#!/usr/bin/env python3
"""
Test script for the APT solver implementation
"""

import os
import sys
import tempfile
import shutil
from pathlib import Path

# Add the project root to the Python path
sys.path.insert(0, str(Path(__file__).parent.parent))

from osbuild.solver.apt import APT
from osbuild.solver import RepoError, NoReposError, DepsolveError


def test_apt_solver_basic():
    """Test basic APT solver functionality."""
    print("🧪 Testing APT solver basic functionality...")
    
    # Create a temporary directory for testing
    with tempfile.TemporaryDirectory() as temp_dir:
        # Test configuration
        request = {
            "arch": "amd64",
            "releasever": "trixie",
            "arguments": {
                "repos": [
                    {
                        "name": "debian-main",
                        "baseurl": "http://deb.debian.org/debian",
                        "enabled": True,
                        "gpgcheck": False,  # Skip GPG for testing
                        "components": ["main"],
                        "architectures": ["amd64"],
                    }
                ],
                "root_dir": temp_dir,
            }
        }
        
        try:
            # Initialize APT solver
            solver = APT(request, temp_dir, temp_dir)
            print("✅ APT solver initialized successfully")
            
            # Test dump functionality
            dump_result = solver.dump()
            print(f"✅ Dump result: {len(dump_result.get('packages', []))} packages found")
            
            # Test search functionality
            search_result = solver.search({"query": "apt", "match_type": "name", "limit": 5})
            print(f"✅ Search result: {len(search_result)} packages found")
            
            # Test dependency resolution (this might fail in test environment)
            try:
                depsolve_result = solver.depsolve({"packages": ["apt"]})
                print(f"✅ Depsolve result: {len(depsolve_result)} packages resolved")
            except DepsolveError as e:
                print(f"⚠️  Depsolve failed (expected in test environment): {e}")
            
            print("✅ Basic APT solver test completed successfully")
            return True
            
        except Exception as e:
            print(f"❌ APT solver test failed: {e}")
            return False


def test_apt_solver_error_handling():
    """Test APT solver error handling."""
    print("🧪 Testing APT solver error handling...")
    
    # Test with no repositories
    try:
        request = {
            "arch": "amd64",
            "arguments": {"repos": []}
        }
        solver = APT(request, "/tmp", "/tmp")
        print("❌ Should have raised NoReposError")
        return False
    except NoReposError:
        print("✅ Correctly raised NoReposError for no repositories")
    except Exception as e:
        print(f"❌ Unexpected error: {e}")
        return False
    
    # Test with invalid repository
    try:
        request = {
            "arch": "amd64",
            "arguments": {
                "repos": [{"name": "invalid", "baseurl": ""}]
            }
        }
        solver = APT(request, "/tmp", "/tmp")
        print("❌ Should have raised RepoError")
        return False
    except RepoError:
        print("✅ Correctly raised RepoError for invalid repository")
    except Exception as e:
        print(f"❌ Unexpected error: {e}")
        return False
    
    print("✅ Error handling test completed successfully")
    return True


def test_apt_solver_configuration():
    """Test APT solver configuration options."""
    print("🧪 Testing APT solver configuration...")
    
    with tempfile.TemporaryDirectory() as temp_dir:
        # Test with proxy configuration
        request = {
            "arch": "amd64",
            "releasever": "trixie",
            "proxy": "http://proxy.example.com:8080",
            "arguments": {
                "repos": [
                    {
                        "name": "debian-main",
                        "baseurl": "http://deb.debian.org/debian",
                        "enabled": True,
                        "gpgcheck": False,
                        "components": ["main"],
                        "architectures": ["amd64"],
                    }
                ],
                "root_dir": temp_dir,
            }
        }
        
        try:
            solver = APT(request, temp_dir, temp_dir)
            
            # Check if proxy configuration is set
            if "http://proxy.example.com:8080" in str(solver.apt_config):
                print("✅ Proxy configuration applied correctly")
            else:
                print("⚠️  Proxy configuration not found in apt_config")
            
            # Check architecture configuration
            if solver.arch == "amd64":
                print("✅ Architecture configuration correct")
            else:
                print(f"❌ Architecture configuration incorrect: {solver.arch}")
                return False
            
            # Check releasever configuration
            if solver.releasever == "trixie":
                print("✅ Releasever configuration correct")
            else:
                print(f"❌ Releasever configuration incorrect: {solver.releasever}")
                return False
            
            print("✅ Configuration test completed successfully")
            return True
            
        except Exception as e:
            print(f"❌ Configuration test failed: {e}")
            return False


def main():
    """Run all APT solver tests."""
    print("🚀 Starting APT solver tests...")
    print("=" * 50)
    
    tests = [
        test_apt_solver_basic,
        test_apt_solver_error_handling,
        test_apt_solver_configuration,
    ]
    
    passed = 0
    total = len(tests)
    
    for test in tests:
        try:
            if test():
                passed += 1
        except Exception as e:
            print(f"❌ Test {test.__name__} failed with exception: {e}")
        print("-" * 30)
    
    print(f"📊 Test Results: {passed}/{total} tests passed")
    
    if passed == total:
        print("🎉 All APT solver tests passed!")
        return 0
    else:
        print("❌ Some APT solver tests failed!")
        return 1


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