from __future__ import annotations

import json
import shutil
from pathlib import Path

import pytest

ROOT = Path(__file__).resolve().parent.parent
DIST = ROOT / "boxsim_dl" / "BoxSim 2.1 DE (Stand 12.2025)"
DEFAULT_BPJ = DIST / "Projekte" / "Default.BPJ"
MANIFEST = ROOT / "tests" / "oracle_manifest.json"


def pytest_configure(config):
    config.addinivalue_line("markers", "needs_kicad: requires kicad-cli 10 on PATH")
    config.addinivalue_line("markers", "needs_dist: requires the Boxsim distribution")


@pytest.fixture(scope="session")
def dist() -> Path:
    if not DIST.exists():
        pytest.skip(f"Boxsim distribution not present at {DIST}")
    return DIST


@pytest.fixture(scope="session")
def default_bpj(dist: Path) -> Path:
    if not DEFAULT_BPJ.exists():
        pytest.skip("Default.BPJ not present")
    return DEFAULT_BPJ


@pytest.fixture(scope="session")
def manifest() -> dict:
    if not MANIFEST.exists():
        pytest.skip("oracle manifest missing; run tools/difftest.py")
    return json.loads(MANIFEST.read_text(encoding="utf-8"))


@pytest.fixture(scope="session")
def kicad_cli() -> str:
    exe = shutil.which("kicad-cli")
    if exe is None:
        pytest.skip("kicad-cli not on PATH")
    return exe


@pytest.fixture(scope="session")
def library():
    from boxsim import symbols

    try:
        return symbols.load()
    except symbols.SymbolError as exc:
        pytest.skip(str(exc))


@pytest.fixture(scope="session")
def catalog():
    from boxsim import catalog as catalog_mod

    try:
        return catalog_mod.load()
    except catalog_mod.CatalogError as exc:
        pytest.skip(str(exc))


@pytest.fixture(scope="session")
def default_project(default_bpj: Path):
    from boxsim import model

    return model.load(default_bpj.read_bytes())