#include <stdio.h>

#include <winpr/string.h>
#include <winpr/bcrypt.h>

#define STR(x) #x

static BOOL test_wchar_len(void)
{
	struct test_case
	{
		size_t bytelen;
		const char* name;
		const WCHAR* value;
	};

	const struct test_case test_cases[] = {
		{ sizeof(BCRYPT_RSA_ALGORITHM), STR(BCRYPT_RSA_ALGORITHM), BCRYPT_RSA_ALGORITHM },
		{ sizeof(BCRYPT_RSA_SIGN_ALGORITHM), STR(BCRYPT_RSA_SIGN_ALGORITHM),
		  BCRYPT_RSA_SIGN_ALGORITHM },
		{ sizeof(BCRYPT_DH_ALGORITHM), STR(BCRYPT_DH_ALGORITHM), BCRYPT_DH_ALGORITHM },
		{ sizeof(BCRYPT_DSA_ALGORITHM), STR(BCRYPT_DSA_ALGORITHM), BCRYPT_DSA_ALGORITHM },
		{ sizeof(BCRYPT_RC2_ALGORITHM), STR(BCRYPT_RC2_ALGORITHM), BCRYPT_RC2_ALGORITHM },
		{ sizeof(BCRYPT_RC4_ALGORITHM), STR(BCRYPT_RC4_ALGORITHM), BCRYPT_RC4_ALGORITHM },
		{ sizeof(BCRYPT_AES_ALGORITHM), STR(BCRYPT_AES_ALGORITHM), BCRYPT_AES_ALGORITHM },
		{ sizeof(BCRYPT_DES_ALGORITHM), STR(BCRYPT_DES_ALGORITHM), BCRYPT_DES_ALGORITHM },
		{ sizeof(BCRYPT_DESX_ALGORITHM), STR(BCRYPT_DESX_ALGORITHM), BCRYPT_DESX_ALGORITHM },
		{ sizeof(BCRYPT_3DES_ALGORITHM), STR(BCRYPT_3DES_ALGORITHM), BCRYPT_3DES_ALGORITHM },
		{ sizeof(BCRYPT_3DES_112_ALGORITHM), STR(BCRYPT_3DES_112_ALGORITHM),
		  BCRYPT_3DES_112_ALGORITHM },
		{ sizeof(BCRYPT_MD2_ALGORITHM), STR(BCRYPT_MD2_ALGORITHM), BCRYPT_MD2_ALGORITHM },
		{ sizeof(BCRYPT_MD4_ALGORITHM), STR(BCRYPT_MD4_ALGORITHM), BCRYPT_MD4_ALGORITHM },
		{ sizeof(BCRYPT_MD5_ALGORITHM), STR(BCRYPT_MD5_ALGORITHM), BCRYPT_MD5_ALGORITHM },
		{ sizeof(BCRYPT_SHA1_ALGORITHM), STR(BCRYPT_SHA1_ALGORITHM), BCRYPT_SHA1_ALGORITHM },
		{ sizeof(BCRYPT_SHA256_ALGORITHM), STR(BCRYPT_SHA256_ALGORITHM), BCRYPT_SHA256_ALGORITHM },
		{ sizeof(BCRYPT_SHA384_ALGORITHM), STR(BCRYPT_SHA384_ALGORITHM), BCRYPT_SHA384_ALGORITHM },
