#########################################################################
# MacSyFinder - Detection of macromolecular systems in protein dataset  #
#               using systems modelling and similarity search.          #
# Authors: Sophie Abby, Bertrand Neron                                  #
# Copyright (c) 2014-2022  Institut Pasteur (Paris) and CNRS.           #
# See the COPYRIGHT file for details                                    #
#                                                                       #
# This file is part of MacSyFinder package.                             #
#                                                                       #
# MacSyFinder 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.                                   #
#                                                                       #
# MacSyFinder 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 MacSyFinder (COPYING).                                     #
# If not, see <https://www.gnu.org/licenses/>.                          #
#########################################################################

import os
import logging
import shutil
import tempfile

from time import strftime

from macsypy.config import MacsyDefaults

from tests import MacsyTest


class TestMacsyDefaults(MacsyTest):

    def setUp(self):

        self.defaults = {'cfg_file': None,
                         'coverage_profile': 0.5,
                         'e_value_search': 0.1,
                         'no_cut_ga': False,
                         'db_type': None,
                         'hmmer': 'hmmsearch',
                         'i_evalue_sel': 0.001,
                         'idx': False,
                         'index_dir': None,
                         'inter_gene_max_space': None,
                         'log_file': 'macsyfinder.log',
                         'log_level': logging.INFO,
                         'max_nb_genes': None,
                         'min_genes_required': None,
                         'min_mandatory_genes_required': None,
                         'models': [],
                         'models_dir': None,
                         'multi_loci': set(),
                         'mute': False,
                         'out_dir': None,
                         'previous_run': None,
                         'profile_suffix': '.hmm',
                         'quiet': 0,
                         'relative_path': False,
                         'replicon_topology': 'circular',
                         'res_extract_suffix': '.res_hmm_extract',
                         'res_search_dir': ".",
                         'res_search_suffix': '.search_hmm.out',
                         'sequence_db': None,
                         'topology_file': None,
                         'verbosity': 0,
                         'worker': 1,
                         'mandatory_weight': 1.0,
                         'accessory_weight': .5,
                         'neutral_weight': 0.0,
                         'exchangeable_weight': .8,
                         'itself_weight': 1.0,
                         'redundancy_penalty': 1.5,
                         'out_of_cluster_weight': 0.7
                         }


    def test_MacsyDefaults_virtual_env(self):
        virtual_env = os.environ.get('VIRTUAL_ENV')

        with tempfile.TemporaryDirectory() as fake_virtual_env:
            os.environ['VIRTUAL_ENV'] = fake_virtual_env
            system_models_dir = os.path.join(fake_virtual_env, 'share', 'macsyfinder', 'models')
            os.makedirs(system_models_dir)
            self.defaults['system_models_dir'] = [path for path in (system_models_dir,
                                                                    os.path.join(os.path.expanduser('~'),
                                                                                 '.macsyfinder', 'models'))
                                                  if os.path.exists(path)]
            try:
                defaults = MacsyDefaults()
                self.maxDiff = None
                self.assertDictEqual(defaults, self.defaults)

                new_defaults = {k: v for k, v in self.defaults.items()}
                new_defaults['previous_run'] = True
                new_defaults['worker'] = 5
                defaults = MacsyDefaults(previous_run=True, worker=5)
                self.assertDictEqual(defaults, new_defaults)
            finally:
                if virtual_env:
                    os.environ['VIRTUAL_ENV'] = virtual_env


    def test_MacsyDefaults_no_virtual_env(self):

        virtual_env = os.environ.get('VIRTUAL_ENV')
        common_path = os.path.join('share', 'macsyfinder', 'models')
        prefixes = ('/', os.path.join('/', 'usr', 'local'))
        system_models_dir = [os.path.join(root, common_path) for root in prefixes]
        system_models_dir.append(os.path.join(os.path.expanduser('~'), '.macsyfinder', 'models'))
        self.defaults['system_models_dir'] = [path for path in system_models_dir if os.path.exists(path)]
        if virtual_env:
            del os.environ['VIRTUAL_ENV']
        try:
            defaults = MacsyDefaults()
            self.maxDiff = None
            self.assertDictEqual(defaults, self.defaults)

            new_defaults = {k: v for k, v in self.defaults.items()}
            new_defaults['previous_run'] = True
            new_defaults['worker'] = 5
            defaults = MacsyDefaults(previous_run=True, worker=5)
            self.assertDictEqual(defaults, new_defaults)
        finally:
            if virtual_env:
                os.environ['VIRTUAL_ENV'] = virtual_env