package ftbsc.bscv.system;

import com.mojang.brigadier.CommandDispatcher;
import ftbsc.bscv.api.ILoadable;
import ftbsc.bscv.api.IModule;
import net.minecraft.command.CommandSource;
import net.minecraftforge.common.ForgeConfigSpec;

import java.util.HashSet;
import java.util.Optional;
import java.util.ServiceLoader;
import java.util.Set;

public class ModManager {
	private Optional<ForgeConfigSpec.Builder> cfgBuilder;
	private Optional<CommandDispatcher<CommandSource>> dispatcher;

	public final Set<IModule> mods;
	public final Set<String> categories;

	public ModManager(ForgeConfigSpec.Builder cfgBuilder, CommandDispatcher<CommandSource> dispatcher) {
		this.cfgBuilder = Optional.of(cfgBuilder);
		this.dispatcher = Optional.of(dispatcher);
		this.mods = new HashSet<>();
		this.categories = new HashSet<>();
	}
		
	public void load() {
		for (ILoadable module : ServiceLoader.load(ILoadable.class)) {
			if(module instanceof IModule) {
				IModule mod =  (IModule) module;
				this.mods.add(mod);
				this.categories.add(mod.getGroup());
				this.cfgBuilder.get().pop(); // TODO solved by AutoService, soon TM
			}
		}
	}

	public void finalize() {
		this.cfgBuilder = Optional.empty();
		this.dispatcher = Optional.empty();
	}

	public ForgeConfigSpec.Builder getCfgBuilder() {
		return cfgBuilder.get();
	}

	public CommandDispatcher<CommandSource> getDispatcher() {
		return dispatcher.get();
	}
}