#!/usr/bin/env python3
"""
Portfolio Manager - Main Entry Point

Desktop application for managing investment portfolio (180k EUR target).
Built with PyQt6, SQLite, and yfinance.
"""

import sys
import logging
from pathlib import Path

from PyQt6.QtWidgets import QApplication
from PyQt6.QtCore import Qt

# Add src to path for imports
sys.path.insert(0, str(Path(__file__).parent))

from src.gui.main_window import MainWindow


def setup_logging():
    """Configure application logging."""
    logging.basicConfig(
        level=logging.DEBUG,
        format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
        handlers=[
            logging.FileHandler('portfolio.log'),
            logging.StreamHandler(sys.stdout)
        ]
    )
    logger = logging.getLogger(__name__)
    logger.info("=" * 60)
    logger.info("Portfolio Manager Application Starting")
    logger.info("=" * 60)


def main():
    """Main application entry point."""
    # Setup logging
    setup_logging()
    logger = logging.getLogger(__name__)

    try:
        # Create QApplication
        app = QApplication(sys.argv)
        app.setApplicationName("Portfolio Manager")
        app.setOrganizationName("Personal Finance")

        # Enable High DPI scaling
        if hasattr(Qt.ApplicationAttribute, 'AA_EnableHighDpiScaling'):
            app.setAttribute(Qt.ApplicationAttribute.AA_EnableHighDpiScaling, True)
        if hasattr(Qt.ApplicationAttribute, 'AA_UseHighDpiPixmaps'):
            app.setAttribute(Qt.ApplicationAttribute.AA_UseHighDpiPixmaps, True)

        # Create and show main window
        logger.info("Creating main window...")
        main_window = MainWindow()
        main_window.show()

        logger.info("Application ready. Entering main loop.")

        # Run application event loop
        exit_code = app.exec()

        logger.info(f"Application exiting with code {exit_code}")
        return exit_code

    except Exception as e:
        logger.critical(f"Fatal error during application startup: {e}", exc_info=True)
        return 1


if __name__ == '__main__':
    sys.exit(main())