import { describe, expect, it } from "vitest";
import {
  atomsToText,
  formatDateAtom,
  parseInlineAtoms,
  STATUS_COLORS,
  STATUS_VALUES
} from "./inline-atoms.js";

describe("inline atoms (T-148)", () => {
  it("parses date/status/label tokens", () => {
    const segs = parseInlineAtoms("Due @date(2026-10-11) and @status(done) for @label(Q3)");
    expect(segs).toEqual([
      { type: "text", text: "Due " },
      { type: "atom", kind: "date", value: "2026-10-11" },
      { type: "text", text: " and " },
      { type: "atom", kind: "status", value: "done" },
      { type: "text", text: " for " },
      { type: "atom", kind: "label", value: "Q3" }
    ]);
  });

  it("passes plain text through unchanged (legacy docs)", () => {
    expect(parseInlineAtoms("no atoms here")).toEqual([{ type: "text", text: "no atoms here" }]);
    expect(parseInlineAtoms("")).toEqual([]);
  });

  it("rejects malformed dates / unknown status values (kept as literal text)", () => {
    expect(parseInlineAtoms("bad @date(2026-13-99) @status(maybe)")).toEqual([
      { type: "text", text: "bad @date(2026-13-99) @status(maybe)" }
    ]);
    // @mention-style tokens are NOT atoms → literal
    expect(parseInlineAtoms("hi @alice")).toEqual([{ type: "text", text: "hi @alice" }]);
  });

  it("round-trips through atomsToText", () => {
    const original = "a @status(to-do) b @date(2026-01-01) c @label(x y) d";
    expect(atomsToText(parseInlineAtoms(original))).toBe(original);
  });

  it("exposes the status palette", () => {
    for (const s of STATUS_VALUES) expect(typeof STATUS_COLORS[s]).toBe("string");
    expect(STATUS_COLORS["blocked"]).toBe("red");
    expect(STATUS_COLORS["done"]).toBe("green");
  });

  it("formatDateAtom is a no-op for invalid ISO", () => {
    expect(formatDateAtom("2026-10-11")).toBe("2026-10-11");
  });
});