using OpenCvSharp.Flann;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Experimental.GlobalIllumination;
using UnityEngine.Serialization;

[Serializable]
public class MirrorLibraryLightData 
{
    public List<Light> light;

    public bool ChangeLightColorToRed;
    public bool ChangeLightColorToGreen;

    public ChangeLightColour changeLightColourToOff;
    public ChangeLightColour changeLightColourToDefault;
    public ChangeLightColour changeLightColourToRed;
    public ChangeLightColour changeLightColourToGreen;
}
public class MirrorLibraryClockwiseLighting : MonoBehaviour
{
    public List<MirrorLibraryLightData> lightData;
    public List<MirrorLibraryLightData> lightDataMirrored;

    public float waitTime = 0.3f;
    public int currentLightIndex;
    public int previousLightIndex;
    public bool shouldUpdateClockwise;

    private Coroutine ClockwiseUpdaterCoroutine;

    private void Start()
    {
        previousLightIndex = lightData.Count - 1;
    }

    public void UpdateClockwise() 
    {
        foreach (var lightData in lightData)
        {
            foreach (var light in lightData.light)
            {
                light.enabled = false;
            }
            lightData.changeLightColourToOff.ChangeColour();
        }
        foreach (var lightDataMirrored in lightDataMirrored)
        {
            foreach (var light in lightDataMirrored.light)
            {
                light.enabled = false;
            }
            lightDataMirrored.changeLightColourToOff.ChangeColour();
        }

        shouldUpdateClockwise = true;
        if(ClockwiseUpdaterCoroutine == null) 
        {
            ClockwiseUpdaterCoroutine = StartCoroutine(ClockwiseUpdater());
        }
    }

    public void StopUpdatingClockwise() 
    {
        shouldUpdateClockwise = false;
        if (ClockwiseUpdaterCoroutine != null)
        {
            StopCoroutine(ClockwiseUpdaterCoroutine);
            ClockwiseUpdaterCoroutine = null;
        }
    }

    public void PuzzleSolved() 
    {
        StopUpdatingClockwise();
        CorrectSolution();
    }

    IEnumerator ClockwiseUpdater()
    {
        while (shouldUpdateClockwise)
        {
            UpdateLight(lightData);
            UpdateLight(lightDataMirrored);
            yield return new WaitForSeconds(waitTime);
            UpdateLightIndexes(lightData);
            //UpdateLightIndexes(lightDataMirrored);
            yield return null;
        }
    }

    private void UpdateLight(List<MirrorLibraryLightData> lightData)
    {
        foreach (var light in lightData[currentLightIndex].light)
        {
            light.enabled = true;
        }
        lightData[currentLightIndex].changeLightColourToDefault.ChangeColour();

        if (lightData[previousLightIndex].ChangeLightColorToGreen == false)
        {
            foreach (var light in lightData[previousLightIndex].light)
            {
                light.enabled = false;
            }
            lightData[previousLightIndex].changeLightColourToOff.ChangeColour();
        }

        if (lightData[currentLightIndex].ChangeLightColorToGreen)
        {
            if (lightData[currentLightIndex].changeLightColourToGreen!=null)
            lightData[currentLightIndex].changeLightColourToGreen.ChangeColour();
        }
        else if (lightData[currentLightIndex].ChangeLightColorToRed)
        {
            if (lightData[currentLightIndex].changeLightColourToRed != null)
                lightData[currentLightIndex].changeLightColourToRed.ChangeColour();
        }
        else if (lightData[currentLightIndex].ChangeLightColorToGreen == false && lightData[currentLightIndex].ChangeLightColorToRed == false)
        {
            if (lightData[currentLightIndex].changeLightColourToDefault != null)
                lightData[currentLightIndex].changeLightColourToDefault.ChangeColour();
        }        
    }
    private void UpdateLightIndexes(List<MirrorLibraryLightData> lightData)
    {
        previousLightIndex = currentLightIndex;
        currentLightIndex += 1;
        if (currentLightIndex >= lightData.Count)
        {
            previousLightIndex = lightData.Count -1;
            currentLightIndex = 0;
        }
    }

    public void ChangeLightColorToRed(int LightDataIndex) 
    {
        lightData[LightDataIndex].ChangeLightColorToRed = true;
        lightData[LightDataIndex].ChangeLightColorToGreen = false;
        lightData[LightDataIndex].changeLightColourToRed.ChangeColour();
    }

    public void ChangeLightColorToGreen(int LightDataIndex)
    {
        lightData[LightDataIndex].ChangeLightColorToRed = false;
        lightData[LightDataIndex].ChangeLightColorToGreen = true;
        lightData[LightDataIndex].changeLightColourToGreen.ChangeColour();
        foreach (var light in lightData[LightDataIndex].light)
        {
            light.enabled = true;
        }
    }

    public void ChangeLightColorToRedMirrored(int LightDataIndex)
    {
        lightDataMirrored[LightDataIndex].ChangeLightColorToRed = true;
        lightDataMirrored[LightDataIndex].ChangeLightColorToGreen = false;
        lightDataMirrored[LightDataIndex].changeLightColourToRed.ChangeColour();
    }

    public void ChangeLightColorToGreenMirrored(int LightDataIndex)
    {
        lightDataMirrored[LightDataIndex].ChangeLightColorToRed = false;
        lightDataMirrored[LightDataIndex].ChangeLightColorToGreen = true;
        lightDataMirrored[LightDataIndex].changeLightColourToGreen.ChangeColour();
        foreach (var light in lightDataMirrored[LightDataIndex].light)
        {
            light.enabled = true;
        }
    }

    public void CorrectSolution() 
    {
        foreach (var lightData in lightData)
        {
            foreach (var light in lightData.light)
            {
                light.enabled = true;
            }
            lightData.changeLightColourToGreen.ChangeColour();
        }
        foreach (var lightDataMirrored in lightDataMirrored)
        {
            foreach (var light in lightDataMirrored.light)
            {
                light.enabled = true;
            }
            lightDataMirrored.changeLightColourToGreen.ChangeColour();
        }
    }
}