# -*- coding: utf8 -*-

# ***************************************************************************
# *                                                                         *
# *   Copyright (c) 2017 Yorik van Havre <yorik@uncreated.net>              *
# *                                                                         *
# *   This program is free software; you can redistribute it and/or modify  *
# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
# *   as published by the Free Software Foundation; either version 2 of     *
# *   the License, or (at your option) any later version.                   *
# *   for detail see the LICENCE text file.                                 *
# *                                                                         *
# *   This program is distributed in the hope that it will be useful,       *
# *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
# *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
# *   GNU Library General Public License for more details.                  *
# *                                                                         *
# *   You should have received a copy of the GNU Library General Public     *
# *   License along with this program; if not, write to the Free Software   *
# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
# *   USA                                                                   *
# *                                                                         *
# ***************************************************************************

"""This module contains FreeCAD commands for the BIM workbench"""

import os
import FreeCAD
import FreeCADGui

QT_TRANSLATE_NOOP = FreeCAD.Qt.QT_TRANSLATE_NOOP
translate = FreeCAD.Qt.translate


# Status bar buttons

def setStatusIcons(show=True):
    "shows or hides the BIM icons in the status bar"

    import FreeCADGui
    from PySide import QtCore, QtGui

    nudgeLabelsI = [
        translate("BIM", "Custom..."),
        '1/16"',
        '1/8"',
        '1/4"',
        '1"',
        '6"',
        "1'",
        translate("BIM", "Auto"),
    ]
    nudgeLabelsM = [
        translate("BIM", "Custom..."),
        "1 mm",
        "5 mm",
        "1 cm",
        "5 cm",
        "10 cm",
        "50 cm",
        translate("BIM", "Auto"),
    ]

    def toggle(state):
        FreeCADGui.runCommand("BIM_TogglePanels")

    def toggleBimViews(state):
        FreeCADGui.runCommand("BIM_Views")

    def toggleBackground(state):
        FreeCADGui.runCommand("BIM_Background")

    def setNudge(action):
        utext = action.text().replace("&", "")
        if utext == nudgeLabelsM[0]:
            # load dialog
            form = FreeCADGui.PySideUic.loadUi(":/ui/dialogNudgeValue.ui")
            # center the dialog over FreeCAD window
            mw = FreeCADGui.getMainWindow()
            form.move(
                mw.frameGeometry().topLeft() + mw.rect().center() - form.rect().center()
            )
            result = form.exec_()
            if not result:
                return
            utext = form.inputField.text()
        action.parent().parent().parent().setText(utext)

    def toggleContextMenu(point):
        # DISABLED - TODO need to find a way to add a context menu to a QAction...
        FreeCADGui.BimToggleMenu = QtGui.QMenu()
        for t in ["Report view", "Python console", "Selection view", "Combo View"]:
            a = QtGui.QAction(t)
            # a.setCheckable(True)
            # a.setChecked(FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/BIM").GetBool("toggle"+t.replace(" ",""),True))
            FreeCADGui.BimToggleMenu.addAction(a)
        pos = FreeCADGui.getMainWindow().cursor().pos()
        FreeCADGui.BimToggleMenu.triggered.connect(toggleSaveSettings)
        # QtCore.QObject.connect(FreeCADGui.BimToggleMenu,QtCore.SIGNAL("triggered(QAction *)"),toggleSaveSettings)
        FreeCADGui.BimToggleMenu.popup(pos)

    def toggleSaveSettings(action):
        t = action.text()
        FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/BIM").SetBool(
            "toggle" + t.replace(" ", ""), action.isChecked()
        )
        if hasattr(FreeCADGui, "BimToggleMenu"):
            del FreeCADGui.BimToggleMenu

    # main code

    mw = FreeCADGui.getMainWindow()
    if mw:
        st = mw.statusBar()
        statuswidget = st.findChild(QtGui.QToolBar, "BIMStatusWidget")
        if show:
            if statuswidget:
                statuswidget.show()
            else:
                statuswidget = FreeCADGui.UiLoader().createWidget("Gui::ToolBar")
                statuswidget.setObjectName("BIMStatusWidget")
                s = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/General").GetInt("ToolbarIconSize", 24)
                statuswidget.setIconSize(QtCore.QSize(s,s))
                st.insertPermanentWidget(2, statuswidget)

