"""
Autonomous Coder - Now Think AI can code by itself!
¡No joda! Ahora sí se puso seria la vaina.
"""

import ast
import re
import subprocess
import sys
from datetime import datetime
from pathlib import Path
from typing import Any, Dict, Optional

import autopep8
import black

from ..utils.logging import get_logger

try:
    except ImportError:
        black = None
        try:
            except ImportError:
                autopep8 = None

                logger = get_logger(__name__)

                class AutonomousCoder:
"""
                    Think AI's coding brain - writes, tests, and improves its own code.'
                    O(1) performance because we cache everything, even mistakes!
"""

                    def __init__(self):
                        self.code_cache = {}  # Cache generated code
                        self.execution_history = []
                        self.improvements_made = 0
                        self.bugs_fixed = 0
                        self.features_added = 0

# Code generation templates
                        self.code_patterns = {
                        'function': '''def {name}({params}):'
"""{docstring}"""
                        {body}
''',
                        'class': '''class {name}:'
"""{docstring}"""

                        def __init__(self{params}):
                            {init_body}

                            {methods}
''',
                            'async_function': '''async def {name}({params}):
"""{docstring}"""
                            {body}
''',
                            'test': '''def test_{name}():
"""Test {description}"""
# Arrange
                            {arrange}

# Act
                            {act}

# Assert
                            {assertion}
'''
                            }

# Common improvements it can make
                            self.improvement_patterns = [
                            ('O\\(n\\^2\\)', 'O(n)', 'Optimize nested loops'),
                            ('time\\.sleep', 'asyncio.sleep', 'Make it async'),
                            ('print\\(', 'logger.info(', 'Use proper logging'),
                            ('except:', 'except Exception as e:',
                             'Specific exception handling'),
                            (' == None', 'is None', 'Pythonic comparison'),
                            (' != None', 'is not None', 'Pythonic comparison'),
                            ]

                            logger.info(
                                "🤖 Autonomous Coder initialized - Think AI can now code!")

                            async def write_code(
                                self, task: str, context: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
"""
                                Write code for a given task.

                                Args:
                                    task: What to code
                                    context: Additional context (existing code, requirements, etc.)
"""
                                    logger.info(f"📝 Writing code for: {task}")

# Analyze task
                                    code_type = self._analyze_task(task)

# Generate code based on type
                                    if code_type = = 'feature':
                                        code = await self._write_feature(task, context)
                                    elif code_type = = 'bugfix':
                                        code = await self._fix_bug(task, context)
                                    elif code_type = = 'optimization':
                                        code = await self._optimize_code(task, context)
                                    elif code_type = = 'test':
                                        code = await self._write_test(task, context)
                                    else:
                                        code = await self._write_generic(task, context)

# Format code
                                        formatted_code = self._format_code(
                                            code)

# Test the code
                                        test_result = await self._test_code(formatted_code)

# If it fails, try to fix it
                                        if not test_result['success']:
                                            logger.info(
                                                "🔧 Code failed, attempting to fix...")
                                            formatted_code = await self._debug_and_fix(formatted_code, test_result['error'])

                                            self.features_added + = 1

                                            return {
                                        'code': formatted_code,
                                        'type': code_type,
                                        'task': task,
                                        'test_result': test_result,
                                        'timestamp': datetime.now().isoformat()
                                        }

                                        def _analyze_task(
                                            self, task: str) -> str:
"""Analyze what type of code to write."""
                                            task_lower = task.lower()

                                            if any(
    word in task_lower for word in [
        'bug', 'fix', 'error', 'broken']):
                                                return 'bugfix'
                                        elif any(word in task_lower for word in ['optimize', 'faster', 'performance']):
                                            return 'optimization'
                                    elif any(word in task_lower for word in ['test', 'unittest', 'pytest']):
                                        return 'test'
                                elif any(word in task_lower for word in ['feature', 'add', 'create', 'new']):
                                    return 'feature'
                            else:
                                return 'generic'

                            async def _write_feature(self, task: str, context: Optional[Dict[str, Any]]) -> str:
"""Write a new feature."""
# Extract key info from task
                                feature_name = self._extract_feature_name(task)

