import { describe, expect, it } from "vitest";
import { ExtractLocalMetadataHints } from "./use-cases/extract-local-metadata-hints.js";
import { ScoreMetadataMatch } from "./use-cases/score-metadata-match.js";

describe("local metadata hints", () => {
  it("extracts title, author and year hints from a book without ISBN", () => {
    const hints = new ExtractLocalMetadataHints().fromMetadataAndFile(
      {
        title: "Harry Potter et le Prince de Sang Mele",
        author: null,
        description: null,
        isbn: null,
        language: null,
        publisher: null,
        publishedDate: null,
        coverPath: null
      },
      "/library/Harry Potter et le Prince de Sang Mele (J. K. Rowling) 2005.epub"
    );

    expect(hints).toMatchObject({
      title: "Harry Potter et le Prince de Sang Mele",
      author: "J. K. Rowling",
      year: "2005",
      isbn: null
    });
  });
});

describe("metadata match scoring", () => {
  it("keeps the best remote match for locally extracted title and author", () => {
    const best = new ScoreMetadataMatch().best(
      { title: "Harry Potter et le Prince de Sang Mele", author: "J. K. Rowling", year: "2005" },
      [
        { title: "Harry Potter et la chambre des secrets", author: "J. K. Rowling", publishedDate: "1998" },
        { title: "Harry Potter et le Prince de sang-mêlé", author: "J.K. Rowling", publishedDate: "2005" }
      ]
    );

    expect(best?.match.title).toBe("Harry Potter et le Prince de sang-mêlé");
    expect(best?.score).toBeGreaterThan(0.7);
  });
});