import { routes, type RouteName } from "@deadhead/schema";
import { describe, expect, it } from "vitest";
import { SERVER_ONLY_ROUTES } from "../src/index";

declare global {
  interface ImportMeta {
    glob(
      pattern: string,
      options: { query: "?raw"; import: "default"; eager: true },
    ): Record<string, string>;
  }
}

/** Every engine test file's source (Vite's glob, read at test time). */
const sources = Object.entries(
  import.meta.glob("./**/*.test.ts", { query: "?raw", import: "default", eager: true }),
).filter(([path]) => !path.endsWith("catalog.test.ts"));

/** A test uses a command if it names it, or calls its old endpoint path. */
function usedBy(name: RouteName, source: string): boolean {
  if (new RegExp(`["'\`]${name}["'\`]`).test(source)) return true;
  const pieces = routes[name].path.split(/:\w+/).filter((p) => p.length > 1);
  return pieces.every((piece) => source.includes(piece)) && source.includes(routes[name].method);
}

describe("command catalog coverage (Step 14.5)", () => {
  const commands = (Object.keys(routes) as RouteName[]).filter(
    (name) => !(SERVER_ONLY_ROUTES as readonly string[]).includes(name),
  );

  it("finds the engine test files", () => {
    expect(sources.length).toBeGreaterThan(20);
  });

  it.each(commands)("%s has at least one engine test", (name) => {
    const files = sources.filter(([, source]) => usedBy(name, source)).map(([path]) => path);
    expect(files, `no engine test uses ${name}`).not.toEqual([]);
  });
});