#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include "rifle/state.h"
#include "rifle/parser.h"

/* Compiler version */
#define RIFLE_VERSION "0.0.1"

static void
help(void)
{
    printf(
        "The Rifle compiler - rack, bang bang\n"
        "------------------------------------\n"
        "[-h] Display this help menu\n"
        "[-v] Display the version\n"
    );
}

static void
version(void)
{
    printf(
        "The Rifle compiler - rack, bang bang\n"
        "------------------------------------\n"
        "Copyright (c) 2026, Ian Moffett\n"
        "Version v%s\n",
        RIFLE_VERSION
    );
}

static int
compile(const char *in_path)
{
    struct rifle_state state;

    if (rifle_state_init(&state, in_path) < 0) {
        return -1;
    }

    for (int i = 0; i < 2; ++i) {
        if (parser_parse(&state) < 0) {
            rifle_state_destroy(&state);
            return -1;
        }
    }

    rifle_state_destroy(&state);
    return 0;
}

int
main(int argc, char **argv)
{
    size_t files_compiled = 0;
    int opt;

    /* Begin parsing command line options */
    while ((opt = getopt(argc, argv, "hv")) != -1) {
        switch (opt) {
        case 'h':
            help();
            return -1;
        case 'v':
            version();
            return -1;
        }
    }

    while (optind < argc) {
        ++files_compiled;
        if (compile(argv[optind++]) < 0) {
            break;
        }
    }

    if (files_compiled == 0) {
        printf("fatal: no input files\n");
        return -1;
    }

    return 0;
}