#/***************************************************************************
# *   Copyright (c) Victor Titov (DeepSOIC)                                 *
# *                                           (vv.titov@gmail.com) 2016     *
# *                                                                         *
# *   This file is part of the FreeCAD CAx development system.              *
# *                                                                         *
# *   This library is free software; you can redistribute it and/or         *
# *   modify it under the terms of the GNU Library General Public           *
# *   License as published by the Free Software Foundation; either          *
# *   version 2 of the License, or (at your option) any later version.      *
# *                                                                         *
# *   This library  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 library; see the file COPYING.LIB. If not,    *
# *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
# *   Suite 330, Boston, MA  02111-1307, USA                                *
# *                                                                         *
# ***************************************************************************/

__title__="BOPTools.JoinFeatures module"
__author__ = "DeepSOIC"
__url__ = "http://www.freecadweb.org"
__doc__ = "Implementation of document objects (features) for connect, ebmed and cutout operations."

from . import JoinAPI
import FreeCAD
import Part

if FreeCAD.GuiUp:
    import FreeCADGui
    from PySide import QtCore, QtGui
    # -------------------------- common stuff --------------------------------------------------
    
    #-------------------------- translation-related code ----------------------------------------
    #Thanks, yorik! (see forum thread "A new Part tool is being born... JoinFeatures!"
    #http://forum.freecadweb.org/viewtopic.php?f=22&t=11112&start=30#p90239 )
    
    try:
        _fromUtf8 = QtCore.QString.fromUtf8
    except Exception:
        def _fromUtf8(s):
            return s
    try:
        _encoding = QtGui.QApplication.UnicodeUTF8
        def _translate(context, text, disambig):
            return QtGui.QApplication.translate(context, text, disambig, _encoding)
    except AttributeError:
        def _translate(context, text, disambig):
            return QtGui.QApplication.translate(context, text, disambig)
else:
    def _translate(context, text, disambig):
        return text
    #--------------------------/translation-related code ----------------------------------------


def getParamRefine():
    return FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Part/Boolean").GetBool("RefineModel")

def cmdCreateJoinFeature(name, mode):
    "cmdCreateJoinFeature(name, mode): generalized implementaion of GUI commands."
    sel = FreeCADGui.Selection.getSelectionEx()
    FreeCAD.ActiveDocument.openTransaction("Create "+mode)
    FreeCADGui.addModule("BOPTools.JoinFeatures")
    FreeCADGui.doCommand("j = BOPTools.JoinFeatures.make{mode}(name = '{name}')".format(mode= mode, name= name))
    if mode == "Embed" or mode == "Cutout":
        FreeCADGui.doCommand("j.Base = App.ActiveDocument."+sel[0].Object.Name)
        FreeCADGui.doCommand("j.Tool = App.ActiveDocument."+sel[1].Object.Name)
    elif mode == "Connect":
        FreeCADGui.doCommand("j.Objects = {sel}".format(
           sel= "["  +  ", ".join(["App.ActiveDocument."+so.Object.Name for so in sel])  +  "]"
           ))
    else:
        raise ValueError("cmdCreateJoinFeature: Unexpected mode {mode}".format(mode= repr(mode)))

    try:
        FreeCADGui.doCommand("j.Proxy.execute(j)")
        FreeCADGui.doCommand("j.purgeTouched()")
    except Exception as err:
        mb = QtGui.QMessageBox()
        mb.setIcon(mb.Icon.Warning)
        mb.setText(_translate("Part_JoinFeatures","Computing the result failed with an error: \n\n{err}\n\n Click 'Continue' to create the feature anyway, or 'Abort' to cancel.", None)
                   .format(err= str(err)))
        mb.setWindowTitle(_translate("Part_JoinFeatures","Bad selection", None))
        btnAbort = mb.addButton(QtGui.QMessageBox.StandardButton.Abort)
        btnOK = mb.addButton(_translate("Part_JoinFeatures","Continue",None), QtGui.QMessageBox.ButtonRole.ActionRole)
        mb.setDefaultButton(btnOK)

        mb.exec_()

        if mb.clickedButton() is btnAbort:
            FreeCAD.ActiveDocument.abortTransaction()
            return

    FreeCADGui.doCommand("for obj in j.ViewObject.Proxy.claimChildren():\n"
                         "    obj.ViewObject.hide()")

    FreeCAD.ActiveDocument.commitTransaction()

def getIconPath(icon_dot_svg):
    return ":/icons/" + icon_dot_svg

# -------------------------- /common stuff --------------------------------------------------

# -------------------------- Connect --------------------------------------------------

def makeConnect(name):
    '''makeConnect(name): makes an Connect object.'''
    obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython",name)
    FeatureConnect(obj)
    if FreeCAD.GuiUp:
        ViewProviderConnect(obj.ViewObject)
    return obj

class FeatureConnect:
    "The PartJoinFeature object"
    def __init__(self,obj):
        obj.addProperty("App::PropertyLinkList","Objects","Connect","Object to be connectded.")
        obj.addProperty("App::PropertyBool","Refine","Connect","True = refine resulting shape. False = output as is.")
        obj.Refine = getParamRefine()
        obj.addProperty("App::PropertyLength","Tolerance","Connect","Tolerance when intersecting (fuzzy value). In addition to tolerances of the shapes.")

