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

public class HandTooltipsManager : MonoBehaviour
{
    public VRTK_ObjectTooltip triggerTooltip;
    public VRTK_ObjectTooltip gripTooltip;
    public VRTK_ObjectTooltip touchPadTooltip;
    public VRTK_ObjectTooltip buttonTwoTooltip;

    public Transform triggerAttach;
    public Transform gripAttach;
    public Transform touchPadAttach;
    public Transform buttonTwoAttach;

    [Header("CameraRig下对应")]
    public Transform handModel;

    private Dictionary<SDK_BaseController.ButtonTypes, MeshRenderer> renderers = new Dictionary<SDK_BaseController.ButtonTypes, MeshRenderer>();
    private List<MeshRenderer> flashingRenderers = new List<MeshRenderer>();

    private Material handleMaterial;
    private float startTime;
    private float tickCount;
    private int colorID;
    private void Awake()
    {
        colorID = Shader.PropertyToID("_Color");
    }

    public void ShowToolTip(SDK_BaseController.ButtonTypes _handBtnType)
    {
        InitRenderer();

        switch (_handBtnType)
        {
            case SDK_BaseController.ButtonTypes.ButtonOne:
                break;
            case SDK_BaseController.ButtonTypes.ButtonTwo:
                buttonTwoTooltip.gameObject.SetActive(true);
                buttonTwoAttach.gameObject.SetActive(true);
                SetFlashRendererState(SDK_BaseController.ButtonTypes.ButtonTwo, true);
                break;
            case SDK_BaseController.ButtonTypes.Grip:
                gripTooltip.gameObject.SetActive(true);
                gripAttach.gameObject.SetActive(true);
                SetFlashRendererState(SDK_BaseController.ButtonTypes.Grip, true);
                break;
            case SDK_BaseController.ButtonTypes.GripHairline:
                break;
            case SDK_BaseController.ButtonTypes.StartMenu:
                break;
            case SDK_BaseController.ButtonTypes.Trigger:
                triggerTooltip.gameObject.SetActive(true);
                triggerAttach.gameObject.SetActive(true);
                SetFlashRendererState(SDK_BaseController.ButtonTypes.Trigger, true);
                break;
            case SDK_BaseController.ButtonTypes.TriggerHairline:
                break;
            case SDK_BaseController.ButtonTypes.Touchpad:
                touchPadTooltip.gameObject.SetActive(true);
                touchPadAttach.gameObject.SetActive(true);
                SetFlashRendererState(SDK_BaseController.ButtonTypes.Touchpad, true);
                break;
            default:
                break;
        }
    }

    public void CloseToolTip(SDK_BaseController.ButtonTypes _handBtnType)
    {
        switch (_handBtnType)
        {
            case SDK_BaseController.ButtonTypes.ButtonOne:
                break;
            case SDK_BaseController.ButtonTypes.ButtonTwo:
                buttonTwoTooltip.gameObject.SetActive(false);
                buttonTwoAttach.gameObject.SetActive(false);
                SetFlashRendererState(SDK_BaseController.ButtonTypes.ButtonTwo, false);
                break;
            case SDK_BaseController.ButtonTypes.Grip:
                gripTooltip.gameObject.SetActive(false);
                gripAttach.gameObject.SetActive(false);
                SetFlashRendererState(SDK_BaseController.ButtonTypes.Grip, false);
                break;
            case SDK_BaseController.ButtonTypes.GripHairline:
                break;
            case SDK_BaseController.ButtonTypes.StartMenu:
                break;
            case SDK_BaseController.ButtonTypes.Trigger:
                triggerTooltip.gameObject.SetActive(false);
                triggerAttach.gameObject.SetActive(false);
                SetFlashRendererState(SDK_BaseController.ButtonTypes.Trigger, false);
                break;
            case SDK_BaseController.ButtonTypes.TriggerHairline:
                break;
            case SDK_BaseController.ButtonTypes.Touchpad:
                touchPadTooltip.gameObject.SetActive(false);
                touchPadAttach.gameObject.SetActive(false);
                SetFlashRendererState(SDK_BaseController.ButtonTypes.Touchpad, false);
                break;
            default:
                break;
        }
    }

    public void SetToolTips(bool state, bool flash)
    {
        InitRenderer();

        triggerTooltip.gameObject.SetActive(state);
        triggerAttach.gameObject.SetActive(state);

        gripTooltip.gameObject.SetActive(state);
        gripAttach.gameObject.SetActive(state);

        touchPadTooltip.gameObject.SetActive(state);
        touchPadAttach.gameObject.SetActive(state);

