"""
EU-Utility - System Tray Icon (Simplified)
==========================================

Simple, responsive system tray icon.
"""

from PyQt6.QtWidgets import QSystemTrayIcon, QMenu, QApplication, QWidget
from PyQt6.QtGui import QAction, QIcon, QColor, QPainter, QFont, QPixmap
from PyQt6.QtCore import pyqtSignal, Qt


class TrayIcon(QWidget):
    """Simple system tray icon for EU-Utility."""
    
    show_dashboard = pyqtSignal()
    toggle_activity_bar = pyqtSignal()
    open_settings = pyqtSignal()
    quit_app = pyqtSignal()
    
    def __init__(self, app: QApplication, parent=None):
        super().__init__(parent)
        self.app = app
        
        # Create icon
        self._create_icon()
        
        # Create menu (but don't set it yet)
        self._create_menu()
        
        # Connect signals
        self.tray_icon.activated.connect(self._on_activated)
    
    def _create_icon(self):
        """Create tray icon."""
        # Create simple icon
        px = QPixmap(64, 64)
        px.fill(QColor(255, 140, 66))  # Orange
        
        painter = QPainter(px)
        painter.setPen(QColor(255, 255, 255))
        font = QFont("Segoe UI", 24, QFont.Weight.Bold)
        painter.setFont(font)
        painter.drawText(px.rect(), 0x84, "EU")  # AlignCenter
        painter.end()
        
        self.tray_icon = QSystemTrayIcon(self)
        self.tray_icon.setIcon(QIcon(px))
        self.tray_icon.setToolTip("EU-Utility")
        self.tray_icon.show()
    
    def _create_menu(self):
        """Create simple context menu."""
        self.menu = QMenu()
        
        # Simple actions (no emojis to avoid encoding issues)
        self.dashboard_action = QAction("Dashboard", self)
        self.dashboard_action.triggered.connect(self.show_dashboard.emit)
        self.menu.addAction(self.dashboard_action)
        
        self.activity_bar_action = QAction("Activity Bar", self)
        self.activity_bar_action.setCheckable(True)
        self.activity_bar_action.triggered.connect(self.toggle_activity_bar.emit)
        self.menu.addAction(self.activity_bar_action)
        
        self.menu.addSeparator()
        
        self.quit_action = QAction("Quit", self)
        self.quit_action.triggered.connect(self.quit_app.emit)
        self.menu.addAction(self.quit_action)
        
        # Set context menu
        self.tray_icon.setContextMenu(self.menu)
    
    def show(self):
        """Show the tray icon."""
        if self.tray_icon:
            self.tray_icon.show()
    
    def hide(self):
        """Hide the tray icon."""
        if self.tray_icon:
            self.tray_icon.hide()
    
    def isVisible(self):
        """Check if tray icon is visible."""
        return self.tray_icon.isVisible() if self.tray_icon else False
    
    def _on_activated(self, reason):
        """Handle double-click."""
        if reason == QSystemTrayIcon.ActivationReason.DoubleClick:
            self.show_dashboard.emit()
    
    def set_activity_bar_checked(self, checked: bool):
        """Update checkbox."""
        self.activity_bar_action.setChecked(checked)