/*  Copyright (C) CZ.NIC, z.s.p.o. and contributors
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  For more information, see <https://www.knot-dns.cz/>
 */

#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <tap/basic.h>

#include "libknot/descriptor.h"
#include "libknot/errcode.h"

#define BUF_LEN 256

int main(int argc, char *argv[])
{
	plan_lazy();

	const    knot_rdata_descriptor_t *descr;
	char     name[BUF_LEN] = "";
	int      ret;
	uint16_t num;

	// Get descriptor, type num to string:
	// 1. TYPE0
	descr = knot_get_rdata_descriptor(0);
	ok(descr->type_name == 0, "get TYPE0 descriptor name");
	ok(descr->block_types[0] == KNOT_RDATA_WF_REMAINDER,
	   "get TYPE0 descriptor 1. item type");
	ok(descr->block_types[1] == KNOT_RDATA_WF_END,
	   "get TYPE0 descriptor 2. item type");

	ret = knot_rrtype_to_string(0, name, BUF_LEN);
	ok(ret > 0, "get TYPE0 ret");
	ok(strcmp(name, "TYPE0") == 0, "get TYPE0 name");

	// 2. A
	descr = knot_get_rdata_descriptor(1);
	ok(strcmp(descr->type_name, "A") == 0, "get A descriptor name");
	ok(descr->block_types[0] == 4,
	   "get A descriptor 1. item type");
	ok(descr->block_types[1] == KNOT_RDATA_WF_END,
	   "get A descriptor 2. item type");

	ret = knot_rrtype_to_string(1, name, BUF_LEN);
	ok(ret > 0, "get A ret");
	ok(strcmp(name, "A") == 0, "get A name");

	// 3. CNAME
	descr = knot_get_rdata_descriptor(5);
	ok(strcmp(descr->type_name, "CNAME") == 0, "get CNAME descriptor name");
	ok(descr->block_types[0] == KNOT_RDATA_WF_COMPRESSIBLE_DNAME,
	   "get CNAME descriptor 1. item type");
	ok(descr->block_types[1] == KNOT_RDATA_WF_END,
	   "get CNAME descriptor 2. item type");

	ret = knot_rrtype_to_string(5, name, BUF_LEN);
	ok(ret > 0, "get CNAME ret");
	ok(strcmp(name, "CNAME") == 0, "get CNAME name");

	// 4. TYPE38 (A6)
	descr = knot_get_rdata_descriptor(38);
	ok(descr->type_name == 0, "get TYPE38 descriptor name");
	ok(descr->block_types[0] == KNOT_RDATA_WF_REMAINDER,
	   "get TYPE38 descriptor 1. item type");
	ok(descr->block_types[1] == KNOT_RDATA_WF_END,
	   "get TYPE38 descriptor 2. item type");

	ret = knot_rrtype_to_string(38, name, BUF_LEN);
	ok(ret > 0, "get TYPE38 ret");
	ok(strcmp(name, "TYPE38") == 0, "get TYPE38 name");

	// 5. ANY
	descr = knot_get_rdata_descriptor(255);
	ok(strcmp(descr->type_name, "ANY") == 0, "get ANY descriptor name");
	ok(descr->block_types[0] == KNOT_RDATA_WF_REMAINDER,
	   "get ANY descriptor 1. item type");
	ok(descr->block_types[1] == KNOT_RDATA_WF_END,
	   "get ANY descriptor 2. item type");

	ret = knot_rrtype_to_string(255, name, BUF_LEN);
	ok(ret > 0, "get ANY ret");
	ok(strcmp(name, "ANY") == 0, "get ANY name");

	// 6. TYPE65535
	descr = knot_get_rdata_descriptor(65535);
	ok(descr->type_name == 0, "get TYPE65535 descriptor name");
	ok(descr->block_types[0] == KNOT_RDATA_WF_REMAINDER,
	   "get TYPE65535 descriptor 1. item type");
	ok(descr->block_types[1] == KNOT_RDATA_WF_END,
	   "get TYPE65535 descriptor 2. item type");

	ret = knot_rrtype_to_string(65535, name, BUF_LEN);
	ok(ret > 0, "get TYPE65535 ret");
	ok(strcmp(name, "TYPE65535") == 0, "get TYPE65535 name");