		{ sizeof(BCRYPT_SHA512_ALGORITHM), STR(BCRYPT_SHA512_ALGORITHM), BCRYPT_SHA512_ALGORITHM },
		{ sizeof(BCRYPT_AES_GMAC_ALGORITHM), STR(BCRYPT_AES_GMAC_ALGORITHM),
		  BCRYPT_AES_GMAC_ALGORITHM },
		{ sizeof(BCRYPT_AES_CMAC_ALGORITHM), STR(BCRYPT_AES_CMAC_ALGORITHM),
		  BCRYPT_AES_CMAC_ALGORITHM },
		{ sizeof(BCRYPT_ECDSA_P256_ALGORITHM), STR(BCRYPT_ECDSA_P256_ALGORITHM),
		  BCRYPT_ECDSA_P256_ALGORITHM },
		{ sizeof(BCRYPT_ECDSA_P384_ALGORITHM), STR(BCRYPT_ECDSA_P384_ALGORITHM),
		  BCRYPT_ECDSA_P384_ALGORITHM },
		{ sizeof(BCRYPT_ECDSA_P521_ALGORITHM), STR(BCRYPT_ECDSA_P521_ALGORITHM),
		  BCRYPT_ECDSA_P521_ALGORITHM },
		{ sizeof(BCRYPT_ECDH_P256_ALGORITHM), STR(BCRYPT_ECDH_P256_ALGORITHM),
		  BCRYPT_ECDH_P256_ALGORITHM },
		{ sizeof(BCRYPT_ECDH_P384_ALGORITHM), STR(BCRYPT_ECDH_P384_ALGORITHM),
		  BCRYPT_ECDH_P384_ALGORITHM },
		{ sizeof(BCRYPT_ECDH_P521_ALGORITHM), STR(BCRYPT_ECDH_P521_ALGORITHM),
		  BCRYPT_ECDH_P521_ALGORITHM },
		{ sizeof(BCRYPT_RNG_ALGORITHM), STR(BCRYPT_RNG_ALGORITHM), BCRYPT_RNG_ALGORITHM },
		{ sizeof(BCRYPT_RNG_FIPS186_DSA_ALGORITHM), STR(BCRYPT_RNG_FIPS186_DSA_ALGORITHM),
		  BCRYPT_RNG_FIPS186_DSA_ALGORITHM },
		{ sizeof(BCRYPT_RNG_DUAL_EC_ALGORITHM), STR(BCRYPT_RNG_DUAL_EC_ALGORITHM),
		  BCRYPT_RNG_DUAL_EC_ALGORITHM },
// The following algorithms are only supported on windows 10 onward.
#if !defined(_WIN32) || _WIN32_WINNT >= 0x0A00
		{ sizeof(BCRYPT_ECDSA_ALGORITHM), STR(BCRYPT_ECDSA_ALGORITHM), BCRYPT_ECDSA_ALGORITHM },
		{ sizeof(BCRYPT_ECDH_ALGORITHM), STR(BCRYPT_ECDH_ALGORITHM), BCRYPT_ECDH_ALGORITHM },
		{ sizeof(BCRYPT_XTS_AES_ALGORITHM), STR(BCRYPT_XTS_AES_ALGORITHM),
		  BCRYPT_XTS_AES_ALGORITHM },
#endif

