import os

import pytest

from jedi.api.project import Project
from test.helpers import root_dir


@pytest.mark.parametrize('way', ['direct', 'indirect'])
@pytest.mark.parametrize(
    'kwargs', [
        dict(only_stubs=False, prefer_stubs=False),
        dict(only_stubs=False, prefer_stubs=True),
        dict(only_stubs=True, prefer_stubs=False),
    ]
)
@pytest.mark.parametrize(
    ('code', 'full_name', 'has_stub', 'has_python'), [
        ['import os; os.walk', 'os.walk', True, True],
        ['from collections import Counter', 'collections.Counter', True, True],
        ['from collections', 'collections', True, True],
        ['from collections import Counter; Counter', 'collections.Counter', True, True],
        ['from collections import Counter; Counter()', 'collections.Counter', True, True],
        ['from collections import Counter; Counter.most_common',
         'collections.Counter.most_common', True, True],

        ['from keyword import kwlist; kwlist', 'typing.Sequence', True, True],
        #['from keyword import kwlist', 'typing.Sequence', True, True],

        ['import with_stub', 'with_stub', True, True],
        ['import with_stub', 'with_stub', True, True],
        ['import with_stub_folder.python_only', 'with_stub_folder.python_only', False, True],
        ['import stub_only', 'stub_only', True, False],
    ])
def test_infer_and_goto(Script, code, full_name, has_stub, has_python, way, kwargs):
    project = Project(os.path.join(root_dir, 'test', 'completion', 'stub_folder'))
    s = Script(code, _project=project)
    if way == 'direct':
        defs = s.goto_definitions(**kwargs)
    else:
        goto_defs = s.goto_assignments()
        defs = [d for goto_def in goto_defs for d in goto_def.infer(**kwargs)]

    only_stubs = kwargs['only_stubs']
    prefer_stubs = kwargs['prefer_stubs']
    if not has_stub and only_stubs:
        assert not defs
    else:
        assert defs

    for d in defs:
        if prefer_stubs and has_stub:
            assert d.is_stub()
        if only_stubs:
            assert d.is_stub()
        assert d.full_name == full_name