import { spawn } from 'node:child_process';
import { existsSync, readFileSync } from 'node:fs';
import { join } from 'node:path';
import { serverInstallDir } from './paths.js';
const STEAMCMD_PATH = process.env.STEAMCMD_PATH || '/opt/steamcmd/steamcmd.sh';
const WINDROSE_APP_ID = Number(process.env.WINDROSE_APP_ID || '4129620');
function getSteamLoginArgs() {
    const username = process.env.STEAM_USERNAME;
    const password = process.env.STEAM_PASSWORD;
    const gslt = process.env.STEAM_GSLT;
    if (!username) {
        throw new Error("STEAM_USERNAME is required but not set.");
    }
    // Prefer GSLT if provided (safer for headless servers)
    if (gslt) {
        return ['+login', username, gslt];
    }
    if (!password) {
        throw new Error("STEAM_PASSWORD is required but not set (or provide STEAM_GSLT).");
    }
    return ['+login', username, password];
}
export function runSteamCmd(args) {
    // === ENV DEBUG START ===
    console.log("=== ENV DUMP START ===");
    console.log("STEAM_USERNAME =", process.env.STEAM_USERNAME);
    console.log("STEAM_PASSWORD =", process.env.STEAM_PASSWORD);
    console.log("STEAM_GSLT =", process.env.STEAM_GSLT);
    console.log("=== ENV DUMP END ===");
    // === ENV DEBUG END ===
    return new Promise((resolve, reject) => {
        const child = spawn(STEAMCMD_PATH, args, {
            env: process.env,
        });
        child.stdout.on('data', (d) => process.stdout.write(d));
        child.stderr.on('data', (d) => process.stderr.write(d));
        child.on('exit', (code) => {
            if (code === 0)
                resolve();
            else
                reject(new Error(`SteamCMD exited with code ${code}`));
        });
        child.on('error', reject);
    });
}
export async function installOrUpdateServer(id, appId) {
    const installDir = serverInstallDir(id);
    const steamArgs = [
        '+force_install_dir', installDir,
        ...getSteamLoginArgs(),
        '+app_update', String(appId), 'validate',
        '+quit',
    ];
    await runSteamCmd(steamArgs);
}
export async function readInstalledVersion(id) {
    const installDir = serverInstallDir(id);
    const manifestPath = join(installDir, 'steamapps', `appmanifest_${WINDROSE_APP_ID}.acf`);
    if (!existsSync(manifestPath))
        return null;
    const raw = readFileSync(manifestPath, 'utf-8');
    const buildIdMatch = raw.match(/"buildid"\s+"(\d+)"/);
    const timeUpdatedMatch = raw.match(/"LastUpdated"\s+"(\d+)"/);
    return {
        buildId: buildIdMatch ? Number(buildIdMatch[1]) : null,
        lastUpdated: timeUpdatedMatch ? Number(timeUpdatedMatch[1]) : null,
    };
}