# encoding: utf-8

"""
Unit test suite for the docx.opc.coreprops module
"""

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

import pytest

from datetime import datetime

from docx.opc.coreprops import CoreProperties
from docx.oxml import parse_xml


class DescribeCoreProperties(object):

    def it_knows_the_string_property_values(self, text_prop_get_fixture):
        core_properties, prop_name, expected_value = text_prop_get_fixture
        actual_value = getattr(core_properties, prop_name)
        assert actual_value == expected_value

    def it_can_change_the_string_property_values(self, text_prop_set_fixture):
        core_properties, prop_name, value, expected_xml = text_prop_set_fixture
        setattr(core_properties, prop_name, value)
        assert core_properties._element.xml == expected_xml

    def it_knows_the_date_property_values(self, date_prop_get_fixture):
        core_properties, prop_name, expected_datetime = date_prop_get_fixture
        actual_datetime = getattr(core_properties, prop_name)
        assert actual_datetime == expected_datetime

    def it_can_change_the_date_property_values(self, date_prop_set_fixture):
        core_properties, prop_name, value, expected_xml = (
            date_prop_set_fixture
        )
        setattr(core_properties, prop_name, value)
        assert core_properties._element.xml == expected_xml

    def it_knows_the_revision_number(self, revision_get_fixture):
        core_properties, expected_revision = revision_get_fixture
        assert core_properties.revision == expected_revision

    def it_can_change_the_revision_number(self, revision_set_fixture):
        core_properties, revision, expected_xml = revision_set_fixture
        core_properties.revision = revision
        assert core_properties._element.xml == expected_xml

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

    @pytest.fixture(params=[
        ('created',      datetime(2012, 11, 17, 16, 37, 40)),
        ('last_printed', datetime(2014,  6,  4,  4, 28)),
        ('modified',     None),
    ])
    def date_prop_get_fixture(self, request, core_properties):
        prop_name, expected_datetime = request.param
        return core_properties, prop_name, expected_datetime

    @pytest.fixture(params=[
        ('created', 'dcterms:created', datetime(2001, 2, 3, 4, 5),
         '2001-02-03T04:05:00Z', ' xsi:type="dcterms:W3CDTF"'),
        ('last_printed', 'cp:lastPrinted', datetime(2014, 6, 4, 4),
         '2014-06-04T04:00:00Z', ''),
        ('modified', 'dcterms:modified', datetime(2005, 4, 3, 2, 1),
         '2005-04-03T02:01:00Z', ' xsi:type="dcterms:W3CDTF"'),
    ])
    def date_prop_set_fixture(self, request):
        prop_name, tagname, value, str_val, attrs = request.param
        coreProperties = self.coreProperties(None, None)
        core_properties = CoreProperties(parse_xml(coreProperties))
        expected_xml = self.coreProperties(tagname, str_val, attrs)
        return core_properties, prop_name, value, expected_xml

    @pytest.fixture(params=[
        ('42', 42), (None, 0), ('foobar', 0), ('-17', 0), ('32.7', 0)
    ])
    def revision_get_fixture(self, request):
        str_val, expected_revision = request.param
        tagname = '' if str_val is None else 'cp:revision'
        coreProperties = self.coreProperties(tagname, str_val)
        core_properties = CoreProperties(parse_xml(coreProperties))
        return core_properties, expected_revision

    @pytest.fixture(params=[
        (42, '42'),
    ])
    def revision_set_fixture(self, request):
        value, str_val = request.param
        coreProperties = self.coreProperties(None, None)
        core_properties = CoreProperties(parse_xml(coreProperties))
        expected_xml = self.coreProperties('cp:revision', str_val)
        return core_properties, value, expected_xml

