using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Otter {
    public class GraphicList : Graphic {

        public List<Graphic> Graphics = new List<Graphic>();

        public GraphicList(params Graphic[] graphics) {
            Graphics.AddRange(graphics);
        }

        public Graphic this[int index] {
            get { return Graphics[index]; }
            set { Graphics[index] = value; }
        }

        public T GetGraphic<T>(int index) where T : Graphic {
            return (T)this[index];
        }

        public T Add<T>(T graphic) where T : Graphic {
            Graphics.Add(graphic);
            return graphic;
        }

        public void Clear() {
            Graphics.Clear();
        }

        public void AddRange(params Graphic[] graphics) {
            Graphics.AddRange(graphics);
        }

        public void AddRange(IEnumerable<Graphic> graphics) {
            Graphics.AddRange(graphics);
        }

        public override void Update() {
            base.Update();

            foreach (var g in Graphics) {
                g.Update();
            }
        }

        public override void Render(float x = 0, float y = 0) {
            base.Render(x, y);

            if (!Visible) return;

            foreach (var g in Graphics) {
                g.Render(x + X, y + Y);
            }
        }

    }
}