const { spawnSync } = require("child_process");
const path = require("path");

if (process.platform !== "linux") {
    process.exit(0);
}

const nativeDir = path.join(__dirname, "..", "native", "tcp_keepalive");

function runNodeGyp(command, args) {
    const result = spawnSync(command, args, {
        cwd: nativeDir,
        stdio: "inherit"
    });
    return result.error ? false : result.status === 0;
}

let built = false;

try {
    const nodeGyp = require.resolve("node-gyp/bin/node-gyp.js");
    built = runNodeGyp(process.execPath, [nodeGyp, "rebuild"]);
} catch (err) {
    built = runNodeGyp("node-gyp", ["rebuild"]);
    if (!built) {
        built = runNodeGyp("npx", ["node-gyp", "rebuild"]);
    }
}

if (!built) {
    console.warn("tcp keepalive native helper was not built; TCP_KEEPCNT override will be disabled");
}