# Mantid Repository : https://github.com/mantidproject/mantid
#
# Copyright © 2019 ISIS Rutherford Appleton Laboratory UKRI,
#     NScD Oak Ridge National Laboratory, European Spallation Source
#     & Institut Laue - Langevin
# SPDX - License - Identifier: GPL - 3.0 +
# pylint: disable=invalid-name
from __future__ import (absolute_import, division, print_function)
from qtpy import QtCore, QtWidgets

from .tabs.calibration.presenter import CalibrationPresenter
from .tabs.calibration.view import CalibrationView
from .tabs.calibration.model import CalibrationModel

from mantidqt.interfacemanager import InterfaceManager
from mantidqt.utils.qt import load_ui

Ui_main_window, _ = load_ui(__file__, "main_window.ui")


class EngineeringDiffractionGui(QtWidgets.QMainWindow, Ui_main_window):
    """
    The engineering diffraction interface v2.0
    """
    def __init__(self, parent=None):
        super(EngineeringDiffractionGui, self).__init__(parent)

        # Main Window
        self.setupUi(self)
        self.doc = "Engineering Diffraction 2"
        self.tabs = self.tab_main
        self.setFocusPolicy(QtCore.Qt.StrongFocus)
        self.calibration_presenter = None
        self.set_on_help_clicked(self.open_help_window)

        self.setup_calibration()

    def setup_calibration(self):
        cal_model = CalibrationModel()
        cal_view = CalibrationView(parent=self.tabs)
        self.calibration_presenter = CalibrationPresenter(cal_model, cal_view)
        self.set_on_instrument_changed(self.calibration_presenter.set_instrument_override)
        self.set_on_rb_num_changed(self.calibration_presenter.set_rb_number)
        self.tabs.addTab(cal_view, "Calibration")

    def set_on_help_clicked(self, slot):
        self.pushButton_help.clicked.connect(slot)

    def set_on_rb_num_changed(self, slot):
        self.lineEdit_RBNumber.textChanged.connect(slot)

    def set_on_instrument_changed(self, slot):
        self.comboBox_instrument.currentTextChanged.connect(slot)

    def open_help_window(self):
        InterfaceManager().showCustomInterfaceHelp(self.doc)

    def get_rb_no(self):
        return self.lineEdit_RBNumber.text()