#include "clar_libgit2.h"

#include "posix.h"

#include "path.h"

#include "submodule_helpers.h"

#include "config/config_helpers.h"

#include "fileops.h"

#include "repository.h"

static git_repository *g_repo = NULL;

void test_submodule_add__cleanup(void)

{

	cl_git_sandbox_cleanup();

}

static void assert_submodule_url(const char* name, const char *url)

{

	git_buf key = GIT_BUF_INIT;

	cl_git_pass(git_buf_printf(&key, "submodule.%s.url", name));

	assert_config_entry_value(g_repo, git_buf_cstr(&key), url);

	git_buf_free(&key);

}

void test_submodule_add__url_absolute(void)

{

	git_submodule *sm;

	git_repository *repo;

	git_buf dot_git_content = GIT_BUF_INIT;

	g_repo = setup_fixture_submod2();

	/* re-add existing submodule */

	cl_git_fail_with(

		GIT_EEXISTS,

		git_submodule_add_setup(NULL, g_repo, "whatever", "sm_unchanged", 1));

	/* add a submodule using a gitlink */

	cl_git_pass(

		git_submodule_add_setup(&sm, g_repo, "https://github.com/libgit2/libgit2.git", "sm_libgit2", 1)

		);

	git_submodule_free(sm);

	cl_assert(git_path_isfile("submod2/" "sm_libgit2" "/.git"));

	cl_assert(git_path_isdir("submod2/.git/modules"));

	cl_assert(git_path_isdir("submod2/.git/modules/" "sm_libgit2"));

	cl_assert(git_path_isfile("submod2/.git/modules/" "sm_libgit2" "/HEAD"));

	assert_submodule_url("sm_libgit2", "https://github.com/libgit2/libgit2.git");

	cl_git_pass(git_repository_open(&repo, "submod2/" "sm_libgit2"));

	/* Verify worktree path is relative */

	assert_config_entry_value(repo, "core.worktree", "../../../sm_libgit2/");

	/* Verify gitdir path is relative */

	cl_git_pass(git_futils_readbuffer(&dot_git_content, "submod2/" "sm_libgit2" "/.git"));

	cl_assert_equal_s("gitdir: ../.git/modules/sm_libgit2/", dot_git_content.ptr);

	git_repository_free(repo);

	git_buf_free(&dot_git_content);

	/* add a submodule not using a gitlink */

	cl_git_pass(

		git_submodule_add_setup(&sm, g_repo, "https://github.com/libgit2/libgit2.git", "sm_libgit2b", 0)

		);

	git_submodule_free(sm);

	cl_assert(git_path_isdir("submod2/" "sm_libgit2b" "/.git"));

	cl_assert(git_path_isfile("submod2/" "sm_libgit2b" "/.git/HEAD"));

	cl_assert(!git_path_exists("submod2/.git/modules/" "sm_libgit2b"));

	assert_submodule_url("sm_libgit2b", "https://github.com/libgit2/libgit2.git");

}

void test_submodule_add__url_relative(void)

{

	git_submodule *sm;

	git_remote *remote;

	git_strarray problems = {0};

	/* default remote url is https://github.com/libgit2/false.git */

	g_repo = cl_git_sandbox_init("testrepo2");

	/* make sure we don't default to origin - rename origin -> test_remote */

	cl_git_pass(git_remote_rename(&problems, g_repo, "origin", "test_remote"));

	cl_assert_equal_i(0, problems.count);

	git_strarray_free(&problems);

	cl_git_fail(git_remote_lookup(&remote, g_repo, "origin"));

	cl_git_pass(

		git_submodule_add_setup(&sm, g_repo, "../TestGitRepository", "TestGitRepository", 1)

		);

	git_submodule_free(sm);

	assert_submodule_url("TestGitRepository", "https://github.com/libgit2/TestGitRepository");

}

void test_submodule_add__url_relative_to_origin(void)

{

	git_submodule *sm;

	/* default remote url is https://github.com/libgit2/false.git */

	g_repo = cl_git_sandbox_init("testrepo2");

	cl_git_pass(

		git_submodule_add_setup(&sm, g_repo, "../TestGitRepository", "TestGitRepository", 1)

		);

	git_submodule_free(sm);

	assert_submodule_url("TestGitRepository", "https://github.com/libgit2/TestGitRepository");

}

void test_submodule_add__url_relative_to_workdir(void)

{

	git_submodule *sm;

	/* In this repo, HEAD (master) has no remote tracking branc h*/

	g_repo = cl_git_sandbox_init("testrepo");

	cl_git_pass(

		git_submodule_add_setup(&sm, g_repo, "./", "TestGitRepository", 1)

		);

	git_submodule_free(sm);

	assert_submodule_url("TestGitRepository", git_repository_workdir(g_repo));

}