# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:

# Copyright 2016-2017 Ryan Roden-Corrent (rcorre) <ryan@rcorre.net>
#
# 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/>.

"""Test the SQL API."""

import pytest
from qutebrowser.misc import sql


pytestmark = pytest.mark.usefixtures('init_sql')


def test_init():
    sql.SqlTable('Foo', ['name', 'val', 'lucky'])
    # should not error if table already exists
    sql.SqlTable('Foo', ['name', 'val', 'lucky'])


def test_insert(qtbot):
    table = sql.SqlTable('Foo', ['name', 'val', 'lucky'])
    with qtbot.waitSignal(table.changed):
        table.insert({'name': 'one', 'val': 1, 'lucky': False})
    with qtbot.waitSignal(table.changed):
        table.insert({'name': 'wan', 'val': 1, 'lucky': False})


def test_insert_replace(qtbot):
    table = sql.SqlTable('Foo', ['name', 'val', 'lucky'],
                         constraints={'name': 'PRIMARY KEY'})
    with qtbot.waitSignal(table.changed):
        table.insert({'name': 'one', 'val': 1, 'lucky': False}, replace=True)
    with qtbot.waitSignal(table.changed):
        table.insert({'name': 'one', 'val': 11, 'lucky': True}, replace=True)
    assert list(table) == [('one', 11, True)]

    with pytest.raises(sql.SqlError):
        table.insert({'name': 'one', 'val': 11, 'lucky': True}, replace=False)


def test_insert_batch(qtbot):
    table = sql.SqlTable('Foo', ['name', 'val', 'lucky'])

    with qtbot.waitSignal(table.changed):
        table.insert_batch({'name': ['one', 'nine', 'thirteen'],
                            'val': [1, 9, 13],
                            'lucky': [False, False, True]})

    assert list(table) == [('one', 1, False),
                           ('nine', 9, False),
                           ('thirteen', 13, True)]


def test_insert_batch_replace(qtbot):
    table = sql.SqlTable('Foo', ['name', 'val', 'lucky'],
                         constraints={'name': 'PRIMARY KEY'})

    with qtbot.waitSignal(table.changed):
        table.insert_batch({'name': ['one', 'nine', 'thirteen'],
                            'val': [1, 9, 13],
                            'lucky': [False, False, True]})

    with qtbot.waitSignal(table.changed):
        table.insert_batch({'name': ['one', 'nine'],
                            'val': [11, 19],
                            'lucky': [True, True]},
                           replace=True)

    assert list(table) == [('thirteen', 13, True),
                           ('one', 11, True),
                           ('nine', 19, True)]

    with pytest.raises(sql.SqlError):
        table.insert_batch({'name': ['one', 'nine'],
                            'val': [11, 19],
                            'lucky': [True, True]})


def test_iter():
    table = sql.SqlTable('Foo', ['name', 'val', 'lucky'])
    table.insert({'name': 'one', 'val': 1, 'lucky': False})
    table.insert({'name': 'nine', 'val': 9, 'lucky': False})
    table.insert({'name': 'thirteen', 'val': 13, 'lucky': True})
    assert list(table) == [('one', 1, False),
                           ('nine', 9, False),
                           ('thirteen', 13, True)]


@pytest.mark.parametrize('rows, sort_by, sort_order, limit, result', [
    ([{"a": 2, "b": 5}, {"a": 1, "b": 6}, {"a": 3, "b": 4}], 'a', 'asc', 5,
        [(1, 6), (2, 5), (3, 4)]),
    ([{"a": 2, "b": 5}, {"a": 1, "b": 6}, {"a": 3, "b": 4}], 'a', 'desc', 3,
        [(3, 4), (2, 5), (1, 6)]),
    ([{"a": 2, "b": 5}, {"a": 1, "b": 6}, {"a": 3, "b": 4}], 'b', 'desc', 2,
        [(1, 6), (2, 5)]),
    ([{"a": 2, "b": 5}, {"a": 1, "b": 6}, {"a": 3, "b": 4}], 'a', 'asc', -1,
        [(1, 6), (2, 5), (3, 4)]),
])
def test_select(rows, sort_by, sort_order, limit, result):
    table = sql.SqlTable('Foo', ['a', 'b'])
    for row in rows:
        table.insert(row)
    assert list(table.select(sort_by, sort_order, limit)) == result


def test_delete(qtbot):
    table = sql.SqlTable('Foo', ['name', 'val', 'lucky'])
    table.insert({'name': 'one', 'val': 1, 'lucky': False})
    table.insert({'name': 'nine', 'val': 9, 'lucky': False})
    table.insert({'name': 'thirteen', 'val': 13, 'lucky': True})
    with pytest.raises(KeyError):
        table.delete('name', 'nope')
    with qtbot.waitSignal(table.changed):
        table.delete('name', 'thirteen')
    assert list(table) == [('one', 1, False), ('nine', 9, False)]
    with qtbot.waitSignal(table.changed):
        table.delete('lucky', False)
    assert not list(table)


def test_len():
    table = sql.SqlTable('Foo', ['name', 'val', 'lucky'])
    assert len(table) == 0
    table.insert({'name': 'one', 'val': 1, 'lucky': False})
    assert len(table) == 1
    table.insert({'name': 'nine', 'val': 9, 'lucky': False})
    assert len(table) == 2
    table.insert({'name': 'thirteen', 'val': 13, 'lucky': True})
    assert len(table) == 3


def test_contains():
    table = sql.SqlTable('Foo', ['name', 'val', 'lucky'])
    table.insert({'name': 'one', 'val': 1, 'lucky': False})
    table.insert({'name': 'nine', 'val': 9, 'lucky': False})
    table.insert({'name': 'thirteen', 'val': 13, 'lucky': True})

    name_query = table.contains_query('name')
    val_query = table.contains_query('val')
    lucky_query = table.contains_query('lucky')

    assert name_query.run(val='one').value()
    assert name_query.run(val='thirteen').value()
    assert val_query.run(val=9).value()
    assert lucky_query.run(val=False).value()
    assert lucky_query.run(val=True).value()
    assert not name_query.run(val='oone').value()
    assert not name_query.run(val=1).value()
    assert not name_query.run(val='*').value()
    assert not val_query.run(val=10).value()


def test_delete_all(qtbot):
    table = sql.SqlTable('Foo', ['name', 'val', 'lucky'])
    table.insert({'name': 'one', 'val': 1, 'lucky': False})
    table.insert({'name': 'nine', 'val': 9, 'lucky': False})
    table.insert({'name': 'thirteen', 'val': 13, 'lucky': True})
    with qtbot.waitSignal(table.changed):
        table.delete_all()
    assert list(table) == []


def test_version():
    assert isinstance(sql.version(), str)