#!/usr/bin/env python3
"""
Basic smoke test - checks code structure without requiring full dependencies.
"""

import importlib.util
import sys
from pathlib import Path

# Fix: Go up 3 levels to reach project root from scripts/tests/smoke_test_basic.py
project_root = Path(__file__).parent.parent.parent
sys.path.insert(0, str(project_root))


def test_imports():
    """Test that all modules can be imported."""
    print("=" * 60)
    print("YLFF Basic Smoke Test - Module Structure")
    print("=" * 60)

    modules_to_test = [
        "ylff",
        "ylff.services.ba_validator",
        "ylff.services.data_pipeline",
        "ylff.services.ylff_training",
        "ylff.models",
        "ylff.services.evaluate",
        "ylff.cli",
    ]

    results = {}
    for module_name in modules_to_test:
        try:
            spec = importlib.util.find_spec(module_name)
            if spec is None:
                results[module_name] = ("FAIL", "Module not found")
            else:
                importlib.import_module(module_name)  # noqa: F841
                results[module_name] = ("OK", f"Found at {spec.origin}")
        except Exception as e:
            results[module_name] = ("FAIL", str(e))

    print("\nModule Import Results:")
    print("-" * 60)
    all_ok = True
    for module_name, (status, msg) in results.items():
        status_symbol = "✓" if status == "OK" else "✗"
        print(f"{status_symbol} {module_name:30s} - {msg}")
        if status != "OK":
            all_ok = False

    print("\n" + "=" * 60)
    if all_ok:
        print("✓ All modules can be imported")
    else:
        print("✗ Some modules failed to import")
    print("=" * 60)

    return all_ok


def test_file_structure():
    """Test that expected files exist."""
    print("\n" + "=" * 60)
    print("File Structure Check")
    print("=" * 60)

    # Updated to match actual project structure
    expected_files = [
        "ylff/__init__.py",
        "ylff/services/ba_validator.py",
        "ylff/services/data_pipeline.py",
        "ylff/services/ylff_training.py",
        "ylff/models/__init__.py",
        "ylff/services/evaluate.py",
        "ylff/cli.py",
        "configs/ba_config.yaml",
        "configs/dinov2_train_config.yaml",
        "README.md",
    ]

    all_ok = True
    for file_path in expected_files:
        full_path = project_root / file_path
        exists = full_path.exists()
        status_symbol = "✓" if exists else "✗"
        print(f"{status_symbol} {file_path}")
        if not exists:
            all_ok = False

    print("\n" + "=" * 60)
    if all_ok:
        print("✓ All expected files exist")
    else:
        print("✗ Some files are missing")
    print("=" * 60)

    return all_ok


def main():
    """Run basic smoke tests."""
    results = []

    results.append(("Module Imports", test_imports()))
    results.append(("File Structure", test_file_structure()))
    
    # Removed Test Data check as assets are not strictly required for code smoke testing

    print("\n" + "=" * 60)
    print("Summary")
    print("=" * 60)

    all_passed = True
    for test_name, passed in results:
        status = "✓ PASS" if passed else "✗ FAIL"
        print(f"{status} - {test_name}")
        if not passed:
            all_passed = False

    print("=" * 60)

    if all_passed:
        print("\n✓ Basic smoke test passed!")
        print("\nNext steps:")
        print("  1. Install dependencies: pip install -e .")
        print("  2. Install BA dependencies: ./scripts/bin/setup_ba_pipeline.sh")
        print("  3. Run full smoke test: python scripts/smoke_test.py")
        return 0
    else:
        print("\n✗ Some tests failed")
        return 1


if __name__ == "__main__":
    sys.exit(main())