"""Settings dialog for monitor selection."""

from PyQt6.QtWidgets import (QDialog, QVBoxLayout, QHBoxLayout, QLabel,
                             QComboBox, QPushButton, QGroupBox)
from PyQt6.QtGui import QScreen
from PyQt6.QtCore import QSettings
from PyQt6.QtWidgets import QApplication


class SettingsDialog(QDialog):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.settings = QSettings()
        self.init_ui()
        
    def init_ui(self):
        self.setWindowTitle("Settings")
        self.setMinimumWidth(400)
        
        layout = QVBoxLayout(self)
        
        # Monitor selection group
        monitor_group = QGroupBox("Display Settings")
        monitor_layout = QVBoxLayout()
        
        monitor_label = QLabel("Select Monitor for Timers:")
        monitor_layout.addWidget(monitor_label)
        
        self.monitor_combo = QComboBox()
        self.populate_monitors()
        monitor_layout.addWidget(self.monitor_combo)
        
        # Load saved monitor
        saved_monitor = self.settings.value("monitor_index", 0, type=int)
        if saved_monitor < self.monitor_combo.count():
            self.monitor_combo.setCurrentIndex(saved_monitor)
        
        monitor_group.setLayout(monitor_layout)
        layout.addWidget(monitor_group)
        
        # Buttons
        button_layout = QHBoxLayout()
        save_btn = QPushButton("Save")
        cancel_btn = QPushButton("Cancel")
        
        save_btn.clicked.connect(self.save_settings)
        cancel_btn.clicked.connect(self.reject)
        
        button_layout.addStretch()
        button_layout.addWidget(save_btn)
        button_layout.addWidget(cancel_btn)
        
        layout.addLayout(button_layout)
        
    def populate_monitors(self):
        screens = QApplication.screens()
        for i, screen in enumerate(screens):
            geometry = screen.geometry()
            screen_info = f"Monitor {i + 1}: {geometry.width()}x{geometry.height()} at ({geometry.x()}, {geometry.y()})"
            self.monitor_combo.addItem(screen_info, i)
            
    def save_settings(self):
        monitor_index = self.monitor_combo.currentData()
        self.settings.setValue("monitor_index", monitor_index)
        self.accept()