#include "clar_libgit2.h"

#include "git2/checkout.h"
#include "repository.h"

static git_repository *g_repo;
static git_checkout_opts g_opts;
static git_object *g_object;

void test_checkout_tree__initialize(void)
{
	g_repo = cl_git_sandbox_init("testrepo");

	memset(&g_opts, 0, sizeof(g_opts));
	g_opts.checkout_strategy = GIT_CHECKOUT_CREATE_MISSING;
}

void test_checkout_tree__cleanup(void)
{
	git_object_free(g_object);

	cl_git_sandbox_cleanup();
}

void test_checkout_tree__cannot_checkout_a_non_treeish(void)
{
	/* blob */
	cl_git_pass(git_revparse_single(&g_object, g_repo, "a71586c1dfe8a71c6cbf6c129f404c5642ff31bd"));

	cl_git_fail(git_checkout_tree(g_repo, g_object, NULL));
}

void test_checkout_tree__can_checkout_a_subdirectory_from_a_commit(void)
{
	char *entries[] = { "ab/de/" };

	g_opts.paths.strings = entries;
	g_opts.paths.count = 1;

	cl_git_pass(git_revparse_single(&g_object, g_repo, "subtrees"));

	cl_assert_equal_i(false, git_path_isdir("./testrepo/ab/"));

	cl_git_pass(git_checkout_tree(g_repo, g_object, &g_opts));

	cl_assert_equal_i(true, git_path_isfile("./testrepo/ab/de/2.txt"));
	cl_assert_equal_i(true, git_path_isfile("./testrepo/ab/de/fgh/1.txt"));
}

void test_checkout_tree__can_checkout_a_subdirectory_from_a_subtree(void)
{
	char *entries[] = { "de/" };

	g_opts.paths.strings = entries;
	g_opts.paths.count = 1;

	cl_git_pass(git_revparse_single(&g_object, g_repo, "subtrees:ab"));

	cl_assert_equal_i(false, git_path_isdir("./testrepo/de/"));

	cl_git_pass(git_checkout_tree(g_repo, g_object, &g_opts));

	cl_assert_equal_i(true, git_path_isfile("./testrepo/de/2.txt"));
	cl_assert_equal_i(true, git_path_isfile("./testrepo/de/fgh/1.txt"));
}

static void progress(const char *path, float progress, void *payload)
{
	GIT_UNUSED(path); GIT_UNUSED(progress);
	int *count = (int*)payload;
	(*count)++;
}

void test_checkout_tree__calls_progress_callback(void)
{
	int count = 0;
	g_opts.progress_cb = progress;
	g_opts.progress_payload = &count;

	cl_git_pass(git_revparse_single(&g_object, g_repo, "master"));
	cl_git_pass(git_checkout_tree(g_repo, g_object, &g_opts));
	cl_assert_equal_i(count, 4);
}