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

import pytest
from peewee import SqliteDatabase

import vorta
import vorta.application
import vorta.borg.jobs_manager
from vorta.store.models import (ArchiveModel, BackupProfileModel,
                                EventLogModel, RepoModel, RepoPassword,
                                SchemaVersion, SettingsModel, SourceFileModel,
                                WifiSettingModel)
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 = SqliteDatabase(str(tmp_db))
    vorta.store.connection.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
    mock_db.close()
    qapp.quit()


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

    default_profile = BackupProfileModel(name='Default')
    default_profile.save()

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

    default_profile.repo = new_repo.id
    default_profile.dont_run_on_metered_networks = False
    default_profile.validation_on = False
    default_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.deleteLater()
    del qapp.main_window
    qapp.main_window = MainWindow(qapp)  # Re-open main window to apply mock data in UI

    yield

    qapp.jobs_manager.cancel_all_jobs()
    qapp.backup_finished_event.disconnect()
    qapp.scheduler.schedule_changed.disconnect()
    qtbot.waitUntil(lambda: not qapp.jobs_manager.is_worker_running(), **pytest._wait_defaults)
    mock_db.close()


@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__))