# Decide if it should be a class or function
                                if 'class' in task.lower() or 'manager' in task.lower():
                                    code = self.code_patterns['class'].format(
                                    name = self._to_class_name(feature_name),
                                    docstring = f"Implements {task}",
                                    params = ", config: Dict[str, Any] = None",
                                    init_body = "self.config = config or {}\n self.initialized = False",
                                    methods = self._generate_class_methods(feature_name)
                                    )
                                else:
# Async by default because we're modern'
                                    code = self.code_patterns['async_function'].format(
                                    name = self._to_function_name(feature_name),
                                    params = "data: Any",
                                    docstring = f"Executes {task}",
                                    body = self._generate_function_body(feature_name)
                                    )

                                    return code

                                async def _fix_bug(self, task: str, context: Optional[Dict[str, Any]]) -> str:
"""Fix a bug in existing code."""
                                    if context and 'code' in context:
                                        original_code = context['code']

# Common bug fixes
                                        fixed_code = original_code

# Fix common issues
                                        bug_fixes = [
                                        (r'except:\s*\n', 'except Exception as e:\n'),
                                        (r'print\((.*?)\)', r'logger.info(\1)'),
                                        (r'time\.sleep\((.*?)\)', r'await asyncio.sleep(\1)'),
                                        (r' == None', 'is None'),
                                        (r' != None', 'is not None'),
                                        (r'range\(len\((.*?)\)\)', r'enumerate(\1)'),
                                        ]

                                        for pattern, replacement in bug_fixes:
                                            fixed_code = re.sub(pattern, replacement, fixed_code)

                                            self.bugs_fixed + = 1
                                            return fixed_code

                                        return "# Unable to fix bug without code context"

                                    async def _optimize_code(self, task: str, context: Optional[Dict[str, Any]]) -> str:
"""Optimize existing code."""
                                        if context and 'code' in context:
                                            original_code = context['code']

# Apply optimizations
                                            optimized = original_code

# Cache results
                                            if 'def ' in optimized and '@cache' not in optimized:
                                                optimized = "from functools import cache\n\n" + optimized
                                                optimized = optimized.replace('def ', '@cache\ndef ', 1)

# Use list comprehensions
                                                optimized = self._convert_to_comprehensions(optimized)

# Make it async if possible
                                                if 'def ' in optimized and 'async def' not in optimized:
                                                    optimized = optimized.replace('def ', 'async def ')
                                                    optimized = optimized.replace('sleep(', 'await asyncio.sleep(')

                                                    self.improvements_made + = 1
                                                    return optimized

                                                return "# No code to optimize"

                                            async def _write_test(self, task: str, context: Optional[Dict[str, Any]]) -> str:
"""Write a test."""
                                                test_name = self._extract_feature_name(task).replace(' ', '_')

                                                return self.code_patterns['test'].format(
                                            name = test_name,
                                            description = task,
                                            arrange = "test_data = {'key': 'value'}",
                                            act = "result = function_to_test(test_data)",
                                            assertion = "assert result is not None\n assert result['success'] == True"
                                            )

                                            async def _write_generic(self, task: str, context: Optional[Dict[str, Any]]) -> str:
"""Write generic code."""
                                                return f'''async def execute_task():'
"""
                                            Executes: {task}
                                            Generated by Think AI Autonomous Coder
"""
                                            try:
# Implementation goes here
                                                result = {{'success': True, 'task': '{task}'}}
                                                logger.info(f"Task completed: {{result}}")
                                                return result
                                            except Exception as e:
                                                logger.error(f"Task failed: {{e}}")
                                                return {{'success': False, 'error': str(e)}}
'''

                                            def _format_code(self, code: str) -> str:
"""Format code properly."""
                                                try:
# Try black first
                                                    if black:
                                                        return black.format_str(code, mode = black.Mode())
                                                    return code
                                                except Exception:
                                                    try:
# Fallback to autopep8
                                                        if autopep8:
                                                            return autopep8.fix_code(code)
                                                        return code
                                                    except Exception:
# Last resort - return as is
                                                        return code

                                                    async def _test_code(self, code: str) -> Dict[str, Any]:
"""Test if code runs without errors."""
                                                        try:
# First, check syntax
                                                            ast.parse(code)

# Create temp file
                                                            temp_file = Path(f"temp_test_{datetime.now().timestamp()}.py")
                                                            temp_file.write_text(code)

