package io.gitlab.jfronny.betterwhitelist.client;

import io.gitlab.jfronny.betterwhitelist.BetterWhitelist;
import io.gitlab.jfronny.muscript.compiler.Parser;
import io.gitlab.jfronny.muscript.data.Scope;
import io.gitlab.jfronny.muscript.data.dynamic.DCallable;
import io.gitlab.jfronny.muscript.data.dynamic.Dynamic;
import io.gitlab.jfronny.muscript.data.dynamic.additional.DFinal;
import net.fabricmc.api.*;
import net.fabricmc.fabric.api.client.networking.v1.ClientLoginNetworking;
import net.fabricmc.fabric.api.networking.v1.PacketByteBufs;
import net.minecraft.network.PacketByteBuf;

import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.CompletableFuture;

@Environment(EnvType.CLIENT)
public class BetterWhitelistClient implements ClientModInitializer {
    @Override
    public void onInitializeClient() {
        ClientLoginNetworking.registerGlobalReceiver(BetterWhitelist.LOGIN_CHANNEL, (client, handler, buf, listenerAdder) -> {
            Scope fork = BetterWhitelist.SCOPE.fork();
            String scriptSource = buf.readString();
            BetterWhitelist.LOG.info("Received challenge: " + scriptSource);
            DCallable script = Parser.parse(scriptSource).asDynamicExpr().get(fork).asCallable();
            int paramSize = buf.readInt();
            List<Dynamic<?>> params = new LinkedList<>();
            for (int i = 0; i < paramSize; i++) {
                params.add(Dynamic.deserialize(buf.readString()));
            }
            String resultString = Dynamic.serialize(script.call(DFinal.of(params)));
            BetterWhitelist.LOG.info("Sending result: " + resultString);
            PacketByteBuf resultBuf = PacketByteBufs.create();
            resultBuf.writeString(resultString);
            return CompletableFuture.completedFuture(resultBuf);
        });
    }
}