using System;
using System.Collections.Generic;
using RecrownedGTK.AssetsSystem.Information;
using RecrownedGTK.AssetsSystem.Loaders;

namespace RecrownedGTK.AssetsSystem {
    public class AssetLoader {
        private readonly Dictionary<Type, ILoader> typeLoaders;
        public AssetLoader() {
            typeLoaders = new Dictionary<Type, ILoader>();
        }
        public void AddLoaderResolver(Type type, ILoader loader) {
            if (typeLoaders.ContainsKey(type)) {
                throw new InvalidOperationException(String.Format("The type {0} already exists in this resolver.", type));
            }
            typeLoaders.Add(type, loader);
        }
        public void RemoveLoaderResolver(Type type) {
            if (!typeLoaders.ContainsKey(type)) {
                throw new InvalidOperationException(String.Format("The type {0} doesn't exist in this resolver.", type));
            }
            typeLoaders.Remove(type);
        }
        public IInfo Load(string path, Type type) {
            if (!typeLoaders.ContainsKey(type)) {
                throw new InvalidOperationException(String.Format("The type {0} doesn't exist in this resolver.", type));
            }
            return typeLoaders[type].load(path);
        }
    }
}