using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Xna.Framework;
using EvilSatellites.Objects;
using EvilSatellites.Screens;

namespace EvilSatellites
{
    public class SatelliteSpawner
    {
        public GameScreen Screen;
        private Random rnd = new Random();
        private int Level;
        private double RespawnTimer;
        private bool IsRespawning;
        public SatelliteSpawner(GameScreen screen)
        {
            Screen = screen;
            Level = 1;
        }

        public void Spawn()
        {
            for (var i = 0; i < Level*2; i++)
            {
                var player = Screen.Objects.Where((x) => x.Type == ObjectType.Player).FirstOrDefault();
                var x = player.Position.X-250f + (float)rnd.NextDouble() * 500;
                var y = player.Position.Y - 250f + (float)rnd.NextDouble() * 500;
                var z = player.Position.Z - 250f + (float)rnd.NextDouble() * 500;
                // DavyKager.Tolk.Speak("Spawning sat at " + x.ToString() + ", " + y.ToString() + ", " + z.ToString());
                var sat = new Satellite(Screen, new Vector3(x, y, z));
                Screen.AddObject(sat);
            }
            Screen.Manager.Sound.PlayOneshot(@"sfx/ui/enemiesDetected.wav");
            IsRespawning = false;
        }

        public void Update(GameTime time)
        {
            var sats = Screen.Objects.Where((x) => x.Type == ObjectType.Satellite).ToList();
            if (sats.Count < 1 && IsRespawning == false)
            {
                IsRespawning = true;
                RespawnTimer = 0;
            }
            if (IsRespawning)
            {
                RespawnTimer += time.ElapsedGameTime.TotalMilliseconds;
                if (RespawnTimer > 5000)
                {
                    GameStats.Wave++;
                    Level++;
                    Spawn();
                    Screen.Manager.Computer.Play("Wave");
                }

            }
        }

        public void Destroy()
        {
            return;
        }
    }
}