import { AppData } from "@/src/data/app-data";
import deriveWireguardInterfaceName from "@/src/utils/derive-wireguard-interface-name";
import type { BUN_SQLITE_WGUI_HOSTS_JOIN, BUN_SQLITE_WGUI_CLIENTS_JOIN } from "@/src/types/sql-joins";

type Params = {
    host?: BUN_SQLITE_WGUI_HOSTS_JOIN;
    clients?: BUN_SQLITE_WGUI_CLIENTS_JOIN[];
};

export default function deriveHostConfig({ host, clients }: Params) {
    const host_id = host?.id || AppData["WireguardMainHostID"];

    const wg_ip_address = host?.wg_ip_address;
    const public_key = host?.public_key;

    const interface_name = deriveWireguardInterfaceName({ host_id });

    // const HOST_CONFIG_DIR = path.join(
    //     WGUI_LIB_HOSTS_CONFIGS_DIR,
    //     String(host_id),
    // );

    // const HOST_CLIENTS_DIR = path.join(
    //     HOST_CONFIG_DIR,
    //     WGUI_LIB_HOST_CLIENTS_DIR_NAME,
    // );

    // const HOST_IPTABLES_DIR = path.join(
    //     HOST_CONFIG_DIR,
    //     WGUI_LIB_HOST_IPTABLES_DIR_NAME,
    // );

    // const HOST_CONFIG_FILE = path.join(
    //     HOST_CONFIG_DIR,
    //     `${interface_name}.conf`,
    // );

    return {
        host_id,
        interface_name,
        config_path: host?.dir_names?.HOST_CONFIG_FILE,

        address: wg_ip_address ? `${wg_ip_address}/24` : undefined,
        listen_port: host?.listen_port || AppData["DefaultWGListenPort"],
        post_up: host?.dir_names?.POST_UP_PATH,
        post_down: host?.dir_names?.POST_DOWN_PATH,
        public_key: public_key,
        client_count:
            clients?.filter((client) => (client.host_id || 0) == host_id)
                .length || 0,
    };
}