        obj.Proxy = self
        self.Type = "FeatureConnect"

    def execute(self,selfobj):
        rst = JoinAPI.connect([obj.Shape for obj in selfobj.Objects], selfobj.Tolerance)
        if selfobj.Refine:
            rst = rst.removeSplitter()
        selfobj.Shape = rst


class ViewProviderConnect:
    "A View Provider for the Part Connect feature"

    def __init__(self,vobj):
        vobj.Proxy = self

    def getIcon(self):
        return getIconPath("Part_JoinConnect.svg")

    def attach(self, vobj):
        self.ViewObject = vobj
        self.Object = vobj.Object


    def setEdit(self,vobj,mode):
        return False

    def unsetEdit(self,vobj,mode):
        return

    def __getstate__(self):
        return None

    def __setstate__(self,state):
        return None

    def claimChildren(self):
        return self.Object.Objects

    def onDelete(self, feature, subelements):
        try:
            for obj in self.claimChildren():
                obj.ViewObject.show()
        except Exception as err:
            FreeCAD.Console.PrintError("Error in onDelete: " + str(err))
        return True

    def canDragObjects(self):
        return True
    def canDropObjects(self):
        return True
    def canDragObject(self, dragged_object):
        return True
    def canDropObject(self, incoming_object):
        return hasattr(incoming_object, 'Shape')
    def dragObject(self, selfvp, dragged_object):
        objs = self.Object.Objects
        objs.remove(dragged_object)
        self.Object.Objects = objs
    def dropObject(self, selfvp, incoming_object):
        self.Object.Objects = self.Object.Objects + [incoming_object]


class CommandConnect:
    "Command to create Connect feature"
    def GetResources(self):
        return {'Pixmap'  : getIconPath("Part_JoinConnect.svg"),
                'MenuText': QtCore.QT_TRANSLATE_NOOP("Part_JoinFeatures","Connect objects"),
                'Accel': "",
                'ToolTip': QtCore.QT_TRANSLATE_NOOP("Part_JoinFeatures","Part_JoinConnect: Fuses objects, taking care to preserve voids.")}

    def Activated(self):
        if len(FreeCADGui.Selection.getSelectionEx()) >= 1 :
            cmdCreateJoinFeature(name = "Connect", mode = "Connect")
        else:
            mb = QtGui.QMessageBox()
            mb.setIcon(mb.Icon.Warning)
            mb.setText(_translate("Part_JoinFeatures", "Select at least two objects, or one or more compounds, first!", None))
            mb.setWindowTitle(_translate("Part_JoinFeatures","Bad selection", None))
            mb.exec_()

    def IsActive(self):
        if FreeCAD.ActiveDocument:
            return True
        else:
            return False

# -------------------------- /Connect --------------------------------------------------


# -------------------------- Embed --------------------------------------------------


def makeEmbed(name):
    '''makeEmbed(name): makes an Embed object.'''
    obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython",name)
    FeatureEmbed(obj)
    if FreeCAD.GuiUp:
        ViewProviderEmbed(obj.ViewObject)
    return obj

class FeatureEmbed:
    "The Part Embed object"
    def __init__(self,obj):
        obj.addProperty("App::PropertyLink","Base","Embed","Object to embed into.")
        obj.addProperty("App::PropertyLink","Tool","Embed","Object to be embedded.")
        obj.addProperty("App::PropertyBool","Refine","Embed","True = refine resulting shape. False = output as is.")
        obj.Refine = getParamRefine()
        obj.addProperty("App::PropertyLength","Tolerance","Embed","Tolerance when intersecting (fuzzy value). In addition to tolerances of the shapes.")

        obj.Proxy = self
        self.Type = "FeatureEmbed"

    def execute(self,selfobj):
        rst = JoinAPI.embed_legacy(selfobj.Base.Shape, selfobj.Tool.Shape, selfobj.Tolerance)
        if selfobj.Refine:
            rst = rst.removeSplitter()
        selfobj.Shape = rst


class ViewProviderEmbed:
    "A View Provider for the Part Embed feature"

    def __init__(self,vobj):
        vobj.Proxy = self

    def getIcon(self):
        return getIconPath("Part_JoinEmbed.svg")

    def attach(self, vobj):
        self.ViewObject = vobj
        self.Object = vobj.Object


    def setEdit(self,vobj,mode):
        return False

    def unsetEdit(self,vobj,mode):
        return

    def __getstate__(self):
        return None

    def __setstate__(self,state):
        return None

    def claimChildren(self):
        return [self.Object.Base, self.Object.Tool]

