#include <stdio.h>
#include <string.h>
#if defined(TEST_TARGET_intl)
#include <varch/command.h>
#include <varch/unitt.h>
#include <varch/intl.h>
#else  
#include "init.h"
#include "command.h"
#include "unitt.h"
#include "kern.h"
#include "intl.h"
#endif

/************************************************************************************/
/************************************* Unit Test ************************************/
/************************************************************************************/

// #define EXIT_TEST
extern uint64_t unitt_clock(void);

static int test_0(void)
{
    for (int i = 0; i < 100; i++)
    {
        if (0) 
        {
            
            #if defined (EXIT_TEST)
            exit(0);
            #endif 
            return UNITT_E_FAIL;
        }
    }
    
    return UNITT_E_OK;
}

static void unitt_task(void)
{
    static UNITT_TCASE rand_tests[] = {
        UNITT_TCASE(test_0),
        // UNITT_TCASE(test_1),
        // UNITT_TCASE(test_2),
    };

    static UNITT suites[] = {
        { "xxx suite", rand_tests, sizeof(rand_tests) / sizeof(rand_tests[0]) , unitt_clock },
    };

    UNITT_EXE(suites);
}

/************************************************************************************/
/************************************* Base Test ************************************/
/************************************************************************************/

#define INTL_P_DEC                      0x01
#define INTL_P_BIN                      0x02
#define INTL_P_HEX                      0x04

static void print_intl(intl a, uint8_t type) 
{
    char buffer[INTL_MAX_BIN];
    if (type & INTL_P_DEC) printf("intl (decimal): %s\n", intl_sdec(a, buffer));
    if (type & INTL_P_HEX) printf("intl (hex): %s\n", intl_shex(a, buffer));
    if (type & INTL_P_BIN) printf("intl (bin): %s\n", intl_sbin(a, buffer));
}

static void test_define(void)
{
    intl a = intl(0);
    intl b = intl(10);
    intl c = intl(-10);
    intl d = intl(0xFF);

    intl e = intl_from("0");
    intl f = intl_from("100");
    intl g = intl_from("-100");
    intl h = intl_from("123456789123456789123456789");
    intl i = intl_from("0b1110000001111100101010100");
    intl j = intl_from("0o1236541236763210233642166");
    intl k = intl_from("0xF125E3F6D743648EEFFF12356");

    intl max = INTL_MAX;
    intl min = INTL_MIN;
    intl n0 = INTL_ZERO;
}

static void test_print(void)
{
    intl a = intl_from("123456789123456789123456789");

    print_intl(a, INTL_P_DEC);
    print_intl(a, INTL_P_BIN);
    print_intl(a, INTL_P_HEX);
}

static void test_calculate(void)
{
    intl a = intl_from("123456789123456789123456789");
    intl b = intl_from("987654321987654321987654321");

    printf("a: \r\n");
    print_intl(a, INTL_P_DEC);
    printf("b: \r\n");
    print_intl(b, INTL_P_DEC);

    printf("a + b: \r\n");
    print_intl(intl_add(a, b), INTL_P_DEC);

    printf("a - b: \r\n");
    print_intl(intl_sub(a, b), INTL_P_DEC);

    printf("a * b: \r\n");
    print_intl(intl_mul(a, b), INTL_P_DEC);

    printf("b / a: \r\n");
    print_intl(intl_div(b, a), INTL_P_DEC);

    printf("b %% a: \r\n");
    print_intl(intl_mod(b, a), INTL_P_DEC);

    printf("a & b: \r\n");
    print_intl(intl_and(a, b), INTL_P_DEC);

    printf("a | b: \r\n");
    print_intl(intl_or(a, b), INTL_P_DEC);

    printf("a ^ b: \r\n");
    print_intl(intl_xor(a, b), INTL_P_DEC);

    printf("~a: \r\n");
    print_intl(intl_not(a), INTL_P_DEC);

    printf("a << 1: \r\n");
    print_intl(intl_shl(a, 1), INTL_P_DEC);

    printf("b >> 1: \r\n");
    print_intl(intl_shr(b, 1), INTL_P_DEC);

    printf("compare: %d\r\n", intl_cmp(a, b));

    printf("a incremented: \r\n");
    print_intl(intl_inc(a), INTL_P_DEC);

    printf("b decremented: \r\n");
    print_intl(intl_dec(b), INTL_P_DEC);
}

static void test_base(void)
{
    // test_define();
    // test_print();
    test_calculate();
}

/************************************************************************************/
/*************************************  Command  ************************************/
/************************************************************************************/

static void usage(void)
{
    printf(
"Usage: intl [opt] [arg] ...\n"
"\n"
"options:\n"
"    -e <execute>        Specifies the function to execute, the default is the <base> test\n"
"                        <base>      Test base function\n"
"                        <ut>        Unit test\n"
"    -h                  Print help\n"
"    -v                  Print version\n"
"    -u [<period>]       Unit test period, unit ms, the default is 1000ms\n"
"\n"

    );
}

static int test(int argc, char *argv[])
{
    char *execute = NULL;
    int ut_period = 1000;

    /* reset getopt */
    command_opt_init();

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

        switch (opt) 
        {
        case 'u' :
            if (command_optarg) ut_period = atoi(command_optarg);
            break;
        case 'e' :
            execute = command_optarg;
            break;
        case 'v' :
            printf("intl version %d.%d.%d\r\n", INTL_V_MAJOR, INTL_V_MINOR, INTL_V_PATCH);
            return 0;
        case '?':
            printf("Unknown option `%c`\r\n", command_optopt);
            return -1;
        case 'h' : 
        default:
            usage();
            return 0;
        }
    }

    if (execute)
    {
        if (!strcmp(execute, "base"))
        {
            test_base();
        }
        else if (!strcmp(execute, "ut"))
        {
            srand((unsigned int)time(NULL));
            #if defined(TEST_TARGET_intl)
            while (1)
            {
                unitt_task();
                usleep(1000 * ut_period);
            }
            #else  
            printf("create task %d\r\n", task_create(ut_period, unitt_task));
            #endif
        }
    }
    else  
    {
        test_base();
    }
    
    return 0;
}

/************************************************************************************/
/************************************ Test entry ************************************/
/************************************************************************************/

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