import {
    wireguardInterface,
    wireguardPeer
} from "../models.mjs";

import path from "node:path";
import file from "node:fs";
import ejs from "ejs";


const serverTemplatePath = path.join(process.cwd(), 'templates', 'wg_server.ejs');
const clientTemplatePath = path.join(process.cwd(), 'templates', 'wg_client.ejs');


export async function generateInterfaceConfig(interfaceId) {
    const ifData = Object.values(wireguardInterface.getAll()).find(fi => fi.id == interfaceId);
    const peerList = Object.values(wireguardPeer.getAll()).filter(fi => fi.interface == interfaceId);

    let configData = await ejs.renderFile(
        serverTemplatePath,
        {
            interface: ifData,
            peerList
        },
        {
            async: true
        }
    );

    file.writeFileSync(
        path.join(process.cwd(), 'data', 'wireguard', `${ifData.ifName}.conf`),
        configData
    )
}