#!/usr/bin/python3
import sys
import os
import base64
import json
import datetime
import pytz

# Add parent directory to path for o11 import
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
import o11

from bs4 import BeautifulSoup
from pywidevine.cdm import Cdm
from pywidevine.device import Device
from pywidevine.pssh import PSSH

# Parse command line parameters
user = o11.parse_params(sys.argv, 'user')
password = o11.parse_params(sys.argv, 'password')
device = o11.parse_params(sys.argv, 'device')
pin = o11.parse_params(sys.argv, 'pin')

id = o11.parse_params(sys.argv, 'id')
action = o11.parse_params(sys.argv, 'action')

bind = o11.parse_params(sys.argv, 'bind')
proxy = o11.parse_params(sys.argv, 'proxy')
doh = o11.parse_params(sys.argv, 'doh')
worker = o11.parse_params(sys.argv, 'worker')

cdm = o11.parse_params(sys.argv, 'cdm')
drm = o11.parse_params(sys.argv, 'drm')
kid = o11.parse_params(sys.argv, 'kid')
pssh = o11.parse_params(sys.argv, 'pssh')
challenge = o11.parse_params(sys.argv, 'challenge')

heartbeaturl = o11.parse_params(sys.argv, 'heartbeaturl')
heartbeatparams = o11.parse_params(sys.argv, 'heartbeatparams')

# Session setup
o11Session = o11.session(bind=bind, proxy=proxy, worker=worker)
req = o11Session.get_session()
if doh != "":
    o11.dns(doh)

if challenge == "cert":
    challenge = "CAQ="

# Configuration
WVD_PATH = './WVD.wvd'
authFile = '/Wink_session_id.txt'
SCRIPT_DIR = os.path.abspath(os.path.dirname(__file__))

USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36'

headers = {
    'accept': 'application/json, text/plain, */*',
    'origin': 'https://wink.ru',
    'referer': 'https://wink.ru/',
    'user-agent': USER_AGENT,
    'x-rt-language': 'rus',
    'x-wink-version': 'v2024.05.05.2326',
}

session_id = ''

def get_auth():
    try:
        with open(SCRIPT_DIR + authFile, 'r') as f:
            return f.read().strip()
    except:
        return None

def save_auth(sid):
    with open(SCRIPT_DIR + authFile, 'w') as f:
        f.write(sid)

def login():
    global session_id
    print("logging in...", file=sys.stderr)
    
    sid = get_auth()
    if not sid:
        print("No session_id found. Please add Wink session_id to auth file.", file=sys.stderr)
        save_auth('')
        sys.exit(1)
    
    session_id = sid
    print("logged in successfully", file=sys.stderr)
    return sid

def get_session_id():
    global session_id
    if session_id:
        return session_id
    return login()

def get_pssh_from_mpd(url):
    response = req.get(url, headers={'User-Agent': USER_AGENT})
    content_protections = BeautifulSoup(response.content, features="xml").findAll('ContentProtection')
    for cp in content_protections:
        if cp.get('schemeIdUri', '').lower() == 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed':
            pssh_elem = cp.find('cenc:pssh')
            if pssh_elem:
                return pssh_elem.text
    return None

def get_lic_token(content_id):
    lic_headers = {
        'accept': 'application/json, text/plain, */*',
        'origin': 'https://wink.ru',
        'referer': 'https://wink.ru/',
        'session_id': session_id,
        'user-agent': USER_AGENT,
    }
    params = {'content_type': 'channel', 'content_id': content_id}
    response = req.get('https://yug-astr-itv01.svc.iptv.rt.ru/api/v2/user/content_drm_token', params=params, headers=lic_headers)
    try:
        return response.json()['token']
    except:
        return None

def do_cdm_internal(challenge_b64, lic_token=None):
    if lic_token:
        lic_headers = {
            'accept': '*/*',
            'origin': 'https://wink.ru',
            'preauthorization': lic_token,
            'referer': 'https://wink.ru/',
            'user-agent': USER_AGENT,
            'content-type': 'application/octet-stream',
        }
        response = req.post('https://s95951.cdn.ngenix.net/license', headers=lic_headers, data=base64.b64decode(challenge_b64))
    else:
        lic_headers = {
            'accept': '*/*',
            'origin': 'https://player.mediavitrina.ru',
            'referer': 'https://player.mediavitrina.ru/',
            'user-agent': USER_AGENT,
            'content-type': 'application/octet-stream',
        }
        response = req.post('https://drm99502.nowdrm.co/widevine', headers=lic_headers, data=base64.b64decode(challenge_b64))
    
    response_b64 = str(base64.b64encode(response.content), 'ascii')
    if response_b64.startswith('CA'):
        return response_b64
    return None

def do_cdm_external(pssh_b64, lic_token=None):
    try:
        pssh_obj = PSSH(pssh_b64)
        device_obj = Device.load(WVD_PATH)
        cdm_obj = Cdm.from_device(device_obj)
        session_id_cdm = cdm_obj.open()
        challenge_data = cdm_obj.get_license_challenge(session_id_cdm, pssh_obj)
        
