package uulm.teamname.marvelous.gamelibrary.gamelogic;

import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import uulm.teamname.marvelous.gamelibrary.ai.AIClient;
import uulm.teamname.marvelous.gamelibrary.entities.EntityType;
import uulm.teamname.marvelous.gamelibrary.events.Event;
import uulm.teamname.marvelous.gamelibrary.json.JSON;
import uulm.teamname.marvelous.gamelibrary.messages.*;
import uulm.teamname.marvelous.gamelibrary.messages.client.*;
import uulm.teamname.marvelous.gamelibrary.messages.server.*;
import uulm.teamname.marvelous.gamelibrary.requests.*;

import java.util.List;
import java.util.Optional;
import java.util.concurrent.*;

class AITest extends BaseGameLogicTest {
    private static JSON json;
    private static ExecutorService executor;

    private static GameInstance server;
    private static AIClient clientA;
    private static AIClient clientB;

    @BeforeAll
    static void setUp() {
        generate();

        json = new JSON(characterConfig);
        executor = new SimpleErrorSensitiveThreadPoolExecutor();

        server = new GameInstance(partyConfig, characterConfig, scenarioConfig);
        clientA = new AIClient(EntityType.P1, partyConfig, characterConfig, scenarioConfig);
        clientB = new AIClient(EntityType.P2, partyConfig, characterConfig, scenarioConfig);
    }

    @Test
    void main() throws InterruptedException {
        serverSend(server.startGame(player1Selection, player2Selection).toArray(new Event[0]));

        Thread.sleep(2000);
    }

    private void clientSend(Request[] requests) {
        RequestMessage message = new RequestMessage();
        message.messages = requests;

        Optional<String> data = json.stringify(message);

        if(data.isPresent()) {
            executor.submit(() -> serverReceive(data.get()));
        }
    }

    private void clientReceive(String data) {
        Optional<BasicMessage> message = json.parse(data);

        if(message.isPresent()) {
            Optional<List<Request>> resultA = clientA.handle(((EventMessage)message.get()).messages);
            Optional<List<Request>> resultB = clientB.handle(((EventMessage)message.get()).messages);

            if(resultA.isPresent()) {
                executor.submit(() -> clientSend(resultA.get().toArray(new Request[0])));
            }

            if(resultB.isPresent()) {
                executor.submit(() -> clientSend(resultB.get().toArray(new Request[0])));
            }
        }
    }

    private void serverSend(Event[] events) {
        EventMessage message = new EventMessage();
        message.messages = events;

        Optional<String> data = json.stringify(message);

        if(data.isPresent()) {
            executor.submit(() -> clientReceive(data.get()));
        }
    }

    private void serverReceive(String data) {
        Optional<BasicMessage> message = json.parse(data);

        if(message.isPresent()) {
            Optional<List<Event>> result = server.checkRequestsAndApply(((RequestMessage)message.get()).messages);

            if(result.isPresent()) {
                executor.submit(() -> serverSend(result.get().toArray(new Event[0])));
            }
        }
    }
}