# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
# Copyright 2017 Florian Bruhin (The Compiler) <mail@qutebrowser.org>

# This file is part of qutebrowser.
#
# qutebrowser is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# qutebrowser is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.

"""Tests for qutebrowser.config.configfiles."""

import sys

import pytest

from qutebrowser.config import configfiles
from qutebrowser.utils import objreg

from PyQt5.QtCore import QSettings


@pytest.mark.parametrize('old_data, insert, new_data', [
    (None, False, '[general]\n\n[geometry]\n\n'),
    ('[general]\nfooled = true', False, '[general]\n\n[geometry]\n\n'),
    ('[general]\nfoobar = 42', False,
     '[general]\nfoobar = 42\n\n[geometry]\n\n'),
    (None, True, '[general]\nnewval = 23\n\n[geometry]\n\n'),
])
def test_state_config(fake_save_manager, data_tmpdir,
                      old_data, insert, new_data):
    statefile = data_tmpdir / 'state'
    if old_data is not None:
        statefile.write_text(old_data, 'utf-8')

    state = configfiles.StateConfig()

    if insert:
        state['general']['newval'] = '23'
    # WORKAROUND for https://github.com/PyCQA/pylint/issues/574
    if 'foobar' in (old_data or ''):  # pylint: disable=superfluous-parens
        assert state['general']['foobar'] == '42'

    state._save()

    assert statefile.read_text('utf-8') == new_data


@pytest.mark.parametrize('old_config', [
    None,
    'global:\n  colors.hints.fg: magenta',
])
@pytest.mark.parametrize('insert', [True, False])
def test_yaml_config(fake_save_manager, config_tmpdir, old_config, insert):
    autoconfig = config_tmpdir / 'autoconfig.yml'
    if old_config is not None:
        autoconfig.write_text(old_config, 'utf-8')

    yaml = configfiles.YamlConfig()
    yaml.load()

    if insert:
        yaml.values['tabs.show'] = 'never'

    yaml._save()

    text = autoconfig.read_text('utf-8')
    lines = text.splitlines()
    print(lines)

    assert lines[0].startswith('# DO NOT edit this file by hand,')
    assert 'config_version: {}'.format(yaml.VERSION) in lines

    if old_config is None and not insert:
        assert 'global: {}' in lines
    else:
        assert 'global:' in lines

    # WORKAROUND for https://github.com/PyCQA/pylint/issues/574
    if 'magenta' in (old_config or ''):  # pylint: disable=superfluous-parens
        assert '  colors.hints.fg: magenta' in lines
    if insert:
        assert '  tabs.show: never' in lines


@pytest.fixture
def init_patch(qapp, fake_save_manager, config_tmpdir, data_tmpdir,
               config_stub):
    yield
    objreg.delete('state-config')
    objreg.delete('command-history')


def test_init(init_patch, config_tmpdir):
    configfiles.init(config=None)

    # Make sure qsettings land in a subdir
    if sys.platform == 'linux':
        settings = QSettings()
        settings.setValue("hello", "world")
        settings.sync()
        assert (config_tmpdir / 'qsettings').exists()

    # Lots of other stuff is tested in test_config.py in test_init