        if lic_token:
            lic_headers = {
                'accept': '*/*',
                'origin': 'https://wink.ru',
                'preauthorization': lic_token,
                'referer': 'https://wink.ru/',
                'user-agent': USER_AGENT,
                'content-type': 'application/octet-stream',
            }
            licence = req.post('https://s95951.cdn.ngenix.net/license', headers=lic_headers, data=challenge_data)
        else:
            lic_headers = {
                'accept': '*/*',
                'origin': 'https://player.mediavitrina.ru',
                'referer': 'https://player.mediavitrina.ru/',
                'user-agent': USER_AGENT,
                'content-type': 'application/octet-stream',
            }
            licence = req.post('https://drm99502.nowdrm.co/widevine', headers=lic_headers, data=challenge_data)
        
        cdm_obj.parse_license(session_id_cdm, licence.content)
        keys = []
        for key in cdm_obj.get_keys(session_id_cdm):
            if key.type != 'SIGNING':
                keys.append(f"{key.kid.hex}:{key.key.hex()}")
        cdm_obj.close(session_id_cdm)
        return keys
    except Exception as e:
        print(f'CDM external failed: {e}', file=sys.stderr)
        return None

def do_action():
    get_session_id()
    
    if action == "login":
        login()
        sys.exit()
    
    if action == "channels":
        output = {'Channels': []}
        ch_headers = {
            'accept': 'application/json, text/plain, */*',
            'origin': 'https://wink.ru',
            'referer': 'https://wink.ru/',
            'session_id': session_id,
            'user-agent': USER_AGENT,
            'x-rt-language': 'rus',
            'x-wink-version': 'v2024.05.05.2326',
        }
        params = {'with_epg': 'true', 'epg_limit': '3', 'limit': '1000', 'offset': '0'}
        response = req.get('https://yug-astr-itv01.svc.iptv.rt.ru/api/v3/user/channels', params=params, headers=ch_headers)
        try:
            data = response.json()
            for ch in data.get('items', []):
                if 'sources' in ch:
                    channel = {
                        'Name': ch.get('name', 'Unknown'),
                        'Mode': 'live',
                        'SessionManifest': True,
                        'ManifestScript': f"id={json.dumps(ch)}",
                        'CdmType': 'widevine',
                        'UseCdm': ch.get('sources', [{}])[0].get('is_crypted', False),
                        'Cdm': f"id={ch.get('id', '')}",
                        'Video': 'best',
                        'OnDemand': True,
                        'SpeedUp': True,
                    }
                    output['Channels'].append(channel)
            print(json.dumps(output, indent=2))
        except Exception as e:
            print(f"Error: {e}", file=sys.stderr)
            return "error"
    
    elif action == "events":
        output = {'Events': []}
        print(json.dumps(output, indent=2))
    
    elif action == "heartbeat":
        sys.exit()
    
    elif action == "manifest":
        try:
            ch_data = json.loads(id)
            sources = ch_data.get('sources', [{}])[0]
            
            if sources.get('is_crypted'):
                video_url = sources.get('urls', {}).get('widevine', '')
            else:
                video_url = sources.get('url', '')
            
            if not video_url:
                return "error"
            
            output = {
                "Cdn": [{"Name": "default", "ManifestUrl": video_url}],
                "ManifestUrl": video_url,
                "Headers": {"Manifest": {'User-Agent': USER_AGENT}, "Media": {'User-Agent': USER_AGENT}},
                "Heartbeat": {"Url": '', "Params": '', "PeriodMs": 5*60*1000},
                "ContentId": ch_data.get('id', '')
            }
            print(json.dumps(output))
        except Exception as e:
            print(f"Error: {e}", file=sys.stderr)
            return "error"
    
    elif action == "cdm" and cdm == "internal":
        try:
            content_id = id
            lic_token = get_lic_token(content_id)
            result = do_cdm_internal(challenge, lic_token)
            if result:
                print(result)
            else:
                return "error"
        except Exception as e:
            print(f"Error: {e}", file=sys.stderr)
            return "error"
    
    elif action == "cdm" and cdm == "external":
        try:
            ch_data = json.loads(id) if id.startswith('{') else {'id': id}
            content_id = ch_data.get('id', id)
            sources = ch_data.get('sources', [{}])[0]
            video_url = sources.get('urls', {}).get('widevine', '')
            
            lic_token = get_lic_token(content_id)
            pssh_to_use = pssh if pssh else get_pssh_from_mpd(video_url)
            if pssh_to_use:
                keys = do_cdm_external(pssh_to_use, lic_token)
                if keys:
                    for key in keys:
                        print(key)
                else:
                    return "error"
            else:
                return "error"
        except Exception as e:
            print(f"Error: {e}", file=sys.stderr)
            return "error"
    
    else:
        print("invalid action: " + action, file=sys.stderr)

if do_action() == "error":
    login()
    do_action()
