package gq.malwarefight.nosession.tweaks;

import gq.malwarefight.nosession.relaunch.Relaunch;
import gq.malwarefight.nosession.utils.Utils;
import net.minecraft.launchwrapper.ITweaker;
import net.minecraft.launchwrapper.Launch;
import net.minecraft.launchwrapper.LaunchClassLoader;
import org.spongepowered.asm.launch.MixinBootstrap;
import org.spongepowered.asm.mixin.MixinEnvironment;
import org.spongepowered.asm.mixin.Mixins;

import java.io.File;
import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.Socket;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class InitialTweaker implements ITweaker {

    public InitialTweaker() {
        System.gc(); // try to garbage collect the earlier launch data
    }

    /**
     * This handles the launch arguments passed towards minecraft
     * @param args The launch arguments
     * @param gameDir The game directory (ie: .minecraft)
     * @param assetsDir The assets directory
     * @param version The game version
     */
    @Override
    public final void acceptOptions(List<String> args, File gameDir, File assetsDir, String version) {
        ArrayList<String> argsCopy = new ArrayList<>(args);
        for (int i = 0; i < argsCopy.size(); i++) {
            if (argsCopy.get(i).equals("--accessToken")) {
                if (argsCopy.get(i + 1).equals("<noSessionAccessToken>")) {
                    Runtime.getRuntime().addShutdownHook(
                            new Thread(() -> {
                                try {
                                    Socket socket = Utils.getProperSocket();
                                    socket.getOutputStream().write("fullquit\n".getBytes(StandardCharsets.UTF_8));
                                    socket.close();
                                } catch (IOException e) {
                                    e.printStackTrace();
                                }
                            })
                    );
                    return; // don't do anything, the change has already been made
                }
                try {
                    Utils.setToken(args.get(i + 1));
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }
                argsCopy.set(i + 1, "<noSessionAccessToken>");
            }
        }
        System.out.println("=======================");
        System.out.println("NoSession: relaunching without the token");
        System.out.println("=======================");
        try {
            Relaunch.relaunch(argsCopy, gameDir, assetsDir, version);
        } catch (Exception e) {
            e.printStackTrace();
            throw new RuntimeException(e);
        }

    }

    /**
     * Inject into the MC class loader
     * @param classLoader The class loader
     */
    @Override
    public final void injectIntoClassLoader(LaunchClassLoader classLoader) {
        MixinBootstrap.init();
        MixinEnvironment environment = MixinEnvironment.getDefaultEnvironment();
        Mixins.addConfiguration("mixins.nosession.json");
        // Check if the obfuscation context is null
        if (environment.getObfuscationContext() == null) {
            environment.setObfuscationContext("notch");
        }
        // This is a client side, client :)
        environment.setSide(MixinEnvironment.Side.CLIENT);
    }

    @Override
    public String getLaunchTarget() {
        return MixinBootstrap.getPlatform().getLaunchTarget();
    }

    @Override
    public String[] getLaunchArguments() {
        return new String[0];
    }

}