#!/usr/bin/python3
# -*- coding: utf-8 -*-
#
# create certificate (use for test)
#    Copyright (C) 2017  AleaJactaEst
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program 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 Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.

import unittest
import tempfile
import os
from unittest.mock import patch


try:
    import pymanager.password as Password
except ImportError:
    import sys
    sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
    import pymanager.password as Password


class TestPassword(unittest.TestCase):
    def setUp(self):
        pass

    def test_init_without_password_but_send(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()
        with self.assertRaises(Exception):
            password = Password.PasswordFile(pwdfile.name, False, False, 'username', 'password')
            password.verify()

    def test_init_missing_password(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()
        with self.assertRaises(Exception):
            password = Password.PasswordFile(pwdfile.name, False, True, 'username', None)
            password.verify()

    def test_init_without_password(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()
        password = Password.PasswordFile(pwdfile.name, False, False, 'username', None)

    def test_init_create_file(self):
        tmpDir = tempfile.mkdtemp(prefix='password-')
        pwdfile = os.path.join(tmpDir,  'temp')
        password = Password.PasswordFile(pwdfile , True, True, 'username', 'password')

    def test_init_create_file_impossible(self):
        tmpDir = tempfile.mkdtemp(prefix='password-')
        pwdfile = os.path.join('not', 'exist', 'directory', 'temp')
        with self.assertRaises(FileNotFoundError):
            password = Password.PasswordFile(pwdfile , True, True, 'username', 'password')

    def test_init_create_file_impossible(self):
        tmpDir = tempfile.mkdtemp(prefix='password-')
        pwdfile = os.path.join('not', 'exist', 'directory', 'temp')
        with self.assertRaises(Exception):
            password = Password.PasswordFile(pwdfile , False, True, 'username', 'password')

    def test_verify(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()
        password = Password.PasswordFile(pwdfile.name, False, True, 'username', 'password')
        password.verify()

    def test_verify_bad_password(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()
        with self.assertRaises(Exception):
            password = Password.PasswordFile(pwdfile.name, False, True, 'username', 'BadPassword')
            password.verify()

    def test_save(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()
        password = Password.PasswordFile(pwdfile.name, False, True, 'MyAccount', 'MyPassword')
        password.save()

    def test_update(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()

        password = Password.PasswordFile(pwdfile.name, False, True, 'username', 'MyPassword2')
        password.update()
        password.save()

        password = Password.PasswordFile(pwdfile.name, False, True, 'username', 'MyPassword2')
        password.verify()

        with self.assertRaises(Exception):
            password = Password.PasswordFile(pwdfile.name, False, True, 'username', 'BadPassword')
            password.verify()

    def test_delete(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.write('username2:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()

        password = Password.PasswordFile(pwdfile.name, False, True, 'username', 'MyPassword')
        password.delete()

    def test_run_update(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()
        Password.root(pwdfile.name, False,  True, 'username',  'password',  False,  False)

    def test_run_verify(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()
        Password.root(pwdfile.name, False,  True, 'username',  'password',  False, True)

    def test_run_verify_bad_password(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()
        with self.assertRaises(Exception):
            Password.root(pwdfile.name, False,  True, 'username',  'BadPassword',  False, True)

    def test_run_verify_bad_account(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()
        with self.assertRaises(KeyError):
            Password.root(pwdfile.name, False,  True, 'BadUsername',  'password',  False, True)

    def test_run_delete(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()
        Password.root(pwdfile.name, False,  True, 'username',  'password',  True,  False)

    def test_main(self):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()
        args = ['-v', '-b', pwdfile.name, 'username', 'password']
        print(args)
        Password.main(args=args)

    @patch("getpass.getpass")
    def test_run_verify_stdin_password(self,  getpass):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()

        getpass.return_value = "password"
        password = Password.PasswordFile(pwdfile.name, False, False, 'username', None)
        password.verify()

    @patch("getpass.getpass")
    def test_run_update_stdin_password(self,  getpass):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()

        getpass.return_value = "password"
        password = Password.PasswordFile(pwdfile.name, False, False, 'username', None)
        password.update()

    @patch("getpass.getpass")
    def test_run_update_stdin_password2(self, getpass):
        pwdfile = tempfile.NamedTemporaryFile(suffix="passwordfile.tmp", mode='w+t')
        pwdfile.write('username:$2a$12$2C97xW0KC/vFp3YyjlOgU.fWXJ3EiGT2Ihb0SWN9Mw0XI4WngiUqS\n\n')
        pwdfile.flush()

        getpass.side_effect = ["password", "password2"]
        password = Password.PasswordFile(pwdfile.name, False, False, 'username', None)
        with self.assertRaises(Exception):
            password.update()


if __name__ == '__main__':
    unittest.main()