using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input.Touch;
using Penguloon.Scenes;

namespace Penguloon.Levels
{
    public abstract class LevelBase
    {
        public GameScene ParentScene { get; set; }

        public Texture2D SplashArt { get; set; }

        public Map Map { get; set; }

        public int Health { get; set; }

        public int Money { get; set; } = 0;

        public int ID { get; set; }

        public int Kills { get; set; } = 0;

        public bool Finished { get; set; } = false;

        public LevelBase()
        {

        }

        public abstract void CreateMap();

        public virtual void Initialize(GameScene sceneBase)
        {
            this.ParentScene = sceneBase;
            CreateMap();
        }

        public void Draw(float deltaTime)
        {
            Map.Draw(deltaTime);

            DrawUnique(deltaTime);
        }

        public void Update(float deltaTime, TouchLocation[] touchLocations)
        {
            Map.Update(deltaTime);

            if(Health <= 0)
            {
                Finished = true;
            }

            UpdateUnique(deltaTime, touchLocations);
            CheckForObjectPlacement(touchLocations);
        }

        private void CheckForObjectPlacement(TouchLocation[] touchLocations)
        {
            if (ParentScene.ObjectSeletor.State == Controls.State.Idle || ParentScene.ObjectSeletor.SelectedObjectIndex == -1) return;

            for(int i = 0; i < touchLocations.Length; i++)
            {
                if (touchLocations[i].Position.X > Map.MapWidth) return;
                if (touchLocations[i].Position.Y > Map.MapHeight) return;

                int tileX = (int)touchLocations[i].Position.X / Map.TileWidth;
                int tileY = (int)touchLocations[i].Position.Y / Map.TileHeight;

                if (Map.TileMap[tileY, tileX].Direction != Direction.None) return;

                int posToSpawnX = tileX * Map.TileWidth;
                int posToSpawnY = tileY * Map.TileHeight;

                // check if there isnt an object already
                for (int x = 0; x < Map.Objects.Count; x++)
                {
                    if (Map.Objects[x].Position == new Vector2(posToSpawnX, posToSpawnY))
                        return;
                }

                Money -= ParentScene.ObjectSeletor.Objects[ParentScene.ObjectSeletor.SelectedObjectIndex].Item2;

                Map.SpawnObject(ParentScene.ObjectSeletor.Objects[ParentScene.ObjectSeletor.SelectedObjectIndex].Item1.GetType(), 
                    new Vector2(posToSpawnX, posToSpawnY));

                ParentScene.ObjectSeletor.State = Controls.State.Idle;
                ParentScene.ObjectSeletor.SelectedObjectIndex = -1;
            }
        }

        public virtual void DrawUnique(float deltaTime)
        {

        }

        public virtual void UpdateUnique(float deltaTime, TouchLocation[] touchLocations)
        {

        }

        public void FinishGame()
        {
            // upload score here or something
        }
    }
}