using DG.Tweening;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;

public enum CurrentLevel
{
    /// <summary>
    /// 省会
    /// </summary>
    ProvincialCapital,
    /// <summary>
    /// 城市
    /// </summary>
    City,
    /// <summary>
    /// 区
    /// </summary>
    Area
}

public class Bootstrap : MonoSingleton<Bootstrap>
{
    public LandMarksAndInfoController landMarkAndInfoCotroller;
    /// <summary>
    /// 0  省会  1 城市  2 区县
    /// </summary>
    public int currentLevel = 0;

    public List<string> landMarks;
    /// <summary>
    /// 透明
    /// </summary>
    public Material[] opacity;
    /// <summary>
    /// 选中
    /// </summary>
    public Material[] select;
    /// <summary>
    /// 默认
    /// </summary>
    public Material[] mat;
    /// <summary>
    /// 当前选中板块
    /// </summary>
    //[HideInInspector]
    public GameObject currentLand;

    public CameraRT cameraRt;
    /// <summary>
    /// 省会
    /// </summary>
    public Transform provincialCapital;
    /// <summary>
    /// 城市
    /// </summary>
    public Transform cityParents;
    /// <summary>
    /// 县级区域
    /// </summary>
    public Transform areaParents;

    private Transform lastCity;

    private GameObject currentArea;
    /// <summary>
    /// 城市
    /// </summary>
    //public GameObject[] citys;


    private Dictionary<Transform, Tween> _fadeTweens = new Dictionary<Transform, Tween>();

    void Start()
    {

        landMarks = new List<string> { "网络负荷：49.84 kw", "上网负荷：49.84 kw", "削峰负荷：49.84 kw", "填谷负荷：49.84 kw", "发电负荷：49.84 kw" };
        landMarkAndInfoCotroller.gameObject.SetActive(false);
        cameraRt.OnLimitScroll += SwitchLand;

    }


    /// <summary>
    /// 展示地标
    /// </summary>
    /// <param name="land"></param>
    public void ShowLandMark(GameObject land)
    {
        currentLand = land;
        currentLand.GetComponent<MeshRenderer>().materials = select;
        landMarkAndInfoCotroller.gameObject.SetActive(true);
        Vector3 worldToScreenPoint = Camera.main.WorldToScreenPoint(new Vector3(currentLand.transform.position.x, currentLand.transform.position.y, currentLand.transform.position.z));
        landMarkAndInfoCotroller.GetComponent<RectTransform>().position = new Vector3(worldToScreenPoint.x, worldToScreenPoint.y, 0);
        landMarkAndInfoCotroller.SetMarksInfo(currentLand.name, landMarks);
        SwitchLevel(-1);
    }
    /// <summary>
    /// 关闭地标
    /// </summary>
    public void CloseLandMark()
    {
        landMarkAndInfoCotroller.gameObject.SetActive(false);
        if (currentLand != null)
        {
            currentLand.GetComponent<MeshRenderer>().materials = mat;
            currentLand = null;
        }
        SwitchLevel(currentLevel);
    }


    /// <summary>
    /// 2  省会  1 城市  0 区县
    /// </summary>
    public void SwitchLand(int _currentLevel)
    {
        if (currentLand == null) return;
        landMarkAndInfoCotroller.gameObject.SetActive(false);
        currentLevel = _currentLevel;
        switch (currentLevel)
        {
            case 2:
                Debug.Log("省会");
                for (int i = 0; i < cityParents.childCount; i++)
                {
                    cityParents.GetChild(i).gameObject.SetActive(false);
                }
                lastCity = null;
                SwitchMatShow(provincialCapital);
                break;
            case 1:
                Debug.Log("城市");
                if (lastCity)
                {
                    if (currentArea != null)
                        currentArea.SetActive(false);
                    SwitchMatShow(lastCity);
                    lastCity = null;
                }
                else
                {
                    for (int i = 0; i < cityParents.childCount; i++)
                    {
                        var child = cityParents.GetChild(i).gameObject;
                        child.SetActive(child.name == currentLand.name);
                    }
                    SwitchMatHide(provincialCapital);
                }
                break;
            case 0:
                lastCity = currentLand.transform.parent;
                SwitchMatHide(lastCity);
                for (int i = 0; i < areaParents.childCount; i++)
                {
                    var child = areaParents.GetChild(i).gameObject;
                    child.SetActive(child.name == currentLand.name);
                    if (child.activeSelf)
                    {
                        currentArea = child;
                    }
                }
                Debug.Log("区县");
                break;
        }
    }



    public void SwitchMatShow(Transform parent)
    {
        if (_fadeTweens.TryGetValue(parent, out var tween))
        {
            tween.Kill(true);
            _fadeTweens.Remove(parent);
        }
        //bool isChange = true;
        var renderers = parent.GetComponentsInChildren<MeshRenderer>();
        List<Material> currentMaters = new List<Material>();
        for (int i = 0; i < renderers.Length; i++)
        {
            for (int j = 0; j < renderers[i].materials.Length; j++)
            {
                currentMaters.Add(renderers[i].materials[j]);
            }
        }
        tween = DOVirtual.Float(1, 0, 0.5f, t =>
         {
             for (int i = 0; i < currentMaters.Count; i++)
             {
                 currentMaters[i].SetFloat("_Opacity", t);
             }

         }).OnComplete(() =>
         {
             for (int i = 0; i < renderers.Length; i++)
             {
                 renderers[i].GetComponent<Collider>().enabled = true;
                 renderers[i].materials = mat;
             }
             _fadeTweens.Remove(parent);
         });
        _fadeTweens.Add(parent, tween);

    }

    private void SwitchMatHide(Transform parent)
    {
        if (_fadeTweens.TryGetValue(parent, out var tween))
        {
            tween.Kill(true);
            _fadeTweens.Remove(parent);
        }
        var renderers = parent.GetComponentsInChildren<MeshRenderer>();
        for (int i = 0; i < renderers.Length; i++)
        {
            renderers[i].GetComponent<Collider>().enabled = false;
            renderers[i].materials = opacity;
        }
        List<Material> currentMaters = new List<Material>();
        for (int i = 0; i < renderers.Length; i++)
        {
            for (int j = 0; j < renderers[i].materials.Length; j++)
            {
                currentMaters.Add(renderers[i].materials[j]);
            }
        }
        tween = DOVirtual.Float(0, 1, 0.5f, t =>
         {
             for (int i = 0; i < currentMaters.Count; i++)
             {
                 currentMaters[i].SetFloat("_Opacity", t);
             }

         }).OnComplete(() =>
         {
             _fadeTweens.Remove(parent);
         });

        _fadeTweens.Add(parent, tween);
    }
    private void SwitchLevel(int currentLevel)
    {
        switch (currentLevel)
        {
            case -1:
                cameraRt.SetMaxMinDistance(10f, 120f);
                break;
            case 0:
                cameraRt.SetMaxMinDistance(10f, 20f);
                break;
            case 1:
                cameraRt.SetMaxMinDistance(30f, 60f);
                break;
            case 2:
                cameraRt.SetMaxMinDistance(70f, 120f);
                break;

        }
    }


}