# Copyright (C) 2010-2020 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
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# 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 Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/

import pytest

from .test_repo_compare import ComparePage


def route_path(name, params=None, **kwargs):
    import urllib.request, urllib.parse, urllib.error

    base_url = {
        'repo_compare_select': '/{repo_name}/compare',
        'repo_compare': '/{repo_name}/compare/{source_ref_type}@{source_ref}...{target_ref_type}@{target_ref}',
    }[name].format(**kwargs)

    if params:
        base_url = '{}?{}'.format(base_url, urllib.parse.urlencode(params))
    return base_url


@pytest.mark.usefixtures("autologin_user", "app")
class TestCompareView(object):

    @pytest.mark.xfail_backends("svn", msg="Depends on branch and tag support")
    def test_compare_tag(self, backend):
        tag1 = 'v0.1.2'
        tag2 = 'v0.1.3'
        response = self.app.get(
            route_path(
                'repo_compare',
                repo_name=backend.repo_name,
                source_ref_type="tag", source_ref=tag1,
                target_ref_type="tag", target_ref=tag2),
            status=200)

        response.mustcontain('%s@%s' % (backend.repo_name, tag1))
        response.mustcontain('%s@%s' % (backend.repo_name, tag2))

        # outgoing commits between tags
        commit_indexes = {
            'git': [113] + range(115, 121),
            'hg': [112] + range(115, 121),
        }
        repo = backend.repo
        commits = (repo.get_commit(commit_idx=idx)
                   for idx in commit_indexes[backend.alias])
        compare_page = ComparePage(response)
        compare_page.contains_change_summary(11, 94, 64)
        compare_page.contains_commits(commits)

        # files diff
        short_id = short_id_new = ''
        if backend.alias == 'git':
            short_id = '5a3a8fb00555'
            short_id_new = '0ba5f8a46600'
        if backend.alias == 'hg':
            short_id = '17544fbfcd33'
            short_id_new = 'a7e60bff65d5'

        compare_page.contains_file_links_and_anchors([
            # modified
            ('docs/api/utils/index.rst', 'a_c-{}-1c5cf9e91c12'.format(short_id)),
            ('test_and_report.sh', 'a_c-{}-e3305437df55'.format(short_id)),
            # added
            ('.hgignore', 'a_c-{}-c8e92ef85cd1'.format(short_id_new)),
            ('.hgtags', 'a_c-{}-6e08b694d687'.format(short_id_new)),
            ('docs/api/index.rst', 'a_c-{}-2c14b00f3393'.format(short_id_new)),
            ('vcs/__init__.py', 'a_c-{}-430ccbc82bdf'.format(short_id_new)),
            ('vcs/backends/hg.py', 'a_c-{}-9c390eb52cd6'.format(short_id_new)),
            ('vcs/utils/__init__.py', 'a_c-{}-ebb592c595c0'.format(short_id_new)),
            ('vcs/utils/annotate.py', 'a_c-{}-7abc741b5052'.format(short_id_new)),
            ('vcs/utils/diffs.py', 'a_c-{}-2ef0ef106c56'.format(short_id_new)),
            ('vcs/utils/lazy.py', 'a_c-{}-3150cb87d4b7'.format(short_id_new)),
        ])

    @pytest.mark.xfail_backends("svn", msg="Depends on branch and tag support")
    def test_compare_tag_branch(self, backend):
        revisions = {
            'hg': {
                'tag': 'v0.2.0',
                'branch': 'default',
                'response': (147, 5701, 10177)
            },
            'git': {
                'tag': 'v0.2.2',
                'branch': 'master',
                'response': (70, 1855, 3002)
            },
        }

        # Backend specific data, depends on the test repository for
        # functional tests.
        data = revisions[backend.alias]

        response = self.app.get(
            route_path(
                'repo_compare',
                repo_name=backend.repo_name,
                source_ref_type='branch', source_ref=data['branch'],
                target_ref_type="tag", target_ref=data['tag'],
            ))

        response.mustcontain('%s@%s' % (backend.repo_name, data['branch']))
        response.mustcontain('%s@%s' % (backend.repo_name, data['tag']))
        compare_page = ComparePage(response)
        compare_page.contains_change_summary(*data['response'])

    def test_index_branch(self, backend):
        head_id = backend.default_head_id
        response = self.app.get(
            route_path(
                'repo_compare',
                repo_name=backend.repo_name,
                source_ref_type="branch", source_ref=head_id,
                target_ref_type="branch", target_ref=head_id,
            ))

        response.mustcontain('%s@%s' % (backend.repo_name, head_id))

        # branches are equal
        response.mustcontain('No files')
        response.mustcontain('No commits in this compare')

    def test_compare_commits(self, backend):
        repo = backend.repo
        commit1 = repo.get_commit(commit_idx=0)
        commit1_short_id = commit1.short_id
        commit2 = repo.get_commit(commit_idx=1)
        commit2_short_id = commit2.short_id

        response = self.app.get(
            route_path(
                'repo_compare',
                repo_name=backend.repo_name,
                source_ref_type="rev", source_ref=commit1.raw_id,
                target_ref_type="rev", target_ref=commit2.raw_id,
            ))
        response.mustcontain('%s@%s' % (backend.repo_name, commit1.raw_id))
        response.mustcontain('%s@%s' % (backend.repo_name, commit2.raw_id))
        compare_page = ComparePage(response)

        # files
        compare_page.contains_change_summary(1, 7, 0)

        # outgoing commits between those commits
        compare_page.contains_commits([commit2])
        anchor = 'a_c-{}-c8e92ef85cd1'.format(commit2_short_id)
        response.mustcontain(anchor)
        compare_page.contains_file_links_and_anchors([('.hgignore', anchor),])