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

public class ChangeLightColour : MonoBehaviour
{
    public Color _lightColour;
    public Renderer[] _lampRenderer;
    public Material _lampRendererMaterial;
    public Renderer[] _lightRend;
    public Material _lightRendererMaterial;
    [Tooltip("If is left null then it will automatically try to find the lights in the children")]
    public Light[] _light;
    [Tooltip("Optional! If left null then if the light you changed the color of has a switch handle the emssive color will not be updated resulting in false colors when you interact with the light switch")]
    public LightInteractableData lightInteractableData;
    private float _lampIntensity;

    // Array of indices for materials to replace in _lampRenderer
    [SerializeField] private int[] _lampRendererMaterialIndices;
    // Array of indices for materials to replace in _lightRend
    [SerializeField] private int[] _lightRendererMaterialIndices;

    private void Awake()
    {
        if (_light == null)
        {
            _light = transform.GetComponentsInChildren<Light>();
        }
    }

    public void ChangeColour()
    {
        #region Material change
        if (_lampRenderer != null)
        {
            foreach (Renderer lampRend in _lampRenderer)
            {
                lampRend.material = _lampRendererMaterial;
                if (lightInteractableData != null)
                {
                    lightInteractableData.UpdateLightEmissionAndExposureWeightOnRuntime();
                }
            }
        }
        if (_lightRend != null)
        {
            foreach (Renderer lightRend in _lightRend)
            {
                lightRend.material = _lightRendererMaterial;
                if (lightInteractableData != null)
                {
                    lightInteractableData.UpdateLightEmissionAndExposureWeightOnRuntime();
                }
            }
        }
        #endregion

        foreach (Light light in _light)
        {
            light.color = _lightColour;
        }
    }

    public void ChangeColorBasedOnIndices() 
    {
        #region Material change
        if (_lampRenderer != null && _lampRendererMaterial != null && _lampRendererMaterialIndices != null)
        {
            foreach (Renderer lampRend in _lampRenderer)
            {
                Material[] materials = lampRend.materials;
                foreach (int index in _lampRendererMaterialIndices)
                {
                    if (index >= 0 && index < materials.Length)
                    {
                        materials[index] = _lampRendererMaterial;
                        lampRend.materials = materials;
                        if (lightInteractableData != null)
                        {
                            lightInteractableData.UpdateLightEmissionAndExposureWeightOnRuntimeBasedOnIndices(index);
                        }
                    }
                }
                //lampRend.materials = materials;
                //if (lightInteractableData != null)
                //{
                //    lightInteractableData.UpdateLightEmissionAndExposureWeightOnRuntimeBasedOnIndices(index);
                //}
            }
        }

        if (_lightRend != null && _lightRendererMaterial != null && _lightRendererMaterialIndices != null)
        {
            foreach (Renderer lightRend in _lightRend)
            {
                Material[] materials = lightRend.materials;
                foreach (int index in _lightRendererMaterialIndices)
                {
                    if (index >= 0 && index < materials.Length)
                    {
                        materials[index] = _lightRendererMaterial;
                        lightRend.materials = materials;
                        if (lightInteractableData != null)
                        {
                            lightInteractableData.UpdateLightEmissionAndExposureWeightOnRuntimeBasedOnIndices(index);
                        }
                    }
                }
                //lightRend.materials = materials;
                //if (lightInteractableData != null)
                //{
                //    lightInteractableData.UpdateLightEmissionAndExposureWeightOnRuntimeBasedOnIndices(index);
                //}
            }
        }
        #endregion

        foreach (Light light in _light)
        {
            light.color = _lightColour;
        }

      
    }
}