
    tree = html.fromstring(r.text)
    urls = tree.xpath('//a/@href')
    downloads = []
    for i in urls:
        if "img" in i:
            downloads.append(i)
    url_to_download = "https://dl.twrp.me"+downloads[0]
    url_to_download = url_to_download.replace('.html', '')
    print("Use this link to download twrp for your connected device: "+url_to_download)
    print("Ensure that the downloaded file is moved to the same folder as the script before continuing")


def main():
    adb_start()
    device = adb_connect()
    twrp_download(device)


main()