#!/usr/bin/python3
import sys
import os
import base64
import json
import datetime
import pytz
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 pyplayready.cdm import Cdm
from pyplayready.device import Device
from pyplayready.system.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)

# Configuration
WVD_PATH = './WVD.wvd'
authFile = '/AmazonPrimeVideo_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/143.0.0.0 Safari/537.36'
DEVICE_TYPE_ID = 'AOAGZA014O5RE'

cookies = {}
device_id = ''
base_url = ''
base_url2 = ''
loc_name = ''

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 set_region(region):
    global base_url, base_url2, loc_name
    if region == 'uk':
        loc_name = 'acbuk'
        base_url = 'https://www.amazon.co.uk'
        base_url2 = 'https://atv-ps-eu.amazon.co.uk'
    elif region == 'de':
        loc_name = 'acbde'
        base_url = 'https://www.amazon.de'
        base_url2 = 'https://atv-ps-eu.amazon.de'
    elif region == 'us':
        loc_name = 'main'
        base_url = 'https://www.amazon.com'
        base_url2 = 'https://atv-ps.amazon.com'
    else:
        loc_name = 'main-av'
        base_url = 'https://www.primevideo.com'
        base_url2 = 'https://atv-ps.primevideo.com'

def refresh_x_acb(cks):
    headers = {'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9', 'referer': 'https://www.google.com/', 'user-agent': USER_AGENT}
    response = req.get(base_url + '/gp/video/livetv', cookies=cks, headers=headers)
    response.raise_for_status()
    return response.cookies.get_dict().get(f'x-{loc_name}', cks.get(f'x-{loc_name}', ''))

def login():
    global cookies, device_id
    print("logging in...", file=sys.stderr)
    
    auth = get_auth()
    if not auth or f'ubid-{loc_name}' not in auth:
        print(f"No auth found. Please add AmazonPrimeVideo cookies to auth file.", file=sys.stderr)
        print(f"Login and copy ubid-{loc_name}, at-{loc_name}, x-{loc_name} cookies", file=sys.stderr)
        save_auth({f'ubid-{loc_name}': '', f'at-{loc_name}': '', f'x-{loc_name}': '', 'device_id': str(uuid.uuid4()), 'region': 'us'})
        sys.exit(1)
    
    try:
        set_region(auth.get('region', 'us'))
        ck = {k: v for k, v in auth.items() if k not in ['device_id', 'region']}
        new_x = refresh_x_acb(ck)
        ck[f'x-{loc_name}'] = new_x
        auth[f'x-{loc_name}'] = new_x
        save_auth(auth)
        cookies = ck
        device_id = auth.get('device_id', str(uuid.uuid4()))
        print("logged in successfully", file=sys.stderr)
        return cookies
    except Exception as e:
        print(f"Login failed: {e}", file=sys.stderr)
        sys.exit(1)

def get_token():
    global cookies
    if cookies:
        return cookies
    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:9a04f079-9840-4286-ab92-e65be0885f95':
            pssh_elem = cp.find('cenc:pssh')
            if pssh_elem:
                return pssh_elem.text
    return None

def get_single(channel_id):
    headers = {'Accept': '*/*', 'Origin': base_url, 'Referer': base_url, 'User-Agent': USER_AGENT}
    params = {'deviceID': device_id, 'deviceTypeID': DEVICE_TYPE_ID, 'gascEnabled': 'false', 'uxLocale': 'en_GB', 'firmware': '1', 'playerType': 'xp', 'operatingSystemName': 'Windows', 'operatingSystemVersion': '10.0', 'deviceApplicationName': 'EdgeNext', 'asin': channel_id, 'consumptionType': 'Streaming', 'desiredResources': 'PlaybackUrls,CuepointPlaylist,SubtitleUrls,ForcedNarratives,TrickplayUrls,TransitionTimecodes,PlaybackSettings,CatalogMetadata,LiveSchedule,LinearRestrictions,SyeUrlsV2,XRayMetadata', 'resourceUsage': 'CacheResources', 'videoMaterialType': 'LiveStreaming', 'displayWidth': '2560', 'displayHeight': '1440', 'supportsVariableAspectRatio': 'true', 'supportsEmbeddedTimedTextForVod': 'true', 'deviceProtocolOverride': 'Https', 'vodStreamSupportOverride': 'Auxiliary', 'deviceStreamingTechnologyOverride': 'DASH', 'deviceDrmOverride': 'CENC', 'deviceAdInsertionTypeOverride': 'SSAI', 'deviceHdrFormatsOverride': 'None', 'deviceVideoCodecOverride': 'H264', 'deviceVideoQualityOverride': 'HD', 'deviceBitrateAdaptationsOverride': 'CVBR,CBR', 'supportsEmbeddedTrickplayForVod': 'false', 'audioTrackId': 'all', 'languageFeature': 'MLFv2', 'liveManifestType': 'patternTemplate,accumulating,live', 'supportedDRMKeyScheme': 'SINGLE_KEY', 'supportsEmbeddedTrickplay': 'true', 'daiSupportsEmbeddedTrickplay': 'true', 'daiLiveManifestType': 'patternTemplate,accumulating,live', 'ssaiSegmentInfoSupport': 'Base', 'ssaiStitchType': 'MultiPeriod', 'gdprEnabled': 'true', 'subtitleFormat': 'TTMLv2', 'playbackSettingsFormatVersion': '1.0.0', 'titleDecorationScheme': 'primary-content', 'liveScheduleConfigToken': 'html5-player-1', 'linearRestrictionStart': '-120', 'linearRestrictionEnd': '120', 'xrayToken': 'XRAY_WEB_2023_V2', 'xrayPlaybackMode': 'playback', 'xrayDeviceClass': 'normal'}
    response = req.post(base_url2 + '/cdp/catalog/GetPlaybackResources', params=params, cookies=cookies, headers=headers)
    try:
        data = response.json()
        url_sets = data['playbackUrls']['urlSets']
        _, set1 = next(iter(url_sets.items()))
        return set1['urls']['manifest']['url']
    except:
        return None

