#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if defined(TEST_TARGET_stack)
#include <varch/command.h>
#include <varch/stack.h>
#else  
#include "init.h"
#include "command.h"
#include "stack.h"
#endif

static void test_base(void) 
{
    stack_t stack = stack(int, 10);
    int i = 0;

    for (i = 0; i < stack_capacity(stack); i++)
    {
        stack_push(stack, &i);
    }
    stack_pop(stack, NULL);
    stack_pop(stack, NULL);
    for (i = 0; i < stack_size(stack); i++)
    {
        printf("stack[%d] = %d\r\n", i, stack_at(stack, int, i));
    }

    _stack(stack);
}

static void usage(void)
{
    printf(
"Usage: stack [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("stack version %d.%d.%d\r\n", STACK_V_MAJOR, STACK_V_MINOR, STACK_V_PATCH);
            return 0;
        case '?':
            printf("Unknown option `%c`\r\n", command_optopt);
            return -1;
        case 'h' : 
        default:
            usage();
            return 0;
        }
    }

    test_base();
    
    return 0;
}

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