#!python3 
import unittest
from pathlib import Path
import tempfile
import os

class TestSkeletonMapper(unittest.TestCase):
    def setUp(self):
        self.temp_dir = tempfile.mkdtemp()
        self.patterns = create_language_patterns()
        
    def create_test_file(self, content: str, extension: str) -> str:
        path = Path(self.temp_dir) / f"test{extension}"
        path.write_text(content)
        return str(path)

    def test_kotlin_edge_cases(self):
        kotlin_code = '''
        @DslMarker
        annotation class NioProxyDsl
        
        interface EnhancedNioProxy<T : Any> {
            val original: T
            fun verifyIdentity(): Boolean = enhanced.equals(original)
        }
        
        class ProxyContext {
            private val _events = MutableSharedFlow<ProxyEvent>()
        }
        '''
        file_path = self.create_test_file(kotlin_code, ".kt")
        results = extract_skeleton(file_path, self.patterns)
        
        # BUG 1: Missing generic type parameters in class/interface detection
        self.assertIn("interface EnhancedNioProxy<T : Any>", results['interface'])
        
        # BUG 2: Property detection fails with initialization
        self.assertIn("val original: T", results['property'])
        
        # BUG 3: Annotation detection drops parameters
        self.assertIn("@DslMarker", results['annotation'])

def fix_kotlin_patterns():
    return {
        'class': r'^\s*(?:data\s+)?class\s+(\w+)(?:<[^>]+>)?',
        'function': r'^\s*fun\s+(\w+)(?:<[^>]+>)?',
        'property': r'^\s*(?:var|val)\s+(\w+)(?:\s*:\s*[^=]+)?(?:\s*=.+)?',
        'interface': r'^\s*interface\s+(\w+)(?:<[^>]+>)?',
        'annotation': r'^\s*@(\w+)(?:\s*[\w\s.()]+)?',
        'suspend': r'^\s*suspend\s+fun\s+\w+',
    }

# Critical fixes for main implementation
def patch_implementation():
    """
    Critical patches for identified issues
    """
    # 1. Fix subprocess handling for large files
    def safe_grep(cmd: str, timeout: int = 30) -> str:
        try:
            return subprocess.run(
                cmd,
                shell=True,
                text=True,
                capture_output=True,
                timeout=timeout
            ).stdout
        except subprocess.TimeoutExpired:
            return ""

    # 2. Fix pattern escaping in grep command
    def escape_grep_pattern(pattern: str) -> str:
        return pattern.replace('(', '\\(').replace(')', '\\)')
    
    # 3. Add file encoding handling
    def read_file_safe(file_path: str) -> str:
        try:
            with open(file_path, 'r', encoding='utf-8') as f:
                return f.read()
        except UnicodeDecodeError:
            try:
                with open(file_path, 'r', encoding='latin-1') as f:
                    return f.read()
            except Exception:
                return ""

    return safe_grep, escape_grep_pattern, read_file_safe

# Shell script fixes
def generate_fixed_shell_script():
    return '''
    #!/bin/bash
    
    # Fixed file handling
    while IFS= read -r -d '' file; do
        if [[ ! -f "$file" ]]; then
            continue
        fi
        
        # Handle filenames with spaces and special chars
        file_ext="${file##*.}"
        file_name=$(printf '%q' "$file")
        
        # Prevent grep pattern injection
        safe_grep() {
            local pattern=$1
            local file=$2
            grep -E "^[[:space:]]*${pattern}" "$file" 2>/dev/null || true
        }
        
        case "$file_ext" in
            kt|kts)
                safe_grep "(@\\w+|class\\s+\\w+|interface\\s+\\w+|fun\\s+\\w+)" "$file_name"
                ;;
            # ... other extensions
        esac
    done < <(find . -type f -print0)
    '''

# Runtime monitoring hooks
def add_monitoring():
    import time
    import psutil
    
    def monitor_execution(func):
        def wrapper(*args, **kwargs):
            start = time.time()
            process = psutil.Process()
            mem_before = process.memory_info().rss
            
            result = func(*args, **kwargs)
            
            elapsed = time.time() - start
            mem_after = process.memory_info().rss
            mem_delta = mem_after - mem_before
            
            if elapsed > 5.0 or mem_delta > 100*1024*1024:  # 100MB
                print(f"Warning: High resource usage in {func.__name__}")
            
            return result
        return wrapper
    
    return monitor_execution