using System;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.Graphics;
using SerializedData;

namespace BouncyCatIsBouncy
{
    
    class Level
    {
        public delegate void LevelHandler();
        public event LevelHandler OnWin;
        public event LevelHandler OnLose;

        public Texture2D Background { get; private set; }

        Cat m_cat;
        AudioBank m_music;
        public Level(string level, SpriteBatch batch, ContentManager content, Physics physics, Input<Activity> input, ObjectManager manager, AudioBank music)
        {
           
            m_music = music;
            m_music.PlayCue("prelaunch");

            m_cat = new Cat(batch, physics);
            manager.AddDynamicObject(m_cat);
            m_cat.OnLaunch += OnLaunch;
            m_cat.OnDeath += Lose;

            var controller = new CatController(input, m_cat, new Track());
            manager.AddObject(controller);
#if !EDITOR
            var levelData = content.Load<LevelData>(level + "-data");
            var rand = new Random();
            foreach (var obb in levelData.OBBs)
            {
                PhysicsBody body = SolidArea.Create(physics, new OBB(obb.Width, obb.Height, obb.Rotation, obb.Center));
                if (obb.Sound.Length > 0)
                {
                    var sound = content.Load<SoundEffect>(obb.Sound);
                    body.OnCollision += (unused) => sound.Play(0.25f, (float)(rand.NextDouble() / 2.0), 0.0f);
                }
                body.CollisionResponseEnable = obb.Solid;
                HandleSpecialCases(body, manager, batch, obb.Special);
            }
            foreach (var rbb in levelData.RBBs)
            {
                PhysicsBody body = SolidArea.Create(physics, new RadialBB(rbb.Radius, rbb.Center));
                if (rbb.Sound.Length > 0)
                {
                    var sound = content.Load<SoundEffect>(rbb.Sound);
                    body.OnCollision += (unused) => sound.Play(0.25f, (float)(rand.NextDouble() / 2.0), 0.0f);
                }
                body.CollisionResponseEnable = rbb.Solid;
                HandleSpecialCases(body, manager, batch, rbb.Special);
            }

            Background = content.Load<Texture2D>(level + "-bg");
#endif
            manager.AddDynamicObject(new Cannon(batch, m_cat, input));

            
        }

        Random rand = new Random();
        private void HandleSpecialCases(PhysicsBody body, ObjectManager manager, SpriteBatch batch, string type)
        {
            switch (type)
            {
                case "Yarn":
                    body.OnCollision += (unused) => Win();
                    manager.AddDynamicObject(new Yarn(batch, body.Position));
                    break;
                case "Heater":
                    body.OnCollision += (unused) => Lose();
                    manager.AddDynamicObject(new Heater(batch, body));
                    break;
                case "Pigeon":
                    manager.AddDynamicObject(new Pigeon(batch, body, (float)rand.NextDouble() * 570.0f));
                    break;
                case "Chandelier":
                    manager.AddDynamicObject(new Chandelier(batch, body));
                    break;
                default:
                    break;
            }
        }

        private void Win()
        {
            if (OnWin != null)
            {
                OnWin();
            }
        }

        private void Lose()
        {
            if (OnLose != null)
            {
                OnLose();
            }
        }

        private void OnLaunch()
        {
            m_music.PlayCue("launch");
        }
    }
}