        buttonTwoTooltip.gameObject.SetActive(state);
        buttonTwoAttach.gameObject.SetActive(state);

        if (!state)
        {
            SetFlashRendererState(SDK_BaseController.ButtonTypes.Trigger, state);
            SetFlashRendererState(SDK_BaseController.ButtonTypes.Grip, state);
            SetFlashRendererState(SDK_BaseController.ButtonTypes.Touchpad, state);
            SetFlashRendererState(SDK_BaseController.ButtonTypes.ButtonTwo, state);
        }
        else
        {
            SetFlashRendererState(SDK_BaseController.ButtonTypes.Trigger, flash);
            SetFlashRendererState(SDK_BaseController.ButtonTypes.Grip, flash);
            SetFlashRendererState(SDK_BaseController.ButtonTypes.Touchpad, flash);
            SetFlashRendererState(SDK_BaseController.ButtonTypes.ButtonTwo, flash);
        }
    }


    public enum HandleInfo
    {
        body,
        button,
        lgrip,
        rgrip,
        sys_button,
        trackpad,
        trigger
    }
    public Material controllerMaterial;
    public Color flashColor = new Color(1.0f, 0.557f, 0.0f);

    public void InitRenderer()
    {
        if (renderers.Count > 0) { return; }

        AddRenderers(SDK_BaseController.ButtonTypes.Grip, HandleInfo.lgrip);
        AddRenderers(SDK_BaseController.ButtonTypes.Trigger, HandleInfo.trigger);
        AddRenderers(SDK_BaseController.ButtonTypes.Touchpad, HandleInfo.trackpad);
        AddRenderers(SDK_BaseController.ButtonTypes.ButtonTwo, HandleInfo.button);
    }

    public void AddRenderers(SDK_BaseController.ButtonTypes _buttonType, HandleInfo _handleInf)
    {
        if (!renderers.ContainsKey(_buttonType) && handModel.Find(_handleInf.ToString()) != null)
        {
            if (handleMaterial == null)
            {
                handleMaterial = handModel.Find(_handleInf.ToString()).GetComponent<MeshRenderer>().material;
            }
            renderers.Add(_buttonType, handModel.Find(_handleInf.ToString()).GetComponent<MeshRenderer>());
            //SetMaterial(renderers[_buttonType], controllerMaterial);
        }
    }
    public void SetMaterial(MeshRenderer _meshRenderer, Material mat)
    {
        Texture mainTexture = _meshRenderer.material.mainTexture;
        _meshRenderer.material = mat;
        _meshRenderer.material.mainTexture = mainTexture;
        _meshRenderer.material.renderQueue = mat.shader.renderQueue;
        //_meshRenderer.material.SetOverrideTag()

    }

    public void SetFlashRendererState(SDK_BaseController.ButtonTypes btnType, bool state)
    {
        if (state)
        {
            if (renderers.Count == 0) return;

            if (!flashingRenderers.Contains(renderers[btnType]))
            {
                renderers[btnType].material = controllerMaterial;

                flashingRenderers.Add(renderers[btnType]);
            }
        }
        else
        {
            if (renderers.Count == 0) return;

            if (flashingRenderers.Contains(renderers[btnType]))
            {
                renderers[btnType].material = handleMaterial;

                flashingRenderers.Remove(renderers[btnType]);
            }

        }
    }


    private void Update()
    {
        if (flashingRenderers.Count > 0)
        {
            Color baseColor = controllerMaterial.GetColor(colorID);

            float flash = (Time.realtimeSinceStartup - startTime) * Mathf.PI * 2.0f;
            flash = Mathf.Cos(flash);
            flash = RemapNumberClamped(flash, -1.0f, 1.0f, 0.0f, 1.0f);

            float ticks = (Time.realtimeSinceStartup - startTime);
            if (ticks - tickCount > 1.0f)
            {
                tickCount += 1.0f;
            }

            for (int i = 0; i < flashingRenderers.Count; i++)
            {
                Renderer r = flashingRenderers[i];
                r.material.SetColor(colorID, Color.Lerp(baseColor, flashColor, flash));
            }
        }
    }

    public float RemapNumber(float num, float low1, float high1, float low2, float high2)
    {
        return low2 + (num - low1) * (high2 - low2) / (high1 - low1);
    }
    public float RemapNumberClamped(float num, float low1, float high1, float low2, float high2)
    {
        return Mathf.Clamp(RemapNumber(num, low1, high1, low2, high2), Mathf.Min(low2, high2), Mathf.Max(low2, high2));
    }
}