#include <unity.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <mm_malloc.h>

#include "options.h"
#include "algo/cryptonight/cryptonight.h"

bool opt_double_hash = false;
enum mining_algo opt_algo = ALGO_CRYPTONIGHT_LITE;

const static char input1[152] = {
    0x03, 0x05, 0xA0, 0xDB, 0xD6, 0xBF, 0x05, 0xCF, 0x16, 0xE5, 0x03, 0xF3, 0xA6, 0x6F, 0x78, 0x00,
    0x7C, 0xBF, 0x34, 0x14, 0x43, 0x32, 0xEC, 0xBF, 0xC2, 0x2E, 0xD9, 0x5C, 0x87, 0x00, 0x38, 0x3B,
    0x30, 0x9A, 0xCE, 0x19, 0x23, 0xA0, 0x96, 0x4B, 0x00, 0x00, 0x00, 0x08, 0xBA, 0x93, 0x9A, 0x62,
    0x72, 0x4C, 0x0D, 0x75, 0x81, 0xFC, 0xE5, 0x76, 0x1E, 0x9D, 0x8A, 0x0E, 0x6A, 0x1C, 0x3F, 0x92,
    0x4F, 0xDD, 0x84, 0x93, 0xD1, 0x11, 0x56, 0x49, 0xC0, 0x5E, 0xB6, 0x01,
    0x01, 0x00, 0xFB, 0x8E, 0x8A, 0xC8, 0x05, 0x89, 0x93, 0x23, 0x37, 0x1B, 0xB7, 0x90, 0xDB, 0x19,
    0x21, 0x8A, 0xFD, 0x8D, 0xB8, 0xE3, 0x75, 0x5D, 0x8B, 0x90, 0xF3, 0x9B, 0x3D, 0x55, 0x06, 0xA9,
    0xAB, 0xCE, 0x4F, 0xA9, 0x12, 0x24, 0x45, 0x00, 0x00, 0x00, 0x00, 0xEE, 0x81, 0x46, 0xD4, 0x9F,
    0xA9, 0x3E, 0xE7, 0x24, 0xDE, 0xB5, 0x7D, 0x12, 0xCB, 0xC6, 0xC6, 0xF3, 0xB9, 0x24, 0xD9, 0x46,
    0x12, 0x7C, 0x7A, 0x97, 0x41, 0x8F, 0x93, 0x48, 0x82, 0x8F, 0x0F, 0x02,
};


void cryptonight_av1_aesni(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx)          {}
void cryptonight_av2_aesni_double(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx)   {}
void cryptonight_av3_softaes(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx)        {}
void cryptonight_av4_softaes_double(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx) {}

void cryptonight_lite_av1_aesni(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx);
void cryptonight_lite_av2_aesni_double(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx);
void cryptonight_lite_av3_softaes(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx);
void cryptonight_lite_av4_softaes_double(const void* input, size_t size, void* output, struct cryptonight_ctx* ctx);


static char hash[64];
#define RESULT1        "3695b4b53bb00358b0ad38dc160feb9e004eece09b83a72ef6ba9864d3510c88"
#define RESULT1_DOUBLE "3695b4b53bb00358b0ad38dc160feb9e004eece09b83a72ef6ba9864d3510c8828a22bad3f93d1408fca472eb5ad1cbe75f21d053c8ce5b3af105a57713e21dd"


static char *bin2hex(const unsigned char *p, size_t len)
{
    char *s = malloc((len * 2) + 1);
    if (!s) {
        return NULL;
    }

    for (int i = 0; i < len; i++) {
        sprintf(s + (i * 2), "%02x", (unsigned int) p[i]);
    }

    return s;
}


static void * create_ctx(int ratio) {
    struct cryptonight_ctx *ctx = (struct cryptonight_ctx*) _mm_malloc(sizeof(struct cryptonight_ctx), 16);
    ctx->memory = (uint8_t *) _mm_malloc(MEMORY_LITE * ratio, 16);

    return ctx;
}


static void free_ctx(struct cryptonight_ctx *ctx) {
    _mm_free(ctx->memory);
    _mm_free(ctx);
}


void test_cryptonight_lite_av1_should_CalcHash(void) {
    struct cryptonight_ctx *ctx = (struct cryptonight_ctx*) create_ctx(1);

    cryptonight_lite_av1_aesni(input1, 76, &hash, ctx);
    TEST_ASSERT_EQUAL_STRING(RESULT1, bin2hex(hash, 32));

    free_ctx(ctx);
}


void test_cryptonight_lite_av2_should_CalcHash(void)
{
    struct cryptonight_ctx *ctx = (struct cryptonight_ctx*) create_ctx(2);

    cryptonight_lite_av2_aesni_double(input1, 76, &hash, ctx);
    TEST_ASSERT_EQUAL_STRING(RESULT1_DOUBLE, bin2hex(hash, 64));

    free_ctx(ctx);
}


void test_cryptonight_lite_av3_should_CalcHash(void) {
    struct cryptonight_ctx *ctx = (struct cryptonight_ctx*) create_ctx(1);

    cryptonight_lite_av3_softaes(input1, 76, &hash, ctx);
    TEST_ASSERT_EQUAL_STRING(RESULT1, bin2hex(hash, 32));

    free_ctx(ctx);
}


void test_cryptonight_lite_av4_should_CalcHash(void)
{
    struct cryptonight_ctx *ctx = (struct cryptonight_ctx*) create_ctx(2);

    cryptonight_lite_av4_softaes_double(input1, 76, &hash, ctx);
    TEST_ASSERT_EQUAL_STRING(RESULT1_DOUBLE, bin2hex(hash, 64));

    free_ctx(ctx);
}


int main(void)
{
    UNITY_BEGIN();

    RUN_TEST(test_cryptonight_lite_av1_should_CalcHash);
    RUN_TEST(test_cryptonight_lite_av2_should_CalcHash);
    RUN_TEST(test_cryptonight_lite_av3_should_CalcHash);
    RUN_TEST(test_cryptonight_lite_av4_should_CalcHash);

    return UNITY_END();
}