#             █ █ ▀ █▄▀ ▄▀█ █▀█ ▀
#             █▀█ █ █ █ █▀█ █▀▄ █
#              © Copyright 2022
#           https://t.me/hikariatama
#
# 🔒      Licensed under the GNU AGPLv3
# 🌐 https://www.gnu.org/licenses/agpl-3.0.html

import contextlib
import itertools
import logging
import sys
from types import ModuleType
import os
from typing import Any

import telethon
from meval import meval
from telethon.errors.rpcerrorlist import MessageIdInvalidError
from telethon.tl.types import Message

from .. import loader, main, utils
from ..log import HikkaException

logger = logging.getLogger(__name__)


@loader.tds
class PythonMod(loader.Module):
    """Evaluates python code"""

    strings = {
        "name": "Python",
        "eval": (
            "<emoji document_id='5444965061749644170'>🎬</emoji><b>"
            " Code:</b>\n<code>{}</code>\n<emoji"
            " document_id='6321231595218929203'>🌠</emoji><b>"
            " Result:</b>\n<code>{}</code>"
        ),
        "err": (
            "<emoji document_id='5444965061749644170'>🎬</emoji><b>"
            " Code:</b>\n<code>{}</code>\n\n<emoji"
            " document_id='6323575131239089635'>🚫</emoji><b> Error:</b>\n{}"
        ),
    }

    strings_ru = {
        "eval": (
            "<emoji document_id='5444965061749644170'>🎬</emoji><b>"
            " Код:</b>\n<code>{}</code>\n<emoji"
            " document_id='6321231595218929203'>🌠</emoji><b>"
            " Результат:</b>\n<code>{}</code>"
        ),
        "err": (
            "<emoji document_id='5444965061749644170'>🎬</emoji><b>"
            " Код:</b>\n<code>{}</code>\n\n<emoji"
            " document_id='6323575131239089635'>🚫</emoji><b> Ошибка:</b>\n{}"
        ),
        "_cls_doc": "Выполняет Python код",
    }

    async def client_ready(self):
        self._phone = (await self._client.get_me()).phone

    @loader.owner
    @loader.command(ru_doc="Алиас для команды .e")
    async def eval(self, message: Message):
        """Alias for .e command"""
        await self.ecmd(message)

    @loader.owner
    @loader.command(ru_doc="Выполняет Python код")
    async def e(self, message: Message):
        """Evaluates python code"""
        ret = self.strings("eval")
        try:
            result = await meval(
                utils.get_args_raw(message),
                globals(),
                **await self.getattrs(message),
            )
        except Exception:
            item = HikkaException.from_exc_info(*sys.exc_info())
            exc = (
                "\n<b>🪐 Full stack:</b>\n\n"
                + "\n".join(item.full_stack.splitlines()[:-1])
                + "\n\n"
                + "🚫 "
                + item.full_stack.splitlines()[-1]
            )
            exc = exc.replace(str(self._phone), "📵")

            if os.environ.get("DATABASE_URL"):
                exc = exc.replace(
                    os.environ.get("DATABASE_URL"),
                    "postgre://**************************",
                )

            if os.environ.get("hikka_session"):
                exc = exc.replace(
                    os.environ.get("hikka_session"),
                    "StringSession(**************************)",
                )

            await utils.answer(
                message,
                self.strings("err").format(
                    utils.escape_html(utils.get_args_raw(message)),
                    exc,
                ),
            )

            return

        if callable(getattr(result, "stringify", None)):
            with contextlib.suppress(Exception):
                result = str(result.stringify())

        result = str(result)

        ret = ret.format(
            utils.escape_html(utils.get_args_raw(message)),
            utils.escape_html(result),
        )

        ret = ret.replace(str(self._phone), "📵")

        if postgre := os.environ.get("DATABASE_URL") or main.get_config_key(
            "postgre_uri"
        ):
            ret = ret.replace(postgre, "postgre://**************************")

        if redis := os.environ.get("REDIS_URL") or main.get_config_key("redis_uri"):
            ret = ret.replace(redis, "redis://**************************")

        if os.environ.get("hikka_session"):
            ret = ret.replace(
                os.environ.get("hikka_session"),
                "StringSession(**************************)",
            )

        with contextlib.suppress(MessageIdInvalidError):
            await utils.answer(message, ret)

    async def getattrs(self, message: Message) -> dict:
        reply = await message.get_reply_message()
        return {
            **{
                "message": message,
                "client": self._client,
                "reply": reply,
                "r": reply,
                **self.get_sub(telethon.tl.types),
                **self.get_sub(telethon.tl.functions),
                "event": message,
                "chat": message.to_id,
                "telethon": telethon,
                "utils": utils,
                "main": main,
                "loader": loader,
                "f": telethon.tl.functions,
                "c": self._client,
                "m": message,
                "lookup": self.lookup,
                "self": self,
                "db": self.db,
            },
        }

    def get_sub(self, obj: Any, _depth: int = 1) -> dict:
        """Get all callable capitalised objects in an object recursively, ignoring _*"""
        return {
            **dict(
                filter(
                    lambda x: x[0][0] != "_"
                    and x[0][0].upper() == x[0][0]
                    and callable(x[1]),
                    obj.__dict__.items(),
                )
            ),
            **dict(
                itertools.chain.from_iterable(
                    [
                        self.get_sub(y[1], _depth + 1).items()
                        for y in filter(
                            lambda x: x[0][0] != "_"
                            and isinstance(x[1], ModuleType)
                            and x[1] != obj
                            and x[1].__package__.rsplit(".", _depth)[0]
                            == "telethon.tl",
                            obj.__dict__.items(),
                        )
                    ]
                )
            ),
        }