# Copyright (c) 2010-2019 openpyxl


from openpyxl.descriptors.serialisable import Serialisable
from openpyxl.descriptors import (
    Typed,
)
from openpyxl.descriptors.nested import (
    NestedText,
)

from openpyxl.xml.constants import XPROPS_NS


def get_version():
    from openpyxl import __version__

    VERSION = ".".join(__version__.split(".")[:2])
    return VERSION


class DigSigBlob(Serialisable):

    __elements__ = __attrs__ = ()


class VectorLpstr(Serialisable):

    __elements__ = __attrs__ = ()


class VectorVariant(Serialisable):

    __elements__ = __attrs__ = ()


class ExtendedProperties(Serialisable):

    """
    See 22.2

    Most of this is irrelevant
    """

    tagname = "Properties"

    Template = NestedText(expected_type=str, allow_none=True)
    Manager = NestedText(expected_type=str, allow_none=True)
    Company = NestedText(expected_type=str, allow_none=True)
    Pages = NestedText(expected_type=int, allow_none=True)
    Words = NestedText(expected_type=int,allow_none=True)
    Characters = NestedText(expected_type=int, allow_none=True)
    PresentationFormat = NestedText(expected_type=str, allow_none=True)
    Lines = NestedText(expected_type=int, allow_none=True)
    Paragraphs = NestedText(expected_type=int, allow_none=True)
    Slides = NestedText(expected_type=int, allow_none=True)
    Notes = NestedText(expected_type=int, allow_none=True)
    TotalTime = NestedText(expected_type=int, allow_none=True)
    HiddenSlides = NestedText(expected_type=int, allow_none=True)
    MMClips = NestedText(expected_type=int, allow_none=True)
    ScaleCrop = NestedText(expected_type=bool, allow_none=True)
    HeadingPairs = Typed(expected_type=VectorVariant, allow_none=True)
    TitlesOfParts = Typed(expected_type=VectorLpstr, allow_none=True)
    LinksUpToDate = NestedText(expected_type=bool, allow_none=True)
    CharactersWithSpaces = NestedText(expected_type=int, allow_none=True)
    SharedDoc = NestedText(expected_type=bool, allow_none=True)
    HyperlinkBase = NestedText(expected_type=str, allow_none=True)
    HLinks = Typed(expected_type=VectorVariant, allow_none=True)
    HyperlinksChanged = NestedText(expected_type=bool, allow_none=True)
    DigSig = Typed(expected_type=DigSigBlob, allow_none=True)
    Application = NestedText(expected_type=str, allow_none=True)
    AppVersion = NestedText(expected_type=str, allow_none=True)
    DocSecurity = NestedText(expected_type=int, allow_none=True)

    __elements__ = ('Application', 'AppVersion', 'DocSecurity', 'ScaleCrop',
                    'LinksUpToDate', 'SharedDoc', 'HyperlinksChanged')

    def __init__(self,
                 Template=None,
                 Manager=None,
                 Company=None,
                 Pages=None,
                 Words=None,
                 Characters=None,
                 PresentationFormat=None,
                 Lines=None,
                 Paragraphs=None,
                 Slides=None,
                 Notes=None,
                 TotalTime=None,
                 HiddenSlides=None,
                 MMClips=None,
                 ScaleCrop=None,
                 HeadingPairs=None,
                 TitlesOfParts=None,
                 LinksUpToDate=None,
                 CharactersWithSpaces=None,
                 SharedDoc=None,
                 HyperlinkBase=None,
                 HLinks=None,
                 HyperlinksChanged=None,
                 DigSig=None,
                 Application="Microsoft Excel",
                 AppVersion=None,
                 DocSecurity=None,
                ):
        self.Template = Template
        self.Manager = Manager
        self.Company = Company
        self.Pages = Pages
        self.Words = Words
        self.Characters = Characters
        self.PresentationFormat = PresentationFormat
        self.Lines = Lines
        self.Paragraphs = Paragraphs
        self.Slides = Slides
        self.Notes = Notes
        self.TotalTime = TotalTime
        self.HiddenSlides = HiddenSlides
        self.MMClips = MMClips
        self.ScaleCrop = ScaleCrop
        self.HeadingPairs = None
        self.TitlesOfParts = None
        self.LinksUpToDate = LinksUpToDate
        self.CharactersWithSpaces = CharactersWithSpaces
        self.SharedDoc = SharedDoc
        self.HyperlinkBase = HyperlinkBase
        self.HLinks = None
        self.HyperlinksChanged = HyperlinksChanged
        self.DigSig = None
        self.Application = Application
        if AppVersion is None:
            AppVersion = get_version()
        self.AppVersion = AppVersion
        self.DocSecurity = DocSecurity


    def to_tree(self):
        tree = super(ExtendedProperties, self).to_tree()
        tree.set("xmlns", XPROPS_NS)
        return tree
