# -*- coding: utf-8 -*-

# ***************************************************************************
# *                                                                         *
# *   Copyright (c) 2014 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                                                                   *
# *                                                                         *
# ***************************************************************************

import FreeCAD
import glob
import os
import PathScripts.PathLog as PathLog

PathLog.setLevel(PathLog.Level.INFO, PathLog.thisModule())
#PathLog.trackModule()

DefaultFilePath           = "DefaultFilePath"
DefaultJobTemplate        = "DefaultJobTemplate"
DefaultStockTemplate      = "DefaultStockTemplate"
DefaultTaskPanelLayout    = "DefaultTaskPanelLayout"

PostProcessorDefault      = "PostProcessorDefault"
PostProcessorDefaultArgs  = "PostProcessorDefaultArgs"
PostProcessorBlacklist    = "PostProcessorBlacklist"
PostProcessorOutputFile   = "PostProcessorOutputFile"
PostProcessorOutputPolicy = "PostProcessorOutputPolicy"

LastPathToolBit           = "LastPathToolBit"
LastPathToolLibrary       = "LastPathToolLibrary"
LastPathToolShape         = "LastPathToolShape"
LastPathToolTable          ="LastPathToolTable"

UseLegacyTools            = "UseLegacyTools"
UseAbsoluteToolPaths      = "UseAbsoluteToolPaths"
OpenLastLibrary           = "OpenLastLibrary"

# Linear tolerance to use when generating Paths, eg when tessellating geometry
GeometryTolerance       = "GeometryTolerance"
LibAreaCurveAccuracy    = "LibAreaCurveAccuarcy"

EnableExperimentalFeatures = "EnableExperimentalFeatures"


def preferences():
    return FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Path")

def pathScriptsSourcePath():
    return os.path.join(FreeCAD.getHomePath(), "Mod/Path/PathScripts/")

def pathDefaultToolsPath(sub=None):
    if sub:
        return os.path.join(FreeCAD.getHomePath(), "Mod/Path/Tools/", sub)
    return os.path.join(FreeCAD.getHomePath(), "Mod/Path/Tools/")

def allAvailablePostProcessors():
    allposts = []
    for path in searchPathsPost():
        posts = [ str(os.path.split(os.path.splitext(p)[0])[1][:-5]) for p in glob.glob(path + '/*_post.py')]
        allposts.extend(posts)
    allposts.sort()
    return allposts

def allEnabledPostProcessors(include = None):
    blacklist = postProcessorBlacklist()
    enabled = [processor for processor in allAvailablePostProcessors() if not processor in blacklist]
    if include:
        l = list(set(include + enabled))
        l.sort()
        return l
    return enabled

def defaultPostProcessor():
    pref = preferences()
    return pref.GetString(PostProcessorDefault, "")

def defaultPostProcessorArgs():
    pref = preferences()
    return pref.GetString(PostProcessorDefaultArgs, "")

def defaultGeometryTolerance():
    return preferences().GetFloat(GeometryTolerance, 0.01)

def defaultLibAreaCurveAccuracy():
    return preferences().GetFloat(LibAreaCurveAccuracy, 0.01)

def defaultFilePath():
    return preferences().GetString(DefaultFilePath)

def filePath():
    path = defaultFilePath()
    if not path:
        path = macroFilePath()
    return path

def macroFilePath():
    grp = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Macro")
    return grp.GetString("MacroPath", FreeCAD.getUserMacroDir())

def searchPaths():
    paths = []
    p = defaultFilePath()
    if p:
        paths.append(p)
    paths.append(macroFilePath())
    return paths

def searchPathsPost():
    paths = []
    p = defaultFilePath()
    if p:
        paths.append(p)
    paths.append(macroFilePath())
    paths.append(os.path.join(pathScriptsSourcePath(), "post/"))
    paths.append(pathScriptsSourcePath())
    return paths

def searchPathsTool(sub='Bit'):
    paths = []

    if 'Bit' == sub:
        paths.append(lastPathToolBit())
    if 'Library' == sub:
        paths.append(lastPathToolLibrary())
    if 'Shape' == sub:
        paths.append(lastPathToolShape())

