#         ______     ___  ___          _       _      
#    ____ | ___ \    |  \/  |         | |     | |     
#   / __ \| |_/ /   _| .  . | ___   __| |_   _| | ___ 
#  / / _` |  __/ | | | |\/| |/ _ \ / _` | | | | |/ _ \
# | | (_| | |  | |_| | |  | | (_) | (_| | |_| | |  __/
#  \ \__,_\_|   \__, \_|  |_/\___/ \__,_|\__,_|_|\___|
#   \____/       __/ |                                
#               |___/                                 

# На модуль распространяется лицензия "GNU General Public License v3.0"
# https://github.com/all-licenses/GNU-General-Public-License-v3.0

# meta developer: @pymodule

from hikkatl.types import Message
from .. import loader, utils
import asyncio
import re


@loader.tds
class HistartMod(loader.Module):
    """
    🔁 Automatically restarts your userbot at set intervals.

    ⏱ Use .setrestart <interval> and .histart on/off to enable/disable.
    """

    strings = {
        "name": "Histart",
        "cfg_interval": "✅ Restart will occur every <b>{}</b>",
        "enabled_on": "✅ <b>Auto-restart enabled.</b>",
        "enabled_off": "🛑 <b>Auto-restart disabled.</b>",
        "invalid_format": "❌ <b>Invalid format.</b> Example: <code>1h30m</code>",
        "status_enabled": "✅ Auto-restart is currently <b>enabled</b>",
        "status_disabled": "🛑 Auto-restart is currently <b>disabled</b>",
    }

    strings_ru = {
        "cfg_interval": "✅ <b>Рестарт будет каждые {}</b>",
        "enabled_on": "✅ <b>Авто-рестарт включён.</b>",
        "enabled_off": "🛑 <b>Авто-рестарт выключен.</b>",
        "invalid_format": "❌ <b>Неверный формат.</b> Пример: <code>1h30m</code>",
        "status_enabled": "✅ Авто-рестарт сейчас <b>включён</b>",
        "status_disabled": "🛑 Авто-рестарт сейчас <b>выключен</b>",
    }

    def __init__(self):
        self._task = None
        self.config = loader.ModuleConfig(
            loader.ConfigValue(
                "enabled",
                False,
                lambda: "Включить авто-рестарт",
                validator=loader.validators.Boolean(),
            ),
            loader.ConfigValue(
                "interval",
                10800,
                lambda: "Интервал между рестартами в секундах (например, 3600 = 1ч)",
                validator=loader.validators.Integer(minimum=1),
            ),
        )

    async def client_ready(self, client, db):
        self.client = client
        self.db = db

        if self.config["enabled"]:
            self._start_loop()

    def _start_loop(self):
        if self._task and not self._task.done():
            self._task.cancel()
        self._task = asyncio.create_task(self._auto_restart_loop())

    async def _auto_restart_loop(self):
        try:
            while True:
                await asyncio.sleep(self.config["interval"])
                await self.invoke("restart", "-f", peer="me")
        except asyncio.CancelledError:
            pass  # task manually cancelled

    @loader.command(
        doc="⚙️ Set auto-restart interval. Supports formats like 1h30m, 2d3h.",
        ru_doc="⚙️ Установить интервал автоперезапуска. Поддерживает 1h30m, 2d3h и т.д.",
    )
    async def setrestart(self, message: Message):
        args = message.raw_text.split(maxsplit=1)
        if len(args) < 2:
            return await utils.answer(message, self.strings("invalid_format"))

        seconds = self._parse_interval(args[1].lower())
        if not seconds:
            return await utils.answer(message, self.strings("invalid_format"))

        self.config["interval"] = seconds
        short = self._short_format(seconds)
        await utils.answer(message, self.strings("cfg_interval").format(short))

        # перезапускаем задачу, если уже включено
        if self.config["enabled"]:
            self._start_loop()

    @loader.command(
        doc="🔁 Enable/disable auto-restart: .histart on | off",
        ru_doc="🔁 Включить или выключить авто-рестарт: .histart on | off",
    )
    async def histart(self, message: Message):
        args = utils.get_args_raw(message).lower()

        if args == "on":
            self.config["enabled"] = True
            self._start_loop()
            await utils.answer(message, self.strings("enabled_on"))

        elif args == "off":
            self.config["enabled"] = False
            if self._task and not self._task.done():
                self._task.cancel()
            await utils.answer(message, self.strings("enabled_off"))

        else:
            await utils.answer(
                message,
                self.strings("status_enabled") if self.config["enabled"]
                else self.strings("status_disabled")
            )

    def _parse_interval(self, text: str) -> int | None:
        multipliers = {"s": 1, "m": 60, "h": 3600, "d": 86400, "w": 604800, "y": 31536000}
        matches = re.findall(r"(\d+)([smhdwy])", text)
        if not matches:
            return None
        return sum(int(n) * multipliers[u] for n, u in matches)

    def _short_format(self, seconds: int) -> str:
        units = [("y", 31536000), ("w", 604800), ("d", 86400), ("h", 3600), ("m", 60), ("s", 1)]
        result = []
        for key, val in units:
            count = seconds // val
            if count:
                result.append(f"{count}{key}")
                seconds %= val
        return "".join(result)