	// Class num to string:
	// 7. CLASS0
	ret = knot_rrclass_to_string(0, name, BUF_LEN);
	ok(ret > 0, "get CLASS0 ret");
	ok(strcmp(name, "CLASS0") == 0, "get CLASS0 name");

	// 8. IN
	ret = knot_rrclass_to_string(1, name, BUF_LEN);
	ok(ret > 0, "get IN ret");
	ok(strcmp(name, "IN") == 0, "get IN name");

	// 9. ANY
	ret = knot_rrclass_to_string(255, name, BUF_LEN);
	ok(ret > 0, "get ANY ret");
	ok(strcmp(name, "ANY") == 0, "get ANY name");

	// 10. CLASS65535
	ret = knot_rrclass_to_string(65535, name, BUF_LEN);
	ok(ret > 0, "get CLASS65535 ret");
	ok(strcmp(name, "CLASS65535") == 0, "get CLASS65535 name");

	// String to type num:
	// 11. A
	ret = knot_rrtype_from_string("A", &num);
	ok(ret == KNOT_EOK, "get A num ret");
	ok(num == 1, "get A num");

	// 12. a
	ret = knot_rrtype_from_string("a", &num);
	ok(ret == KNOT_EOK, "get a num ret");
	ok(num == 1, "get a num");

	// 13. AaAa
	ret = knot_rrtype_from_string("AaAa", &num);
	ok(ret == KNOT_EOK, "get AaAa num ret");
	ok(num == 28, "get AaAa num");

	// 14. ""
	ret = knot_rrtype_from_string("", &num);
	ok(ret == KNOT_ENOTYPE, "get "" num ret");

	// 15. DUMMY
	ret = knot_rrtype_from_string("DUMMY", &num);
	ok(ret == KNOT_ENOTYPE, "get DUMMY num ret");

	// 16. TypE33
	ret = knot_rrtype_from_string("TypE33", &num);
	ok(ret == KNOT_EOK, "get TypE33 num ret");
	ok(num == 33, "get TypE33 num");

	// 17. TYPE
	ret = knot_rrtype_from_string("TYPE", &num);
	ok(ret == KNOT_ENOTYPE, "get TYPE num ret");

	// 18. TYPE0
	ret = knot_rrtype_from_string("TYPE0", &num);
	ok(ret == KNOT_EOK, "get TYPE0 num ret");
	ok(num == 0, "get TYPE0 num");

	// 19. TYPE65535
	ret = knot_rrtype_from_string("TYPE65535", &num);
	ok(ret == KNOT_EOK, "get TYPE65535 num ret");
	ok(num == 65535, "get TYPE65535 num");

	// 20. TYPE65536
	ret = knot_rrtype_from_string("TYPE65536", &num);
	ok(ret == KNOT_ENOTYPE, "get TYPE65536 num ret");

	// String to class num:
	// 21. In
	ret = knot_rrclass_from_string("In", &num);
	ok(ret == KNOT_EOK, "get In num ret");
	ok(num == 1, "get In num");
	ret = knot_rrclass_from_string("Internet", &num);
	ok(ret == KNOT_EOK, "get In num ret");
	ok(num == 1, "get In num");

	// 22. ANY
	ret = knot_rrclass_from_string("ANY", &num);
	ok(ret == KNOT_EOK, "get ANY num ret");
	ok(num == 255, "get ANY num");

	// 23. ""
	ret = knot_rrclass_from_string("", &num);
	ok(ret == KNOT_ENOCLASS, "get "" num ret");

	// 24. DUMMY
	ret = knot_rrclass_from_string("DUMMY", &num);
	ok(ret == KNOT_ENOCLASS, "get DUMMY num ret");

	// 25. CLass33
	ret = knot_rrclass_from_string("CLass33", &num);
	ok(ret == KNOT_EOK, "get CLass33 num ret");
	ok(num == 33, "get CLass33 num");

	// 26. CLASS
	ret = knot_rrclass_from_string("CLASS", &num);
	ok(ret == KNOT_ENOCLASS, "get CLASS num ret");

