#!/usr/bin/env python3
"""
Example usage of autusm library without CLI.
"""

import sys
import tempfile
from pathlib import Path

# Add the src directory to the path so we can import autusm
sys.path.insert(0, str(Path(__file__).parent / "src"))

from autusm.models import PackageInfo, BuildSystem, BuildSystemType
from autusm.generator import ScriptGenerator
from autusm.manifest import ManifestGenerator


def main():
    """Demonstrate autusm usage."""
    print("Autusm Library Usage Example")
    print("=" * 40)
    
    # Create a sample package info
    package_info = PackageInfo(
        name="example-package",
        version="1.0.0",
        summary="An example package for demonstration",
        description="This is an example package to demonstrate autusm functionality",
        url="https://github.com/example/example-package",
        authors=["Example Author"],
        runtime_dependencies=["python3", "libexample"],
        build_dependencies=["gcc", "make"]
    )
    
    # Create a sample build system
    build_system = BuildSystem(
        type=BuildSystemType.CMAKE,
        config_files=["CMakeLists.txt"],
        build_files=["CMakeLists.txt"],
        detected_commands=["cmake -DCMAKE_INSTALL_PREFIX=/usr .", "make", "make install"],
        custom_args={"BUILD_TESTING": "ON"}
    )
    
    print(f"Package: {package_info.name} v{package_info.version}")
    print(f"Summary: {package_info.summary}")
    print(f"Build System: {build_system.type.value}")
    
    # Generate scripts
    with tempfile.TemporaryDirectory() as temp_dir:
        scripts_dir = Path(temp_dir) / "scripts"
        
        generator = ScriptGenerator()
        generator.generate_scripts(package_info, build_system, scripts_dir)
        
        print("\nGenerated Scripts:")
        for script_file in ["acquire", "build", "install"]:
            script_path = scripts_dir / script_file
            if script_path.exists():
                print(f"  - {script_path}")
                
                # Show first few lines of each script
                with open(script_path, 'r') as f:
                    lines = f.readlines()[:5]
                    print("    First 5 lines:")
                    for i, line in enumerate(lines, 1):
                        print(f"      {i}: {line.rstrip()}")
                    print("      ...")
    
    # Generate manifest
    manifest_generator = ManifestGenerator()
    manifest = manifest_generator.generate(package_info, build_system)
    
    print("\nGenerated Manifest (JSON):")
    print(manifest.to_json())
    
    print("\nExample completed successfully!")


if __name__ == "__main__":
    main()