# Try to run it
                                                            result = subprocess.run(
                                                            [sys.executable, str(temp_file)],
                                                            capture_output = True,
                                                            text = True,
                                                            timeout = 5
                                                            )

# Cleanup
                                                            temp_file.unlink()

                                                            return {
                                                        'success': result.returncode = = 0,
                                                        'output': result.stdout,
                                                        'error': result.stderr
                                                        }

                                                        except SyntaxError as e:
                                                            return {
                                                        'success': False,
                                                        'error': f"Syntax error: {e}"
                                                        }
                                                        except Exception as e:
                                                            return {
                                                        'success': False,
                                                        'error': str(e)
                                                        }

                                                        async def _debug_and_fix(self, code: str, error: str) -> str:
"""Try to fix code based on error."""
                                                            logger.info(f"🐛 Debugging error: {error}")

                                                            fixed_code = code

# Common fixes based on error
                                                            if 'NameError' in error:
# Add missing imports
                                                                if 'asyncio' in error:
                                                                    fixed_code = 'import asyncio\n' + fixed_code
                                                                elif 'logger' in error:
                                                                    fixed_code = 'from ..utils.logging import get_logger\nlogger = get_logger(__name__)\n' + fixed_code
                                                                elif 'Dict' in error or 'Any' in error:
                                                                    fixed_code = 'from typing import Dict, Any\n' + fixed_code

                                                                elif 'IndentationError' in error:
# Fix indentation
                                                                    lines = fixed_code.split('\n')
                                                                    fixed_lines = []
                                                                    indent_level = 0

                                                                    for line in lines:
                                                                        stripped = line.strip()
                                                                        if stripped.endswith(':'):
                                                                            fixed_lines.append(' ' * indent_level + stripped)
                                                                            indent_level + = 1
                                                                        elif stripped in ['pass', 'return', 'break', 'continue']:
                                                                            indent_level = max(0, indent_level - 1)
                                                                            fixed_lines.append(' ' * indent_level + stripped)
                                                                        else:
                                                                            fixed_lines.append(' ' * indent_level + stripped)

                                                                            fixed_code = '\n'.join(fixed_lines)

                                                                            self.bugs_fixed + = 1
                                                                            return fixed_code

                                                                        def _extract_feature_name(self, task: str) -> str:
"""Extract feature name from task description."""
# Remove common words
                                                                            words = task.lower().split()
                                                                            skip_words = ['create', 'add', 'implement', 'build', 'make', 'write', 'a', 'an', 'the', 'for', 'to']
                                                                            feature_words = [w for w in words if w not in skip_words]
                                                                            return ' '.join(feature_words[:3])

                                                                        def _to_class_name(self, name: str) -> str:
"""Convert to PascalCase class name."""
                                                                            return ''.join(word.capitalize() for word in name.split())

                                                                        def _to_function_name(self, name: str) -> str:
"""Convert to snake_case function name."""
                                                                            return '_'.join(word.lower() for word in name.split())

                                                                        def _generate_class_methods(self, feature_name: str) -> str:
"""Generate basic class methods."""
                                                                            return f'''async def initialize(self):'
"""Initialize the {feature_name}."""
                                                                        self.initialized = True
                                                                        logger.info(f"{{self.__class__.__name__}} initialized")
                                                                        return True

                                                                    async def process(self, data: Any) -> Dict[str, Any]:
"""Process data."""
                                                                        if not self.initialized:
                                                                            await self.initialize()

                                                                            return {{'success': True, 'processed': data}}

                                                                        def get_stats(self) -> Dict[str, Any]:
"""Get statistics."""
                                                                            return {{
                                                                        'initialized': self.initialized,
                                                                        'config': self.config
                                                                        }}'''

                                                                        def _generate_function_body(self, feature_name: str) -> str:
"""Generate function body."""
                                                                            return f'''# Implementation for {feature_name}'
                                                                        result = {{
                                                                        'feature': '{feature_name}',
                                                                        'data': data,
                                                                        'timestamp': datetime.now().isoformat(),
                                                                        'success': True
                                                                        }}

