using UnityEngine;
using System.Collections;

public class SubwayMidWayController : MonoBehaviour
{

    public Water myWater;
    public Light directionalLight;
    public Light[] LightsArr;
    public GameObject[] decalArr;
    private AudioSource waterAudioSource;
    private bool showGUI;

    private float myDecalCount = 0.0f;
    public float _myLightIntensity;
    public float _myDirtIntensity;
    public bool _spawnWater;
    private int compareCount;


    private Vector3 targetScale;
    private Vector3 targetPosition;
    private Vector3 initialPosition;
    private Vector3 initialScale;



    void Awake()
    {
        waterAudioSource = myWater.GetComponent<AudioSource>();
    }
    // Use this for initialization
    void Start()
    {
        int myDecalCountInt = decalArr.Length;
        myDecalCount = (float)myDecalCountInt;
        compareCount = 0;
        _spawnWater = false;


        //water
        initialPosition = myWater.transform.position;
        initialScale = myWater.transform.localScale;
        targetScale = new Vector3(8.0f, 1.0f, 8.0f);
        targetPosition = new Vector3(myWater.transform.position.x, myWater.transform.position.y, myWater.transform.position.z - 8);
    }



    #region TriggerEnter/Exit
    //User enters Zone 2
    void OnTriggerEnter(Collider other)
    {
        if (other.gameObject.tag == "Player")
        {
            Debug.Log("Enter Zone 2 & activating GUI");
            showGUI = true;

        }

    }

    //User leaves Zone 2
    void OnTriggerExit(Collider other)
    {
        if (other.gameObject.tag == "Player")
        {
            Debug.Log("Exit Zone 2 & deactivating GUI");
            showGUI = false;
        }

    }

    #endregion


    private Rect windowSize = new Rect(15, 15, 500, 400);
    void OnGUI()
    {
        if (showGUI)
        {
            windowSize = GUI.Window(0, windowSize, MyWindow, "Control");
        }
    }


    private void MyWindow(int id)
    {
        //Light Intensity
        GUILayout.Space(5);
        GUILayout.BeginHorizontal();
        GUILayout.Label("Light Intensity", GUILayout.Width(100));
        _myLightIntensity = GUI.HorizontalSlider(new Rect(10, 50, 450, 20), this.directionalLight.intensity * 10, 0.0f, 10.00f);
        if (GUI.changed == true)
        {
            UpdateIntensity();
        }
        GUILayout.EndHorizontal();

        //Dirt Intensity
        GUILayout.Space(25);
        GUILayout.BeginHorizontal();
        GUILayout.Label("Dirt Intensity", GUILayout.Width(100));
        _myDirtIntensity = GUI.HorizontalSlider(new Rect(10, 100, 450, 20), _myDirtIntensity, 0.0f, myDecalCount - 1);
        if (GUI.changed == true)
        {
            UpdateDirt();
        }
        GUILayout.EndHorizontal();

        //Control for spawning water in toilet
        GUILayout.Space(50);
        GUILayout.BeginHorizontal();
        GUILayout.Label("Spawn water in toilet", GUILayout.Width(150));

        _spawnWater = GUI.Toggle(new Rect(10, 170, 100, 20), _spawnWater, "ON/OFF");

        if (GUI.changed == true)
        {
            SpawnWater();
        }
        GUILayout.EndHorizontal();

    }



    private void UpdateIntensity()
    {
        /*      foreach(Light lightElement in LightsArr)
                {
                        lightElement.light.intensity = _myLightIntensity;
                }*/
        GameObject.Find("First Person Controller").GetComponent<Networking>().adjustLight_Corridor(_myLightIntensity);
        directionalLight.intensity = _myLightIntensity / 10;
    }

    private void UpdateDirt()
    {
        GameObject.Find("First Person Controller").GetComponent<Networking>().adjustDirt_Corridor(_myDirtIntensity);

        if (_myDirtIntensity == 0)
        {
            decalArr[0].SetActive(false);
        }
        if (_myDirtIntensity > compareCount)
        {
            Debug.Log("IF: compareCount " + compareCount + " _myDirtIntensity " + (int)_myDirtIntensity);
            for (int i = compareCount; i < (int)_myDirtIntensity; i++)
            {
                decalArr[i].SetActive(true);
            }
        }
        else if (_myDirtIntensity < compareCount)
        {
            Debug.Log("ELSE: compareCount " + compareCount + " _myDirtIntensity " + (int)_myDirtIntensity);
            for (int i = compareCount; i > (int)_myDirtIntensity; i--)
            {
                decalArr[i].SetActive(false);
            }
        }

        compareCount = (int)_myDirtIntensity;
    }


    private void SpawnWater()
    {
        if (_spawnWater == true) { waterAudioSource.Play(); }
        else { waterAudioSource.Stop(); }
    }



    void FixedUpdate()
    {

        if (_spawnWater == true)
        {
            myWater.transform.localScale = Vector3.Lerp(myWater.transform.localScale, targetScale, 0.1f * Time.smoothDeltaTime);
            myWater.transform.position = Vector3.Lerp(myWater.transform.position, targetPosition, 0.1f * Time.smoothDeltaTime);
        }
        else
        {
            myWater.transform.localScale = Vector3.Lerp(myWater.transform.localScale, initialScale, 0.1f * Time.smoothDeltaTime);
            myWater.transform.position = Vector3.Lerp(myWater.transform.position, initialPosition, 0.1f * Time.smoothDeltaTime);
        }

    }
}