# -*- coding: utf-8 -*-

# This program 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.

#

# 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 General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import pytest

from kallithea.tests import *

from kallithea.tests.fixture import Fixture

from kallithea.controllers.admin.users import UsersController

from kallithea.model.db import User, Permission, UserIpMap, UserApiKeys

from kallithea.lib.auth import check_password

from kallithea.model.user import UserModel

from kallithea.model import validators

from kallithea.lib import helpers as h

from kallithea.model.meta import Session

from webob.exc import HTTPNotFound

fixture = Fixture()

class TestAdminUsersController(TestController):

    test_user_1 = 'testme'

    @classmethod

    def teardown_class(cls):

        if User.get_by_username(cls.test_user_1):

            UserModel().delete(cls.test_user_1)

            Session().commit()

    def test_index(self):

        self.log_user()

        response = self.app.get(url('users'))

        # Test response...

    def test_create(self):

        self.log_user()

        username = 'newtestuser'

        password = 'test12'

        password_confirmation = password

        name = u'name'

        lastname = u'lastname'

        email = 'mail@example.com'

        response = self.app.post(url('users'),

            {'username': username,

             'password': password,

             'password_confirmation': password_confirmation,

             'firstname': name,

             'active': True,

             'lastname': lastname,

             'extern_name': 'internal',

             'extern_type': 'internal',

             'email': email,

             '_authentication_token': self.authentication_token()})

        self.checkSessionFlash(response, '''Created user <a href="/_admin/users/''')

        self.checkSessionFlash(response, '''/edit">%s</a>''' % (username))

        new_user = Session().query(User). \

            filter(User.username == username).one()

        assert new_user.username == username

        assert check_password(password, new_user.password) == True

        assert new_user.name == name

        assert new_user.lastname == lastname

        assert new_user.email == email

        response.follow()

        response = response.follow()

        response.mustcontain("""newtestuser""")

    def test_create_err(self):

        self.log_user()

        username = 'new_user'

        password = ''

        name = u'name'

        lastname = u'lastname'

        email = 'errmail.example.com'

        response = self.app.post(url('users'), {'username': username,

                                               'password': password,

                                               'name': name,

                                               'active': False,

                                               'lastname': lastname,

                                               'email': email,

                                               '_authentication_token': self.authentication_token()})

        msg = validators.ValidUsername(False, {})._messages['system_invalid_username']

        msg = h.html_escape(msg % {'username': 'new_user'})

        response.mustcontain("""<span class="error-message">%s</span>""" % msg)

        response.mustcontain("""<span class="error-message">Please enter a value</span>""")

        response.mustcontain("""<span class="error-message">An email address must contain a single @</span>""")

        def get_user():

            Session().query(User).filter(User.username == username).one()

        with pytest.raises(NoResultFound):

            get_user(), 'found user in database'

    def test_new(self):

        self.log_user()

        response = self.app.get(url('new_user'))

    @parametrize('name,attrs',

        [('firstname', {'firstname': 'new_username'}),

         ('lastname', {'lastname': 'new_username'}),

         ('admin', {'admin': True}),

         ('admin', {'admin': False}),

         ('extern_type', {'extern_type': 'ldap'}),

         ('extern_type', {'extern_type': None}),

         ('extern_name', {'extern_name': 'test'}),

         ('extern_name', {'extern_name': None}),

         ('active', {'active': False}),

         ('active', {'active': True}),

         ('email', {'email': 'someemail@example.com'}),

        # ('new_password', {'new_password': 'foobar123',

        #                   'password_confirmation': 'foobar123'})

        ])

    def test_update(self, name, attrs):

        self.log_user()

        usr = fixture.create_user(self.test_user_1, password='qweqwe',

                                  email='testme@example.com',

                                  extern_type='internal',

                                  extern_name=self.test_user_1,

                                  skip_if_exists=True)

        Session().commit()

        params = usr.get_api_data(True)

        params.update({'password_confirmation': ''})

        params.update({'new_password': ''})

        params.update(attrs)

        if name == 'email':

            params['emails'] = [attrs['email']]

        if name == 'extern_type':

            #cannot update this via form, expected value is original one

            params['extern_type'] = "internal"

        if name == 'extern_name':

            #cannot update this via form, expected value is original one

            params['extern_name'] = self.test_user_1

            # special case since this user is not

                                          # logged in yet his data is not filled

                                          # so we use creation data

        params.update({'_authentication_token': self.authentication_token()})

        response = self.app.post(url('update_user', id=usr.user_id), params)

        self.checkSessionFlash(response, 'User updated successfully')

        params.pop('_authentication_token')

        updated_user = User.get_by_username(self.test_user_1)

        updated_params = updated_user.get_api_data(True)

        updated_params.update({'password_confirmation': ''})

        updated_params.update({'new_password': ''})

        assert params == updated_params

    def test_delete(self):

        self.log_user()

        username = 'newtestuserdeleteme'

        fixture.create_user(name=username)

        new_user = Session().query(User) \

            .filter(User.username == username).one()

        response = self.app.post(url('delete_user', id=new_user.user_id),

            params={'_authentication_token': self.authentication_token()})

        self.checkSessionFlash(response, 'Successfully deleted user')

    def test_delete_repo_err(self):

        self.log_user()

        username = 'repoerr'

        reponame = u'repoerr_fail'

        fixture.create_user(name=username)

        fixture.create_repo(name=reponame, cur_user=username)

        new_user = Session().query(User) \

            .filter(User.username == username).one()

        response = self.app.post(url('delete_user', id=new_user.user_id),

            params={'_authentication_token': self.authentication_token()})

        self.checkSessionFlash(response, 'User "%s" still '

