from __future__ import annotations

import json
from pathlib import Path

from audiobooksorter.cli import main


def _make_book(folder: Path, title: str, author: str, series: str | None, index: int | None) -> None:
    folder.mkdir(parents=True)
    (folder / "metadata.json").write_text(
        json.dumps(
            {"title": title, "author": author, "series": series, "seriesIndex": index},
        ),
        encoding="utf-8",
    )
    (folder / f"{title}.txt").write_text(title, encoding="utf-8")


def test_cli_sorts_library(tmp_path: Path) -> None:
    library = tmp_path / "input"
    _make_book(library / "BookA", "Wayfarers", "Becky Chambers", None, None)
    _make_book(library / "BookB", "The Final Empire", "Brandon Sanderson", "Mistborn", 1)

    output = tmp_path / "output"

    exit_code = main(["--library", str(library), "--output", str(output)])

    assert exit_code == 0
    assert (output / "Becky Chambers" / "Wayfarers" / "Wayfarers.txt").read_text(encoding="utf-8") == "Wayfarers"
    assert (
        output / "Brandon Sanderson" / "Mistborn" / "Book 1 - The Final Empire" / "The Final Empire.txt"
    ).read_text(encoding="utf-8") == "The Final Empire"


def test_cli_dry_run_shows_directory_structure(tmp_path: Path, capsys: object) -> None:
    library = tmp_path / "input"
    _make_book(library / "BookA", "All the Skills", "Honour Rae", "All the Skills", 1)
    _make_book(library / "BookB", "All the Skills", "Honour Rae", "All the Skills", 2)
    _make_book(library / "BookC", "The Wandering Inn", "PirateAba", "The Wandering Inn", 1)
    _make_book(library / "BookD", "Fae and Fare", "PirateAba", "The Wandering Inn", 2)
    _make_book(library / "BookE", "Domestication", "Seth Ring", "Battle Mage Farmer", 1)

    exit_code = main(["--library", str(library), "--dry-run"])

    assert exit_code == 0
    captured = capsys.readouterr()
    assert "Honour Rae / All the Skills" in captured.out
    assert "Honour Rae / All the Skills / Book 1 - All the Skills" in captured.out
    assert "Honour Rae / All the Skills / Book 2 - All the Skills" in captured.out
    assert "PirateAba / The Wandering Inn" in captured.out
    assert "PirateAba / The Wandering Inn / Book 1 - The Wandering Inn" in captured.out
    assert "PirateAba / The Wandering Inn / Book 2 - Fae and Fare" in captured.out
    assert "Seth Ring / Battle Mage Farmer" in captured.out
    assert "Seth Ring / Battle Mage Farmer / Book 1 - Domestication" in captured.out