package com.direnode.forgevotifier;

import com.direnode.forgevotifier.cryptography.KeyGenerator;
import com.direnode.forgevotifier.cryptography.RSARead;
import com.direnode.forgevotifier.handler.ConfigurationHandler;
import com.direnode.forgevotifier.reference.Reference;
import cpw.mods.fml.common.Mod;
import cpw.mods.fml.common.event.*;

import java.io.File;
import java.io.FileOutputStream;
import java.security.KeyPair;

import org.apache.logging.log4j.*;

import javax.xml.bind.DatatypeConverter;

@Mod(modid = Reference.MOD_ID, name = "ForgeVotifier", version = Reference.MOD_VERSION, acceptableRemoteVersions = "*")
public class ForgeVotifier {

    public Logger logger;

    KeyPair keyPair;

    @Mod.Instance
    public static ForgeVotifier instance;

    @Mod.EventHandler
    public void preInit(FMLPreInitializationEvent event){

        logger = event.getModLog();

        ConfigurationHandler.init(event.getSuggestedConfigurationFile());
    }

    @Mod.EventHandler
    public void starting(FMLServerStartingEvent event){
        //Register test command
        event.registerServerCommand(new Command());
    }

    @Mod.EventHandler
    public void serverStart(FMLServerStartedEvent event){

        try{
            File publicKey = new File("votifier/PublicKey.key");
            File privateKey = new File("votifier/PrivateKey.key");

            if(!publicKey.exists() || !privateKey.exists()){
                keyPair = KeyGenerator.generate();

                publicKey.getParentFile().mkdirs();
                FileOutputStream fos = new FileOutputStream(publicKey);
                fos.write(DatatypeConverter.printBase64Binary(keyPair.getPublic().getEncoded()).getBytes());

                privateKey.getParentFile().mkdirs();
                fos = new FileOutputStream(privateKey);
                fos.write(DatatypeConverter.printBase64Binary(keyPair.getPrivate().getEncoded()).getBytes());
            }
            else{
                keyPair = RSARead.load("votifier");
            }
        }
        catch(Exception e){
            e.printStackTrace();
        }

        logger.info("Votifier Started!");
        new VoteHandler().start();
    }

}