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

# 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 = '/Vix_auth.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/123.0.0.0 Safari/537.36'

headers = {
    'accept': '*/*',
    'origin': 'https://vix.com',
    'referer': 'https://vix.com/',
    'user-agent': USER_AGENT,
}

token = ''

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=2)

def get_anon_token():
    anon_headers = {
        'content-type': 'application/json',
        'origin': 'https://vix.com',
        'referer': 'https://vix.com/',
        'user-agent': USER_AGENT,
        'x-vix-app-version': 'v1.55.1',
        'x-vix-device-type': 'desktop',
        'x-vix-is-kid-profile': 'null',
        'x-vix-platform': 'web',
    }
    response = req.post('https://vix.com/api/proxy/user/create-anon-user', headers=anon_headers, json={'installationId': str(uuid.uuid4())})
    return response.json()['accessToken']

def do_refresh(tok, refresh_token):
    refresh_headers = {
        'accept': 'application/json',
        'authorization': 'Bearer ' + tok,
        'content-type': 'application/json',
        'origin': 'https://vix.com',
        'referer': 'https://vix.com/',
        'user-agent': USER_AGENT,
        'x-vix-app-version': 'v1.55.1',
        'x-vix-device-type': 'desktop',
        'x-vix-is-kid-profile': '0',
        'x-vix-platform': 'web',
    }
    response = req.post('https://vix.com/api/proxy/user/refresh-token', headers=refresh_headers, json={'refreshToken': refresh_token, 'registeredUser': True})
    data = response.json()
    return data['accessToken'], data['refreshToken']

def login():
    global token
    print("logging in...", file=sys.stderr)
    
    auth = get_auth()
    if not auth or 'token' not in auth:
        print("No auth found. Please add Vix auth to auth file.", file=sys.stderr)
        print("Login to https://vix.com and use browser dev tools to get tokens", file=sys.stderr)
        save_auth({'token': 'ENTER_TOKEN_HERE', 'refresh_token': 'ENTER_REFRESH_TOKEN_HERE'})
        sys.exit(1)
    
    try:
        tok, refresh_token = do_refresh(auth['token'], auth['refresh_token'])
        save_auth({'token': tok, 'refresh_token': refresh_token})
        token = tok
        print("logged in successfully", file=sys.stderr)
        return tok
    except Exception as e:
        print(f"Login failed: {e}", file=sys.stderr)
        sys.exit(1)

def get_token():
    global token
    if token:
        return token
    return login()

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 get_pssh_from_mpd(url):
    try:
        response = req.get(url, headers=headers)
        soup = BeautifulSoup(response.content, features="xml")
        init_url = soup.find('Initialization')['sourceURL']
        init_response = req.get(init_url, headers=headers)
        return to_pssh(init_response.content)[0]
    except:
        return None

def get_access_token(video_id):
    access_headers = {
        'Authorization': 'Bearer ' + token,
        'Referer': 'https://vix.com/',
        'User-Agent': USER_AGENT,
        'x-player-version': 'AnvatoPlayer',
        'x-video-pod-serve': 'ULTRON',
        'x-video-type': 'Livestream',
    }
    timestamp = str(round(time.time() * 1000))
    response = req.get('https://vix.com/api/video/token', params={'videoId': video_id, 'timestamp': timestamp}, headers=access_headers)
    try:
        data = response.json()
        return data['accessKey'], data['token'], timestamp
    except:
        return None, None, None

def get_single(video_id, access_key, access_token, timestamp):
    single_headers = {
        'content-type': 'application/x-www-form-urlencoded',
        'origin': 'https://vix.com',
        'referer': 'https://vix.com/',
        'user-agent': USER_AGENT,
    }
    params = {'anvack': access_key, 'rtyp': 'fp'}
    data = json.dumps({
        "ads": {"freewheel": {}, "dfp": {"ad_platform": "vix", "server_url": "https://pubads.g.doubleclick.net"}},
        "content": {"mcp_video_id": video_id, "mpx_guid": ""},
        "user": {"glg": "", "glt": "", "gst": "", "gzip": "", "hst": "", "device": "web", "sdkver": "3.8.5.1.b2f75b3a", "sdkenv": "html5", "host": "vix.com", "adobepass": {"requestor": None, "resource": None}, "mvpd_authorization": {}},
        "api": {"anvrid": access_key, "anvts": timestamp, "anvstk2": access_token}
    })
    
