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/*
 * Copyright (c) 2022 Egor Tensin <egor@tensin.name>
 * This file is part of the "cimple" project.
 * For details, see https://github.com/egor-tensin/cimple.
 * Distributed under the MIT License.
 */

#include "cmd_line.h"
#include "const.h"
#include "log.h"
#include "server.h"

#include <getopt.h>
#include <unistd.h>

static struct settings default_settings(void) {
    struct settings settings = {
        .port = default_port,
        .sqlite_path = default_sqlite_path,
    };
    return settings;
}

const char* get_usage_string(void) {
    return "[-h|--help] [-V|--version] [-v|--verbose] [-p|--port PORT] [-s|--sqlite PATH]";
}

static int parse_settings(struct settings* settings, int argc, char* argv[]) {
    int opt, longind;

    *settings = default_settings();

    /* clang-format off */
	static struct option long_options[] = {
	    {"help", no_argument, 0, 'h'},
	    {"version", no_argument, 0, 'V'},
	    {"verbose", no_argument, 0, 'v'},
	    {"port", required_argument, 0, 'p'},
	    {"sqlite", required_argument, 0, 's'},
	    {0, 0, 0, 0},
	};
    /* clang-format on */

    while ((opt = getopt_long(argc, argv, "hVvp:s:", long_options, &longind)) != -1) {
        switch (opt) {
            case 'h':
                exit_with_usage(0);
                break;
            case 'V':
                exit_with_version();
                break;
            case 'v':
                g_log_lvl = LOG_LVL_DEBUG;
                break;
            case 'p':
                settings->port = optarg;
                break;
            case 's':
                settings->sqlite_path = optarg;
                break;
            default:
                exit_with_usage(1);
                break;
        }
    }

    return 0;
}

int main(int argc, char* argv[]) {
    struct settings settings;
    struct server* server = NULL;
    int ret = 0;

    ret = parse_settings(&settings, argc, argv);
    if (ret < 0)
        return ret;

    ret = server_create(&server, &settings);
    if (ret < 0)
        return ret;

    ret = server_main(server);
    if (ret < 0)
        goto destroy_server;

destroy_server:
    server_destroy(server);

    return ret;
}