from __future__ import annotations

import json
from pathlib import Path

import pytest

from audiobooksorter.ingest import IngestError, load_library


def test_load_library_from_json(samples_dir: Path) -> None:
    records = load_library(samples_dir / "library.json")

    assert len(records) == 5
    assert records[0].title == "The Final Empire"
    assert records[0].source_path is None


def test_load_library_from_directory(tmp_path: Path) -> None:
    library = tmp_path / "library"
    book_one = library / "Mistborn1"
    book_two = library / "Wayfarers"
    book_one.mkdir(parents=True)
    book_two.mkdir(parents=True)

    (book_one / "metadata.json").write_text(
        json.dumps(
            {"title": "The Final Empire", "series": "Mistborn", "seriesIndex": 1, "author": "Brandon"}
        ),
        encoding="utf-8",
    )
    (book_two / "metadata.json").write_text(
        json.dumps({"title": "Wayfarers", "author": "Becky Chambers"}),
        encoding="utf-8",
    )

    records = load_library(library)

    sources = {record.title: record.source_path for record in records}
    assert sources["The Final Empire"] == book_one
    assert sources["Wayfarers"] == book_two


def test_missing_library_raises(tmp_path: Path) -> None:
    with pytest.raises(IngestError):
        load_library(tmp_path / "missing")