                # report panels toggle button
                togglebutton = QtGui.QAction()
                togglemenu = QtGui.QMenu()
                for t in ["Toggle", "Report view", "Python console", "Selection view", "Combo View"]:
                    a = QtGui.QAction(t)
                    togglemenu.addAction(a)
                togglemenu.triggered.connect(toggleSaveSettings)
                togglebutton.setIcon(QtGui.QIcon(":/icons/BIM_TogglePanels.svg"))
                togglebutton.setText("")
                togglebutton.setToolTip(
                    translate("BIM", "Toggle report panels on/off (Ctrl+0)")
                )
                togglebutton.setCheckable(True)
                rv = mw.findChild(QtGui.QWidget, "Python console")
                if rv and rv.isVisible():
                    togglebutton.setChecked(True)
                statuswidget.togglebutton = togglebutton
                #togglebutton.setMenu(togglemenu)
                togglebutton.triggered.connect(toggle)
                statuswidget.addAction(togglebutton)

                # bim views widget toggle button
                from bimcommands import BimViews

                bimviewsbutton = QtGui.QAction()
                bimviewsbutton.setIcon(QtGui.QIcon(":/icons/BIM_Views.svg"))

                bimviewsbutton.setText("")
                bimviewsbutton.setToolTip(
                    translate("BIM", "Toggle BIM views panel on/off (Ctrl+9)")
                )
                bimviewsbutton.setCheckable(True)
                if BimViews.findWidget():
                    bimviewsbutton.setChecked(True)
                statuswidget.bimviewsbutton = bimviewsbutton
                bimviewsbutton.triggered.connect(toggleBimViews)
                statuswidget.addAction(bimviewsbutton)

                # background toggle button
                bgbutton = QtGui.QAction()
                #bwidth = bgbutton.fontMetrics().boundingRect("AAAA").width()
                #bgbutton.setMaximumWidth(bwidth)
                bgbutton.setIcon(QtGui.QIcon(":/icons/BIM_Background.svg"))
                bgbutton.setText("")
                bgbutton.setToolTip(
                    translate(
                        "BIM", "Toggle 3D view background between simple and gradient"
                    )
                )
                statuswidget.bgbutton = bgbutton
                bgbutton.triggered.connect(toggleBackground)
                statuswidget.addAction(bgbutton)

                # ifc widgets
                try:
                    from nativeifc import ifc_status
                except:
                    pass
                else:
                    ifc_status.set_status_widget(statuswidget)

                # nudge button
                nudge = QtGui.QPushButton(nudgeLabelsM[-1])
                nudge.setIcon(
                    QtGui.QIcon(":/icons/BIM_Nudge.svg"))
                nudge.setFlat(True)
                nudge.setToolTip(
                    translate(
                        "BIM",
                        "The value of the nudge movement (rotation is always 45°)."
                        "CTRL+arrows to move\nCTRL+, to rotate left"
                        "CTRL+. to rotate right\nCTRL+PgUp to extend extrusion"
                        "CTRL+PgDown to shrink extrusion"
                        "CTRL+/ to switch between auto and manual mode",
                    )
                )
                statuswidget.addWidget(nudge)
                statuswidget.nudge = nudge
                menu = QtGui.QMenu(nudge)
                gnudge = QtGui.QActionGroup(menu)
                for u in nudgeLabelsM:
                    a = QtGui.QAction(gnudge)
                    a.setText(u)
                    menu.addAction(a)
                nudge.setMenu(menu)
                gnudge.triggered.connect(setNudge)
                statuswidget.nudgeLabelsI = nudgeLabelsI
                statuswidget.nudgeLabelsM = nudgeLabelsM
                statuswidget.show()

        else:
            if statuswidget is None:
                # when switching workbenches, the toolbar sometimes "jumps"
                # out of the status bar to any other dock area...
                statuswidget = mw.findChild(QtGui.QToolBar, "BIMStatusWidget")
            if statuswidget:
                statuswidget.hide()
                statuswidget.toggleViewAction().setVisible(False)
