import { describe, expect, it } from "vitest";
import { parseSlashHelpSubcommand, parseSlashInvocation } from "../../src/feishu/slashCommands.js";

describe("slash command parser", () => {
  it("parses a slash invocation without resolving it", () => {
    expect(parseSlashInvocation("/new")).toEqual({ name: "new", args: [] });
    expect(parseSlashInvocation("/review 看看这节")).toEqual({ name: "review", args: ["看看这节"] });
    expect(parseSlashInvocation("写教案")).toBeNull();
  });

  it("parses help subcommands only in the exact /<command> help form", () => {
    expect(parseSlashHelpSubcommand({ name: "new", args: ["help"] })).toBe("new");
    expect(parseSlashHelpSubcommand({ name: "unknown", args: ["help"] })).toBe("unknown");
    expect(parseSlashHelpSubcommand({ name: "new", args: ["help", "please"] })).toBeNull();
    expect(parseSlashHelpSubcommand({ name: "help", args: ["new"] })).toBeNull();
  });
});