def do_cdm_external(pssh_b64, channel_id):
    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.wrm_headers[0])
        headers = {'Content-Type': 'application/x-www-form-urlencoded', 'Origin': base_url, 'Referer': base_url, 'User-Agent': USER_AGENT}
        params = {'deviceID': device_id, 'deviceTypeID': DEVICE_TYPE_ID, 'gascEnabled': 'false', 'uxLocale': 'en_GB', 'firmware': '1', 'playerType': 'xp', 'operatingSystemName': 'Windows', 'operatingSystemVersion': '10.0', 'deviceApplicationName': 'EdgeNext', 'asin': channel_id, 'consumptionType': 'Streaming', 'desiredResources': 'PlayReadyLicense', 'resourceUsage': 'ImmediateConsumption', 'videoMaterialType': 'LiveStreaming', 'displayWidth': '2560', 'displayHeight': '1440', 'supportsVariableAspectRatio': 'true', 'supportsEmbeddedTimedTextForVod': 'true', 'deviceProtocolOverride': 'Https', 'vodStreamSupportOverride': 'Auxiliary', 'deviceStreamingTechnologyOverride': 'DASH', 'deviceDrmOverride': 'CENC', 'deviceAdInsertionTypeOverride': 'SSAI', 'deviceHdrFormatsOverride': 'None', 'deviceVideoCodecOverride': 'H264', 'deviceVideoQualityOverride': 'HD', 'deviceBitrateAdaptationsOverride': 'CVBR,CBR', 'supportsEmbeddedTrickplayForVod': 'false'}
        data = {'playReadyChallenge': base64.b64encode(challenge_data.encode('utf-8')).decode('utf-8')}
        licence = req.post(base_url2 + '/cdp/catalog/GetPlaybackResources', params=params, cookies=cookies, headers=headers, data=data)
        lic_data = licence.json()
        cdm_obj.parse_license(session_id, base64.b64decode(lic_data['playReadyLicense']['encodedLicenseResponse']).decode('utf-8'))
        keys = [f"{key.key_id.hex}:{key.key.hex()}" for key in cdm_obj.get_keys(session_id)]
        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():
    auth = get_auth()
    if auth:
        set_region(auth.get('region', 'us'))
    get_token()
    
    if action == "login":
        login()
        sys.exit()
    
    if action == "channels":
        output = {'Channels': []}
        headers = {'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9', 'referer': 'https://www.google.com/', 'user-agent': USER_AGENT}
        response = req.get(base_url + '/gp/video/livetv', headers=headers, cookies=cookies)
        try:
            soup = BeautifulSoup(response.content, features='lxml')
            script_tags = soup.find_all('script', {'type': 'text/template'})
            for s in script_tags:
                if 'paginationServiceToken' in s.text:
                    init_data = json.loads(s.text)
                    containers = init_data['props']['body'][0]['props']['landingPage']['containers']
                    for c in containers:
                        for e in c.get('entities', []):
                            if not e.get('liveInfo') or e.get('liveInfo', {}).get('status') == 'LIVE':
                                channel = {
                                    'Name': e.get('title', 'Unknown'),
                                    'Mode': 'live',
                                    'SessionManifest': True,
                                    'ManifestScript': f"id={e.get('playbackAction', {}).get('channelId', e.get('impressionId', ''))}",
                                    'CdmType': 'playready',
                                    'UseCdm': True,
                                    'Cdm': f"id={e.get('playbackAction', {}).get('channelId', e.get('impressionId', ''))}",
                                    'Video': 'best',
                                    'OnDemand': True,
                                    'SpeedUp': True,
                                }
                                output['Channels'].append(channel)
                    break
            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:
            channel_id = id
            video_url = get_single(channel_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}
            }
            print(json.dumps(output))
        except Exception as e:
            print(f"Error: {e}", file=sys.stderr)
            return "error"
    
    elif action == "cdm" and cdm == "external":
        try:
            channel_id = id
            video_url = get_single(channel_id)
            if video_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, channel_id)
                    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()
