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

namespace Penguloon
{
    public static class SceneManager
    {
        public static SelectedScene SelectedScene { get; set; } = SelectedScene.Loading;

        public static SceneBase MenuScene { get; set; }

        public static SceneBase LevelSelectionScene { get; set; }

        public static SceneBase LoadingScene { get; set; }

        public static SceneBase GameScene { get; set; }

        /// <summary>
        /// Initialize scene manager.
        /// </summary>
        public static void Initialize(Main main)
        {
            LoadingScene = new LoadingScene(main);
        }

        /// <summary>
        /// Draw selected scene.
        /// </summary>
        /// <param name="deltaTime">Delta time.</param>
        public static void Draw(float deltaTime)
        {
            switch (SelectedScene)
            {
                case SelectedScene.Menu:
                    MenuScene.Draw(deltaTime); break;
                case SelectedScene.Ingame:
                    GameScene.Draw(deltaTime); break;
                case SelectedScene.LevelSelection:
                    LevelSelectionScene.Draw(deltaTime); break;
                case SelectedScene.Loading:
                    LoadingScene.Draw(deltaTime); break;

                default:
                    return;
            }
        }

        /// <summary>
        /// Update selected scene.
        /// </summary>
        /// <param name="deltaTime">Delta time.</param>
        /// <param name="touchLocations">Finger touch points.</param>
        public static void Update(float deltaTime, TouchLocation[] touchLocations)
        {
            switch (SelectedScene)
            {
                case SelectedScene.Menu:
                    MenuScene.Update(deltaTime, touchLocations); break;
                case SelectedScene.Ingame:
                    GameScene.Update(deltaTime, touchLocations); break;
                case SelectedScene.LevelSelection:
                    LevelSelectionScene.Update(deltaTime, touchLocations); break;
                case SelectedScene.Loading:
                    LoadingScene.Update(deltaTime, touchLocations); break;

                default:
                    return;
            }
        }
    }
}