import logging
import logging.config
import asyncio
import json
import yaml
import os
from typing import Any, Optional

<<<<<<<< HEAD:src/config_manager.py
logger = logging.getLogger(__name__)

========
from .log_manager import LogManager
>>>>>>>> develop:src/basic_application/config_manager.py

class ConfigManager:
    DEFAULT_UPDATE_INTERVAL = 5.0
    DEFAULT_WORK_INTERVAL = 2.0

    def __init__(self, path: str, log_manager: Optional[LogManager] = None):
        self.path = path
        self.config: Any = None
        self._last_hash = None
        self.update_interval = self.DEFAULT_UPDATE_INTERVAL
        self.work_interval = self.DEFAULT_WORK_INTERVAL
        self._halt = asyncio.Event()
        self._task: Optional[asyncio.Task] = None
        self._loop: Optional[asyncio.AbstractEventLoop] = None
        
        self._log_manager = log_manager or LogManager()
        self.logger = logging.getLogger(__name__)

    def _read_file_sync(self) -> str:
        with open(self.path, "r", encoding="utf-8") as f:
            return f.read()

    async def _read_file_async(self) -> str:
        return await asyncio.to_thread(self._read_file_sync)

<<<<<<<< HEAD:src/config_manager.py
    def _parse_config(self,  data) -> Any:
========
    def _parse_config(self, data) -> Any:
>>>>>>>> develop:src/basic_application/config_manager.py
        extension = os.path.splitext(self.path)[1].lower()
        if extension in (".yaml", ".yml"):
            return yaml.safe_load(data)
        else:
            return json.loads(data)

    def _update_intervals_from_config(self) -> None:
        if not self.config:
            return
        upd = self.config.get("update_interval")
        wrk = self.config.get("work_interval")

        if isinstance(upd, (int, float)) and upd > 0:
            self.update_interval = float(upd)
            self.logger.info(f"Update interval set to {self.update_interval} seconds")
        else:
            self.update_interval = self.DEFAULT_UPDATE_INTERVAL

        if isinstance(wrk, (int, float)) and wrk > 0:
            self.work_interval = float(wrk)
            self.logger.info(f"Work interval set to {self.work_interval} seconds")
        else:
            self.work_interval = self.DEFAULT_WORK_INTERVAL

    async def _update_config(self) -> None:
        try:
            data = await self._read_file_async()
            current_hash = hash(data)
            if current_hash != self._last_hash:
                new_config = self._parse_config(data)
                self.config = new_config
                self._last_hash = current_hash

                self._log_manager.apply_config(new_config)
                self._update_intervals_from_config()

        except Exception as e:
            self.logger.error(f"Error reading/parsing config file: {e}")

    def execute(self) -> None:
        """
        Метод для переопределения в подклассах.
        Здесь может быть блокирующая работа.
        Запускается в отдельном потоке.
        """
        pass

    async def _worker_loop(self) -> None:
        while not self._halt.is_set():
            await asyncio.to_thread(self.execute)
            await asyncio.sleep(self.work_interval)

    async def _periodic_update_loop(self) -> None:
        while not self._halt.is_set():
            await self._update_config()
            await asyncio.sleep(self.update_interval)

    async def _run(self) -> None:
        """Внутренняя корутина, запускающая все циклы"""
        self._halt.clear()
        self.logger.info("ConfigManager started")
        try:
            await asyncio.gather(
                self._worker_loop(),
                self._periodic_update_loop()
            )
        except asyncio.CancelledError:
            self.logger.info("ConfigManager tasks cancelled")
        finally:
            self.logger.info("ConfigManager stopped")

    def start(self) -> None:
        """Запускает менеджер конфигурации в текущем event loop"""
        if self._task is not None and not self._task.done():
            self.logger.warning("ConfigManager is already running")
            return
        
        try:
            self._loop = asyncio.get_running_loop()
        except RuntimeError:
            self.logger.error("start() must be called from within an async context")
            raise
        
        self._task = self._loop.create_task(self._run())
        self.logger.info("ConfigManager task created")

    async def stop(self) -> None:
        """Останавливает менеджер конфигурации и ожидает завершения"""
        if self._task is None:
            self.logger.warning("ConfigManager is not running")
            return
        
        self.logger.info("ConfigManager stopping...")
        self._halt.set()
        
        try:
            await self._task
        except asyncio.CancelledError:
            pass
        
        self._task = None
<<<<<<<< HEAD:src/config_manager.py
        logger.info("ConfigManager stopped successfully")
========
        self.logger.info("ConfigManager stopped successfully")
>>>>>>>> develop:src/basic_application/config_manager.py