import { describe, it, expect } from "vitest";import { parseCliArgs } from "./args"; describe("parseCliArgs", () => {  it("defaults to run with no args", () => {    expect(parseCliArgs([])).toEqual({ kind: "run" });  });  it("parses version and help flags", () => {    expect(parseCliArgs(["--version"])).toEqual({ kind: "version" });    expect(parseCliArgs(["-v"])).toEqual({ kind: "version" });    expect(parseCliArgs(["--help"])).toEqual({ kind: "help" });    expect(parseCliArgs(["-h"])).toEqual({ kind: "help" });  });  it("launches a magnet", () => {    expect(parseCliArgs(["magnet:?xt=urn:btih:abc"])).toEqual({      kind: "run",      initialMagnet: "magnet:?xt=urn:btih:abc",    });  });  it("launches a .torrent file", () => {    expect(parseCliArgs(["./Foo.torrent"])).toEqual({      kind: "run",      initialTorrent: "./Foo.torrent",    });  });  it("launches a bare infohash as a magnet (DHT)", () => {    const hash = "abcdef0123456789abcdef0123456789abcdef01";    expect(parseCliArgs([hash])).toEqual({ kind: "run", initialMagnet: hash });  });  it("rejects unknown arguments", () => {    expect(parseCliArgs(["--nope"])).toEqual({ kind: "invalid", arg: "--nope" });  });  it("rejects a non-hash bareword", () => {    expect(parseCliArgs(["hello"])).toEqual({ kind: "invalid", arg: "hello" });  });  it("parses attach", () => {    expect(parseCliArgs(["attach"])).toEqual({ kind: "attach" });  });  it("parses update, with and without --force", () => {    expect(parseCliArgs(["update"])).toEqual({ kind: "update", force: false });    expect(parseCliArgs(["update", "--force"])).toEqual({ kind: "update", force: true });  });  it("parses watch with a directory", () => {    expect(parseCliArgs(["watch", "/srv/blackhole"])).toEqual({      kind: "watch",      dir: "/srv/blackhole",      downloadDir: undefined,      seedTimeMs: undefined,      deleteFiles: false,      daemon: false,    });  });  it("parses watch with a --to download dir", () => {    expect(parseCliArgs(["watch", "/srv/blackhole", "--to", "/mnt/media"])).toEqual({      kind: "watch",      dir: "/srv/blackhole",      downloadDir: "/mnt/media",      seedTimeMs: undefined,      deleteFiles: false,      daemon: false,    });    expect(parseCliArgs(["watch", "--dir", "/mnt/media", "/srv/blackhole"])).toEqual({      kind: "watch",      dir: "/srv/blackhole",      downloadDir: "/mnt/media",      seedTimeMs: undefined,      deleteFiles: false,      daemon: false,    });  });  it("parses watch --seed-time, --delete-files, and --daemon", () => {    expect(      parseCliArgs(["watch", "/srv/bh", "--seed-time", "1h", "--delete-files", "--daemon"]),    ).toEqual({      kind: "watch",      dir: "/srv/bh",      downloadDir: undefined,      seedTimeMs: 3_600_000,      deleteFiles: true,      daemon: true,    });  });  it("ignores an unparseable --seed-time", () => {    expect(parseCliArgs(["watch", "/srv/bh", "--seed-time", "soon"])).toEqual({      kind: "watch",      dir: "/srv/bh",      downloadDir: undefined,      seedTimeMs: undefined,      deleteFiles: false,      daemon: false,    });  });  it("rejects watch with no directory", () => {    expect(parseCliArgs(["watch"])).toEqual({      kind: "invalid",      arg: "watch (missing directory)",    });  });  it("parses serve with defaults", () => {    expect(parseCliArgs(["serve"])).toEqual({      kind: "serve",      port: undefined,      host: undefined,      token: undefined,      downloadDir: undefined,      seedTimeMs: undefined,      deleteFiles: false,      daemon: false,    });  });  it("parses serve flags", () => {    expect(      parseCliArgs([        "serve",        "--port",        "9999",        "--host",        "0.0.0.0",        "--token",        "s3cret",        "--to",        "/mnt/media",        "--seed-time",        "30m",      ]),    ).toEqual({      kind: "serve",      port: 9999,      host: "0.0.0.0",      token: "s3cret",      downloadDir: "/mnt/media",      seedTimeMs: 1_800_000,      deleteFiles: false,      daemon: false,    });  });  it("ignores a bad --port", () => {    expect(parseCliArgs(["serve", "--port", "abc"]).kind).toBe("serve");    expect((parseCliArgs(["serve", "--port", "abc"]) as { port?: number }).port).toBeUndefined();  });  it("parses files with defaults", () => {    expect(parseCliArgs(["files"])).toEqual({      kind: "files",      port: undefined,      host: undefined,      token: undefined,      dir: undefined,      daemon: false,    });  });  it("parses files flags", () => {    expect(      parseCliArgs([        "files",        "--port",        "9160",        "--host",        "0.0.0.0",        "--token",        "s3cret",        "--dir",        "/mnt/media",        "--daemon",      ]),    ).toEqual({      kind: "files",      port: 9160,      host: "0.0.0.0",      token: "s3cret",      dir: "/mnt/media",      daemon: true,    });  });});