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;
    //public CurrentLevel currentLevel = CurrentLevel.ProvincialCapital;
    /// <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 GameObject provincialCapital;
    /// <summary>
    /// 城市
    /// </summary>
    public GameObject[] citys;
    public List<Transform> logicViewList = new List<Transform>();
    // Start is called before the first frame update
    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.onMax += Reduce;
        cameraRt.onMin += Amplify;
        SwitchLand();
    }
    public void GotoView(string viewName, float _distance)
    {
        Transform viewTarget = logicViewList.Find(x => x.name == viewName);

        cameraRt.SetTarget(viewTarget, _distance);

    }

    /// <summary>
    /// 展示地标
    /// </summary>
    /// <param name="land"></param>
    public void ShowLandMark(GameObject land)
    {
        currentLand = land;
        //currentLand.GetComponent<MeshRenderer>().materials[1].SetColor("_BaseCol", select.GetColor("_BaseCol"));
        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);
    }
    /// <summary>
    /// 关闭地标
    /// </summary>
    public void CloseLandMark()
    {
        landMarkAndInfoCotroller.gameObject.SetActive(false);
        if (currentLand != null)
        {
            //currentLand.GetComponent<MeshRenderer>().materials[1].SetColor("_BaseCol", mat.GetColor("_BaseCol"));
            currentLand.GetComponent<MeshRenderer>().materials = mat;
            currentLand = null;
        }
    }
    /// <summary>
    /// 放大
    /// </summary>
    public void Amplify()
    {
        if (currentLand == null) return;
        currentLevel++;
        if (currentLevel > 2)
        {
            currentLevel = 2;
        }
        SwitchLand();
    }
    /// <summary>
    /// 缩小
    /// </summary>
    public void Reduce()
    {
        //if (currentLand == null) return;
        currentLevel--;
        if (currentLevel < 0)
        {
            currentLevel = 0;
        }
        SwitchLand();
    }

    public void SwitchLand()
    {

        switch (currentLevel)
        {
            case 0:
                Transform viewTarget = logicViewList.Find(x => x.name == "省会视角");
                cameraRt.SetTarget(viewTarget, 50, 120, 65);
                for (int i = 0; i < citys.Length; i++)
                {
                    citys[i].SetActive(false);
                }
                FadeOrUnFade(false);
                break;
            case 1:
                cameraRt.SetTarget(currentLand.transform, 20, 100, 90);
                for (int i = 0; i < citys.Length; i++)
                {
                    citys[i].SetActive(false);
                    if (citys[i].name.Equals(currentLand.name))
                        citys[i].SetActive(true);
                }
                FadeOrUnFade(true);
                break;
            case 2:

                break;
        }
        CloseLandMark();
    }

    private void FadeOrUnFade(bool isCity)
    {
        for (int i = 0; i < provincialCapital.transform.childCount; i++)
        {
            MeshRenderer mesh = provincialCapital.transform.GetChild(i).GetComponent<MeshRenderer>();
            if (!isCity)
            {
                mesh.GetComponent<FadeController>().OnFadeUnFade(false);
                mesh.materials = mat;
                mesh.GetComponent<Collider>().enabled = true;
                //provincialCapital.SetActive(false);
            }
            else
            {
                mesh.GetComponent<Collider>().enabled = false;
                mesh.materials = opacity;
                mesh.GetComponent<FadeController>().OnFadeUnFade(true);
                provincialCapital.SetActive(true);
            }
        }

    }

}