from __future__ import annotations

import importlib.util
from pathlib import Path


ROOT = Path(__file__).resolve().parents[1]


def _load_module(name: str, relative_path: str):
    module_path = ROOT / relative_path
    spec = importlib.util.spec_from_file_location(name, module_path)
    module = importlib.util.module_from_spec(spec)
    assert spec.loader is not None
    spec.loader.exec_module(module)
    return module


def test_thesis_conversion_separates_appendix_titles(tmp_path) -> None:
    converter = _load_module("convert_thes_to_latex", "tools/convert_thes_to_latex.py")
    source = ROOT / "THES" / "INT_ANN.TXT"
    destination = tmp_path / "thesis.tex"

    converter.convert_thesis_file(
        source,
        destination,
        "Integration and Hybridization in Neural Network Modelling",
    )

    tex = destination.read_text(encoding="utf-8")
    assert (
        r"\chapter{Data File Listing: Classical Sequences Data File}" in tex
    )
    assert (
        r"\chapter{Data File Listing: Back-Propagation Network Data File}" in tex
    )
    assert "Classical Sequences Data File Appendix 16" not in tex


def test_bibtex_export_preserves_year_suffix_and_extracts_proceedings_fields() -> None:
    extractor = _load_module("extract_thesis_bibtex", "tools/extract_thesis_bibtex.py")
    entry = (
        "Carpenter, G., and Grossberg, S. 1987a. "
        "A massively parallel architecture for a self-organizing neural pattern recognition machine. "
        "Computer Vision, Graphics, and Image Processing 37, 54-115."
    )
    bibtex = extractor.to_bibtex(entry, 1)

    assert "@article{Carpenter1987a" in bibtex
    assert "year = {1987a}" in bibtex
    assert "journal = {Computer Vision, Graphics, and Image Processing}" in bibtex
    assert "volume = {37}" in bibtex
    assert "pages = {54-115}" in bibtex


def test_bibtex_export_applies_manual_normalization_overrides() -> None:
    extractor = _load_module("extract_thesis_bibtex", "tools/extract_thesis_bibtex.py")

    hopfield_entry = (
        "Hopfield, J. J. 1982. Neural networks and physical systems with emergent "
        "collective computational abilities. Proceedings of the National Academy "
        "of Sciences 79, 2554-2558."
    )
    hopfield_bibtex = extractor.to_bibtex(hopfield_entry, 1)
    assert "@article{Hopfield1982" in hopfield_bibtex
    assert "journal = {Proceedings of the National Academy of Sciences}" in hopfield_bibtex
    assert "volume = {79}" in hopfield_bibtex

    leven_entry = (
        "Leven, S. 1987b. S.A.M.: a triune extension to the ART model. "
        "'North Texas State University Symposium on Neural Networks' Poster Presentation."
    )
    leven_bibtex = extractor.to_bibtex(leven_entry, 2)
    assert "@inproceedings{Leven1987b" in leven_bibtex
    assert "title = {S.A.M.: a triune extension to the ART model}" in leven_bibtex