# Process data with O(1) performance
                                                                        if isinstance(data, dict):
                                                                            result['processed'] = {{k: v for k, v in data.items()}}
                                                                        else:
                                                                            result['processed'] = data

                                                                            logger.info(f"{feature_name} completed successfully")
                                                                            return result'''

                                                                        def _convert_to_comprehensions(self, code: str) -> str:
"""Convert loops to comprehensions where possible."""
# Simple for loop to list comprehension
                                                                            pattern = r'(\w+) = \[\]\s*\n\s*for (\w+) in (\w+):\s*\n\s*\1\.append\((.*?)\)'
                                                                            replacement = r'\1 = [\4 for \2 in \3]'
                                                                            return re.sub(pattern, replacement, code)

                                                                        async def improve_itself(self) -> Dict[str, Any]:
"""Think AI improves its own code!"""
                                                                            logger.info("🧠 Think AI is improving itself!")

# Read its own code
                                                                            own_file = Path(__file__)
                                                                            own_code = own_file.read_text()

# Find things to improve
                                                                            improvements = []

                                                                            for pattern, replacement, description in self.improvement_patterns:
                                                                                if re.search(pattern, own_code):
                                                                                    improvements.append({
                                                                                    'pattern': pattern,
                                                                                    'replacement': replacement,
                                                                                    'description': description
                                                                                    })

# Apply improvements
                                                                                    improved_code = own_code
                                                                                    for imp in improvements:
                                                                                        improved_code = re.sub(imp['pattern'], imp['replacement'], improved_code)

# Add new capabilities
                                                                                        if 'def learn_from_mistakes' not in improved_code:
                                                                                            new_method = '''
                                                                                            def learn_from_mistakes(self, error: str, context: Dict[str, Any]):
"""Learn from coding errors to avoid them in future."""
                                                                                                self.learned_patterns.append({
                                                                                                'error': error,
                                                                                                'context': context,
                                                                                                'timestamp': datetime.now().isoformat()
                                                                                                })
                                                                                                logger.info(f"Learned from mistake: {error}")
'''
                                                                                                improved_code = improved_code.replace('def get_stats', new_method + '\n def get_stats')

                                                                                                self.improvements_made + = 1

                                                                                                return {
                                                                                            'improvements': improvements,
                                                                                            'lines_changed': len(improvements),
                                                                                            'new_capabilities': ['learn_from_mistakes'] if 'learn_from_mistakes' in improved_code else []
                                                                                            }

                                                                                            async def save_code(self, code: str, filename: str) -> Dict[str, Any]:
"""Save generated code to a file."""
                                                                                                try:
# Create a safe filename
                                                                                                    safe_filename = re.sub(r'[^\w\-_\.]', '_', filename)
                                                                                                    if not safe_filename.endswith('.py'):
                                                                                                        safe_filename + = '.py'

# Save to a generated_code directory
                                                                                                        output_dir = Path('generated_code')
                                                                                                        output_dir.mkdir(exist_ok = True)

                                                                                                        file_path = output_dir / safe_filename

# Write the code
                                                                                                        with open(file_path, 'w', encoding = 'utf-8') as f:
                                                                                                            f.write(code)

                                                                                                            logger.info(f"✅ Saved code to {file_path}")

                                                                                                            return {
                                                                                                        'success': True,
                                                                                                        'path': str(file_path.absolute()),
                                                                                                        'filename': safe_filename,
                                                                                                        'size': len(code),
                                                                                                        'lines': code.count('\n') + 1
                                                                                                        }

                                                                                                        except Exception as e:
                                                                                                            logger.error(f"Failed to save code: {e}")
                                                                                                            return {
                                                                                                        'success': False,
                                                                                                        'error': str(e),
                                                                                                        'filename': filename
                                                                                                        }

                                                                                                        def get_stats(self) -> Dict[str, Any]:
"""Get coder statistics."""
                                                                                                            return {
                                                                                                        'features_added': self.features_added,
                                                                                                        'bugs_fixed': self.bugs_fixed,
                                                                                                        'improvements_made': self.improvements_made,
                                                                                                        'code_cached': len(self.code_cache),
                                                                                                        'execution_history': len(self.execution_history),
                                                                                                        'status': '¡Programando como loco! Coding like crazy! 💻'
                                                                                                        }
                                                                                                        ))))
