# utils/logging_manager.py
"""
Logging manager with GUI integration
"""
import logging
import os
from typing import Optional
from datetime import datetime
from pathlib import Path
import tkinter as tk
from tkinter import ttk
from queue import Queue, Empty
import threading
from .output_redirector import OutputRedirector

class LoggingManager:
    def __init__(self, work_dir: str):
        self.work_dir = work_dir
        self.log_dir = os.path.join(work_dir, "logs")
        os.makedirs(self.log_dir, exist_ok=True)
        
        self.logger = self._setup_logger()
        self.queue: Optional[Queue] = None
        self.text_widget: Optional[tk.Text] = None
        
    def _setup_logger(self) -> logging.Logger:
        logger = logging.getLogger("app_logger")
        logger.setLevel(logging.INFO)
        
        # File handler
        log_file = os.path.join(self.log_dir, f"app_{datetime.now():%Y%m%d}.log")
        file_handler = logging.FileHandler(log_file, encoding="utf-8")
        file_handler.setLevel(logging.INFO)
        
        formatter = logging.Formatter("%(asctime)s - %(levelname)s - %(message)s")
        file_handler.setFormatter(formatter)
        
        logger.addHandler(file_handler)
        return logger
        
    def setup_gui_logging(self, text_widget: tk.Text, queue: Queue):
        """Setup logging to GUI text widget"""
        self.text_widget = text_widget
        self.queue = queue
        
        # Add handler for GUI logging
        gui_handler = logging.StreamHandler(OutputRedirector(queue))
        gui_handler.setLevel(logging.INFO)
        formatter = logging.Formatter("%(message)s")
        gui_handler.setFormatter(formatter)
        
        self.logger.addHandler(gui_handler)
        
    def process_log_queue(self):
        """Process pending log messages"""
        if self.queue and self.text_widget:
            while True:
                try:
                    message = self.queue.get_nowait()
                    self.text_widget.insert(tk.END, message)
                    self.text_widget.see(tk.END)
                    self.text_widget.update_idletasks()
                except Empty:
                    break
                    
    def clear_output(self):
        """Clear the text widget"""
        if self.text_widget:
            self.text_widget.delete("1.0", tk.END)