import * as os from "node:os";
import * as path from "node:path";
import * as fs from "node:fs";
export const isWindows = process.platform === "win32";
export function isValidSessionName(name) {
    if (!name)
        return false;
    if (name.length > 64)
        return false;
    if (name.includes(".."))
        return false;
    return /^[a-zA-Z0-9._-]+$/.test(name);
}
/**
 * Get the base directory for socket/pid files.
 * Priority: CAMOUFOX_BROWSER_SOCKET_DIR > AGENT_BROWSER_SOCKET_DIR > XDG_RUNTIME_DIR > ~/.camoufox-browser > tmpdir
 */
export function getSocketDir() {
    const explicit = process.env.CAMOUFOX_BROWSER_SOCKET_DIR || process.env.AGENT_BROWSER_SOCKET_DIR;
    if (explicit && explicit.length > 0)
        return explicit;
    if (process.env.XDG_RUNTIME_DIR && process.env.XDG_RUNTIME_DIR.length > 0) {
        return path.join(process.env.XDG_RUNTIME_DIR, "camoufox-browser");
    }
    const home = os.homedir();
    if (home)
        return path.join(home, ".camoufox-browser");
    return path.join(os.tmpdir(), "camoufox-browser");
}
export function ensureSocketDir() {
    const dir = getSocketDir();
    if (!fs.existsSync(dir)) {
        fs.mkdirSync(dir, { recursive: true, mode: 0o700 });
    }
}
export function getPidFile(session) {
    return path.join(getSocketDir(), `${session}.pid`);
}
export function getUnixSocketPath(session) {
    return path.join(getSocketDir(), `${session}.sock`);
}
export function getPortFile(session) {
    return path.join(getSocketDir(), `${session}.port`);
}
export function cleanupIpcFiles(session) {
    const pidFile = getPidFile(session);
    const portFile = getPortFile(session);
    const sockPath = getUnixSocketPath(session);
    try {
        if (fs.existsSync(pidFile))
            fs.unlinkSync(pidFile);
    }
    catch { }
    try {
        if (fs.existsSync(portFile))
            fs.unlinkSync(portFile);
    }
    catch { }
    try {
        if (fs.existsSync(sockPath))
            fs.unlinkSync(sockPath);
    }
    catch { }
}
/**
 * Get port number for TCP mode (Windows).
 * Uses a hash of the session name to get a consistent port.
 */
export function getPortForSession(session) {
    let hash = 0;
    for (let i = 0; i < session.length; i++) {
        hash = (hash << 5) - hash + session.charCodeAt(i);
        hash |= 0;
    }
    return 49152 + (Math.abs(hash) % 16383);
}