import time
from typing import Optional
import sys
import os

# Agregar el directorio padre al path para importar config
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from config import HEX_DUMP_CONFIG, BACKUP_CONFIG, UI_MESSAGES
from core.memory_manager import MemoryManager

class HexDumper:
    """Utilidad para volcados hexadecimales"""
    
    @staticmethod
    def print_hex_dump(data: bytes, base_address: int = 0):
        """Imprime un volcado hexadecimal de los datos"""
        bytes_per_line = HEX_DUMP_CONFIG['bytes_per_line']
        address_width = HEX_DUMP_CONFIG['address_width']
        
        for i in range(0, len(data), bytes_per_line):
            line_data = data[i:i+bytes_per_line]
            hex_part = ' '.join(f'{b:02X}' for b in line_data)
            ascii_part = ''.join(chr(b) if 32 <= b <= 126 else '.' for b in line_data)
            print(f"   0x{base_address + i:0{address_width}X}: {hex_part:<48} {ascii_part}")

class BackupManager:
    """Gestor de copias de seguridad"""
    
    def __init__(self, memory_manager: MemoryManager):
        self.memory_manager = memory_manager
    
    def backup_original_code(self, address: int, size: int) -> Optional[str]:
        """Crea una copia de seguridad del código original"""
        data = self.memory_manager.read_memory(address, size)
        if data and BACKUP_CONFIG['enabled']:
            timestamp = int(time.time())
            filename = BACKUP_CONFIG['filename_format'].format(address=address, timestamp=timestamp)
            try:
                with open(filename, 'wb') as f:
                    f.write(data)
                print(UI_MESSAGES['success']['backup_saved'].format(filename=filename))
                return filename
            except IOError as e:
                print(f"❌ Error al guardar backup: {e}")
        return None

class UserInterface:
    """Utilidades para interacción con el usuario"""
    
    @staticmethod
    def confirm_action(message: str) -> bool:
        """Solicita confirmación del usuario"""
        response = input(f"\n❓ {message} (s/N): ").strip().lower()
        return response in ['s', 'si', 'sí', 'y', 'yes']
    
    @staticmethod
    def confirm_patch() -> bool:
        """Solicita confirmación para aplicar el patch"""
        response = input("\n❓ ¿Aplicar el parche? (s/N): ").strip().lower()
        return response in ['s', 'si', 'sí', 'y', 'yes']
    
    @staticmethod
    def print_banner():
        """Imprime el banner de la aplicación"""
        banner = UI_MESSAGES['banner']
        print(banner['title'])
        print(banner['description'])
        print(banner['warning'])
        print(banner['admin_note'] + "\n")
    
    @staticmethod
    def print_found_addresses(found_addresses: list):
        """Imprime las direcciones encontradas"""
        print(f"\n📍 Se encontraron {len(found_addresses)} coincidencias:")
        for i, (pattern_name, address) in enumerate(found_addresses):
            print(f"   {i + 1}. {pattern_name}: 0x{address:X}")
    
    @staticmethod
    def select_target_address(found_addresses: list) -> int:
        """Selecciona la dirección objetivo de la lista"""
        target_address = next(
            (address for pattern_name, address in found_addresses if "pattern_1" in pattern_name),
            found_addresses[0][1]  # Fallback a la primera coincidencia
        )
        print(UI_MESSAGES['info']['using_address'].format(address=target_address))
        return target_address