"""Test the sphinx.environment.adapters.indexentries."""

import pytest

from sphinx.environment.adapters.indexentries import IndexEntries
from sphinx.testing import restructuredtext


@pytest.mark.sphinx('dummy', freshenv=True)
def test_create_single_index(app):
    text = (".. index:: docutils\n"
            ".. index:: Python\n"
            ".. index:: pip; install\n"
            ".. index:: pip; upgrade\n"
            ".. index:: Sphinx\n"
            ".. index:: Ель\n"
            ".. index:: ёлка\n"
            ".. index:: \N{RIGHT-TO-LEFT MARK}\u05e2\u05d1\u05e8\u05d9\u05ea\N{LEFT-TO-RIGHT MARK}\n"
            ".. index:: 9-symbol\n"
            ".. index:: &-symbol\n"
            ".. index:: £100\n")
    restructuredtext.parse(app, text)
    index = IndexEntries(app.env).create_index(app.builder)
    assert len(index) == 6
    assert index[0] == ('Symbols', [('&-symbol', ([('', '#index-9')], [], None)),
                                    ('9-symbol', ([('', '#index-8')], [], None)),
                                    ('£100', ([('', '#index-10')], [], None))])
    assert index[1] == ('D', [('docutils', ([('', '#index-0')], [], None))])
    assert index[2] == ('P', [('pip', ([], [('install', [('', '#index-2')]),
                                            ('upgrade', [('', '#index-3')])], None)),
                              ('Python', ([('', '#index-1')], [], None))])
    assert index[3] == ('S', [('Sphinx', ([('', '#index-4')], [], None))])
    assert index[4] == ('Е',
                        [('ёлка', ([('', '#index-6')], [], None)),
                         ('Ель', ([('', '#index-5')], [], None))])
    # Here the word starts with U+200F RIGHT-TO-LEFT MARK, which should be
    # ignored when getting the first letter.
    assert index[5] == ('\u05e2', [(
        '\N{RIGHT-TO-LEFT MARK}\u05e2\u05d1\u05e8\u05d9\u05ea\N{LEFT-TO-RIGHT MARK}',
        ([('', '#index-7')], [], None),
    )])


@pytest.mark.sphinx('dummy', freshenv=True)
def test_create_pair_index(app):
    text = (".. index:: pair: docutils; reStructuredText\n"
            ".. index:: pair: Python; interpreter\n"
            ".. index:: pair: Sphinx; documentation tool\n"
            ".. index:: pair: Sphinx; :+1:\n"
            ".. index:: pair: Sphinx; Ель\n"
            ".. index:: pair: Sphinx; ёлка\n")
    restructuredtext.parse(app, text)
    index = IndexEntries(app.env).create_index(app.builder)
    assert len(index) == 7
    assert index[0] == ('Symbols', [(':+1:', ([], [('Sphinx', [('', '#index-3')])], None))])
    assert index[1] == ('D',
                        [('documentation tool', ([], [('Sphinx', [('', '#index-2')])], None)),
                         ('docutils', ([], [('reStructuredText', [('', '#index-0')])], None))])
    assert index[2] == ('I', [('interpreter', ([], [('Python', [('', '#index-1')])], None))])
    assert index[3] == ('P', [('Python', ([], [('interpreter', [('', '#index-1')])], None))])
    assert index[4] == ('R',
                        [('reStructuredText', ([], [('docutils', [('', '#index-0')])], None))])
    assert index[5] == ('S',
                        [('Sphinx', ([],
                                     [(':+1:', [('', '#index-3')]),
                                      ('documentation tool', [('', '#index-2')]),
                                      ('ёлка', [('', '#index-5')]),
                                      ('Ель', [('', '#index-4')])],
                                     None))])
    assert index[6] == ('Е',
                        [('ёлка', ([], [('Sphinx', [('', '#index-5')])], None)),
                         ('Ель', ([], [('Sphinx', [('', '#index-4')])], None))])