    @pytest.fixture(params=[
        ('author',           'python-pptx'),
        ('category',         ''),
        ('comments',         ''),
        ('content_status',   'DRAFT'),
        ('identifier',       'GXS 10.2.1ab'),
        ('keywords',         'foo bar baz'),
        ('language',         'US-EN'),
        ('last_modified_by', 'Steve Canny'),
        ('subject',          'Spam'),
        ('title',            'Presentation'),
        ('version',          '1.2.88'),
    ])
    def text_prop_get_fixture(self, request, core_properties):
        prop_name, expected_value = request.param
        return core_properties, prop_name, expected_value

    @pytest.fixture(params=[
        ('author',           'dc:creator',        'scanny'),
        ('category',         'cp:category',       'silly stories'),
        ('comments',         'dc:description',    'Bar foo to you'),
        ('content_status',   'cp:contentStatus',  'FINAL'),
        ('identifier',       'dc:identifier',     'GT 5.2.xab'),
        ('keywords',         'cp:keywords',       'dog cat moo'),
        ('language',         'dc:language',       'GB-EN'),
        ('last_modified_by', 'cp:lastModifiedBy', 'Billy Bob'),
        ('subject',          'dc:subject',        'Eggs'),
        ('title',            'dc:title',          'Dissertation'),
        ('version',          'cp:version',        '81.2.8'),
    ])
    def text_prop_set_fixture(self, request):
        prop_name, tagname, value = request.param
        coreProperties = self.coreProperties(None, None)
        core_properties = CoreProperties(parse_xml(coreProperties))
        expected_xml = self.coreProperties(tagname, value)
        return core_properties, prop_name, value, expected_xml

    # fixture components ---------------------------------------------

    def coreProperties(self, tagname, str_val, attrs=''):
        tmpl = (
            '<cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/'
            'package/2006/metadata/core-properties" xmlns:dc="http://purl.or'
            'g/dc/elements/1.1/" xmlns:dcmitype="http://purl.org/dc/dcmitype'
            '/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="http://'
            'www.w3.org/2001/XMLSchema-instance">%s</cp:coreProperties>\n'
        )
        if not tagname:
            child_element = ''
        elif not str_val:
            child_element = '\n  <%s%s/>\n' % (tagname, attrs)
        else:
            child_element = (
                '\n  <%s%s>%s</%s>\n' % (tagname, attrs, str_val, tagname)
            )
        return tmpl % child_element

    @pytest.fixture
    def core_properties(self):
        element = parse_xml(
            b'<?xml version=\'1.0\' encoding=\'UTF-8\' standalone=\'yes\'?>'
            b'\n<cp:coreProperties xmlns:cp="http://schemas.openxmlformats.o'
            b'rg/package/2006/metadata/core-properties" xmlns:dc="http://pur'
            b'l.org/dc/elements/1.1/" xmlns:dcmitype="http://purl.org/dc/dcm'
            b'itype/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="h'
            b'ttp://www.w3.org/2001/XMLSchema-instance">\n'
            b'  <cp:contentStatus>DRAFT</cp:contentStatus>\n'
            b'  <dc:creator>python-pptx</dc:creator>\n'
            b'  <dcterms:created xsi:type="dcterms:W3CDTF">2012-11-17T11:07:'
            b'40-05:30</dcterms:created>\n'
            b'  <dc:description/>\n'
            b'  <dc:identifier>GXS 10.2.1ab</dc:identifier>\n'
            b'  <dc:language>US-EN</dc:language>\n'
            b'  <cp:lastPrinted>2014-06-04T04:28:00Z</cp:lastPrinted>\n'
            b'  <cp:keywords>foo bar baz</cp:keywords>\n'
            b'  <cp:lastModifiedBy>Steve Canny</cp:lastModifiedBy>\n'
            b'  <cp:revision>4</cp:revision>\n'
            b'  <dc:subject>Spam</dc:subject>\n'
            b'  <dc:title>Presentation</dc:title>\n'
            b'  <cp:version>1.2.88</cp:version>\n'
            b'</cp:coreProperties>\n'
        )
        return CoreProperties(element)
