using System.Collections;
using System.Collections.Generic;
using UnityEngine.UI;
using UnityEngine;

public class WaterUI : MonoBehaviour {

    public Material a;
    public Sprite[] sprites;
    public Button spriteButton;
    public Button spriteButton2;
    public Button spriteButton3;
    private GameObject[] lights;
    private GameObject[] bulbs;
    bool clicked, clicked2, clicked3, clicked4;
    public Scrollbar slider;
    private GameObject waterPlane;
    private bool lightsOff;

    private void Start()
    {
        // gets all lights and bulbs in the scene and puts them in an array for use when toggling
        lights = GameObject.FindGameObjectsWithTag("lights");
        bulbs = GameObject.FindGameObjectsWithTag("bulbs");
        waterPlane = GameObject.Find("WaterProNighttime");
    }

    private void Update()
    {
        // moves water plane down if button drain toggled
        if(clicked && waterPlane.transform.position.y > -0.1f)
            waterPlane.transform.position -= Vector3.up/1000;
    }

    public void changeUIdrain(int i)
    {
        // toggle
        if (clicked)
            clicked = false;
        else
            clicked = true;

        // changes sprites dependant on toggle state
        if (clicked == true)
          spriteButton.GetComponent<Image>().sprite = sprites[i];

        else
          spriteButton.GetComponent<Image>().sprite = sprites[i-1];

    }

  public void changeUIlight(int i)
    {
        // toggle
        if (clicked2)
          clicked2 = false;
        else
          clicked2 = true;

        // changes options dependant on toggle state
        if (clicked2 == true)
            {
                lightsOff = false;
                spriteButton2.GetComponent<Image>().sprite = sprites[i-1];
                RenderSettings.ambientIntensity = 0;
                RenderSettings.reflectionIntensity = 0;
                GameObject.Find("Flashlight").GetComponent<Light>().enabled= true;

                foreach(GameObject light in lights)
                    {
                        light.SetActive(false);
                    }
                foreach (GameObject bulb in bulbs)
                    {
                        bulb.GetComponent<Renderer>().material.SetColor("_EmissionColor", Color.black);
                    }
            }
        else
            {
                spriteButton2.GetComponent<Image>().sprite = sprites[i];
                RenderSettings.ambientIntensity = 1;
                RenderSettings.reflectionIntensity = 1;
                lightsOff = true;

                GameObject.Find("Flashlight").GetComponent<Light>().enabled= false;
                foreach(GameObject light in lights)
                {
                    light.SetActive(true);
                }
                foreach(GameObject bulb in bulbs)
                {
                    bulb.GetComponent<Renderer>().material.SetColor("_EmissionColor", Color.white);
                }


            }
    }


  public void changeUIsmoke(int i)
    {
        // toggle
        if (clicked3)
            clicked3 = false;
        else
            clicked3 = true;

        // changes options dependant on toggle state
        if (clicked3 == true)
            {
                spriteButton3.GetComponent<Image>().sprite = sprites[i];
                RenderSettings.fog = true;
            }
        else
            {
                spriteButton3.GetComponent<Image>().sprite = sprites[i-1];
                RenderSettings.fog = false;
            }
    }

    public void smokeDensity()
    {
        if (RenderSettings.fog == true)
              RenderSettings.fogDensity = slider.value;
    }

   public void hideUI()
    {
    // toggle
        if (clicked4)
            clicked4 = false;
        else
            clicked4 = true;

        // changes sprites dependant on toggle state
        if (clicked4 == true)
            {
                gameObject.SetActive(false);
            }
        else
            {
                gameObject.SetActive(true);
            }
    }
}