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

namespace BouncyCatIsBouncy
{
    class Pigeon : IDynamicObject
    {
        Vector2 m_position, m_offset;
        SpriteBatch m_batch;
        Animation m_animation;
        SoundEffect m_chirp;
        float m_totalTime;
        bool m_active = true;

        public Pigeon(SpriteBatch batch, PhysicsBody body, float seed)
        {
            m_batch = batch;
            m_position = body.Position;
            body.OnCollision += (unused) => OnCollision();

            m_totalTime = seed;
        }

        private void OnCollision()
        {
            if (m_active)
            {
                m_active = false;
                m_chirp.Play();
            }
        }

        public void Draw()
        {
            if (m_active)
                m_animation.Draw();
        }


        public void LoadContent(ContentManager manager)
        {
            var texture = manager.Load<Texture2D>(@"Spritesheets/pigeon");
            m_chirp = manager.Load<SoundEffect>(@"Sounds/Misc/bird");
            m_animation = new Animation(m_batch, texture, 128, 128);
            m_animation.Padding = 1;
            m_animation.Speed = 500f;
            m_animation.Animating = true;
            m_animation.Update(m_totalTime);
        }


        public void Update(float dt)
        {
            if (m_active)
            {
                m_totalTime += dt;
                m_offset.Y = (float)Math.Sin(m_totalTime / 450.0f) * 13.0f;
                m_animation.Center = m_position + m_offset;
                m_animation.Update(dt);
            }
        }
    }
}