#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <float.h>
#include <math.h>
#if defined(TEST_TARGET_hash)
#include <varch/command.h>
#include <varch/hash.h>
#else  
#include "init.h"
#include "command.h"
#include "hash.h"
#endif

static void usage(void)
{
    printf(
"Usage: hash [opt] [arg]\n"
"\n"
"options:\n"
"    -h                  Print help\n"
"    -v                  Print version\n"
"\n"
"argument:\n"
"    <read>              Test default read function\n"
"    <write>             Test default write function\n"
    );
}

static int test(int argc, char *argv[])
{
    /* reset getopt */
    command_opt_init();

    while (1)
    {
        int opt = command_getopt(argc, argv, "hv");
        if (opt == -1) break;

        switch (opt) 
        {
        case 'v' :
            printf("hash version %d.%d.%d\r\n", HASH_V_MAJOR, HASH_V_MINOR, HASH_V_PATCH);
            return 0;
        case '?':
            printf("Unknown option `%c`\r\n", command_optopt);
            return -1;
        case 'h' : 
        default:
            usage();
            return 0;
        }
    }

    printf("hash_bkdr 0x%X\r\n", hash_bkdr("Hello", 5));
    printf("hash_ap 0x%X\r\n", hash_ap("Hello", 5));
    printf("hash_djb 0x%X\r\n", hash_djb("Hello", 5));
    printf("hash_js 0x%X\r\n", hash_js("Hello", 5));
    printf("hash_rs 0x%X\r\n", hash_rs("Hello", 5));
    printf("hash_sdbm 0x%X\r\n", hash_sdbm("Hello", 5));
    printf("hash_pjw 0x%X\r\n", hash_pjw("Hello", 5));
    printf("hash_elf 0x%X\r\n", hash_elf("Hello", 5));
    printf("hash_dek 0x%X\r\n", hash_dek("Hello", 5));
    printf("hash_bp 0x%X\r\n", hash_bp("Hello", 5));
    printf("hash_fnv 0x%X\r\n", hash_fnv("Hello", 5));
    printf("hash_jdk6 0x%X\r\n", hash_jdk6("Hello", 5));
    
    return 0;
}

#if defined(TEST_TARGET_hash)
int main(int argc, char *argv[])
{
    return test(argc, argv);
}
#else 
void test_hash(void)
{
    command_export("hash", test);
}
init_export_app(test_hash);
#endif