#***************************************************************************
#*                                                                         *
#*   Copyright (c) 2013-2015 - Juergen Riegel <FreeCAD@juergen-riegel.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                                                                   *
#*                                                                         *
#***************************************************************************

# here the usage description if you use this tool from the command line ("__main__")
CommandlineUsage = """Material - Tool to work with FreeCAD Material definition cards

Usage:
   Material [Options] card-file-name

Options:
 -c, --output-csv=file-name     write a comma separated grid with the material data

Exit:
 0      No Error or Warning found
 1      Argument error, wrong or less Arguments given

Tool to work with FreeCAD Material definition cards

Examples:

   Material  "StandardMaterial/Steel.FCMat"

Author:
  (c) 2013 Juergen Riegel
  mail@juergen-riegel.net
  Licence: LGPL

Version:
  0.1
"""


def importFCMat(fileName):
    "Read a FCMat file into a dictionary"
    try:
        import ConfigParser as configparser
    except ImportError:
        import configparser

    Config = configparser.RawConfigParser()
    Config.optionxform = str
    Config.read(fileName)
    dict1 = {}
    for section in Config.sections():
        options = Config.options(section)
        for option in options:
            dict1[option] = Config.get(section, option)

    return dict1


def exportFCMat(fileName, matDict):
    "Write a material dictionary to a FCMat file"
    try:
        import ConfigParser as configparser
    except ImportError:
        import configparser
    import string
    Config = configparser.RawConfigParser()

    # create groups
    for x in matDict.keys():
        grp, key = string.split(x, sep='_')
        if not Config.has_section(grp):
            Config.add_section(grp)

    # fill groups
    for x in matDict.keys():
        grp, key = string.split(x, sep='_')
        Config.set(grp, key, matDict[x])

    Preamble = "# This is a FreeCAD material-card file\n\n"
    # Writing our configuration file to 'example.cfg'
    with open(fileName, 'wb') as configfile:
        configfile.write(Preamble)
        Config.write(configfile)


def getMaterialAttributeStructure(withSpaces=None):
    # material properties
    # are there any more resources in FreeCAD source code where known material properties are defined except the material cards itself?
    materialPropertyGroups = (
        ("Meta", ("CardName", "AuthorAndLicense", "Source")),
        ("General", ("Name", "Father", "Description", "Density", "Vendor", "ProductURL", "SpecificPrice")),
        ("Mechanical", ("YoungsModulus", "PoissonRatio", "UltimateTensileStrength", "CompressiveStrength", "Elasticity", "FractureToughness")),
        ("Architectural", ("Model", "ExecutionInstructions", "FireResistanceClass", "StandardCode", "ThermalConductivity", "SoundTransmissionClass", "Color", "Finish", "UnitsPerQuantity", "EnvironmentalEfficiencyClass")),
        ("Rendering", ("DiffuseColor", "AmbientColor", "SpecularColor", "Shininess", "EmissiveColor", "Transparency", "VertexShader", "FragmentShader", "TexturePath", "TextureScaling")),
        ("Vector rendering", ("ViewColor", "ViewFillPattern", "SectionFillPattern", "ViewLinewidth", "SectionLinewidth")),
        ("User defined", ())
    )
    if withSpaces:
        # on attributes, add a space before a capital letter, will be used for better display in the ui
        import re
        newMatProp = []
        for group in materialPropertyGroups:
            newAttr = []
            for attr in group[1]:
                newAttr.append(re.sub(r"(\w)([A-Z])", r"\1 \2", attr))
            newMatProp.append([group[0], newAttr])
        materialPropertyGroups = newMatProp
    # print(materialPropertyGroups)
    return materialPropertyGroups


if __name__ == '__main__':
    import sys
    import getopt
    try:
        opts, args = getopt.getopt(sys.argv[1:], "c:", ["output-csv="])
    except getopt.GetoptError:
        # print help information and exit:
        sys.stderr.write(CommandlineUsage)
        sys.exit(1)

    # checking on the options
    for o, a in opts:
        if o in ("-c", "--output-csv"):
            print("writing file: " + a + "\n")
            OutPath = a

    # running through the files
    FileName = args[0]

    kv_map = importFCMat(FileName)
    for k in kv_map.keys():
        print(repr(k) + " : " + repr(kv_map[k]))
    sys.exit(0)  # no error
