using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Xna.Framework;
using SynthySound;
using EvilSatellites.Screens;
using EvilSatellites.Weapons;

namespace EvilSatellites.Objects
{
    public class Player : AbstractGameObject
    {
        private Vector3 _PrevPos;
        private Vector3 MaxSpeed = new Vector3(0.2f, 0.2f, 0.2f);
        public Vector3 Acceleration = new Vector3(0.0035f, 0.004f, 0.004f);
        private Vector3 Deceleration = new Vector3(0.0025f, 0.0025f, 0.0025f);
        private ISoundEffect sfxEngine;
        private ISoundEffect sfxWhine;
        private ISoundEffect sfxDamage;
        private SoundPatch sfxElevator;
        private SoundPatch sfxVacuum;
        private SoundPatch sfxTurn;
        private AudioAsset sfxTaps;
        public IWeapon CurrentWeapon;
        private int Turning;
        private int Elevating;
        public bool Vacuuming;
        public float Health;
        private Random rnd = new Random();
        private bool IsDamaged;
        public Player(IScreen screen): base(screen)
        {
            ShouldDestroy = false;
            Active = true;
            Type = ObjectType.Player;
            Position = new Vector3(5000, 5000, 4990);
            Dimensions = new Vector3(5, 5, 5);
            Movement = new Vector3(0, 0, 0);
            Rotation = Matrix.Identity;
            Orientation = Rotation.Forward;
            CurrentWeapon = new LaserMG(this, (GameScreen)Screen);
            Turning = 0;
            Elevating = 0;
            Vacuuming = false;
            Health = 100;
            Activate();
        }

        override public void Activate()
        {
            sfxEngine = Screen.Manager.Sound.Load(@"sfx/engine/int/engineThrust.wav", false);
            sfxWhine = Screen.Manager.Sound.Load(@"sfx/engine/int/engineWhine.wav", false);
            sfxTurn = new SoundPatch(Screen.Manager.Sound, @"sfx/ship/turn", 200);
            sfxVacuum = new SoundPatch(Screen.Manager.Sound, @"sfx/ship/vacuum", 500);
            sfxElevator = new SoundPatch(Screen.Manager.Sound, @"sfx/ship/elevator", 250);
            sfxEngine.Loop = true;
            sfxWhine.Loop = true;
            sfxEngine.ConnectToEffect(Screen.Manager.EnvironmentEffect);
            sfxWhine.ConnectToEffect(Screen.Manager.EnvironmentEffect);
            sfxEngine.Play();
            sfxWhine.Play();
            sfxDamage = Screen.Manager.Sound.Load(@"sfx/ui/alarmDamage.wav", false);
            sfxDamage.Loop = true;
            sfxTaps = new AudioAsset(Screen.Manager.Sound, @"sfx/ship/taps", 1, 20);
            return;
        }


        public override void Destroy()
        {
            sfxEngine.Destroy();
            sfxWhine.Destroy();
            sfxVacuum.Destroy();
            sfxTurn.Destroy();
            sfxTaps.Destroy();
            sfxElevator.Destroy();
            sfxDamage.Destroy();
            return;
        }
        override public void Update(GameTime gameTime)
        {
            CurrentWeapon.Update(gameTime);
            Move(Movement);
            if (Turning == -1)
            {
                RotateY(0.035f);
            }
            if (Turning == 1)
            {
                RotateY(-0.035f);
            }
            if (Elevating == -1)
            {
                RotateX(-0.035f);
            }
            if (Elevating == 1)
            {
                RotateX(0.035f);
            }
            sfxEngine.Pitch = 0.5 + (Movement.Length() / MaxSpeed.Length()) * 4;
            sfxWhine.Pitch = 0.5 + (Movement.Length() / MaxSpeed.Length()) * 1;
            sfxWhine.Volume = MathF.Pow(Movement.Length() / MaxSpeed.Length(), 2f);
            sfxTurn.Update(gameTime);
            sfxElevator.Update(gameTime);
            sfxVacuum.Update(gameTime);
            if (Movement.Length() != 0)
            {
                if (Movement.X > 0)
                {
                    Movement.X -= Deceleration.X;
                } else
                {
                    Movement.X += Deceleration.X;
                }
                if (Movement.Y > 0)
                {
                    Movement.Y -= Deceleration.Y;
                }
                else
                {
                    Movement.Y += Deceleration.Y;
                }
                if (Movement.Z > 0)
                {
                    Movement.Z -= Deceleration.Z;
                }
                else
                {
                    Movement.Z += Deceleration.Z;
                }
            }
        }

        public void Accelerate(Vector3 direction)
        {
            if (Math.Abs(Movement.X) < MaxSpeed.X && Math.Abs(Movement.Y) < MaxSpeed.Y && Math.Abs(Movement.Z) < MaxSpeed.Z)
            {
                Movement += direction;
            }
        }

        public void StartTurning(int dir, GameTime time)
        {
            Turning = dir;
            sfxTurn.Start(time);
            PlayTap();
        }

        public void StopTurning()
        {
            Turning = 0;
            sfxTurn.Stop();
        }

        public void StartElevating(int dir, GameTime time)
        {
            Elevating = dir;
            sfxElevator.Start(time);
            PlayTap();
        }

        public void StopElevating()
        {
            Elevating = 0;
            sfxElevator.Stop();
        }

        public void StartVacuuming(GameTime time)
        {
            Vacuuming = true;
            sfxVacuum.Start(time);
            PlayTap();
        }

        public void StopVacuuming()
        {
            Vacuuming = false;
            sfxVacuum.Stop();
        }

        public void TakeDamage(float dmg)
        {
            Health -= dmg;
            if (Health < 25 && !IsDamaged)
            {
                IsDamaged = true;
                sfxDamage.Play();
            }
            string dmgSound = @"sfx/physics/collisions/";
            if (dmg > 60)
            {
                dmgSound += "heavy";
            } else if (dmg > 30)
            {
                dmgSound += "medium";
            } else
            {
                dmgSound += "light";
            }
            dmgSound += "/int/" + (rnd.Next(2)+1).ToString()+".wav";
            Screen.Manager.Sound.PlayOneshot(dmgSound);
        }

        public void PlayTap()
        {
            sfxTaps.Play();
        }
    }
}