	// 27. CLASS0
	ret = knot_rrclass_from_string("CLASS0", &num);
	ok(ret == KNOT_EOK, "get CLASS0 num ret");
	ok(num == 0, "get CLASS0 num");

	// 28. CLASS65535
	ret = knot_rrclass_from_string("CLASS65535", &num);
	ok(ret == KNOT_EOK, "get CLASS65535 num ret");
	ok(num == 65535, "get CLASS65535 num");

	// 29. CLASS65536
	ret = knot_rrclass_from_string("CLASS65536", &num);
	ok(ret == KNOT_ENOCLASS, "get CLASS65536 num ret");

	// Get obsolete descriptor:
	// 30. TYPE0
	descr = knot_get_obsolete_rdata_descriptor(0);
	ok(descr->type_name == 0, "get TYPE0 descriptor name");
	ok(descr->block_types[0] == KNOT_RDATA_WF_REMAINDER,
	   "get TYPE0 descriptor 1. item type");
	ok(descr->block_types[1] == KNOT_RDATA_WF_END,
	   "get TYPE0 descriptor 2. item type");

	// 31. MD
	descr = knot_get_obsolete_rdata_descriptor(3);
	ok(strcmp(descr->type_name, "MD") == 0, "get MD descriptor name");
	ok(descr->block_types[0] == KNOT_RDATA_WF_DECOMPRESSIBLE_DNAME,
	   "get A descriptor 1. item type");
	ok(descr->block_types[1] == KNOT_RDATA_WF_END,
	   "get A descriptor 2. item type");

	// 32. NXT
	descr = knot_get_obsolete_rdata_descriptor(30);
	ok(strcmp(descr->type_name, "NXT") == 0, "get NXT descriptor name");
	ok(descr->block_types[0] == KNOT_RDATA_WF_DECOMPRESSIBLE_DNAME,
	   "get CNAME descriptor 1. item type");
	ok(descr->block_types[1] == KNOT_RDATA_WF_REMAINDER,
	   "get CNAME descriptor 2. item type");
	ok(descr->block_types[2] == KNOT_RDATA_WF_END,
	   "get CNAME descriptor 3. item type");

	// 33. TYPE38 (A6)
	descr = knot_get_obsolete_rdata_descriptor(38);
	ok(descr->type_name == 0, "get TYPE38 descriptor name");
	ok(descr->block_types[0] == KNOT_RDATA_WF_REMAINDER,
	   "get TYPE38 descriptor 1. item type");
	ok(descr->block_types[1] == KNOT_RDATA_WF_END,
	   "get TYPE38 descriptor 2. item type");

	// knot_rrtype_to_string NULL output buffer
	ret = knot_rrtype_to_string(1, NULL, 0);
	ok(ret == KNOT_EINVAL, "knot_rrtype_to_string: NULL output buffer");

	// knot_rrclass_to_string NULL output buffer
	ret = knot_rrclass_to_string(1, NULL, 0);
	ok(ret == KNOT_EINVAL, "knot_rrclass_to_string: NULL output buffer");

	char dummy_buf[1] = { 0 };
	// knot_rrtype_to_string invalid output buffer size
	ret = knot_rrtype_to_string(1, dummy_buf, 1);
	ok(ret == KNOT_ESPACE, "knot_rrtype_to_string: invalid output buffer size");

	// knot_rrclass_to_string invalid output buffer size
	ret = knot_rrclass_to_string(1, dummy_buf, 1);
	ok(ret == KNOT_ESPACE, "knot_rrclass_to_string: invalid output buffer size");

	// knot_rrtype_is_metatype
	ok(knot_rrtype_is_metatype(0) == 0,
	   "rrtype is not metatype");
	ok(knot_rrtype_is_metatype(KNOT_RRTYPE_SIG) != 0,
	   "rrtype is SIG");
	ok(knot_rrtype_is_metatype(KNOT_RRTYPE_OPT) != 0,
	   "rrtype is OPT");
	ok(knot_rrtype_is_metatype(KNOT_RRTYPE_TKEY) != 0,
	   "rrtype is TKEY");
	ok(knot_rrtype_is_metatype(KNOT_RRTYPE_TSIG) != 0,
	   "rrtype is TSIG");
	ok(knot_rrtype_is_metatype(KNOT_RRTYPE_IXFR) != 0,
	   "rrtype is IXFR");
	ok(knot_rrtype_is_metatype(KNOT_RRTYPE_AXFR) != 0,
	   "rrtype is AXFR");
	ok(knot_rrtype_is_metatype(KNOT_RRTYPE_ANY) != 0,
	   "rrtype is ANY");

