#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>

#include "config.h"
#include "mining_loop.h"

static void usage(const char *prog) {
    fprintf(stderr, "Uso: %s [--config miner.conf] [--worker-idx N] [--extranonce2 HEX]\n", prog);
}

int main(int argc, char **argv) {
    const char *config_path = "miner.conf";
    int worker_idx = 0;
    const char *ex2_override = NULL;
    MinerConfig cfg;
    int i;

    for (i = 1; i < argc; i++) {
        if (strcmp(argv[i], "--config") == 0 && i + 1 < argc) {
            config_path = argv[++i];
            continue;
        }
        if (strcmp(argv[i], "--worker-idx") == 0 && i + 1 < argc) {
            worker_idx = atoi(argv[++i]);
            continue;
        }
        if (strcmp(argv[i], "--extranonce2") == 0 && i + 1 < argc) {
            ex2_override = argv[++i];
            continue;
        }

        usage(argv[0]);
        return 1;
    }

    if (config_load(config_path, &cfg) == 0) {
        return 1;
    }

    if (ex2_override != NULL) {
        snprintf(cfg.extranonce2, sizeof(cfg.extranonce2), "%s", ex2_override);
    }

    srand((unsigned int)(time(NULL) ^ getpid()));

    return run_mining_loop(&cfg, worker_idx, cfg.extranonce2, -1);
}