    def onDelete(self, feature, subelements):
        try:
            self.Object.Base.ViewObject.show()
            self.Object.Tool.ViewObject.show()
        except Exception as err:
            FreeCAD.Console.PrintError("Error in onDelete: " + str(err))
        return True

class CommandEmbed:
    "Command to create Part Embed feature"
    def GetResources(self):
        return {'Pixmap'  : getIconPath("Part_JoinEmbed.svg"),
                'MenuText': QtCore.QT_TRANSLATE_NOOP("Part_JoinFeatures","Embed object"),
                'Accel': "",
                'ToolTip': QtCore.QT_TRANSLATE_NOOP("Part_JoinFeatures","Fuses one object into another, taking care to preserve voids.")}

    def Activated(self):
        if len(FreeCADGui.Selection.getSelectionEx()) == 2 :
            cmdCreateJoinFeature(name = "Embed", mode = "Embed")
        else:
            mb = QtGui.QMessageBox()
            mb.setIcon(mb.Icon.Warning)
            mb.setText(_translate("Part_JoinFeatures","Select base object, then the object to embed, and invoke this tool.", None))
            mb.setWindowTitle(_translate("Part_JoinFeatures","Bad selection", None))
            mb.exec_()


    def IsActive(self):
        if FreeCAD.ActiveDocument:
            return True
        else:
            return False

# -------------------------- /Embed --------------------------------------------------



# -------------------------- Cutout --------------------------------------------------

def makeCutout(name):
    '''makeCutout(name): makes an Cutout object.'''
    obj = FreeCAD.ActiveDocument.addObject("Part::FeaturePython",name)
    FeatureCutout(obj)
    if FreeCAD.GuiUp:
        ViewProviderCutout(obj.ViewObject)
    return obj

class FeatureCutout:
    "The Part Cutout object"
    def __init__(self,obj):
        obj.addProperty("App::PropertyLink","Base","Cutout","Object to be cut.")
        obj.addProperty("App::PropertyLink","Tool","Cutout","Object to make cutout for.")
        obj.addProperty("App::PropertyBool","Refine","Cutout","True = refine resulting shape. False = output as is.")
        obj.Refine = getParamRefine()
        obj.addProperty("App::PropertyLength","Tolerance","Cutout","Tolerance when intersecting (fuzzy value). In addition to tolerances of the shapes.")

        obj.Proxy = self
        self.Type = "FeatureCutout"

    def execute(self,selfobj):
        rst = JoinAPI.cutout_legacy(selfobj.Base.Shape, selfobj.Tool.Shape, selfobj.Tolerance)
        if selfobj.Refine:
            rst = rst.removeSplitter()
        selfobj.Shape = rst


class ViewProviderCutout:
    "A View Provider for the Part Cutout feature"

    def __init__(self,vobj):
        vobj.Proxy = self

    def getIcon(self):
        return getIconPath("Part_JoinCutout.svg")

    def attach(self, vobj):
        self.ViewObject = vobj
        self.Object = vobj.Object


    def setEdit(self,vobj,mode):
        return False

    def unsetEdit(self,vobj,mode):
        return

    def __getstate__(self):
        return None

    def __setstate__(self,state):
        return None

    def claimChildren(self):
        return [self.Object.Base, self.Object.Tool]

    def onDelete(self, feature, subelements):
        try:
            self.Object.Base.ViewObject.show()
            self.Object.Tool.ViewObject.show()
        except Exception as err:
            FreeCAD.Console.PrintError("Error in onDelete: " + str(err))
        return True


class CommandCutout:
    "Command to create PartJoinFeature in Cutout mode"
    def GetResources(self):
        return {'Pixmap'  : getIconPath("Part_JoinCutout.svg"),
                'MenuText': QtCore.QT_TRANSLATE_NOOP("Part_JoinFeatures","Cutout for object"),
                'Accel': "",
                'ToolTip': QtCore.QT_TRANSLATE_NOOP("Part_JoinFeatures","Makes a cutout in one object to fit another object.")}

    def Activated(self):
        if len(FreeCADGui.Selection.getSelectionEx()) == 2 :
            cmdCreateJoinFeature(name = "Cutout", mode = "Cutout")
        else:
            mb = QtGui.QMessageBox()
            mb.setIcon(mb.Icon.Warning)
            mb.setText(_translate("Part_JoinFeatures","Select the object to make a cutout in, then the object that should fit into the cutout, and invoke this tool.", None))
            mb.setWindowTitle(_translate("Part_JoinFeatures","Bad selection", None))
            mb.exec_()

    def IsActive(self):
        if FreeCAD.ActiveDocument:
            return True
        else:
            return False

# -------------------------- /Cutout --------------------------------------------------

def addCommands():
    FreeCADGui.addCommand('Part_JoinCutout',CommandCutout())
    FreeCADGui.addCommand('Part_JoinEmbed',CommandEmbed())
    FreeCADGui.addCommand('Part_JoinConnect',CommandConnect())
