import { Bert } from "./bert.js";
import { Duplex } from "node:stream";
export class Port extends Duplex {
    bert;
    constructor(allBinariesAsString, mapKeyAsAtom, decodeUndefinedValues) {
        super({ objectMode: true });
        this.bert = new Bert(allBinariesAsString, mapKeyAsAtom, decodeUndefinedValues);
    }
    _read() {
        const lenBytes = process.stdin.read(4);
        if (lenBytes) {
            const termLen = this.bert.bytesToInt(lenBytes, 4, true);
            process.stderr.write(`Got term length: ${termLen}\n`);
            const termBytes = process.stdin.read(termLen);
            if (termBytes) {
                this.push(this.bert.decode(termBytes));
            }
            else {
                process.stderr.write(`Read should have gotten ${termLen} bytes.\n`);
            }
        }
    }
    _write(obj, encodingOrCallback, callback) {
        const actualCallback = callback || typeof encodingOrCallback === "function" ? encodingOrCallback : undefined;
        try {
            const term = this.bert.encode(obj, true);
            const len = Buffer.alloc(4);
            len.writeUInt32BE(term.length, 0);
            process.stdout.write(len);
            return process.stdout.write(term, actualCallback);
        }
        catch (error) {
            process.stderr.write(`Error writing: ${error}\n`);
            return false;
        }
    }
}