	// knot_rrtype_is_dnssec
	ok(knot_rrtype_is_dnssec(0) == 0,
	   "rrtype is not DNSSEC");
	ok(knot_rrtype_is_dnssec(KNOT_RRTYPE_DNSKEY) != 0,
	   "rrtype is DNSKEY");
	ok(knot_rrtype_is_dnssec(KNOT_RRTYPE_RRSIG) != 0,
	   "rrtype is RRSIG");
	ok(knot_rrtype_is_dnssec(KNOT_RRTYPE_NSEC) != 0,
	   "rrtype is NSEC");
	ok(knot_rrtype_is_dnssec(KNOT_RRTYPE_NSEC3) != 0,
	   "rrtype is NSEC3");
	ok(knot_rrtype_is_dnssec(KNOT_RRTYPE_NSEC3PARAM) != 0,
	   "rrtype is NSEC3PARAM");
	ok(knot_rrtype_is_dnssec(KNOT_RRTYPE_CDNSKEY) != 0,
	   "rrtype is CDNSKEY");

	// knot_rrtype_additional_needed
	ok(knot_rrtype_additional_needed(0) == 0,
	   "rrtype is not additional needed");
	ok(knot_rrtype_additional_needed(KNOT_RRTYPE_NS) != 0,
	   "rrtype is NS");
	ok(knot_rrtype_additional_needed(KNOT_RRTYPE_MX) != 0,
	   "rrtype is MX");
	ok(knot_rrtype_additional_needed(KNOT_RRTYPE_SRV) != 0,
	   "rrtype is SRV");

	// knot_rrtype_should_be_lowercased
	ok(knot_rrtype_should_be_lowercased(0) == 0,
	   "rrtype should not be lowercased");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_NS) != 0,
	   "rrtype is NS");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_MD) != 0,
	   "rrtype is MD");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_MF) != 0,
	   "rrtype is MF");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_CNAME) != 0,
	   "rrtype is CNAME");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_SOA) != 0,
	   "rrtype is SOA");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_MB) != 0,
	   "rrtype is MB");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_MG) != 0,
	   "rrtype is MG");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_MR) != 0,
	   "rrtype is MR");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_PTR) != 0,
	   "rrtype is PTR");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_MINFO) != 0,
	   "rrtype is MINFO");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_MX) != 0,
	   "rrtype is MX");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_RP) != 0,
	   "rrtype is RP");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_AFSDB) != 0,
	   "rrtype is AFSDB");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_RT) != 0,
	   "rrtype is RT");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_SIG) != 0,
	   "rrtype is SIG");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_PX) != 0,
	   "rrtype is PX");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_NXT) != 0,
	   "rrtype is NXT");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_NAPTR) != 0,
	   "rrtype is NAPTR");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_KX) != 0,
	   "rrtype is KX");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_SRV) != 0,
	   "rrtype is SRV");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_DNAME) != 0,
	   "rrtype is DNAME");
	ok(knot_rrtype_should_be_lowercased(KNOT_RRTYPE_RRSIG) != 0,
	   "rrtype is RRSIG");

	ret = knot_opt_code_to_string(0, name, BUF_LEN);
	ok(ret != -1 && strcmp(name, "CODE0") == 0, "opt to str, code 0");
	ret = knot_opt_code_to_string(10, name, BUF_LEN);
	ok(ret != -1 && strcmp(name, "COOKIE") == 0, "opt to str, code 10");
	ret = knot_opt_code_to_string(65535, name, BUF_LEN);
	ok(ret != -1 && strcmp(name, "CODE65535") == 0, "opt to str, code 65535");

	return 0;
}