package org.simantics.interop.scl;

import java.util.HashMap;
import java.util.Map;

import org.simantics.scl.runtime.function.Function;
import org.simantics.utils.datastructures.MapList;

@SuppressWarnings({"rawtypes","unchecked"})
public class FunctionRegistry {
    
    
    static Map<Object, MapList<String, Function>> map = new HashMap<Object, MapList<String,Function>>();
    
    public static void register(Object key, String name, Function f) {
        MapList<String, Function> fmap = map.get(key);
        if (fmap == null) {
            fmap = new MapList<>();
            map.put(key, fmap);
        }
        fmap.add(name, f);
    }
    
    public static void call0 (Object key, String name) {
        MapList<String, Function> fmap = map.get(key);
        if (fmap == null)
            return;
        for (Function f : fmap.getValues(name)) {
            f.apply(null);
        }
    }
    
    
    public static void call1 (Object key, String name, Object o1) {
        MapList<String, Function> fmap = map.get(key);
        if (fmap == null)
            return;
        for (Function f : fmap.getValues(name)) {
            f.apply(o1);
        }
    }
    
    public static void call2 (Object key, String name, Object o1, Object o2) {
        MapList<String, Function> fmap = map.get(key);
        if (fmap == null)
            return;
        for (Function f : fmap.getValues(name)) {
            f.apply(o1,o2);
        }
    }
    
    public static void call3 (Object key, String name, Object o1, Object o2, Object o3) {
        MapList<String, Function> fmap = map.get(key);
        if (fmap == null)
            return;
        for (Function f : fmap.getValues(name)) {
            f.apply(o1,o2,o3);
        }
    }
    
    public static void call4 (Object key, String name, Object o1, Object o2, Object o3, Object o4) {
        MapList<String, Function> fmap = map.get(key);
        if (fmap == null)
            return;
        for (Function f : fmap.getValues(name)) {
            f.apply(o1,o2,o3,o4);
        }
    }
    
    public static void clear(Object key) {
        map.remove(key);
    }
    
    public static void clear(Object key, String name) {
        MapList<String, Function> fmap = map.get(key);
        if (fmap == null)
            return;
        fmap.remove(name);
    }
    

}