from defs import Channel
import numpy as np


class PhotonicCoder:

    def encode(self, data: np.ndarray) -> np.ndarray:
        """
        """
        raise NotImplemented("encode function not defined")

    def decode(self, data: np.ndarray) -> np.ndarray:
        """
        """
        raise NotImplemented("decode function not defined")


class PhotonicSimulation:
    """
    This is a main class that will contain coder/channel and all
    necessary useful methods to run/monitor simulation
    """

    def __init__(self, coder: PhotonicCoder, channel: Channel):
        self.coder = coder
        self.channel = channel

    def run(self, data: np.ndarray) -> np.ndarray:
        encoded = self.coder.encode(data)
        transmitted = self.channel.forward(encoded)
        decoded = self.coder.decode(transmitted)
        return decoded