import { describe, expect, it } from "vitest";

import {
  createToolcraftPerformancePathId,
  decodeToolcraftPerformancePathId,
} from "./performance-path-codec.mjs";

const canonicalPath = {
  interaction: "control-change",
  invalidates: ["composite", "source"],
  profile: "interactive-discrete",
  runsOn: ["main", "worker"],
  workloadDimensions: ["pixel-count"],
} as const;

function encodeSignature(signature: readonly unknown[]): string {
  return `performance-path:${encodeURIComponent(JSON.stringify(signature))}`;
}

describe("Toolcraft performance path codec", () => {
  it("round trips one canonical runtime signature", () => {
    const pathId = createToolcraftPerformancePathId(canonicalPath);

    expect(decodeToolcraftPerformancePathId(pathId)).toEqual(canonicalPath);
  });

  it.each([
    [
      "unknown profile",
      ["unknown", "control-change", ["composite"], ["main"], []],
    ],
    [
      "unknown interaction",
      ["interactive-discrete", "unknown", ["composite"], ["main"], []],
    ],
    [
      "mismatched profile",
      ["interactive-continuous", "control-change", ["composite"], ["main"], []],
    ],
    [
      "duplicate pass",
      [
        "interactive-discrete",
        "control-change",
        ["composite", "composite"],
        ["main"],
        [],
      ],
    ],
    [
      "unsorted pass",
      [
        "interactive-discrete",
        "control-change",
        ["source", "composite"],
        ["main"],
        [],
      ],
    ],
    [
      "unknown run location",
      [
        "interactive-discrete",
        "control-change",
        ["composite"],
        ["satellite"],
        [],
      ],
    ],
    [
      "duplicate dimension",
      [
        "interactive-discrete",
        "control-change",
        ["composite"],
        ["main"],
        ["pixels", "pixels"],
      ],
    ],
  ])("rejects %s", (_case, signature) => {
    expect(decodeToolcraftPerformancePathId(encodeSignature(signature))).toBeUndefined();
  });

  it("rejects non-array and non-canonically encoded JSON", () => {
    expect(
      decodeToolcraftPerformancePathId(
        `performance-path:${encodeURIComponent(JSON.stringify({ ...canonicalPath }))}`,
      ),
    ).toBeUndefined();
    expect(
      decodeToolcraftPerformancePathId(
        `${createToolcraftPerformancePathId(canonicalPath)}%20`,
      ),
    ).toBeUndefined();
  });
});