"""
TLS Handshake Module
This module provides a dummy implementation of TLSHandshake and perform_tls_handshake.
In production, this would perform a full TLS handshake and key derivation.
"""

import logging
from typing import Any
from .tls_context import TLSContext

logger = logging.getLogger(__name__)


def encrypt_data(tls_context: TLSContext, plaintext: bytes) -> bytes:
    try:
        ciphertext = tls_context.encrypt(plaintext)
        logger.debug(
            "Data encrypted successfully (%d bytes plaintext)", len(plaintext))
        return ciphertext
    except Exception as e:
        logger.exception("Encryption failed")
        raise e


class TLSEncryptionEngine:
    def __init__(self, tls_context: TLSContext) -> None:
        self.tls_context = tls_context

    def encrypt(self, data: bytes) -> bytes:
        return encrypt_data(self.tls_context, data)


class TLSHandshake:
    """
    Dummy TLSHandshake implementation.
    In production, this would perform a full TLS handshake and key derivation.
    """

    def __init__(self, tls_context: TLSContext) -> None:
        self.tls_context = tls_context

    def perform(self, sock: Any, server_hostname: str) -> None:
        logger.info(
            "Performing dummy TLS handshake with server hostname: %s", server_hostname)
        # Dummy handshake; no actual operation performed.
        pass


def perform_tls_handshake(tls_context: TLSContext, sock: Any, server_hostname: str) -> None:
    handshake = TLSHandshake(tls_context)
    handshake.perform(sock, server_hostname)
