# Copyright (C) 2010-2023 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,
# 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 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 datetime

import pytest

from rhodecode.lib.vcs.nodes import FileNode
from rhodecode.tests.vcs.conftest import BackendTestMixin


@pytest.mark.usefixtures("vcs_repository_support")
class TestBranches(BackendTestMixin):
    def test_empty_repository_has_no_branches(self, vcsbackend):
        empty_repo = vcsbackend.create_repo()
        assert empty_repo.branches == {}

    def test_branches_all(self, vcsbackend):
        branch_count = {
            "git": 1,
            "hg": 1,
            "svn": 0,
        }
        assert len(self.repo.branches_all) == branch_count[vcsbackend.alias]

    def test_closed_branches(self):
        assert len(self.repo.branches_closed) == 0

    def test_simple(self, local_dt_to_utc):
        tip = self.repo.get_commit()
        assert tip.message == "Changes..."
        assert tip.date == local_dt_to_utc(datetime.datetime(2010, 1, 1, 21))

    @pytest.mark.backends("git", "hg")
    def test_new_branch(self):
        # This check must not be removed to ensure the 'branches' LazyProperty
        # gets hit *before* the new 'foobar' branch got created:
        assert "foobar" not in self.repo.branches
        self.imc.add(FileNode(b"docs/index.txt", content=b"Documentation\n"))
        foobar_tip = self.imc.commit(
            message="New branch: foobar",
            author="joe <joe@rhodecode.com>",
            branch="foobar",
        )
        assert "foobar" in self.repo.branches
        assert foobar_tip.branch == "foobar"

    @pytest.mark.backends("git", "hg")
    def test_new_head(self):
        tip = self.repo.get_commit()

        self.imc.add(FileNode(b"docs/index.txt", content=b"Documentation\n"))
        foobar_tip = self.imc.commit(
            message="New branch: foobar",
            author="joe <joe@rhodecode.com>",
            branch="foobar",
            parents=[tip],
        )
        self.imc.change(FileNode(b"docs/index.txt", content=b"Documentation\nand more...\n"))
        assert foobar_tip.branch == "foobar"
        newtip = self.imc.commit(
            message="At foobar_tip branch",
            author="joe <joe@rhodecode.com>",
            branch=foobar_tip.branch,
            parents=[foobar_tip],
        )

        newest_tip = self.imc.commit(
            message=f"Merged with {foobar_tip.raw_id}",
            author="joe <joe@rhodecode.com>",
            branch=self.backend_class.DEFAULT_BRANCH_NAME,
            parents=[tip, newtip],
        )

        assert newest_tip.branch == self.backend_class.DEFAULT_BRANCH_NAME

    @pytest.mark.backends("git", "hg")
    def test_branch_with_slash_in_name(self):
        self.imc.add(FileNode(b"extrafile", content=b"Some data\n"))
        self.imc.commit("Branch with a slash!", author="joe <joe@rhodecode.com>", branch="issue/123")
        assert "issue/123" in self.repo.branches

    @pytest.mark.backends("git", "hg")
    def test_branch_with_slash_in_name_and_similar_without(self):
        self.imc.add(FileNode(b"extrafile", content=b"Some data\n"))
        self.imc.commit("Branch with a slash!", author="joe <joe@rhodecode.com>", branch="issue/123")
        self.imc.add(FileNode(b"extrafile II", content=b"Some data\n"))
        self.imc.commit("Branch without a slash...", author="joe <joe@rhodecode.com>", branch="123")
        assert "issue/123" in self.repo.branches
        assert "123" in self.repo.branches


class TestSvnBranches(object):
    def test_empty_repository_has_no_tags_and_branches(self, vcsbackend_svn):
        empty_repo = vcsbackend_svn.create_repo()
        assert empty_repo.branches == {}
        assert empty_repo.tags == {}

    def test_missing_structure_has_no_tags_and_branches(self, vcsbackend_svn):
        repo = vcsbackend_svn.create_repo(number_of_commits=1)
        assert repo.branches == {}
        assert repo.tags == {}

    def test_discovers_ordered_branches(self, vcsbackend_svn):
        repo = vcsbackend_svn["svn-simple-layout"]
        expected_branches = [
            "branches/add-docs",
            "branches/argparse",
            "trunk",
        ]
        assert list(repo.branches.keys()) == expected_branches

    def test_discovers_ordered_tags(self, vcsbackend_svn):
        repo = vcsbackend_svn["svn-simple-layout"]
        expected_tags = ["tags/v0.1", "tags/v0.2", "tags/v0.3", "tags/v0.5"]
        assert list(repo.tags.keys()) == expected_tags