""" PagerMaid initialization. """

import sentry_sdk

from sentry_sdk.integrations.redis import RedisIntegration
from concurrent.futures import CancelledError
from asyncio.exceptions import CancelledError as CancelError
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 distutils2.util import strtobool
from coloredlogs import ColoredFormatter
from telethon import TelegramClient
from telethon.errors.rpcerrorlist import MessageNotModifiedError, MessageIdInvalidError, ChannelPrivateError, \
    ChatSendMediaForbiddenError, YouBlockedUserError, FloodWaitError, ChatWriteForbiddenError
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)


# 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


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()
    mtp_addr = config['mtp_addr'].strip()
    mtp_port = config['mtp_port'].strip()
    mtp_secret = config['mtp_secret'].strip()
except:
    proxy_addr = ''
    proxy_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
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 socks
    except:
        pass
    bot = TelegramClient("pagermaid", api_key, api_hash, auto_reconnect=True,
                         proxy=(socks.SOCKS5, proxy_addr, int(proxy_port)))
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))
else:
    bot = TelegramClient("pagermaid", api_key, api_hash, auto_reconnect=True)
redis = StrictRedis(host=redis_host, port=redis_port, db=redis_db)


async def save_id():
    me = await bot.get_me()
    if me.username is not None:
        sentry_sdk.set_user({"id": me.id, "name": me.first_name, "username": me.username, "ip_address": "{{auto}}"})
    else:
        sentry_sdk.set_user({"id": me.id, "name": me.first_name, "ip_address": "{{auto}}"})
    logs.info(f"{lang('save_id')} {me.first_name}({me.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], CancelError):
        return None
    elif exc_info and isinstance(exc_info[1], ConnectedError):
        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://86690706c3f94854ae105fffb74362ae@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
    )