#!/usr/bin/python3
import sys
import os
import base64
import json
import datetime
import pytz
import time
from http.cookiejar import Cookie

# 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 = '/Pickx_cookies.json'
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/126.0.0.0 Safari/537.36'

device_id = ''
tenant = 'AGL'
version = '1.5'
cluster = 'R'
locale = 'FRA'
platform = 'WEB'
prop = 'PXS'

def get_auth():
    try:
        return json.load(open(SCRIPT_DIR + authFile))
    except:
        return None

def save_auth(auth_data):
    json.dump(auth_data, open(SCRIPT_DIR + authFile, 'w'), indent=4)

def load_cookies_to_session(cookies_data):
    for c in cookies_data:
        cookie = Cookie(version=0, name=c.get('name', ''), value=c.get('value', ''), port=None, port_specified=False, domain=c.get('domain', ''), domain_specified=bool(c.get('domain')), domain_initial_dot=c.get('domain', '').startswith('.'), path=c.get('path', '/'), path_specified=True, secure=c.get('secure', False), expires=c.get('expirationDate', None), discard=False, comment=None, comment_url=None, rest={}, rfc2109=False)
        req.cookies.set_cookie(cookie)

def export_cookies():
    cookies_list = []
    for c in req.cookies:
        cookies_list.append({'domain': c.domain, 'expirationDate': c.expires, 'hostOnly': not c.domain.startswith("."), 'httpOnly': 'HttpOnly' in (c._rest or {}), 'name': c.name, 'path': c.path, 'sameSite': 'no_restriction', 'secure': c.secure, 'session': c.expires is None, 'storeId': '0', 'value': c.value})
    save_auth(cookies_list)

def get_device_id():
    global device_id
    headers = {'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9', 'User-Agent': USER_AGENT}
    response = req.get('https://tv.pickx.be/', headers=headers)
    soup = BeautifulSoup(response.content, features='lxml')
    next_data = soup.find('script', {'id': '__NEXT_DATA__'})
    data = json.loads(next_data.text)
    device_id = data['props']['pageProps']['session']['deviceId']

def login():
    global device_id
    print("logging in...", file=sys.stderr)
    
    cookies_data = get_auth()
    if not cookies_data:
        print("No cookies found. Please add Pickx cookies to auth file.", file=sys.stderr)
        save_auth([])
        sys.exit(1)
    
    try:
        load_cookies_to_session(cookies_data)
        get_device_id()
        print("logged in successfully", file=sys.stderr)
        return device_id
    except Exception as e:
        print(f"Login failed: {e}", file=sys.stderr)
        sys.exit(1)

def find_wv_pssh_offsets(raw):
    offsets = []
    offset = 0
    while True:
        offset = raw.find(b'pssh', offset)
        if offset == -1:
            break
        size = int.from_bytes(raw[offset-4:offset], byteorder='big')
        pssh_offset = offset - 4
        offsets.append(raw[pssh_offset:pssh_offset+size])
        offset += size
    return offsets

def to_pssh(content):
    wv_offsets = find_wv_pssh_offsets(content)
    return [base64.b64encode(wv_offset).decode() for wv_offset in wv_offsets]

def init_to_pssh(init_url):
    response = req.get(init_url, headers={'accept': '*/*', 'user-agent': USER_AGENT, 'content-type': 'application/octet-stream'})
    return to_pssh(response.content)

def get_pssh_from_mpd(url):
    headers = {'accept': '*/*', 'user-agent': USER_AGENT, 'content-type': 'application/octet-stream'}
    response = req.get(url, headers=headers)
    location = response.url
    try:
        soup = BeautifulSoup(response.content, features="xml")
        init = soup.find('SegmentTemplate')['initialization']
        bandwidth = soup.find('Representation')['bandwidth']
        rep_id = soup.find('Representation')['id']
        loc_parts = location.split('/')
        loc_parts.pop()
        init_url = '/'.join(loc_parts) + '/' + init.replace('$Bandwidth$', bandwidth).replace('$RepresentationID$', rep_id)
        return init_to_pssh(init_url)[-1]
    except:
        return None

def get_single(channel_id, asset_id):
    headers = {'accept': '*/*', 'content-type': 'application/json', 'origin': 'https://tv.pickx.be', 'referer': 'https://tv.pickx.be/', 'restful': 'YES', 'user-agent': USER_AGENT}
    params = {'VCASId': device_id}
    response = req.get(f'https://api.prod-ntvbe.tvapi-web.pickx.be/{tenant}/{version}/{cluster}/{locale}/{platform}/{prop}/CUSCONTENT/VIDEOURL/LIVE/{channel_id}/{asset_id}', params=params, headers=headers)
    export_cookies()
    try:
        data = response.json()
        return data['resultObj']['src'], data['resultObj']['token']
    except:
        return None, None

