import { describe, expect, it, vi } from "vitest";
vi.mock("../src/server/env", () => ({ env: { mcContainer: "mc" } }));
vi.mock("../src/server/network-config", () => ({
  readNetwork: () => ({ profiles: [{ id: "horror", name: "Horror" }] }),
  profileById: (config: { profiles: Array<{ id: string }> }, id: string) => {
    const p = config.profiles.find(p => p.id === id);
    if (!p) throw new Error("Unknown server");
    return p;
  },
}));
import { createDemuxer } from "../src/server/docker";
import { consoleTarget } from "../src/server/console-target";
const frame = (payload: Buffer) => {
  const header = Buffer.alloc(8); header[0] = 1; header.writeUInt32BE(payload.length, 4);
  return Buffer.concat([header, payload]);
};
describe("console transport", () => {
  it("keeps UTF-8 characters split across Docker frames and flushes output without a newline", () => {
    const lines: string[] = []; const demux = createDemuxer(s => lines.push(s));
    const bytes = Buffer.from("hello 🌫️\nDone");
    const data = Buffer.concat([frame(bytes.subarray(0, 8)), frame(bytes.subarray(8))]);
    for (const byte of data) demux(Buffer.from([byte]));
    demux.end();
    expect(lines).toEqual(["hello 🌫️", "Done"]);
  });
  it("shows short raw TTY output", () => {
    const lines: string[] = []; const demux = createDemuxer(s => lines.push(s));
    demux(Buffer.from("OK")); demux.end(); expect(lines).toEqual(["OK"]);
  });
  it("allows only primary or registered profile IDs", () => {
    expect(consoleTarget(null)).toBe("mc");
    expect(consoleTarget("horror")).toBe("craftdeck-horror");
    expect(() => consoleTarget("komodo-core")).toThrow();
    expect(() => consoleTarget("../escape")).toThrow();
  });
});