@pytest.mark.sphinx('dummy', freshenv=True)
def test_create_triple_index(app):
    text = (".. index:: triple: foo; bar; baz\n"
            ".. index:: triple: Python; Sphinx; reST\n")
    restructuredtext.parse(app, text)
    index = IndexEntries(app.env).create_index(app.builder)
    assert len(index) == 5
    assert index[0] == ('B', [('bar', ([], [('baz, foo', [('', '#index-0')])], None)),
                              ('baz', ([], [('foo bar', [('', '#index-0')])], None))])
    assert index[1] == ('F', [('foo', ([], [('bar baz', [('', '#index-0')])], None))])
    assert index[2] == ('P', [('Python', ([], [('Sphinx reST', [('', '#index-1')])], None))])
    assert index[3] == ('R', [('reST', ([], [('Python Sphinx', [('', '#index-1')])], None))])
    assert index[4] == ('S', [('Sphinx', ([], [('reST, Python', [('', '#index-1')])], None))])


@pytest.mark.sphinx('dummy', freshenv=True)
def test_create_see_index(app):
    text = (".. index:: see: docutils; reStructuredText\n"
            ".. index:: see: Python; interpreter\n"
            ".. index:: see: Sphinx; documentation tool\n")
    restructuredtext.parse(app, text)
    index = IndexEntries(app.env).create_index(app.builder)
    assert len(index) == 3
    assert index[0] == ('D', [('docutils', ([], [('see reStructuredText', [])], None))])
    assert index[1] == ('P', [('Python', ([], [('see interpreter', [])], None))])
    assert index[2] == ('S', [('Sphinx', ([], [('see documentation tool', [])], None))])


@pytest.mark.sphinx('dummy', freshenv=True)
def test_create_seealso_index(app):
    text = (".. index:: seealso: docutils; reStructuredText\n"
            ".. index:: seealso: Python; interpreter\n"
            ".. index:: seealso: Sphinx; documentation tool\n")
    restructuredtext.parse(app, text)
    index = IndexEntries(app.env).create_index(app.builder)
    assert len(index) == 3
    assert index[0] == ('D', [('docutils', ([], [('see also reStructuredText', [])], None))])
    assert index[1] == ('P', [('Python', ([], [('see also interpreter', [])], None))])
    assert index[2] == ('S', [('Sphinx', ([], [('see also documentation tool', [])], None))])


@pytest.mark.sphinx('dummy', freshenv=True)
def test_create_main_index(app):
    text = (".. index:: !docutils\n"
            ".. index:: docutils\n"
            ".. index:: pip; install\n"
            ".. index:: !pip; install\n")
    restructuredtext.parse(app, text)
    index = IndexEntries(app.env).create_index(app.builder)
    assert len(index) == 2
    assert index[0] == ('D', [('docutils', ([('main', '#index-0'),
                                             ('', '#index-1')], [], None))])
    assert index[1] == ('P', [('pip', ([], [('install', [('main', '#index-3'),
                                                         ('', '#index-2')])], None))])


@pytest.mark.sphinx('dummy', freshenv=True)
def test_create_index_with_name(app):
    text = (".. index:: single: docutils\n"
            "   :name: ref1\n"
            ".. index:: single: Python\n"
            "   :name: ref2\n"
            ".. index:: Sphinx\n")
    restructuredtext.parse(app, text)
    index = IndexEntries(app.env).create_index(app.builder)

    # check index is created correctly
    assert len(index) == 3
    assert index[0] == ('D', [('docutils', ([('', '#ref1')], [], None))])
    assert index[1] == ('P', [('Python', ([('', '#ref2')], [], None))])
    assert index[2] == ('S', [('Sphinx', ([('', '#index-0')], [], None))])

    # check the reference labels are created correctly
    std = app.env.get_domain('std')
    assert std.anonlabels['ref1'] == ('index', 'ref1')
    assert std.anonlabels['ref2'] == ('index', 'ref2')


@pytest.mark.sphinx('dummy', freshenv=True)
def test_create_index_by_key(app):
    # At present, only glossary directive is able to create index key
    text = (".. glossary::\n"
            "\n"
            "   docutils\n"
            "   Python\n"
            "   スフィンクス : ス\n")
    restructuredtext.parse(app, text)
    index = IndexEntries(app.env).create_index(app.builder)
    assert len(index) == 3
    assert index[0] == ('D', [('docutils', ([('main', '#term-docutils')], [], None))])
    assert index[1] == ('P', [('Python', ([('main', '#term-Python')], [], None))])
    assert index[2] == ('ス', [('スフィンクス', ([('main', '#term-0')], [], 'ス'))])