#include "clar_libgit2.h"

#include "git2/revparse.h"

static git_repository *g_repo;
static git_object *g_obj;



// Hepers
static void oid_str_cmp(const git_oid *oid, const char *str)
{
   git_oid oid2;
   cl_git_pass(git_oid_fromstr(&oid2, str));
   cl_assert(0 == git_oid_cmp(oid, &oid2));
}


void test_refs_revparse__initialize(void)
{
   g_repo = cl_git_sandbox_init("testrepo.git");
}

void test_refs_revparse__cleanup(void)
{
   cl_git_sandbox_cleanup();
   g_obj = NULL;
}


void test_refs_revparse__shas(void)
{
   // Full SHA should return a valid object
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "c47800c7266a2be04c571c04d5a6614691ea99bd"));
   oid_str_cmp(git_object_id(g_obj), "c47800c7266a2be04c571c04d5a6614691ea99bd");
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "c47800c"));
   oid_str_cmp(git_object_id(g_obj), "c47800c7266a2be04c571c04d5a6614691ea99bd");
}

void test_refs_revparse__head(void)
{
   // Named head should return a valid object
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "HEAD"));
   oid_str_cmp(git_object_id(g_obj), "a65fedf39aefe402d3bb6e24df4d4f5fe4547750");
}

void test_refs_revparse__full_refs(void)
{
   // Fully-qualified refs should return valid objects
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "refs/heads/master"));
   oid_str_cmp(git_object_id(g_obj), "a65fedf39aefe402d3bb6e24df4d4f5fe4547750");
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "refs/heads/test"));
   oid_str_cmp(git_object_id(g_obj), "e90810b8df3e80c413d903f631643c716887138d");
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "refs/tags/test"));
   oid_str_cmp(git_object_id(g_obj), "b25fa35b38051e4ae45d4222e795f9df2e43f1d1");
}

void test_refs_revparse__partial_refs(void)
{
   // Partially-qualified refs should return valid objects
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "point_to_blob"));
   oid_str_cmp(git_object_id(g_obj), "1385f264afb75a56a5bec74243be9b367ba4ca08");
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "packed-test"));
   oid_str_cmp(git_object_id(g_obj), "4a202b346bb0fb0db7eff3cffeb3c70babbd2045");
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "br2"));
   oid_str_cmp(git_object_id(g_obj), "a4a7dce85cf63874e984719f4fdd239f5145052f");
}

void test_refs_revparse__describe_output(void)
{
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "blah-7-gc47800c"));
   oid_str_cmp(git_object_id(g_obj), "c47800c7266a2be04c571c04d5a6614691ea99bd");
}

void test_refs_revparse__nth_parent(void)
{
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "be3563a^1"));
   oid_str_cmp(git_object_id(g_obj), "9fd738e8f7967c078dceed8190330fc8648ee56a");
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "be3563a^2"));
   oid_str_cmp(git_object_id(g_obj), "c47800c7266a2be04c571c04d5a6614691ea99bd");
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "be3563a^1^1"));
   oid_str_cmp(git_object_id(g_obj), "4a202b346bb0fb0db7eff3cffeb3c70babbd2045");
   cl_git_pass(git_revparse_single(&g_obj, g_repo, "be3563a^2^1"));
   oid_str_cmp(git_object_id(g_obj), "5b5b025afb0b4c913b4c338a42934a3863bf3644");
}

void test_refs_revparse__reflog(void)
{
   // TODO: how to create a fixture for this? git_reflog_write?
}