using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using System;
using System.Collections.Generic;

namespace Barotrauma
{
    class BrokenItemSprite
    {
        //sprite will be rendered if the condition of the item is below this
        public readonly float MaxCondition;
        public readonly Sprite Sprite;
        public readonly bool FadeIn;

        public BrokenItemSprite(Sprite sprite, float maxCondition, bool fadeIn)
        {
            Sprite = sprite;
            MaxCondition = MathHelper.Clamp(maxCondition, 0.0f, 100.0f);
            FadeIn = fadeIn;
        }
    }

    partial class ItemPrefab : MapEntityPrefab
    {
        public List<BrokenItemSprite> BrokenSprites = new List<BrokenItemSprite>();

        public Sprite GetActiveSprite(float condition)
        {
            Sprite activeSprite = sprite;
            foreach (BrokenItemSprite brokenSprite in BrokenSprites)
            {
                if (condition <= brokenSprite.MaxCondition)
                {
                    activeSprite = brokenSprite.Sprite;
                    break;
                }
            }
            return activeSprite;
        }

        public override void DrawPlacing(SpriteBatch spriteBatch, Camera cam)
        {
            Vector2 position = Submarine.MouseToWorldGrid(cam, Submarine.MainSub);

            if (PlayerInput.RightButtonClicked())
            {
                selected = null;
                return;
            }

            if (!ResizeHorizontal && !ResizeVertical)
            {
                sprite.Draw(spriteBatch, new Vector2(position.X + sprite.size.X / 2.0f, -position.Y + sprite.size.Y / 2.0f), SpriteColor);
            }
            else
            {
                Vector2 placeSize = size;

                if (placePosition == Vector2.Zero)
                {
                    if (PlayerInput.LeftButtonHeld()) placePosition = position;
                }
                else
                {
                    if (ResizeHorizontal)
                        placeSize.X = Math.Max(position.X - placePosition.X, size.X);
                    if (ResizeVertical)
                        placeSize.Y = Math.Max(placePosition.Y - position.Y, size.Y);

                    position = placePosition;
                }

                if (sprite != null) sprite.DrawTiled(spriteBatch, new Vector2(position.X, -position.Y), placeSize, color: SpriteColor);
            }
        }
    }
}