from __future__ import absolute_import
# Copyright (c) 2010-2019 openpyxl

"""
Enclosing chart object. The various chart types are actually child objects.
Will probably need to call this indirectly
"""

from openpyxl.compat import unicode

from openpyxl.descriptors.serialisable import Serialisable
from openpyxl.descriptors import (
    Bool,
    Float,
    Typed,
    MinMax,
    Integer,
    NoneSet,
    String,
    Alias,
    Sequence,
    Typed,
)
from openpyxl.descriptors.excel import (
    Percentage,
    ExtensionList,
    Relation
)
from openpyxl.descriptors.nested import (
    NestedBool,
    NestedNoneSet,
    NestedInteger,
    NestedString,
    NestedMinMax,
    NestedText,
)
from openpyxl.descriptors.sequence import NestedSequence
from openpyxl.xml.constants import CHART_NS

from openpyxl.drawing.colors import ColorMapping
from .text import Text, RichText
from .shapes import GraphicalProperties
from .legend import Legend
from .marker import PictureOptions, Marker
from .label import DataLabel
from ._3d import _3DBase, View3D
from .plotarea import PlotArea
from .title import Title
from .pivot import (
    PivotFormat,
    PivotSource,
)
from .print_settings import PrintSettings


class ChartContainer(Serialisable):

    tagname = "chart"

    title = Typed(expected_type=Title, allow_none=True)
    autoTitleDeleted = NestedBool(allow_none=True)
    pivotFmts = NestedSequence(expected_type=PivotFormat)
    view3D = _3DBase.view3D
    floor = _3DBase.floor
    sideWall = _3DBase.sideWall
    backWall = _3DBase.backWall
    plotArea = Typed(expected_type=PlotArea, )
    legend = Typed(expected_type=Legend, allow_none=True)
    plotVisOnly = NestedBool()
    dispBlanksAs = NestedNoneSet(values=(['span', 'gap', 'zero']))
    showDLblsOverMax = NestedBool(allow_none=True)
    extLst = Typed(expected_type=ExtensionList, allow_none=True)

    __elements__ = ('title', 'autoTitleDeleted', 'pivotFmts', 'view3D',
                    'floor', 'sideWall', 'backWall', 'plotArea', 'legend', 'plotVisOnly',
                    'dispBlanksAs', 'showDLblsOverMax')

    def __init__(self,
                 title=None,
                 autoTitleDeleted=None,
                 pivotFmts=(),
                 view3D=None,
                 floor=None,
                 sideWall=None,
                 backWall=None,
                 plotArea=None,
                 legend=None,
                 plotVisOnly=True,
                 dispBlanksAs="gap",
                 showDLblsOverMax=None,
                 extLst=None,
                ):
        self.title = title
        self.autoTitleDeleted = autoTitleDeleted
        self.pivotFmts = pivotFmts
        self.view3D = view3D
        self.floor = floor
        self.sideWall = sideWall
        self.backWall = backWall
        if plotArea is None:
            plotArea = PlotArea()
        self.plotArea = plotArea
        self.legend = legend
        self.plotVisOnly = plotVisOnly
        self.dispBlanksAs = dispBlanksAs
        self.showDLblsOverMax = showDLblsOverMax


class Protection(Serialisable):

    tagname = "protection"

    chartObject = NestedBool(allow_none=True)
    data = NestedBool(allow_none=True)
    formatting = NestedBool(allow_none=True)
    selection = NestedBool(allow_none=True)
    userInterface = NestedBool(allow_none=True)

    __elements__ = ("chartObject", "data", "formatting", "selection", "userInterface")

    def __init__(self,
                 chartObject=None,
                 data=None,
                 formatting=None,
                 selection=None,
                 userInterface=None,
                ):
        self.chartObject = chartObject
        self.data = data
        self.formatting = formatting
        self.selection = selection
        self.userInterface = userInterface


class ExternalData(Serialisable):

    tagname = "externalData"

    autoUpdate = NestedBool(allow_none=True)
    id = String() # Needs namespace

    def __init__(self,
                 autoUpdate=None,
                 id=None
                ):
        self.autoUpdate = autoUpdate
        self.id = id


class ChartSpace(Serialisable):

    tagname = "chartSpace"

    date1904 = NestedBool(allow_none=True)
    lang = NestedString(allow_none=True)
    roundedCorners = NestedBool(allow_none=True)
    style = NestedMinMax(allow_none=True, min=1, max=48)
    clrMapOvr = Typed(expected_type=ColorMapping, allow_none=True)
    pivotSource = Typed(expected_type=PivotSource, allow_none=True)
    protection = Typed(expected_type=Protection, allow_none=True)
    chart = Typed(expected_type=ChartContainer)
    spPr = Typed(expected_type=GraphicalProperties, allow_none=True)
    graphicalProperties = Alias("spPr")
    txPr = Typed(expected_type=RichText, allow_none=True)
    textProperties = Alias("txPr")
    externalData = Typed(expected_type=ExternalData, allow_none=True)
    printSettings = Typed(expected_type=PrintSettings, allow_none=True)
    userShapes = Relation()
    extLst = Typed(expected_type=ExtensionList, allow_none=True)

    __elements__ = ('date1904', 'lang', 'roundedCorners', 'style',
                    'clrMapOvr', 'pivotSource', 'protection', 'chart', 'spPr', 'txPr',
                    'externalData', 'printSettings', 'userShapes')

    def __init__(self,
                 date1904=None,
                 lang=None,
                 roundedCorners=None,
                 style=None,
                 clrMapOvr=None,
                 pivotSource=None,
                 protection=None,
                 chart=None,
                 spPr=None,
                 txPr=None,
                 externalData=None,
                 printSettings=None,
                 userShapes=None,
                 extLst=None,
                ):
        self.date1904 = date1904
        self.lang = lang
        self.roundedCorners = roundedCorners
        self.style = style
        self.clrMapOvr = clrMapOvr
        self.pivotSource = pivotSource
        self.protection = protection
        self.chart = chart
        self.spPr = spPr
        self.txPr = txPr
        self.externalData = externalData
        self.printSettings = printSettings
        self.userShapes = userShapes


    def to_tree(self, tagname=None, idx=None, namespace=None):
        tree = super(ChartSpace, self).to_tree()
        tree.set("xmlns", CHART_NS)
        return tree
