""" PagerMaid initialization. """

from concurrent.futures import CancelledError

# Analytics
import sentry_sdk
from sentry_sdk.integrations.redis import RedisIntegration

python36 = True
try:
    from asyncio.exceptions import CancelledError as CancelError

    python36 = False
except:
    pass
from subprocess import run, PIPE
from time import time
from os import getcwd, makedirs
from os.path import exists
from sys import version_info, platform
from yaml import load, FullLoader, safe_load
from json import load as load_json
from shutil import copyfile
from redis import StrictRedis
from logging import getLogger, INFO, DEBUG, ERROR, StreamHandler, basicConfig
from distutils.util import strtobool
from coloredlogs import ColoredFormatter
from telethon import TelegramClient

# Errors
from telethon.errors.rpcerrorlist import MessageNotModifiedError, MessageIdInvalidError, ChannelPrivateError, \
    ChatSendMediaForbiddenError, YouBlockedUserError, FloodWaitError, ChatWriteForbiddenError, \
    AuthKeyDuplicatedError
from telethon.errors.common import AlreadyInConversationError
from requests.exceptions import ChunkedEncodingError
from requests.exceptions import ConnectionError as ConnectedError
from sqlite3 import OperationalError
from http.client import RemoteDisconnected
from urllib.error import URLError
from concurrent.futures._base import TimeoutError

persistent_vars = {}
module_dir = __path__[0]
working_dir = getcwd()
config = None
help_messages = {}
logs = getLogger(__name__)
logging_format = "%(levelname)s [%(asctime)s] [%(name)s] %(message)s"
logging_handler = StreamHandler()
logging_handler.setFormatter(ColoredFormatter(logging_format))
root_logger = getLogger()
root_logger.setLevel(ERROR)
root_logger.addHandler(logging_handler)
basicConfig(level=INFO)
logs.setLevel(INFO)

try:
    config = load(open(r"config.yml"), Loader=FullLoader)
except FileNotFoundError:
    logs.fatal("The configuration file does not exist, and a new configuration file is being generated.")
    copyfile(f"{module_dir}/assets/config.gen.yml", "config.yml")
    exit(1)

# i18n
lang_dict: dict = {}

try:
    with open(f"languages/built-in/{config['application_language']}.yml", "r", encoding="utf-8") as f:
        lang_dict = safe_load(f)
except Exception as e:
    print("Reading language YAML file failed")
    print(e)
    exit(1)
# Customization
try:
    with open(f"languages/custom.yml", "r", encoding="utf-8") as f:
        lang_temp = safe_load(f)
    for key, value in lang_temp.items():
        lang_dict[key] = value
except FileNotFoundError:
    pass
except Exception as e:
    logs.fatal("Reading custom YAML file failed")

# alias
alias_dict: dict = {}

if exists("data/alias.json"):
    try:
        with open("data/alias.json", encoding="utf-8") as f:
            alias_dict = load_json(f)
    except Exception as e:
        print("Reading alias file failed")
        print(e)
        exit(1)


def lang(text: str) -> str:
    """ i18n """
    result = lang_dict.get(text, text)
    return result


analytics = None
try:
    allow_analytics = strtobool(config['allow_analytic'])
except KeyError:
    allow_analytics = True
except ValueError:
    allow_analytics = True
if allow_analytics:
    import analytics

    analytics.write_key = 'EI5EyxFl8huwAvv932Au7XoRSdZ63wC4'
    analytics = analytics
if strtobool(config['debug']):
    logs.setLevel(DEBUG)
else:
    logs.setLevel(INFO)

if platform == "linux" or platform == "linux2" or platform == "darwin" or platform == "freebsd7" \
        or platform == "freebsd8" or platform == "freebsdN" or platform == "openbsd6":
    logs.info(
        lang('platform') + platform + lang('platform_load')
    )
else:
    logs.error(
        f"{lang('error_prefix')} {lang('platform')}" + platform + lang('platform_unsupported')
    )
    exit(1)

if version_info[0] < 3 or version_info[1] < 6:
    logs.error(
        f"{lang('error_prefix')} {lang('python')}"
    )
    exit(1)

if not exists(f"{getcwd()}/data"):
    makedirs(f"{getcwd()}/data")

api_key = config['api_key']
api_hash = config['api_hash']
try:
    proxy_addr = config['proxy_addr'].strip()
    proxy_port = config['proxy_port'].strip()
    http_addr = config['http_addr'].strip()
    http_port = config['http_port'].strip()
    mtp_addr = config['mtp_addr'].strip()
    mtp_port = config['mtp_port'].strip()
    mtp_secret = config['mtp_secret'].strip()
except KeyError:
    proxy_addr = ''
    proxy_port = ''
    http_addr = ''
    http_port = ''
    mtp_addr = ''
    mtp_port = ''
    mtp_secret = ''
try:
    redis_host = config['redis']['host']
except KeyError:
    redis_host = 'localhost'
try:
    redis_port = config['redis']['port']
except KeyError:
    redis_port = 6379
try:
    redis_db = config['redis']['db']
except KeyError:
    redis_db = 14
try:
    if strtobool(config['ipv6']):
        use_ipv6 = True
    else:
        use_ipv6 = False
except KeyError:
    use_ipv6 = False
if api_key is None or api_hash is None:
    logs.info(
        lang('config_error')
    )
    exit(1)

