"""
nueScan - Oscilloscope Dialog Controller
Handles all UI interactions for the oscilloscope dialog

Copyright (C) 2025 Thomas Ales
Licensed under GNU General Public License v2.0
"""

import os
from PyQt6 import uic
from PyQt6.QtWidgets import QDialog, QMessageBox


class OscopeDialog(QDialog):
    """Oscope dialog for nueScan application"""

    def __init__(self, parent, microscope):
        super().__init__(parent)

        # Store hardware controllers
        self.microscope = microscope

        # Load UI file
        ui_path = os.path.join(os.path.dirname(__file__), '..', 'nuescan_oscope_dialog.ui')
        uic.loadUi(ui_path, self)

        # Set window title
        self.setWindowTitle("nueScan - Oscilloscope Settings")

        # Connect all UI signals
        self._connect_signals()

        # Initialize UI state
        self._initialize_ui()

    def _connect_signals(self):
        """Connect all UI signals to handler methods"""
        # ===== ComboBox Value Changed Handlers =====
        self.cb_set_trig_channel.currentIndexChanged.connect(self.on_trigger_channel_changed)
        self.cb_set_saw_channel.currentIndexChanged.connect(self.on_saw_channel_changed)
        self.cb_set_bias_a_ch.currentIndexChanged.connect(self.on_bias_a_channel_changed)
        self.cb_set_bias_b_ch.currentIndexChanged.connect(self.on_bias_b_channel_changed)

        # ===== LineEdit Text Changed Handlers =====
        self.le_set_trigger_voltage.textChanged.connect(self.on_trigger_voltage_changed)
        self.le_set_sample_thresh_voltage.textChanged.connect(self.on_sample_thresh_voltage_changed)
        self.le_set_pd_trig_voltage.textChanged.connect(self.on_pd_trig_voltage_changed)
        self.le_oscope_visa_address.textChanged.connect(self.on_oscope_visa_address_changed)


        # ===== Button Click Handlers =====
        self.btn_test_scope_connection.clicked.connect(self.on_test_scope_connection_clicked)
        self.btn_save_scope_settings.clicked.connect(self.on_save_scope_settings_clicked)
        self.btn_cancel_scope_settings.clicked.connect(self.on_cancel_scope_settings_clicked)

    def _initialize_ui(self):
        """Initialize UI with default values"""
        # Populate combo boxes with dummy data
        self._populate_combo_boxes()

    def _populate_combo_boxes(self):
        """Populate all combo boxes with initial values"""
        # Oscilloscope channels
        channels = ["CH1", "CH2", "CH3", "CH4"]
        self.cb_set_trig_channel.addItems(channels)
        self.cb_set_saw_channel.addItems(channels)
        self.cb_set_bias_a_ch.addItems(channels)
        self.cb_set_bias_b_ch.addItems(channels)


    # ==================== ComboBox Change Handlers ====================

    def on_trigger_channel_changed(self, index):
        """Handle Phototrigger channel change"""
        channel = self.cb_set_trig_channel.currentText()
        print(f"DEBUG: Phototrigger channel changed to: {channel}")

    def on_bias_a_channel_changed(self, index):
        """Handle Bias A channel change"""
        channel = self.cb_set_bias_a_ch.currentText()
        print(f"DEBUG: Bias A channel changed to: {channel}")

    def on_bias_b_channel_changed(self, index):
        """Handle Bias B channel change"""
        channel = self.cb_set_bias_b_ch.currentText()
        print(f"DEBUG: Bias B channel changed to: {channel}")

    def on_saw_channel_changed(self, index):
        """Handle RF/SAW channel change"""
        channel = self.cb_set_saw_channel.currentText()
        print(f"DEBUG: RF/SAW channel changed to: {channel}")


    # ==================== LineEdit Text Change Handlers ====================

    def on_pd_trig_voltage_changed(self, text):
        """Handle PD Trigger voltage change"""
        print(f"DEBUG: PD Trigger voltage changed to: {text}")

    def on_trigger_voltage_changed(self, text):
        """Handle Sample Min Bias voltage change"""
        print(f"DEBUG: Sample Min Bias voltage changed to: {text}")

    def on_sample_thresh_voltage_changed(self, text):
        """Handle Sample Min Bias voltage change (placeholder)"""
        print(f"DEBUG: Sample threshold voltage changed to: {text}")

    def on_oscope_visa_address_changed(self, text):
        """Handle oscilloscope VISA address change"""
        print(f"DEBUG: Oscilloscope VISA address changed to: {text}")

    # ==================== Button Click Handlers ====================

    def on_test_scope_connection_clicked(self):
        """Test the oscilloscope connection"""
        print("DEBUG: Test oscope connection clicked")

    def on_save_scope_settings_clicked(self):
        """Save the oscilloscope settings"""
        print("DEBUG: Save oscope settings clicked")
        self.accept()

    def on_cancel_scope_settings_clicked(self):
        """Cancel the oscilloscope settings changes"""
        print("DEBUG: Cancel oscope settings clicked")
        self.reject()