import socket
import string
import unittest
import random
from threading import Thread
from typing import Optional

import numpy as np

from source.core.enums import BombState
from source.network.packet import *
from source.network.packet.abc import Packet


class TestNetwork(unittest.TestCase):
    """
    Unité de test pour le réseau
    """

    PORT: int = 54200

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        # Prépare deux sockets pour simuler les packets
        self.co_client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.so_server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

        self.so_server.bind(("", self.PORT))
        self.so_server.listen()
        self.co_server: Optional[socket.socket] = None

        def connect_server(): self.co_server, _ = self.so_server.accept()
        def connect_client(): self.co_client.connect(("127.0.0.1", self.PORT))

        thread_server = Thread(target=connect_server)
        thread_client = Thread(target=connect_client)
        thread_server.start()
        thread_client.start()
        thread_server.join()
        thread_client.join()

    def __del__(self):
        # ferme les connexions lorsque l'objet est supprimé
        self.co_client.close()
        self.so_server.close()

    # tous les tests de packet sont réunis dans la même fonction pour éviter de rouvrir des sockets sur le même port
    def test_packet(self):
        # PacketChat
        for _ in range(100):
            packet_sent = PacketChat(
                message="".join(random.choice(string.printable) for _ in range(random.randint(1, 100)))
            )
            packet_sent.send_data_connection(self.co_server)
            packet_recv = PacketChat.from_connection(self.co_client)

            self.assertEqual(packet_sent, packet_recv)

        # PacketUsername
        for _ in range(100):
            packet_sent = PacketUsername(
                username="".join(random.choice(string.printable) for _ in range(random.randint(1, 16)))
            )
            packet_sent.send_data_connection(self.co_server)
            packet_recv = PacketUsername.from_connection(self.co_client)

            self.assertEqual(packet_sent, packet_recv)

        # PacketQuit
        for _ in range(100):
            PacketQuit().send_data_connection(self.co_server)
            PacketQuit.from_connection(self.co_client)

        # PacketAskSave
        for _ in range(100):
            PacketAskSave().send_data_connection(self.co_server)
            PacketAskSave.from_connection(self.co_client)

        # PacketBoatPlaced
        for _ in range(100):
            PacketBoatPlaced().send_data_connection(self.co_server)
            PacketBoatPlaced.from_connection(self.co_client)

        # PacketLoadOldSave
        for _ in range(100):
            packet_sent = PacketLoadOldSave(
                value=bool(random.randint(0, 1))
            )
            packet_sent.send_data_connection(self.co_server)
            packet_recv = PacketLoadOldSave.from_connection(self.co_client)

            self.assertEqual(packet_sent, packet_recv)

        # PacketResponseSave
        for _ in range(100):
            packet_sent = PacketResponseSave(
                value=bool(random.randint(0, 1))
            )
            packet_sent.send_data_connection(self.co_server)
            packet_recv = PacketResponseSave.from_connection(self.co_client)

            self.assertEqual(packet_sent, packet_recv)

        # PacketHaveSaveBeenFound
        for _ in range(100):
            packet_sent = PacketHaveSaveBeenFound(
                value=bool(random.randint(0, 1))
            )
            packet_sent.send_data_connection(self.co_server)
            packet_recv = PacketHaveSaveBeenFound.from_connection(self.co_client)

            self.assertEqual(packet_sent, packet_recv)

        # PacketBombPlaced
        for _ in range(100):
            packet_sent = PacketBombPlaced(
                (random.randint(0, 64), random.randint(0, 64))
            )
            packet_sent.send_data_connection(self.co_server)
            packet_recv = PacketBombPlaced.from_connection(self.co_client)

            self.assertEqual(packet_sent, packet_recv)

        # PacketBombState
        for _ in range(100):
            packet_sent = PacketBombState(
                position=(random.randint(0, 64), random.randint(0, 64)),
                bomb_state=random.choice(list(BombState)),
            )
            packet_sent.send_data_connection(self.co_server)
            packet_recv = PacketBombState.from_connection(self.co_client)

            self.assertEqual(packet_sent, packet_recv)

        # PacketSettings
        for _ in range(100):
            packet_sent = PacketSettings(
                grid_width=random.randint(0, 64),
                grid_height=random.randint(0, 64),
                host_start=bool(random.randint(0, 1)),
                boats_length=[random.randint(1, 16) for _ in range(random.randint(1, 32))]
            )
            packet_sent.send_data_connection(self.co_server)
            packet_recv = PacketSettings.from_connection(self.co_client)

            self.assertEqual(packet_sent, packet_recv)

        # PacketBoatsData
        for _ in range(100):
            packet_sent = PacketBoatsData(
                boats=(
                    np.random.rand(
                        random.randint(2, 32),
                        random.randint(2, 32),
                    ) * random.randint(1, 65535)
                ).astype(dtype=np.ushort)
            )
            packet_sent.send_data_connection(self.co_server)
            packet_recv = PacketBoatsData.from_connection(self.co_client)

            self.assertTrue((packet_sent.boats == packet_recv.boats).all())  # NOQA

        # Packet Générique
        for _ in range(100):
            # prend un packet "signal" ou "variable lengh" aléatoire (sont les plus simples a initialisé)
            packet_sent_type = random.choice([PacketQuit, PacketAskSave, PacketBoatPlaced, PacketUsername, PacketChat])

            if packet_sent_type in [PacketUsername, PacketChat]:
                packet_sent = packet_sent_type(
                    "".join(random.choice(string.printable) for _ in range(random.randint(1, 16)))
                )
            else:
                packet_sent = packet_sent_type()

            packet_sent.send_connection(self.co_server)
            packet_recv_type = Packet.type_from_connection(self.co_client)
            packet_recv = packet_recv_type.from_connection(self.co_client)

            self.assertEqual(packet_recv, packet_sent)


if __name__ == '__main__':
    unittest.main()