    def appendPath(p, sub):
        if p:
            paths.append(os.path.join(p, 'Tools', sub))
            paths.append(os.path.join(p, sub))
            paths.append(p)
    appendPath(defaultFilePath(), sub)
    appendPath(macroFilePath(), sub)
    appendPath(os.path.join(FreeCAD.getHomePath(), "Mod/Path/"), sub)
    return paths

def toolsUseLegacyTools():
    return preferences().GetBool(UseLegacyTools, True)

def toolsReallyUseLegacyTools():
    return toolsUseLegacyTools() or not experimentalFeaturesEnabled()

def toolsStoreAbsolutePaths():
    return preferences().GetBool(UseAbsoluteToolPaths, False)

def toolsOpenLastLibrary():
    return preferences().GetBool(OpenLastLibrary, False)

def setToolsSettings(legacy, relative, lastlibrary):
    pref = preferences()
    pref.SetBool(UseLegacyTools, legacy)
    pref.SetBool(UseAbsoluteToolPaths, relative)
    pref.SetBool(OpenLastLibrary, lastlibrary)

def defaultJobTemplate():
    template = preferences().GetString(DefaultJobTemplate)
    if 'xml' not in template:
        return template
    return ''

def setJobDefaults(fileName, jobTemplate, geometryTolerance, curveAccuracy):
    PathLog.track("(%s='%s', %s, %s, %s)" % (DefaultFilePath, fileName, jobTemplate, geometryTolerance, curveAccuracy))
    pref = preferences()
    pref.SetString(DefaultFilePath, fileName)
    pref.SetString(DefaultJobTemplate, jobTemplate)
    pref.SetFloat(GeometryTolerance, geometryTolerance)
    pref.SetFloat(LibAreaCurveAccuracy, curveAccuracy)

def postProcessorBlacklist():
    pref = preferences()
    blacklist = pref.GetString(PostProcessorBlacklist, "")
    if not blacklist:
        return []
    return eval(blacklist) # pylint: disable=eval-used

def setPostProcessorDefaults(processor, args, blacklist):
    pref = preferences()
    pref.SetString(PostProcessorDefault, processor)
    pref.SetString(PostProcessorDefaultArgs, args)
    pref.SetString(PostProcessorBlacklist, "%s" % (blacklist))

def setOutputFileDefaults(fileName, policy):
    pref = preferences()
    pref.SetString(PostProcessorOutputFile, fileName)
    pref.SetString(PostProcessorOutputPolicy, policy)

def defaultOutputFile():
    pref = preferences()
    return pref.GetString(PostProcessorOutputFile, "")

def defaultOutputPolicy():
    pref = preferences()
    return pref.GetString(PostProcessorOutputPolicy, "")

def defaultStockTemplate():
    return preferences().GetString(DefaultStockTemplate, "")
    
def setDefaultStockTemplate(template):
    preferences().SetString(DefaultStockTemplate, template)

def defaultTaskPanelLayout():
    return preferences().GetInt(DefaultTaskPanelLayout, 0)

def setDefaultTaskPanelLayout(style):
    preferences().SetInt(DefaultTaskPanelLayout, style)

def experimentalFeaturesEnabled():
    return preferences().GetBool(EnableExperimentalFeatures, False)

def lastPathToolBit():
    return preferences().GetString(LastPathToolBit, pathDefaultToolsPath('Bit'))
    
def setLastPathToolBit(path):
    return preferences().SetString(LastPathToolBit, path)

def lastPathToolLibrary():
    return preferences().GetString(LastPathToolLibrary, pathDefaultToolsPath('Library'))
    
def setLastPathToolLibrary(path):
    return preferences().SetString(LastPathToolLibrary, path)

def lastPathToolShape():
    return preferences().GetString(LastPathToolShape, pathDefaultToolsPath('Shape'))
    
def setLastPathToolShape(path):
    return preferences().SetString(LastPathToolShape, path)

def lastPathToolTable():
    return preferences().GetString(LastPathToolTable, "")
    
def setLastPathToolTable(table):
    return preferences().SetString(LastPathToolTable, table)