import pytest
import peewee
import sys
import os
from datetime import datetime as dt
from unittest.mock import MagicMock

import vorta
from vorta.models import (RepoModel, RepoPassword, BackupProfileModel, SourceFileModel,
                          SettingsModel, ArchiveModel, WifiSettingModel, EventLogModel, SchemaVersion)
from vorta.views.main_window import MainWindow

models = [RepoModel, RepoPassword, BackupProfileModel, SourceFileModel,
          SettingsModel, ArchiveModel, WifiSettingModel, EventLogModel, SchemaVersion]


def pytest_configure(config):
    sys._called_from_test = True
    pytest._wait_defaults = {'timeout': 20000}
    os.environ['LANG'] = 'en'  # Ensure we test an English UI


@pytest.fixture(scope='session')
def qapp(tmpdir_factory):
    # DB is required to init QApplication. New DB used for every test.
    tmp_db = tmpdir_factory.mktemp('Vorta').join('settings.sqlite')
    mock_db = peewee.SqliteDatabase(str(tmp_db))
    vorta.models.init_db(mock_db)

    from vorta.application import VortaApp
    VortaApp.set_borg_details_action = MagicMock()  # Can't use pytest-mock in session scope
    VortaApp.scheduler = MagicMock()

    qapp = VortaApp([])  # Only init QApplication once to avoid segfaults while testing.

    yield qapp
    qapp.quit()


@pytest.fixture(scope='function', autouse=True)
def init_db(qapp, tmpdir_factory):
    tmp_db = tmpdir_factory.mktemp('Vorta').join('settings.sqlite')
    mock_db = peewee.SqliteDatabase(str(tmp_db), pragmas={'journal_mode': 'wal', })
    vorta.models.init_db(mock_db)

    new_repo = RepoModel(url='i0fi93@i593.repo.borgbase.com:repo')
    new_repo.encryption = 'none'
    new_repo.save()

    profile = BackupProfileModel.get(id=1)
    profile.repo = new_repo.id
    profile.dont_run_on_metered_networks = False
    profile.save()

    test_archive = ArchiveModel(snapshot_id='99999', name='test-archive', time=dt(2000, 1, 1, 0, 0), repo=1)
    test_archive.save()

    test_archive1 = ArchiveModel(snapshot_id='99998', name='test-archive1', time=dt(2000, 1, 1, 0, 0), repo=1)
    test_archive1.save()

    source_dir = SourceFileModel(dir='/tmp/another', repo=new_repo, dir_size=100, dir_files_count=18, path_isdir=True)
    source_dir.save()

    qapp.main_window = MainWindow(qapp)  # Re-open main window to apply mock data in UI


@pytest.fixture(scope='function', autouse=True)
def cleanup(request, qapp, qtbot):
    """
    Cleanup after each test
    """
    def ensure_borg_thread_stopped():
        qapp.backup_cancelled_event.emit()
        qtbot.waitUntil(lambda: not vorta.borg.borg_thread.BorgThread.is_running())
    request.addfinalizer(ensure_borg_thread_stopped)


@pytest.fixture
def choose_file_dialog(*args):
    class MockFileDialog:
        def __init__(self, *args, **kwargs):
            pass

        def open(self, func):
            func()

        def selectedFiles(self):
            return ['/tmp']

    return MockFileDialog


@pytest.fixture
def borg_json_output():
    def _read_json(subcommand):
        stdout = open(f'tests/borg_json_output/{subcommand}_stdout.json')
        stderr = open(f'tests/borg_json_output/{subcommand}_stderr.json')
        return stdout, stderr
    return _read_json


@pytest.fixture
def rootdir():
    return os.path.dirname(os.path.abspath(__file__))