/*
 * Copyright (c) 2018 Nordic Semiconductor ASA
 * Copyright (c) 2015 Runtime Inc
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include "settings_test.h"
#include "settings/settings_fcb.h"

#ifdef TEST_LONG
#define TESTS_S2_FCB_ITERATIONS 32
#else
#define TESTS_S2_FCB_ITERATIONS 2
#endif

ZTEST(settings_config_fcb, test_config_save_2_fcb)
{
	int rc;
	struct settings_fcb cf;

	int i;

	/* this case need c_test_handler[0] to handle access to val8 */
	rc = settings_register(&c_test_handlers[0]);
	zassert_true(rc == 0 || rc == -EEXIST, "settings_register fail");
	rc = settings_register(&c_test_handlers[1]);
	zassert_true(rc == 0 || rc == -EEXIST, "settings_register fail");

	config_wipe_srcs();

	cf.cf_fcb.f_magic = CONFIG_SETTINGS_FCB_MAGIC;
	cf.cf_fcb.f_sectors = fcb_sectors;
	cf.cf_fcb.f_sector_cnt = ARRAY_SIZE(fcb_sectors);

	rc = settings_fcb_src(&cf);
	zassert_true(rc == 0, "can't register FCB as configuration source");
	settings_mount_fcb_backend(&cf);

	rc = settings_fcb_dst(&cf);
	zassert_true(rc == 0,
		     "can't register FCB as configuration destination");

	test_config_fill_area(test_ref_value, 0);
	memcpy(val_string, test_ref_value, sizeof(val_string));

	c2_var_count = 1;
	printk("save val8 and val_string\n");
	val8 = 42U;
	rc = settings_save();
	zassert_true(rc == 0, "fcb write error");

	printk("load val8 and val_string\n");
	val8 = 0U;
	(void)memset(val_string[0], 0, sizeof(val_string[0]));
	rc = settings_load();
	zassert_true(rc == 0, "fcb read error");
	zassert_true(val8 == 42U, "bad value read");
	zassert_str_equal(val_string[0], test_ref_value[0], "bad value read");
	test_export_block = 1;

	/*
	 * Now add the number of settings to max. Keep adjusting the test_data,
	 * check that rollover happens when it's supposed to.
	 */
	c2_var_count = 64;

	for (i = 0; i < TESTS_S2_FCB_ITERATIONS; i++) {
		test_config_fill_area(test_ref_value, i);
		memcpy(val_string, test_ref_value, sizeof(val_string));

		rc = settings_save();
		zassert_true(rc == 0, "fcb write error");

		(void)memset(val_string, 0, sizeof(val_string));

		val8 = 0U;
		rc = settings_load();
		zassert_true(rc == 0, "fcb read error");
		zassert_true(!memcmp(val_string, test_ref_value,
				     sizeof(val_string)),
			     "bad value read");
		zassert_true(val8 == 42U, "bad value read");
	}
	c2_var_count = 0;
	test_export_block = 0;
	settings_unregister(&c_test_handlers[1]);
	settings_unregister(&c_test_handlers[0]);
}