import { describe, expect, it } from "vitest";
import { MetadataProvider } from "./metadata.types.js";
import { ResolveProviderChain } from "./use-cases/resolve-provider-chain.js";

const provider = (id: MetadataProvider["id"]): MetadataProvider => ({
  id,
  lookup: async () => null,
  searchByMetadata: async () => []
});

describe("ResolveProviderChain", () => {
  it("keeps local active and orders enabled remote providers by priority", () => {
    const chain = new ResolveProviderChain([provider("googlebooks"), provider("local"), provider("bnf")]).resolve([
      { provider: "local", enabled: false, priority: 99, apiKey: null },
      { provider: "googlebooks", enabled: true, priority: 2, apiKey: null },
      { provider: "bnf", enabled: true, priority: 1, apiKey: null }
    ]);

    expect(chain.map((entry) => entry.provider.id)).toEqual(["bnf", "googlebooks", "local"]);
  });
});