#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unity/unity.h>
#include "request.h"
#include "xce/types.h"

/* Tests for xce_hostctrl_req() validation paths.
 * We test only early-return paths (before xce_request() is called)
 * since a live endpoint is not available in unit tests. */

static void test_hostctrl_req_null_ep(void)
{
    xce_hostctrl_t ctrl = { .action = HOST_OPEN, .hostname = "host1" };
    int rc = xce_hostctrl_req(NULL, &ctrl);
    TEST_ASSERT_EQUAL_INT(-EINVAL, rc);
}

static void test_hostctrl_req_null_ctrl(void)
{
    /* non-NULL dummy ep is enough; the NULL ctrl check fires first */
    int rc = xce_hostctrl_req((endpoint_t*)0x1, NULL);
    TEST_ASSERT_EQUAL_INT(-EINVAL, rc);
}

static void test_hostctrl_req_null_hostname(void)
{
    xce_hostctrl_t ctrl = { .action = HOST_OPEN, .hostname = NULL };
    int rc = xce_hostctrl_req((endpoint_t*)0x1, &ctrl);
    TEST_ASSERT_EQUAL_INT(-EINVAL, rc);
}

static void test_hostctrl_req_empty_hostname(void)
{
    xce_hostctrl_t ctrl = { .action = HOST_OPEN, .hostname = "" };
    int rc = xce_hostctrl_req((endpoint_t*)0x1, &ctrl);
    TEST_ASSERT_EQUAL_INT(-EINVAL, rc);
}

static void test_hostctrl_req_noop(void)
{
    xce_hostctrl_t ctrl = { .action = HOST_DO_NONE, .hostname = "host1" };
    int rc = xce_hostctrl_req((endpoint_t*)0x1, &ctrl);
    TEST_ASSERT_EQUAL_INT(0, rc);
}

static void test_hostctrl_req_reject_tag(void)
{
    xce_hostctrl_t ctrl = { .action = HOST_TAG, .hostname = "host1" };
    int rc = xce_hostctrl_req((endpoint_t*)0x1, &ctrl);
    TEST_ASSERT_EQUAL_INT(-EINVAL, rc);
}

static void test_hostctrl_req_reject_untag(void)
{
    xce_hostctrl_t ctrl = { .action = HOST_UNTAG, .hostname = "host1" };
    int rc = xce_hostctrl_req((endpoint_t*)0x1, &ctrl);
    TEST_ASSERT_EQUAL_INT(-EINVAL, rc);
}

static void test_hostctrl_req_reject_negative_action(void)
{
    xce_hostctrl_t ctrl = { .action = -1, .hostname = "host1" };
    int rc = xce_hostctrl_req((endpoint_t*)0x1, &ctrl);
    TEST_ASSERT_EQUAL_INT(-EINVAL, rc);
}

void test_request(void)
{
    printf("\n>> host control request validation tests\n\n");
    RUN_TEST(test_hostctrl_req_null_ep);
    RUN_TEST(test_hostctrl_req_null_ctrl);
    RUN_TEST(test_hostctrl_req_null_hostname);
    RUN_TEST(test_hostctrl_req_empty_hostname);
    RUN_TEST(test_hostctrl_req_noop);
    RUN_TEST(test_hostctrl_req_reject_tag);
    RUN_TEST(test_hostctrl_req_reject_untag);
    RUN_TEST(test_hostctrl_req_reject_negative_action);
}