		{ sizeof(MS_PRIMITIVE_PROVIDER), STR(MS_PRIMITIVE_PROVIDER), MS_PRIMITIVE_PROVIDER },
		{ sizeof(MS_PLATFORM_CRYPTO_PROVIDER), STR(MS_PLATFORM_CRYPTO_PROVIDER),
		  MS_PLATFORM_CRYPTO_PROVIDER },
		{ sizeof(BCRYPT_OBJECT_LENGTH), STR(BCRYPT_OBJECT_LENGTH), BCRYPT_OBJECT_LENGTH },
		{ sizeof(BCRYPT_ALGORITHM_NAME), STR(BCRYPT_ALGORITHM_NAME), BCRYPT_ALGORITHM_NAME },
		{ sizeof(BCRYPT_PROVIDER_HANDLE), STR(BCRYPT_PROVIDER_HANDLE), BCRYPT_PROVIDER_HANDLE },
		{ sizeof(BCRYPT_CHAINING_MODE), STR(BCRYPT_CHAINING_MODE), BCRYPT_CHAINING_MODE },
		{ sizeof(BCRYPT_BLOCK_LENGTH), STR(BCRYPT_BLOCK_LENGTH), BCRYPT_BLOCK_LENGTH },
		{ sizeof(BCRYPT_KEY_LENGTH), STR(BCRYPT_KEY_LENGTH), BCRYPT_KEY_LENGTH },
		{ sizeof(BCRYPT_KEY_OBJECT_LENGTH), STR(BCRYPT_KEY_OBJECT_LENGTH),
		  BCRYPT_KEY_OBJECT_LENGTH },
		{ sizeof(BCRYPT_KEY_STRENGTH), STR(BCRYPT_KEY_STRENGTH), BCRYPT_KEY_STRENGTH },
		{ sizeof(BCRYPT_KEY_LENGTHS), STR(BCRYPT_KEY_LENGTHS), BCRYPT_KEY_LENGTHS },
		{ sizeof(BCRYPT_BLOCK_SIZE_LIST), STR(BCRYPT_BLOCK_SIZE_LIST), BCRYPT_BLOCK_SIZE_LIST },
		{ sizeof(BCRYPT_EFFECTIVE_KEY_LENGTH), STR(BCRYPT_EFFECTIVE_KEY_LENGTH),
		  BCRYPT_EFFECTIVE_KEY_LENGTH },
		{ sizeof(BCRYPT_HASH_LENGTH), STR(BCRYPT_HASH_LENGTH), BCRYPT_HASH_LENGTH },
		{ sizeof(BCRYPT_HASH_OID_LIST), STR(BCRYPT_HASH_OID_LIST), BCRYPT_HASH_OID_LIST },
		{ sizeof(BCRYPT_PADDING_SCHEMES), STR(BCRYPT_PADDING_SCHEMES), BCRYPT_PADDING_SCHEMES },
		{ sizeof(BCRYPT_SIGNATURE_LENGTH), STR(BCRYPT_SIGNATURE_LENGTH), BCRYPT_SIGNATURE_LENGTH },
		{ sizeof(BCRYPT_HASH_BLOCK_LENGTH), STR(BCRYPT_HASH_BLOCK_LENGTH),
		  BCRYPT_HASH_BLOCK_LENGTH },
		{ sizeof(BCRYPT_AUTH_TAG_LENGTH), STR(BCRYPT_AUTH_TAG_LENGTH), BCRYPT_AUTH_TAG_LENGTH },
		{ sizeof(BCRYPT_PRIMITIVE_TYPE), STR(BCRYPT_PRIMITIVE_TYPE), BCRYPT_PRIMITIVE_TYPE },
		{ sizeof(BCRYPT_IS_KEYED_HASH), STR(BCRYPT_IS_KEYED_HASH), BCRYPT_IS_KEYED_HASH },
		{ sizeof(BCRYPT_KEY_DATA_BLOB), STR(BCRYPT_KEY_DATA_BLOB), BCRYPT_KEY_DATA_BLOB }
	};

	BOOL rc = TRUE;
	for (size_t x = 0; x < ARRAYSIZE(test_cases); x++)
	{
		const struct test_case* cur = &test_cases[x];

		// sizeof(WCHAR) == 2, so all strings must have even byte length
		if (cur->bytelen % 2 != 0)
		{
			(void)fprintf(stderr, "[%s] invalid bytelength %" PRIuz, cur->name, cur->bytelen);
			rc = FALSE;
			continue;
		}

		// each string must be '\0' terminated
		const size_t len = _wcsnlen(cur->value, cur->bytelen / sizeof(WCHAR));
		if (len == cur->bytelen / sizeof(WCHAR))
		{
			(void)fprintf(stderr, "[%s] missing '\0' termination", cur->name);
			rc = FALSE;
			continue;
		}
	}

	return rc;
}

int TestBCryptDefine(int argc, char* argv[])
{
	WINPR_UNUSED(argc);
	WINPR_UNUSED(argv);

	if (!test_wchar_len())
		return -1;
	return 0;
}