using UnityEngine;
using System.Collections;
using com.rfilkov.kinect;


namespace com.rfilkov.components
{
    public class EggSpawner : MonoBehaviour
    {
        [Tooltip("Index of the player, tracked by this component. 0 means the 1st player, 1 - the 2nd one, 2 - the 3rd one, etc.")]
        public int playerIndex = 0;

        [Tooltip("Prefab (model and components) used to instantiate eggs in the scene.")]
        public Transform eggPrefab;

        private float nextEggTime = 0.0f;
        private float spawnRate = 1.5f;

        void Update()
        {
            if (nextEggTime < Time.time)
            {
                SpawnEgg();
                nextEggTime = Time.time + spawnRate;

                spawnRate = Mathf.Clamp(spawnRate, 0.3f, 99f);
            }
        }

        void SpawnEgg()
        {
            KinectManager kinectManager = KinectManager.Instance;

            if (eggPrefab && kinectManager && kinectManager.IsInitialized() && kinectManager.IsUserDetected(playerIndex))
            {
                ulong userId = kinectManager.GetUserIdByIndex(playerIndex);
                Vector3 posUser = kinectManager.GetUserPosition(userId);

                float addXPos = Random.Range(-2f, 2f);
                Vector3 spawnPos = new Vector3(addXPos, 5f, posUser.z - 0.1f);

                Transform eggTransform = Instantiate(eggPrefab, spawnPos, Quaternion.identity) as Transform;
                eggTransform.parent = transform;
            }
        }

    }
}