if not proxy_addr == '' and not proxy_port == '':
    try:
        import python_socks

        bot = TelegramClient("pagermaid", api_key, api_hash,
                             auto_reconnect=True,
                             proxy=(python_socks.ProxyType.SOCKS5, proxy_addr, int(proxy_port)),
                             use_ipv6=use_ipv6)
    except:
        bot = TelegramClient("pagermaid", api_key, api_hash,
                             auto_reconnect=True,
                             use_ipv6=use_ipv6)
elif not http_addr == '' and not http_port == '':
    try:
        import python_socks

        bot = TelegramClient("pagermaid", api_key, api_hash,
                             auto_reconnect=True,
                             proxy=(python_socks.ProxyType.HTTP, http_addr, int(http_port)),
                             use_ipv6=use_ipv6)
    except:
        bot = TelegramClient("pagermaid", api_key, api_hash,
                             auto_reconnect=True,
                             use_ipv6=use_ipv6)
elif not mtp_addr == '' and not mtp_port == '' and not mtp_secret == '':
    from telethon import connection

    bot = TelegramClient("pagermaid", api_key, api_hash,
                         auto_reconnect=True,
                         connection=connection.ConnectionTcpMTProxyRandomizedIntermediate,
                         proxy=(mtp_addr, int(mtp_port), mtp_secret),
                         use_ipv6=use_ipv6)
else:
    bot = TelegramClient("pagermaid", api_key, api_hash, auto_reconnect=True, use_ipv6=use_ipv6)
user_id = 0
redis = StrictRedis(host=redis_host, port=redis_port, db=redis_db)


async def save_id():
    global user_id
    me = await bot.get_me()
    user_id = me.id
    if me.username is not None:
        sentry_sdk.set_user({"id": user_id, "name": me.first_name, "username": me.username, "ip_address": "{{auto}}"})
        if allow_analytics:
            analytics.identify(user_id, {
                'name': me.first_name,
                'username': me.username
            })
    else:
        sentry_sdk.set_user({"id": user_id, "name": me.first_name, "ip_address": "{{auto}}"})
        if allow_analytics:
            analytics.identify(user_id, {
                'name': me.first_name
            })
    logs.info(f"{lang('save_id')} {me.first_name}({user_id})")


with bot:
    bot.loop.run_until_complete(save_id())


def before_send(event, hint):
    global report_time
    exc_info = hint.get("exc_info")
    if exc_info and isinstance(exc_info[1], ConnectionError):
        return None
    elif exc_info and isinstance(exc_info[1], CancelledError):
        return None
    elif exc_info and isinstance(exc_info[1], MessageNotModifiedError):
        return None
    elif exc_info and isinstance(exc_info[1], MessageIdInvalidError):
        return None
    elif exc_info and isinstance(exc_info[1], OperationalError):
        return None
    elif exc_info and isinstance(exc_info[1], ChannelPrivateError):
        return None
    elif exc_info and isinstance(exc_info[1], BufferError):
        return None
    elif exc_info and isinstance(exc_info[1], RemoteDisconnected):
        return None
    elif exc_info and isinstance(exc_info[1], ChatSendMediaForbiddenError):
        return None
    elif exc_info and isinstance(exc_info[1], TypeError):
        return None
    elif exc_info and isinstance(exc_info[1], URLError):
        return None
    elif exc_info and isinstance(exc_info[1], YouBlockedUserError):
        return None
    elif exc_info and isinstance(exc_info[1], FloodWaitError):
        return None
    elif exc_info and isinstance(exc_info[1], ChunkedEncodingError):
        return None
    elif exc_info and isinstance(exc_info[1], TimeoutError):
        return None
    elif exc_info and isinstance(exc_info[1], UnicodeEncodeError):
        return None
    elif exc_info and isinstance(exc_info[1], ChatWriteForbiddenError):
        return None
    elif exc_info and isinstance(exc_info[1], AlreadyInConversationError):
        return None
    elif exc_info and isinstance(exc_info[1], ConnectedError):
        return None
    elif exc_info and isinstance(exc_info[1], KeyboardInterrupt):
        return None
    elif exc_info and isinstance(exc_info[1], OSError):
        return None
    elif exc_info and isinstance(exc_info[1], AuthKeyDuplicatedError):
        return None
    if not python36:
        if exc_info and isinstance(exc_info[1], CancelError):
            return None
    if time() <= report_time + 30:
        report_time = time()
        return None
    else:
        report_time = time()
        return event


report_time = time()
git_hash = run("git rev-parse HEAD", stdout=PIPE, shell=True).stdout.decode()
sentry_sdk.init(
    "https://a0e1ef3c67ca48f4b1ecfc5538528ef3@o416616.ingest.sentry.io/5312335",
    traces_sample_rate=1.0,
    release=git_hash,
    before_send=before_send,
    environment="production",
    integrations=[RedisIntegration()]
)


def redis_status():
    try:
        redis.ping()
        return True
    except BaseException:
        return False


async def log(message):
    logs.info(
        message.replace('`', '\"')
    )
    if not strtobool(config['log']):
        return
    await bot.send_message(
        int(config['log_chatid']),
        message
    )