                               'owns 1 repositories and cannot be removed. '

                               'Switch owners or remove those repositories: '

                               '%s' % (username, reponame))

        response = self.app.post(url('delete_repo', repo_name=reponame),

            params={'_authentication_token': self.authentication_token()})

        self.checkSessionFlash(response, 'Deleted repository %s' % reponame)

        response = self.app.post(url('delete_user', id=new_user.user_id),

            params={'_authentication_token': self.authentication_token()})

        self.checkSessionFlash(response, 'Successfully deleted user')

        self.log_user()

        username = 'repogrouperr'

        groupname = u'repogroup_fail'

        new_user = Session().query(User) \

            .filter(User.username == username).one()

        response = self.app.post(url('delete_user', id=new_user.user_id),

            params={'_authentication_token': self.authentication_token()})

        self.checkSessionFlash(response, 'User "%s" still '

                               'owns 1 repository groups and cannot be removed. '

                               'Switch owners or remove those repository groups: '

                               '%s' % (username, groupname))

        # Relevant _if_ the user deletion succeeded to make sure we can render groups without owner

        # rg = RepoGroup.get_by_group_name(group_name=groupname)

        # response = self.app.get(url('repos_groups', id=rg.group_id))

        response = self.app.post(url('delete_repo_group', group_name=groupname),

            params={'_authentication_token': self.authentication_token()})

        self.checkSessionFlash(response, 'Removed repository group %s' % groupname)

        response = self.app.post(url('delete_user', id=new_user.user_id),

            params={'_authentication_token': self.authentication_token()})

        self.checkSessionFlash(response, 'Successfully deleted user')

    def test_delete_user_group_err(self):

        self.log_user()

        username = 'usergrouperr'

        groupname = u'usergroup_fail'

        fixture.create_user(name=username)

        ug = fixture.create_user_group(name=groupname, cur_user=username)

        new_user = Session().query(User) \

            .filter(User.username == username).one()

        response = self.app.post(url('delete_user', id=new_user.user_id),

            params={'_authentication_token': self.authentication_token()})

        self.checkSessionFlash(response, 'User "%s" still '

                               'owns 1 user groups and cannot be removed. '

                               'Switch owners or remove those user groups: '

                               '%s' % (username, groupname))

        # TODO: why do this fail?

        #response = self.app.delete(url('delete_users_group', id=groupname))

        #self.checkSessionFlash(response, 'Removed user group %s' % groupname)

        fixture.destroy_user_group(ug.users_group_id)

        response = self.app.post(url('delete_user', id=new_user.user_id),

            params={'_authentication_token': self.authentication_token()})

        self.checkSessionFlash(response, 'Successfully deleted user')

    def test_edit(self):

        self.log_user()

        user = User.get_by_username(TEST_USER_ADMIN_LOGIN)

        response = self.app.get(url('edit_user', id=user.user_id))

    def test_add_perm_create_repo(self):

        self.log_user()

        perm_none = Permission.get_by_key('hg.create.none')

        perm_create = Permission.get_by_key('hg.create.repository')

        user = UserModel().create_or_update(username='dummy', password='qwe',

                                            email='dummy', firstname=u'a',

                                            lastname=u'b')

        Session().commit()

        uid = user.user_id

        try:

            #User should have None permission on creation repository

            assert UserModel().has_perm(user, perm_none) == False

            assert UserModel().has_perm(user, perm_create) == False

            response = self.app.post(url('edit_user_perms_update', id=uid),

                                     params=dict(create_repo_perm=True,

                                                 _authentication_token=self.authentication_token()))

            perm_none = Permission.get_by_key('hg.create.none')

            perm_create = Permission.get_by_key('hg.create.repository')

            #User should have None permission on creation repository

            assert UserModel().has_perm(uid, perm_none) == False

            assert UserModel().has_perm(uid, perm_create) == True

        finally:

            UserModel().delete(uid)

            Session().commit()

    def test_revoke_perm_create_repo(self):

        self.log_user()

        perm_none = Permission.get_by_key('hg.create.none')

        perm_create = Permission.get_by_key('hg.create.repository')

        user = UserModel().create_or_update(username='dummy', password='qwe',

                                            email='dummy', firstname=u'a',

                                            lastname=u'b')

        Session().commit()

        uid = user.user_id

        try:

            #User should have None permission on creation repository