import logging
from collections import OrderedDict

from flexmock import flexmock

from borgmatic.borg import prune as module

from ..test_verbosity import insert_logging_mock


def insert_execute_command_mock(prune_command, output_log_level):
    flexmock(module.environment).should_receive('make_environment')
    flexmock(module).should_receive('execute_command').with_args(
        prune_command,
        output_log_level=output_log_level,
        borg_local_path=prune_command[0],
        extra_environment=None,
    ).once()


BASE_PRUNE_FLAGS = (('--keep-daily', '1'), ('--keep-weekly', '2'), ('--keep-monthly', '3'))


def test_make_prune_flags_returns_flags_from_config_plus_default_prefix_glob():
    retention_config = OrderedDict((('keep_daily', 1), ('keep_weekly', 2), ('keep_monthly', 3)))
    flexmock(module.feature).should_receive('available').and_return(True)

    result = module.make_prune_flags(retention_config, local_borg_version='1.2.3')

    assert tuple(result) == BASE_PRUNE_FLAGS + (('--match-archives', 'sh:{hostname}-*'),)


def test_make_prune_flags_accepts_prefix_with_placeholders():
    retention_config = OrderedDict((('keep_daily', 1), ('prefix', 'Documents_{hostname}-{now}')))
    flexmock(module.feature).should_receive('available').and_return(True)

    result = module.make_prune_flags(retention_config, local_borg_version='1.2.3')

    expected = (('--keep-daily', '1'), ('--match-archives', 'sh:Documents_{hostname}-{now}*'))

    assert tuple(result) == expected


def test_make_prune_flags_with_prefix_without_borg_features_uses_glob_archives():
    retention_config = OrderedDict((('keep_daily', 1), ('prefix', 'Documents_{hostname}-{now}')))
    flexmock(module.feature).should_receive('available').and_return(False)

    result = module.make_prune_flags(retention_config, local_borg_version='1.2.3')

    expected = (('--keep-daily', '1'), ('--glob-archives', 'Documents_{hostname}-{now}*'))

    assert tuple(result) == expected


def test_make_prune_flags_treats_empty_prefix_as_no_prefix():
    retention_config = OrderedDict((('keep_daily', 1), ('prefix', '')))
    flexmock(module.feature).should_receive('available').and_return(True)

    result = module.make_prune_flags(retention_config, local_borg_version='1.2.3')

    expected = (('--keep-daily', '1'),)

    assert tuple(result) == expected


def test_make_prune_flags_treats_none_prefix_as_no_prefix():
    retention_config = OrderedDict((('keep_daily', 1), ('prefix', None)))
    flexmock(module.feature).should_receive('available').and_return(True)

    result = module.make_prune_flags(retention_config, local_borg_version='1.2.3')

    expected = (('--keep-daily', '1'),)

    assert tuple(result) == expected


PRUNE_COMMAND = ('borg', 'prune', '--keep-daily', '1', '--keep-weekly', '2', '--keep-monthly', '3')


def test_prune_archives_calls_borg_with_parameters():
    flexmock(module).should_receive('make_prune_flags').and_return(BASE_PRUNE_FLAGS)
    flexmock(module.flags).should_receive('make_repository_flags').and_return(('repo',))
    insert_execute_command_mock(PRUNE_COMMAND + ('repo',), logging.INFO)

    module.prune_archives(
        dry_run=False,
        repository='repo',
        storage_config={},
        retention_config=flexmock(),
        local_borg_version='1.2.3',
    )


def test_prune_archives_with_log_info_calls_borg_with_info_parameter():
    flexmock(module).should_receive('make_prune_flags').and_return(BASE_PRUNE_FLAGS)
    flexmock(module.flags).should_receive('make_repository_flags').and_return(('repo',))
    insert_execute_command_mock(PRUNE_COMMAND + ('--info', 'repo'), logging.INFO)
    insert_logging_mock(logging.INFO)

    module.prune_archives(
        repository='repo',
        storage_config={},
        dry_run=False,
        retention_config=flexmock(),
        local_borg_version='1.2.3',
    )


def test_prune_archives_with_log_debug_calls_borg_with_debug_parameter():
    flexmock(module).should_receive('make_prune_flags').and_return(BASE_PRUNE_FLAGS)
    flexmock(module.flags).should_receive('make_repository_flags').and_return(('repo',))
    insert_execute_command_mock(PRUNE_COMMAND + ('--debug', '--show-rc', 'repo'), logging.INFO)
    insert_logging_mock(logging.DEBUG)

    module.prune_archives(
        repository='repo',
        storage_config={},
        dry_run=False,
        retention_config=flexmock(),
        local_borg_version='1.2.3',
    )


def test_prune_archives_with_dry_run_calls_borg_with_dry_run_parameter():
    flexmock(module).should_receive('make_prune_flags').and_return(BASE_PRUNE_FLAGS)
    flexmock(module.flags).should_receive('make_repository_flags').and_return(('repo',))
    insert_execute_command_mock(PRUNE_COMMAND + ('--dry-run', 'repo'), logging.INFO)

    module.prune_archives(
        repository='repo',
        storage_config={},
        dry_run=True,
        retention_config=flexmock(),
        local_borg_version='1.2.3',
    )


