"""
Multi-Currency Support Module
Handles different cryptocurrency implementations
"""
from abc import ABC, abstractmethod
from typing import Dict, Optional, List
from decimal import Decimal
import hashlib
from dataclasses import dataclass
import time

@dataclass
class CryptoTransaction:
    tx_hash: str
    from_address: str
    to_address: str
    amount: Decimal
    currency: str
    fee: Decimal
    status: str
    timestamp: float
    block_height: Optional[int] = None
    confirmations: int = 0
    raw_tx: Optional[Dict] = None

class CryptoWallet(ABC):
    @abstractmethod
    def generate_address(self) -> str:
        """Generate new address"""
        pass

    @abstractmethod
    def sign_transaction(self, transaction: Dict) -> bytes:
        """Sign a transaction"""
        pass

    @abstractmethod
    def verify_signature(self, signature: bytes, message: bytes) -> bool:
        """Verify signature"""
        pass

class CryptoNetwork(ABC):
    @abstractmethod
    async def broadcast_transaction(self, raw_tx: Dict) -> str:
        """Broadcast transaction to network"""
        pass

    @abstractmethod
    async def get_balance(self, address: str) -> Decimal:
        """Get address balance"""
        pass

    @abstractmethod
    async def get_transaction(self, tx_hash: str) -> Optional[Dict]:
        """Get transaction details"""
        pass

class BitcoinImplementation(CryptoWallet, CryptoNetwork):
    """Bitcoin-specific implementation"""
    
    def __init__(self):
        self.network_type = "BTC"
        # Bitcoin-specific initialization

    def generate_address(self) -> str:
        # Bitcoin address generation logic
        pass

    def sign_transaction(self, transaction: Dict) -> bytes:
        # Bitcoin transaction signing
        pass

    def verify_signature(self, signature: bytes, message: bytes) -> bool:
        # Bitcoin signature verification
        pass

    async def broadcast_transaction(self, raw_tx: Dict) -> str:
        # Bitcoin transaction broadcasting
        pass

    async def get_balance(self, address: str) -> Decimal:
        # Bitcoin balance checking
        pass

    async def get_transaction(self, tx_hash: str) -> Optional[Dict]:
        # Bitcoin transaction lookup
        pass

class EthereumImplementation(CryptoWallet, CryptoNetwork):
    """Ethereum-specific implementation"""
    
    def __init__(self):
        self.network_type = "ETH"
        # Ethereum-specific initialization

    def generate_address(self) -> str:
        # Ethereum address generation
        pass

    def sign_transaction(self, transaction: Dict) -> bytes:
        # Ethereum transaction signing
        pass

    def verify_signature(self, signature: bytes, message: bytes) -> bool:
        # Ethereum signature verification
        pass

    async def broadcast_transaction(self, raw_tx: Dict) -> str:
        # Ethereum transaction broadcasting
        pass

    async def get_balance(self, address: str) -> Decimal:
        # Ethereum balance checking
        pass

    async def get_transaction(self, tx_hash: str) -> Optional[Dict]:
        # Ethereum transaction lookup
        pass

class SolanaImplementation(CryptoWallet, CryptoNetwork):
    """Solana-specific implementation"""
    
    def __init__(self):
        self.network_type = "SOL"
        # Solana-specific initialization

    def generate_address(self) -> str:
        # Solana address generation
        pass

    def sign_transaction(self, transaction: Dict) -> bytes:
        # Solana transaction signing
        pass

    def verify_signature(self, signature: bytes, message: bytes) -> bool:
        # Solana signature verification
        pass

    async def broadcast_transaction(self, raw_tx: Dict) -> str:
        # Solana transaction broadcasting
        pass

    async def get_balance(self, address: str) -> Decimal:
        # Solana balance checking
        pass

    async def get_transaction(self, tx_hash: str) -> Optional[Dict]:
        # Solana transaction lookup
        pass

class CryptoFactory:
    """Factory for creating cryptocurrency implementations"""
    
    implementations = {
        'BTC': BitcoinImplementation,
        'ETH': EthereumImplementation,
        'SOL': SolanaImplementation
    }

    @classmethod
    def get_implementation(cls, currency: str) -> CryptoWallet:
        """Get implementation for specific cryptocurrency"""
        if currency not in cls.implementations:
            raise ValueError(f"Unsupported cryptocurrency: {currency}")
        return cls.implementations[currency]()