    response = req.post(f'https://tkx.mp.lura.live/rest/v2/mcp/video/{video_id}', params=params, headers=single_headers, data=data)
    try:
        data = response.text.split('anvatoVideoJSONLoaded(')[-1][:-1]
        data = json.loads(data)
        return data['published_urls'][0]['embed_url'].replace('gam_stream_id=[[STREAMID]]&', ''), data['published_urls'][0]['license_url']
    except:
        return None, None

def do_cdm_internal(challenge_b64, lic_url):
    lic_headers = {
        'origin': 'https://vix.com',
        'referer': 'https://vix.com/',
        'user-agent': USER_AGENT,
        'content-type': 'application/octet-stream',
    }
    response = req.post(lic_url, 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_url):
    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)
        
        lic_headers = {
            'origin': 'https://vix.com',
            'referer': 'https://vix.com/',
            'user-agent': USER_AGENT,
            'content-type': 'application/octet-stream',
        }
        
        licence = req.post(lic_url, headers=lic_headers, data=challenge_data)
        cdm_obj.parse_license(session_id, licence.content)
        
        keys = []
        for key in cdm_obj.get_keys(session_id):
            if key.type != 'SIGNING':
                keys.append(f"{key.kid.hex}:{key.key.hex()}")
        
        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():
    get_token()
    
    if action == "login":
        login()
        sys.exit()
    
    if action == "channels":
        output = {'Channels': []}
        
        gql_headers = {
            'authorization': 'Bearer ' + token,
            'content-type': 'application/json',
            'origin': 'https://vix.com',
            'referer': 'https://vix.com/',
            'user-agent': USER_AGENT,
            'x-vix-app-version': 'v1.55.1',
            'x-vix-device-type': 'desktop',
            'x-vix-is-kid-profile': '0',
            'x-vix-platform': 'web',
        }
        
        # Get categories first
        cat_query = [{'operationName': 'EpgData', 'variables': {}, 'query': 'query EpgData { epgCategories { edges { cursor node { id title } } } }'}]
        response = req.post('https://client-api.vix.com/gql/v2', headers=gql_headers, json=cat_query)
        categories = response.json()[0]['data']['epgCategories']['edges']
        
        # Get channels for each category
        ch_query = []
        for c in categories:
            ch_query.append({
                'operationName': 'EpgCategoryEnhancementsData',
                'variables': {'id': c['cursor'], 'minCount': 5, 'hours': 1},
                'query': 'query EpgCategoryEnhancementsData($id: ID!, $minCount: Int!, $hours: Int!) { channelsByCategory(categoryId: $id) { edges { node { id title stream { mcpId } } } } }'
            })
        
        response = req.post('https://client-api.vix.com/gql/v2', headers=gql_headers, json=ch_query)
        
        try:
            data = response.json()
            for d in data:
                for ch in d['data']['channelsByCategory']['edges']:
                    node = ch['node']
                    channel = {
                        'Name': node.get('title', 'Unknown'),
                        'Mode': 'live',
                        'SessionManifest': True,
                        'ManifestScript': f"id={node['stream']['mcpId']}",
                        'CdmType': 'widevine',
                        'UseCdm': True,
                        'Cdm': f"id={node['stream']['mcpId']}",
                        '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:
            video_id = id
            access_key, access_token_val, timestamp = get_access_token(video_id)
            if not access_key:
                return "error"
            
            video_url, lic_url = get_single(video_id, access_key, access_token_val, timestamp)
            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},
                "LicenseUrl": lic_url
            }
            print(json.dumps(output))
        except Exception as e:
            print(f"Error: {e}", file=sys.stderr)
            return "error"
    
    elif action == "cdm" and cdm == "internal":
        try:
            video_id = id
            access_key, access_token_val, timestamp = get_access_token(video_id)
            _, lic_url = get_single(video_id, access_key, access_token_val, timestamp)
            if lic_url:
                result = do_cdm_internal(challenge, lic_url)
                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:
            video_id = id
            access_key, access_token_val, timestamp = get_access_token(video_id)
            video_url, lic_url = get_single(video_id, access_key, access_token_val, timestamp)
            if lic_url:
                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_url)
                    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()