# encoding: utf-8

"""
Test suite for docx.dml.color module.
"""

from __future__ import (
    absolute_import, division, print_function, unicode_literals
)

from docx.enum.dml import MSO_COLOR_TYPE, MSO_THEME_COLOR
from docx.dml.color import ColorFormat
from docx.shared import RGBColor

from ..unitutil.cxml import element, xml

import pytest


class DescribeColorFormat(object):

    def it_knows_its_color_type(self, type_fixture):
        color_format, expected_value = type_fixture
        assert color_format.type == expected_value

    def it_knows_its_RGB_value(self, rgb_get_fixture):
        color_format, expected_value = rgb_get_fixture
        assert color_format.rgb == expected_value

    def it_can_change_its_RGB_value(self, rgb_set_fixture):
        color_format, new_value, expected_xml = rgb_set_fixture
        color_format.rgb = new_value
        assert color_format._element.xml == expected_xml

    def it_knows_its_theme_color(self, theme_color_get_fixture):
        color_format, expected_value = theme_color_get_fixture
        assert color_format.theme_color == expected_value

    def it_can_change_its_theme_color(self, theme_color_set_fixture):
        color_format, new_value, expected_xml = theme_color_set_fixture
        color_format.theme_color = new_value
        assert color_format._element.xml == expected_xml

    # fixtures ---------------------------------------------

    @pytest.fixture(params=[
        ('w:r',                                                  None),
        ('w:r/w:rPr',                                            None),
        ('w:r/w:rPr/w:color{w:val=auto}',                        None),
        ('w:r/w:rPr/w:color{w:val=4224FF}',                      '4224ff'),
        ('w:r/w:rPr/w:color{w:val=auto,w:themeColor=accent1}',   None),
        ('w:r/w:rPr/w:color{w:val=F00BA9,w:themeColor=accent1}', 'f00ba9'),
    ])
    def rgb_get_fixture(self, request):
        r_cxml, rgb = request.param
        color_format = ColorFormat(element(r_cxml))
        expected_value = None if rgb is None else RGBColor.from_string(rgb)
        return color_format, expected_value

    @pytest.fixture(params=[
        ('w:r', RGBColor(10, 20, 30), 'w:r/w:rPr/w:color{w:val=0A141E}'),
        ('w:r/w:rPr', RGBColor(1, 2, 3), 'w:r/w:rPr/w:color{w:val=010203}'),
        ('w:r/w:rPr/w:color{w:val=123abc}', RGBColor(42, 24, 99),
         'w:r/w:rPr/w:color{w:val=2A1863}'),
        ('w:r/w:rPr/w:color{w:val=auto}', RGBColor(16, 17, 18),
         'w:r/w:rPr/w:color{w:val=101112}'),
        ('w:r/w:rPr/w:color{w:val=234bcd,w:themeColor=dark1}',
         RGBColor(24, 42, 99), 'w:r/w:rPr/w:color{w:val=182A63}'),
        ('w:r/w:rPr/w:color{w:val=234bcd,w:themeColor=dark1}',
         None, 'w:r/w:rPr'),
        ('w:r', None, 'w:r'),
    ])
    def rgb_set_fixture(self, request):
        r_cxml, new_value, expected_cxml = request.param
        color_format = ColorFormat(element(r_cxml))
        expected_xml = xml(expected_cxml)
        return color_format, new_value, expected_xml

    @pytest.fixture(params=[
        ('w:r',                                                None),
        ('w:r/w:rPr',                                          None),
        ('w:r/w:rPr/w:color{w:val=auto}',                      None),
        ('w:r/w:rPr/w:color{w:val=4224FF}',                    None),
        ('w:r/w:rPr/w:color{w:themeColor=accent1}',            'ACCENT_1'),
        ('w:r/w:rPr/w:color{w:val=F00BA9,w:themeColor=dark1}', 'DARK_1'),
    ])
    def theme_color_get_fixture(self, request):
        r_cxml, value = request.param
        color_format = ColorFormat(element(r_cxml))
        expected_value = (
            None if value is None else getattr(MSO_THEME_COLOR, value)
        )
        return color_format, expected_value

    @pytest.fixture(params=[
        ('w:r', 'ACCENT_1',
         'w:r/w:rPr/w:color{w:val=000000,w:themeColor=accent1}'),
        ('w:r/w:rPr', 'ACCENT_2',
         'w:r/w:rPr/w:color{w:val=000000,w:themeColor=accent2}'),
        ('w:r/w:rPr/w:color{w:val=101112}', 'ACCENT_3',
         'w:r/w:rPr/w:color{w:val=101112,w:themeColor=accent3}'),
        ('w:r/w:rPr/w:color{w:val=234bcd,w:themeColor=dark1}', 'LIGHT_2',
         'w:r/w:rPr/w:color{w:val=234bcd,w:themeColor=light2}'),
        ('w:r/w:rPr/w:color{w:val=234bcd,w:themeColor=dark1}', None,
         'w:r/w:rPr'),
        ('w:r', None, 'w:r'),
    ])
    def theme_color_set_fixture(self, request):
        r_cxml, member, expected_cxml = request.param
        color_format = ColorFormat(element(r_cxml))
        new_value = (
            None if member is None else getattr(MSO_THEME_COLOR, member)
        )
        expected_xml = xml(expected_cxml)
        return color_format, new_value, expected_xml

    @pytest.fixture(params=[
        ('w:r',                                   None),
        ('w:r/w:rPr',                             None),
        ('w:r/w:rPr/w:color{w:val=auto}',         MSO_COLOR_TYPE.AUTO),
        ('w:r/w:rPr/w:color{w:val=4224FF}',       MSO_COLOR_TYPE.RGB),
        ('w:r/w:rPr/w:color{w:themeColor=dark1}', MSO_COLOR_TYPE.THEME),
        ('w:r/w:rPr/w:color{w:val=F00BA9,w:themeColor=accent1}',
         MSO_COLOR_TYPE.THEME),
    ])
    def type_fixture(self, request):
        r_cxml, expected_value = request.param
        color_format = ColorFormat(element(r_cxml))
        return color_format, expected_value