import assert from "node:assert/strict";
import test from "node:test";
import { deriveRunLabel, deriveRunLabels } from "./run-label.ts";

test("run labels prefer feature names and normalize request fallbacks", () => {
  assert.equal(
    deriveRunLabel({
      runId: "12345678-aaaa",
      featureName: "search-page",
      request: "Ignored request",
    }),
    "search-page",
  );
  assert.equal(
    deriveRunLabel({
      runId: "12345678-bbbb",
      request: "  Audit\n\tcache   behavior  ",
    }),
    "Audit cache behavior",
  );
  assert.equal(
    deriveRunLabel({ runId: "12345678-cccc", request: "x".repeat(48) }),
    "x".repeat(48),
  );
});

test("request labels truncate at whole words and hard-cut overlong words", () => {
  assert.equal(
    deriveRunLabel({
      runId: "12345678-aaaa",
      request: "Build a searchable dashboard that clearly identifies every active workflow run",
    }),
    "Build a searchable dashboard that clearly…",
  );
  assert.equal(
    deriveRunLabel({
      runId: "12345678-bbbb",
      request: `${"one ".repeat(11)}two continued`,
    }),
    `${"one ".repeat(11)}two…`,
  );
  assert.equal(
    deriveRunLabel({ runId: "12345678-cccc", request: "x".repeat(60) }),
    `${"x".repeat(47)}…`,
  );
});

test("run labels fall back to the canonical ID when requests are missing", () => {
  assert.equal(deriveRunLabel({ runId: "12345678-aaaa" }), "12345678-aaaa");
  assert.equal(
    deriveRunLabel({ runId: "12345678-bbbb", request: "" }),
    "12345678-bbbb",
  );
});

test("run labels disambiguate collisions with extendable ID prefixes", () => {
  assert.deepEqual(
    deriveRunLabels([
      { runId: "12345678-aaaa", featureName: "search-page" },
      { runId: "12345678-bbbb", featureName: "search-page" },
      { runId: "87654321-cccc", featureName: "other" },
    ]),
    ["search-page · 12345678-a", "search-page · 12345678-b", "other"],
  );
  assert.deepEqual(
    deriveRunLabels([
      { runId: "aaaaaaaa-1111", request: "Audit cache" },
      { runId: "bbbbbbbb-2222", request: "Audit cache" },
    ]),
    ["Audit cache · aaaaaaaa", "Audit cache · bbbbbbbb"],
  );
});