#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <execinfo.h>
#include <sys/utsname.h>
#include "reporter.h"

#define MAX_FRAMES 64
#define BUFFER_SIZE 4096

char* get_stack_trace() {
    void *array[MAX_FRAMES];
    char **strings;
    int size, i;
    char *buffer = malloc(BUFFER_SIZE);
    if (!buffer) return NULL;
    buffer[0] = '\0';

    size = backtrace(array, MAX_FRAMES);
    strings = backtrace_symbols(array, size);

    if (strings != NULL) {
        for (i = 0; i < size; i++) {
            strncat(buffer, strings[i], BUFFER_SIZE - strlen(buffer) - 1);
            strncat(buffer, "\n", BUFFER_SIZE - strlen(buffer) - 1);
        }
        free(strings);
    }

    return buffer;
}

char* get_system_info() {
    struct utsname uname_data;
    char *buffer = malloc(BUFFER_SIZE);
    if (!buffer) return NULL;

    if (uname(&uname_data) != 0) {
        snprintf(buffer, BUFFER_SIZE, "Failed to get system info");
        return buffer;
    }

    snprintf(buffer, BUFFER_SIZE,
             "OS: %s\nNode: %s\nRelease: %s\nVersion: %s\nMachine: %s",
             uname_data.sysname,
             uname_data.nodename,
             uname_data.release,
             uname_data.version,
             uname_data.machine);

    return buffer;
}