# ***************************************************************************
# *   (c) Sliptonic (shopinthewoods@gmail.com)  2016                        *
# *                                                                         *
# *   This file is part of the FreeCAD CAx development system.              *
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# *   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.                                 *
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# *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
# *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
# *   GNU Lesser General Public License for more details.                   *
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# *   USA                                                                   *
# *                                                                         *
# ***************************************************************************/

'''This file has utilities for checking and catching common errors in FreeCAD
Path projects.  Ideally, the user could execute these utilities from an icon
to make sure tools are selected and configured and defaults have been revised'''

from __future__ import print_function
from PySide import QtCore, QtGui
import FreeCAD
import FreeCADGui
import PathScripts.PathUtils as PU
import PathScripts
import PathScripts.PathCollision as PC
# Qt tanslation handling
def translate(context, text, disambig=None):
    return QtCore.QCoreApplication.translate(context, text, disambig)


class CommandPathSanity:
    baseobj=None

    def GetResources(self):
        return {'Pixmap'  : 'Path-Sanity',
                'MenuText': QtCore.QT_TRANSLATE_NOOP("Path_Sanity","Check the Path project for common errors"),
                'ToolTip': QtCore.QT_TRANSLATE_NOOP("Path_Sanity","Check the Path Project for common errors")}

    def IsActive(self):
        obj = FreeCADGui.Selection.getSelectionEx()[0].Object
        if (obj.TypeId == "Path::FeatureCompoundPython"):
            return True
        return False

    def __review(self, obj):
        "checks the selected job for common errors"
        toolcontrolcount = 0
        operationcount = 0
        #global baseobj

        # if obj.X_Max == obj.X_Min or obj.Y_Max == obj.Y_Min:
        #     FreeCAD.Console.PrintWarning(translate("Path_Sanity", "It appears the machine limits haven't been set.  Not able to check path extents.\n"))

        if obj.PostProcessor == '':
            FreeCAD.Console.PrintWarning(translate("Path_Sanity", "A Postprocessor has not been selected.\n"))

        if obj.PostProcessorOutputFile == '':
            FreeCAD.Console.PrintWarning(translate("Path_Sanity", "No output file is named. You'll be prompted during postprocessing.\n"))

        for item in obj.Group:
            print("Checking: " + item.Label)
            if isinstance(item.Proxy, PathScripts.PathLoadTool.LoadTool):
                toolcontrolcount += 1
                self.__checkTC(item)

            if isinstance(item.Proxy, PathScripts.PathContour.ObjectContour):
                if item.Active:
                    operationcount +=1
                    simobj = item.Proxy.execute(item, getsim=True)
                    if simobj is not None:
                        print ('collision detected')
                        PC.getCollisionObject(self.baseobj, simobj)
                        #r.original = self.baseobj


            if isinstance(item.Proxy, PathScripts.PathProfile.ObjectProfile):
                if item.Active:
                    operationcount +=1

            if isinstance(item.Proxy, PathScripts.PathProfileEdges.ObjectProfile):
                if item.Active:
                    operationcount +=1

            if isinstance(item.Proxy, PathScripts.PathPocket.ObjectPocket):
                if item.Active:
                    operationcount +=1

            if isinstance(item.Proxy, PathScripts.PathDrilling.ObjectDrilling):
                if item.Active:
                    operationcount +=1

            if isinstance(item.Proxy, PathScripts.PathMillFace.ObjectFace):
                if item.Active:
                    operationcount +=1

            if isinstance(item.Proxy, PathScripts.PathHelix.ObjectPathHelix):
                if item.Active:
                    operationcount +=1

            if isinstance(item.Proxy, PathScripts.PathSurface.ObjectSurface):
                if item.Active:
                    operationcount +=1

        if operationcount == 0: #no active operations
            FreeCAD.Console.PrintWarning(translate("Path_Sanity", "A Tool Controller was not found. Default values are used which is dangerous.  Please add a Tool Controller.\n"))

        if toolcontrolcount == 0: #need at least one active TC
            FreeCAD.Console.PrintWarning(translate("Path_Sanity", "A Tool Controller was not found. Default values are used which is dangerous.  Please add a Tool Controller.\n"))

    def __checkTC(self, item):
        if item.ToolNumber == 0:
            FreeCAD.Console.PrintWarning(translate("Path_Sanity", "Tool Controller: " + str(item.Label) + " is using ID 0 which the undefined default. Please set a real tool.\n"))
        if item.HorizFeed == 0:
            FreeCAD.Console.PrintWarning(translate("Path_Sanity", "Tool Controller: " + str(item.Label) + " has a 0 value for the Horizontal feed rate\n"))
        if item.VertFeed == 0:
            FreeCAD.Console.PrintWarning(translate("Path_Sanity", "Tool Controller: " + str(item.Label) + " has a 0 value for the Vertical feed rate\n"))
        if item.SpindleSpeed == 0:
            FreeCAD.Console.PrintWarning(translate("Path_Sanity", "Tool Controller: " + str(item.Label) + " has a 0 value for the spindle speed\n"))


    def Activated(self):
        #global baseobj 
        # if everything is ok, execute
        obj = FreeCADGui.Selection.getSelectionEx()[0].Object
        self.baseobj = obj.Base
        if self.baseobj is None:
            FreeCAD.Console.PrintWarning(translate("Path_Sanity", "The Job has no selected Base object.\n"))
            return
        self.__review(obj)

if FreeCAD.GuiUp:
    # register the FreeCAD command
    FreeCADGui.addCommand('Path_Sanity',CommandPathSanity())