using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.EventSystems;
using SC.XR.Unity.Module_Tooltip;
using System;

[AddComponentMenu("SDK/TooltipControl")]
[RequireComponent(typeof(BoxCollider))]
public class Modules_TooltipCtrl : MonoBehaviour, IPointerHandler
{
    public enum TooltipShowTrigger
    {
        NULL,
        AlwaysShow,
        OnPointerClick,
        OnPointerEnter,
        OnDrag
    }
    [SerializeField]
    public List<TooltipList> tooltipList = new List<TooltipList>();
    private List<GameObject> tooltip_AlwaysShow;
    private List<GameObject> tooltip_OnPointerClick;
    private List<GameObject> tooltip_OnPointerEnter;
    private List<GameObject> tooltip_OnDrag;
    private bool state_click;
    private bool state_drag;
    private void Start()
    {
        ResetTooltipList();
    }
    private void ResetTooltipList()
    {
        tooltip_AlwaysShow = new List<GameObject>();
        tooltip_OnPointerClick = new List<GameObject>();
        tooltip_OnPointerEnter = new List<GameObject>();
        tooltip_OnDrag = new List<GameObject>();
        state_click = false;
        state_drag = false;
        if (tooltipList.Count != 0)
        {
            //向各列表中添加GameObject，同时根据类型设置Active
            for (int i = 0; i < tooltipList.Count; i++)
            {
                switch (tooltipList[i].trigger)
                {
                    case TooltipShowTrigger.AlwaysShow:
                        tooltip_AlwaysShow.Add(tooltipList[i].tooltip);
                        tooltipList[i].tooltip.SetActive(true);
                        break;
                    case TooltipShowTrigger.OnPointerClick:
                        tooltip_OnPointerClick.Add(tooltipList[i].tooltip);
                        tooltipList[i].tooltip.SetActive(false);
                        break;
                    case TooltipShowTrigger.OnPointerEnter:
                        tooltip_OnPointerEnter.Add(tooltipList[i].tooltip);
                        tooltipList[i].tooltip.SetActive(false);
                        break;
                    case TooltipShowTrigger.OnDrag:
                        tooltip_OnDrag.Add(tooltipList[i].tooltip);
                        tooltipList[i].tooltip.SetActive(false);
                        break;
                    default:
                        break;
                }
            }
        }
        else
        {
            return;
        }
    }
    public GameObject InstantiateNewTooltip(GameObject tooltip)
    {
        Vector3 location = transform.position;
        location.y += transform.lossyScale.y / 2 + 0.1f;
        int count = tooltipList.Count;
        tooltip = Instantiate(tooltip, location, transform.rotation, transform);
        Vector3 scale = new Vector3(1 / transform.lossyScale.x, 1 / transform.lossyScale.y, 1 / transform.lossyScale.z);
        tooltip.transform.localScale = scale;
        tooltip.name = "Tooltip_" + count;
        return tooltip;
    }
    void IPointerEnterHandler.OnPointerEnter(PointerEventData eventData)
    {
        //throw new System.NotImplementedException();
        for (int i = 0; i < tooltip_OnPointerEnter.Count; i++)
        {
            tooltip_OnPointerEnter[i].SetActive(true);
        }
    }

    void IPointerExitHandler.OnPointerExit(PointerEventData eventData)
    {
        //throw new System.NotImplementedException();
        for (int i = 0; i < tooltip_OnPointerEnter.Count; i++)
        {
            tooltip_OnPointerEnter[i].SetActive(false);
        }
    }

    void IPointerDownHandler.OnPointerDown(PointerEventData eventData)
    {
        //throw new System.NotImplementedException();
        if (!state_drag)
        {
            for (int i = 0; i < tooltip_OnDrag.Count; i++)
            {
                tooltip_OnDrag[i].SetActive(true);
            }
            state_drag = !state_drag;
        }
    }

    void IPointerClickHandler.OnPointerClick(PointerEventData eventData)
    {
        if (state_click)
        {
            for (int i = 0; i < tooltip_OnPointerClick.Count; i++)
            {
                tooltip_OnPointerClick[i].SetActive(false);
            }
            state_click = !state_click;
        }
        else
        {
            for (int i = 0; i < tooltip_OnPointerClick.Count; i++)
            {
                tooltip_OnPointerClick[i].SetActive(true);
            }
            state_click = !state_click;
        }
        //throw new System.NotImplementedException();
    }

    void IPointerUpHandler.OnPointerUp(PointerEventData eventData)
    {
        //throw new System.NotImplementedException();
        if (state_drag)
        {
            for (int i = 0; i < tooltip_OnDrag.Count; i++)
            {
                tooltip_OnDrag[i].SetActive(false);
            }
            state_drag = !state_drag;
        }
    }

    void IDragHandler.OnDrag(PointerEventData eventData)
    {
        //throw new System.NotImplementedException();
    }

    public TooltipShowTrigger API_GetTooltipShowTrigger(GameObject gameObject)
    {
        for (int i = 0; i < tooltipList.Count; i++)
        {
            if (tooltipList[i].tooltip == gameObject)
            {
                return tooltipList[i].trigger;
            }
        }
        Debug.Log("Unable to find the tooltip!");
        return 0;
    }

    public void API_SetTooltipShowTrigger(GameObject gameObject, TooltipShowTrigger trigger)
    {
        for (int i = 0; i < tooltipList.Count; i++)
        {
            if (tooltipList[i].tooltip == gameObject)
            {
                tooltipList[i].trigger = trigger;
                ResetTooltipList();
                return;
            }
        }
        Debug.Log("Unable to find the tooltip!");
    }
    public GameObject API_AddNewTooltip(TooltipShowTrigger showTrigger, string text)
    {
        TooltipList newtooltip = new TooltipList();
        GameObject tooltip = Resources.Load<GameObject>("Prefabs/Tooltip");
        newtooltip.tooltip = InstantiateNewTooltip(tooltip);
        newtooltip.tooltip.GetComponent<Modules_TooltipUI>().API_SetLableText(text);
        newtooltip.trigger = showTrigger;
        tooltipList.Add(newtooltip);
        ResetTooltipList();
        return newtooltip.tooltip;
    }
    public void API_DelTooltip(GameObject tooltip)
    {
        for (int i = 0; i < tooltipList.Count; i++)
        {
            if (tooltipList[i].tooltip == tooltip)
            {
                tooltipList.Remove(tooltipList[i]);
                Destroy(tooltip);
                ResetTooltipList();
                return;
            }
        }
        Debug.Log("Unable to find the tooltip!");
    }
}

[System.Serializable]
public class TooltipList
{
    [SerializeField]
    public GameObject tooltip;
    [SerializeField]
    public Modules_TooltipCtrl.TooltipShowTrigger trigger;
}