#include <sys/stat.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>

#include "empack.h"

#define USAGE                                                          \
"empack_cli [OPTIONS] <file | msgpack hex>\r\n"                        \
"    file: File to read binary Msgpack data from, \"-\" for stdin\r\n" \
"    msgpack hex: Hex string of Msgpack data\r\n"                      \
"\r\n"                                                                 \
"OPTIONS\r\n"                                                          \
"    -h/--help: Print this message\r\n"

static void
print_func(const char *buf, uint32_t buflen, void *arg)
{
    printf("%.*s", buflen, buf);
}

int
main(int argc, char **argv)
{
    const uint8_t input[] = { 0x82, 0xa7, 0x63, 0x6f, 0x6d, 0x70, 0x61, 0x63, 0x74, 0xc3, 0xa6, 0x73, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x00 };
    size_t input_len = sizeof(input);
    empack_t empack;
    uint8_t arena[256];
    uint32_t chars_printed;

    empack_init(&empack, arena, sizeof(arena));

    if (empack_parse(&empack, input, input_len)) {
        fprintf(stderr, "Parsing error\r\n");
        return (-1);
    }

    chars_printed = empack_print(&empack, print_func, NULL, "  ");
    printf("\r\n-- Stats --\r\n"
           "Characters Printed: %u\r\n"
           "Arena Memory Used:  %u/%uB (%u%%)\r\n"
           "-----------\r\n",
           chars_printed,
           empack.arena_used,
           empack.arena_sz,
           (empack.arena_used * 100) / empack.arena_sz);

    return (0);
}