"""Shared pytest fixtures for mcilspy tests."""

import os
import shutil
from pathlib import Path

import pytest

# Path to test fixtures directory
FIXTURES_DIR = Path(__file__).parent / "fixtures"


@pytest.fixture
def test_assembly_path() -> str:
    """Return path to the custom test assembly.

    This is the primary fixture for tests - uses our custom-built
    TestAssembly.dll with known types and members.
    """
    test_dll = FIXTURES_DIR / "TestAssembly.dll"
    if not test_dll.exists():
        pytest.skip("TestAssembly.dll not found - run build_test_assembly.sh first")
    return str(test_dll)


@pytest.fixture
def sample_assembly_path() -> str:
    """Return path to a .NET assembly for testing.

    Falls back to SDK assemblies if test assembly not available.
    Prefer using test_assembly_path for new tests.
    """
    # First try our test assembly
    test_dll = FIXTURES_DIR / "TestAssembly.dll"
    if test_dll.exists():
        return str(test_dll)

    # Fallback: Try to find a .NET SDK assembly
    dotnet_base = Path("/usr/share/dotnet/sdk")
    if dotnet_base.exists():
        for sdk_dir in dotnet_base.iterdir():
            for net_version in ["net10.0", "net9.0", "net8.0", "net7.0", "net6.0"]:
                test_dll = (
                    sdk_dir
                    / "Sdks"
                    / "Microsoft.NET.Sdk"
                    / "tools"
                    / net_version
                    / "Microsoft.NET.Build.Tasks.dll"
                )
                if test_dll.exists():
                    return str(test_dll)

    # Last resort: any .dll in dotnet directory
    for root, _dirs, files in os.walk("/usr/share/dotnet"):
        for f in files:
            if f.endswith(".dll"):
                return os.path.join(root, f)

    pytest.skip("No .NET assembly found for testing")


@pytest.fixture
def nonexistent_path() -> str:
    """Return a path that doesn't exist."""
    return "/nonexistent/path/to/assembly.dll"


@pytest.fixture
def ilspycmd_installed() -> bool:
    """Check if ilspycmd is available for integration tests."""
    return shutil.which("ilspycmd") is not None


@pytest.fixture
def skip_without_ilspycmd(ilspycmd_installed):
    """Skip test if ilspycmd is not installed."""
    if not ilspycmd_installed:
        pytest.skip("ilspycmd not installed")


@pytest.fixture
def temp_output_dir(tmp_path):
    """Provide a temporary directory for test outputs."""
    return str(tmp_path)