# Copyright 2010-2020 The pygit2 contributors
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# it under the terms of the GNU General Public License, version 2,
# as published by the Free Software Foundation.
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# General Public License for more details.
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"""Tests for Submodule objects."""

import os
from pathlib import Path

import pygit2
import pytest

from . import utils


SUBM_NAME = 'TestGitRepository'
SUBM_PATH = 'TestGitRepository'
SUBM_URL = 'https://github.com/libgit2/TestGitRepository'
SUBM_HEAD_SHA = '49322bb17d3acc9146f98c97d078513228bbf3c0'


@pytest.fixture
def repo(tmp_path):
    with utils.TemporaryRepository('submodulerepo.tar', tmp_path) as path:
        yield pygit2.Repository(path)


def test_lookup_submodule(repo):
    s = repo.lookup_submodule(SUBM_PATH)
    assert s is not None

@utils.fspath
def test_lookup_submodule_aspath(repo):
    s = repo.lookup_submodule(Path(SUBM_PATH))
    assert s is not None

def test_listall_submodules(repo):
    submodules = repo.listall_submodules()
    assert len(submodules) == 1
    assert submodules[0] == SUBM_PATH

@utils.requires_network
def test_submodule_open(repo):
    s = repo.lookup_submodule(SUBM_PATH)
    repo.init_submodules()
    repo.update_submodules()
    r = s.open()
    assert r is not None
    assert str(r.head.target) == SUBM_HEAD_SHA

def test_name(repo):
    s = repo.lookup_submodule(SUBM_PATH)
    assert SUBM_NAME == s.name

def test_path(repo):
    s = repo.lookup_submodule(SUBM_PATH)
    assert SUBM_PATH == s.path

def test_url(repo):
    s = repo.lookup_submodule(SUBM_PATH)
    assert SUBM_URL == s.url

@utils.requires_network
def test_init_and_update(repo):
    subrepo_file_path = os.path.join(repo.workdir, 'TestGitRepository', 'master.txt')
    assert not os.path.exists(subrepo_file_path)
    repo.init_submodules()
    repo.update_submodules()
    assert os.path.exists(subrepo_file_path)

@utils.requires_network
def test_specified_update(repo):
    subrepo_file_path = os.path.join(repo.workdir, 'TestGitRepository', 'master.txt')
    assert not os.path.exists(subrepo_file_path)
    repo.init_submodules(submodules=['TestGitRepository'])
    repo.update_submodules(submodules=['TestGitRepository'])
    assert os.path.exists(subrepo_file_path)

@utils.requires_network
def test_oneshot_update(repo):
    subrepo_file_path = os.path.join(repo.workdir, 'TestGitRepository', 'master.txt')
    assert not os.path.exists(subrepo_file_path)
    repo.update_submodules(init=True)
    assert os.path.exists(subrepo_file_path)

@utils.requires_network
def test_head_id(repo):
    s = repo.lookup_submodule(SUBM_PATH)
    assert str(s.head_id) == SUBM_HEAD_SHA

@utils.requires_network
def test_add_submodule(repo):
    sm_repo_path = "test/testrepo"
    sm = repo.add_submodule(SUBM_URL, sm_repo_path)
    sm_repo = sm.open()
    assert sm_repo_path == sm.path
    assert SUBM_URL == sm.url
    assert not sm_repo.is_empty