def test_prune_archives_with_local_path_calls_borg_via_local_path():
    flexmock(module).should_receive('make_prune_flags').and_return(BASE_PRUNE_FLAGS)
    flexmock(module.flags).should_receive('make_repository_flags').and_return(('repo',))
    insert_execute_command_mock(('borg1',) + PRUNE_COMMAND[1:] + ('repo',), logging.INFO)

    module.prune_archives(
        dry_run=False,
        repository='repo',
        storage_config={},
        retention_config=flexmock(),
        local_borg_version='1.2.3',
        local_path='borg1',
    )


def test_prune_archives_with_remote_path_calls_borg_with_remote_path_parameters():
    flexmock(module).should_receive('make_prune_flags').and_return(BASE_PRUNE_FLAGS)
    flexmock(module.flags).should_receive('make_repository_flags').and_return(('repo',))
    insert_execute_command_mock(PRUNE_COMMAND + ('--remote-path', 'borg1', 'repo'), logging.INFO)

    module.prune_archives(
        dry_run=False,
        repository='repo',
        storage_config={},
        retention_config=flexmock(),
        local_borg_version='1.2.3',
        remote_path='borg1',
    )


def test_prune_archives_with_stats_calls_borg_with_stats_parameter_and_warning_output_log_level():
    flexmock(module).should_receive('make_prune_flags').and_return(BASE_PRUNE_FLAGS)
    flexmock(module.flags).should_receive('make_repository_flags').and_return(('repo',))
    insert_execute_command_mock(PRUNE_COMMAND + ('--stats', 'repo'), logging.WARNING)

    module.prune_archives(
        dry_run=False,
        repository='repo',
        storage_config={},
        retention_config=flexmock(),
        local_borg_version='1.2.3',
        stats=True,
    )


def test_prune_archives_with_stats_and_log_info_calls_borg_with_stats_parameter_and_info_output_log_level():
    flexmock(module).should_receive('make_prune_flags').and_return(BASE_PRUNE_FLAGS)
    flexmock(module.flags).should_receive('make_repository_flags').and_return(('repo',))
    insert_logging_mock(logging.INFO)
    insert_execute_command_mock(PRUNE_COMMAND + ('--stats', '--info', 'repo'), logging.INFO)

    module.prune_archives(
        dry_run=False,
        repository='repo',
        storage_config={},
        retention_config=flexmock(),
        local_borg_version='1.2.3',
        stats=True,
    )


def test_prune_archives_with_files_calls_borg_with_list_parameter_and_warning_output_log_level():
    flexmock(module).should_receive('make_prune_flags').and_return(BASE_PRUNE_FLAGS)
    flexmock(module.flags).should_receive('make_repository_flags').and_return(('repo',))
    insert_execute_command_mock(PRUNE_COMMAND + ('--list', 'repo'), logging.WARNING)

    module.prune_archives(
        dry_run=False,
        repository='repo',
        storage_config={},
        retention_config=flexmock(),
        local_borg_version='1.2.3',
        list_archives=True,
    )


def test_prune_archives_with_files_and_log_info_calls_borg_with_list_parameter_and_info_output_log_level():
    flexmock(module).should_receive('make_prune_flags').and_return(BASE_PRUNE_FLAGS)
    flexmock(module.flags).should_receive('make_repository_flags').and_return(('repo',))
    insert_logging_mock(logging.INFO)
    insert_execute_command_mock(PRUNE_COMMAND + ('--info', '--list', 'repo'), logging.INFO)

    module.prune_archives(
        dry_run=False,
        repository='repo',
        storage_config={},
        retention_config=flexmock(),
        local_borg_version='1.2.3',
        list_archives=True,
    )


def test_prune_archives_with_umask_calls_borg_with_umask_parameters():
    storage_config = {'umask': '077'}
    flexmock(module).should_receive('make_prune_flags').and_return(BASE_PRUNE_FLAGS)
    flexmock(module.flags).should_receive('make_repository_flags').and_return(('repo',))
    insert_execute_command_mock(PRUNE_COMMAND + ('--umask', '077', 'repo'), logging.INFO)

    module.prune_archives(
        dry_run=False,
        repository='repo',
        storage_config=storage_config,
        retention_config=flexmock(),
        local_borg_version='1.2.3',
    )


def test_prune_archives_with_lock_wait_calls_borg_with_lock_wait_parameters():
    storage_config = {'lock_wait': 5}
    flexmock(module).should_receive('make_prune_flags').and_return(BASE_PRUNE_FLAGS)
    flexmock(module.flags).should_receive('make_repository_flags').and_return(('repo',))
    insert_execute_command_mock(PRUNE_COMMAND + ('--lock-wait', '5', 'repo'), logging.INFO)

    module.prune_archives(
        dry_run=False,
        repository='repo',
        storage_config=storage_config,
        retention_config=flexmock(),
        local_borg_version='1.2.3',
    )


def test_prune_archives_with_extra_borg_options_calls_borg_with_extra_options():
    flexmock(module).should_receive('make_prune_flags').and_return(BASE_PRUNE_FLAGS)
    flexmock(module.flags).should_receive('make_repository_flags').and_return(('repo',))
    insert_execute_command_mock(PRUNE_COMMAND + ('--extra', '--options', 'repo'), logging.INFO)

    module.prune_archives(
        dry_run=False,
        repository='repo',
        storage_config={'extra_borg_options': {'prune': '--extra --options'}},
        retention_config=flexmock(),
        local_borg_version='1.2.3',
    )