def do_cdm_internal(challenge_b64, lic_token):
    headers = {'Accept': '*/*', 'Origin': 'https://tv.pickx.be', 'Referer': 'https://tv.pickx.be/', 'User-Agent': USER_AGENT, 'content-type': 'application/octet-stream'}
    params = {'authenticator': base64.b64encode(lic_token.encode('utf-8')).decode('utf-8'), 'deviceId': base64.b64encode(device_id.encode('utf-8')).decode('utf-8')}
    response = req.post('https://dtvowdvcsmn.proximustv.be:8443/', headers=headers, params=params, 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):
    try:
        pssh_obj = PSSH(pssh_b64)
        device_obj = Device.load(WVD_PATH)
        cdm_obj = Cdm.from_device(device_obj)
        session_id = cdm_obj.open()
        challenge_data = cdm_obj.get_license_challenge(session_id, pssh_obj)
        headers = {'Accept': '*/*', 'Origin': 'https://tv.pickx.be', 'Referer': 'https://tv.pickx.be/', 'User-Agent': USER_AGENT, 'content-type': 'application/octet-stream'}
        params = {'authenticator': base64.b64encode(lic_token.encode('utf-8')).decode('utf-8'), 'deviceId': base64.b64encode(device_id.encode('utf-8')).decode('utf-8')}
        licence = req.post('https://dtvowdvcsmn.proximustv.be:8443/', headers=headers, params=params, data=challenge_data)
        cdm_obj.parse_license(session_id, licence.content)
        keys = [f"{key.kid.hex}:{key.key.hex()}" for key in cdm_obj.get_keys(session_id) if key.type != 'SIGNING']
        cdm_obj.close(session_id)
        return keys
    except Exception as e:
        print(f'CDM external failed: {e}', file=sys.stderr)
        return None

def do_action():
    login()
    
    if action == "login":
        sys.exit()
    
    if action == "channels":
        output = {'Channels': []}
        headers = {'accept': '*/*', 'content-type': 'application/json', 'origin': 'https://tv.pickx.be', 'referer': 'https://tv.pickx.be/', 'restful': 'YES', 'user-agent': USER_AGENT}
        params = {'filter_technicalPackages': '214,223,232', 'from': 0, 'to': 99, 'sortOrder': 'asc'}
        url = f'https://api.prod-ntvbe.tvapi-web.pickx.be/{tenant}/{version}/{cluster}/{locale}/{platform}/{prop}/TRAY/LIVECHANNELS'
        response = req.get(url, params=params, headers=headers)
        export_cookies()
        try:
            data = response.json()
            containers = data['resultObj']['containers']
            while params['to'] < data['resultObj']['total']:
                params['from'] = params['from'] + 100
                params['to'] = params['to'] + 100
                response = req.get(url, params=params, headers=headers)
                export_cookies()
                data = response.json()
                containers += data['resultObj']['containers']
            for ch in containers:
                channel_id = ch.get('metadata', {}).get('channelId', '')
                asset_id = ch.get('assets', [{}])[0].get('assetId', '')
                channel = {
                    'Name': ch.get('metadata', {}).get('channelName', 'Unknown'),
                    'Mode': 'live',
                    'SessionManifest': True,
                    'ManifestScript': f"cid={channel_id}&aid={asset_id}",
                    'CdmType': 'widevine',
                    'UseCdm': True,
                    'Cdm': f"cid={channel_id}&aid={asset_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:
            params_dict = {}
            for param in id.split('&'):
                if '=' in param:
                    k, v = param.split('=', 1)
                    params_dict[k] = v
            channel_id = params_dict.get('cid', '')
            asset_id = params_dict.get('aid', '')
            video_url, lic_token = get_single(channel_id, asset_id)
            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},
                "LicenseToken": lic_token
            }
            print(json.dumps(output))
        except Exception as e:
            print(f"Error: {e}", file=sys.stderr)
            return "error"
    
    elif action == "cdm" and cdm == "internal":
        try:
            params_dict = {}
            for param in id.split('&'):
                if '=' in param:
                    k, v = param.split('=', 1)
                    params_dict[k] = v
            channel_id = params_dict.get('cid', '')
            asset_id = params_dict.get('aid', '')
            video_url, lic_token = get_single(channel_id, asset_id)
            if lic_token:
                result = do_cdm_internal(challenge, lic_token)
                if result:
                    print(result)
                else:
                    return "error"
            else:
                return "error"
        except Exception as e:
            print(f"Error: {e}", file=sys.stderr)
            return "error"
    
    elif action == "cdm" and cdm == "external":
        try:
            params_dict = {}
            for param in id.split('&'):
                if '=' in param:
                    k, v = param.split('=', 1)
                    params_dict[k] = v
            channel_id = params_dict.get('cid', '')
            asset_id = params_dict.get('aid', '')
            video_url, lic_token = get_single(channel_id, asset_id)
            if lic_token:
                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"
            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()
